Gecode::Support::BlockAllocator< T, A, blocksize > Class Template Reference
[Support algorithms and datastructures]
Manage memory organized into block lists (allocator). More...
#include <block-allocator.hpp>
Public Member Functions | |
| BlockAllocator (A &a) | |
| Initialize. | |
| ~BlockAllocator (void) | |
| Free all allocated blocks. | |
| A & | allocator (void) |
| Return allocator used. | |
| T * | operator() (void) |
| Return memory of size required by T. | |
| size_t | size (void) const |
| Return size of memory required by allocator. |
Detailed Description
template<class T, class A, int blocksize = 512>
class Gecode::Support::BlockAllocator< T, A, blocksize >
Manage memory organized into block lists (allocator).
The allocation policy is to free all memory allocated when the block allocator is deleted.
Definition at line 45 of file block-allocator.hpp.
Constructor & Destructor Documentation
template<class T , class A, int blocksize>
| Gecode::Support::BlockAllocator< T, A, blocksize >::BlockAllocator | ( | A & | a | ) | [inline] |
Initialize.
Definition at line 98 of file block-allocator.hpp.
template<class T , class A , int blocksize>
| Gecode::Support::BlockAllocator< T, A, blocksize >::~BlockAllocator | ( | void | ) | [inline] |
Free all allocated blocks.
Definition at line 107 of file block-allocator.hpp.
Member Function Documentation
template<class T , class A , int blocksize>
| A & Gecode::Support::BlockAllocator< T, A, blocksize >::allocator | ( | void | ) | [inline] |
Return allocator used.
Definition at line 116 of file block-allocator.hpp.
template<class T , class A , int blocksize>
| T * Gecode::Support::BlockAllocator< T, A, blocksize >::operator() | ( | void | ) | [inline] |
Return memory of size required by T.
Definition at line 122 of file block-allocator.hpp.
template<class T , class A , int blocksize>
| size_t Gecode::Support::BlockAllocator< T, A, blocksize >::size | ( | void | ) | const [inline] |
Return size of memory required by allocator.
Definition at line 141 of file block-allocator.hpp.
The documentation for this class was generated from the following file:
- gecode/support/block-allocator.hpp


Class: UI::Command
| Relationships | |
| Inherits: | Object |
Overview
The Command class is the preferred class for adding tools to the menus and Ruby toolbars. For example, you could add a menu item and pass it a code block directly, or you could first create a Command
.
Using Commands gives you greater control over how the item works in the ::UI
, and it allows multiple spots in the ::UI
to call the same code. For example, You might want a toolbar button and a context-click menu item to both point to the same command, and to control the tooltip and its “graying” from a single spot in your code.
Class Method Summary
-
.new(menutext) { ... } ⇒ UI::Command
constructor
The new method is used to create a new command.
Instance Attribute Summary
-
#extension ⇒ SketchupExtension?
rw
The #extension method returns the command’s associated extension.
-
#extension=(extension)
rw
The #extension= method explicitly sets the command’s associated extension.
-
#large_icon ⇒ String
rw
The large_icon method returns the icon file for the command’s large icon.
-
#large_icon=(path) ⇒ String
rw
The large_icon= method is used to identify the icon file for the command’s large icon.
-
#menu_text ⇒ String
rw
The menu_text method returns the menu item name for the command.
-
#menu_text=(menuitem) ⇒ String
rw
The menu_text= method is used to set the menu item name for the command.
-
#small_icon ⇒ String
rw
The small_icon method returns the icon file for the command’s small icon.
-
#small_icon=(path) ⇒ String
rw
The small_icon= method is used to identify the icon file for the command’s small icon.
-
#status_bar_text ⇒ String
rw
The status_bar_text method returns the status bar text for the command.
-
#status_bar_text=(text) ⇒ String
rw
The status_bar_text= method is used to set the status bar text for the command.
-
#tooltip ⇒ String
rw
The tooltip method returns command item’s tooltip text.
-
#tooltip=(text) ⇒ String
rw
The #tooltip= method is used to define a command item’s tooltip header.
Instance Method Summary
-
#get_validation_proc ⇒ Proc?
The #get_validation_proc method returns the command’s validation proc.
-
#proc ⇒ Proc
The #proc method returns the command’s proc that is called when the command is invoked.
-
#set_validation_proc { ... } ⇒ UI::Command
The #set_validation_proc method allows you to change whether the command is enabled, checked, etc.
Constructor Details
.new(menutext) { ... } ⇒ Command
Prior to SketchUp 2019 it was not possible to sub-class Command
due to a bug in how SketchUp initialized the class.
The new method is used to create a new command.
Instance Attribute Details
#extension ⇒ SketchupExtension? (rw)
This is an advanced feature that extension developers normally won’t have to deal with. It’s purpose is to address scenarios when SketchUp isn’t able to automatically infer which extension the command belongs to.
The #extension
method returns the command’s associated extension.
#extension=(extension) (rw)
This is an advanced feature that extension developers normally won’t have to deal with. It’s purpose is to address scenarios when SketchUp isn’t able to automatically infer which extension the command belongs to. These scenarios are for example an extension using a library to add its commands or command manager extensions.
The #extension=
method explicitly sets the command’s associated extension.
#large_icon ⇒ String (rw)
The large_icon method returns the icon file for the command’s large icon.
#large_icon=(path) ⇒ String (rw)
The large_icon= method is used to identify the icon file for the command’s large icon. large icons should be 32x32 pixel images for best display quality.
Since SketchUp 2016 it is possible to provide vector images for the command. SVG format for Windows and PDF format for OS X. Since the vector images scale for both small and large icon sizes, you may choose to use only one vector image for both variants.
#small_icon ⇒ String (rw)
The small_icon method returns the icon file for the command’s small icon.
#small_icon=(path) ⇒ String (rw)
The small_icon= method is used to identify the icon file for the command’s small icon. Small icons should be 24x24 pixel images for best display quality.
Since SketchUp 2016 it is possible to provide vector images for the cursors. SVG format for Windows and PDF format for OS X. Since the vector images scale for both small and large icon sizes, you may choose to use only one vector image for both variants.
#status_bar_text ⇒ String (rw)
The status_bar_text method returns the status bar text for the command.
#status_bar_text=(text) ⇒ String (rw)
The status_bar_text= method is used to set the status bar text for the command. This should be a description what the command does.
#tooltip ⇒ String (rw)
The tooltip method returns command item’s tooltip text.
#tooltip=(text) ⇒ String (rw)
The tooltip text should repeat the commands’ title text. For the command description, use #status_bar_text.
The #tooltip=
method is used to define a command item’s tooltip header. Tooltips will appear when the command is attached to a tool bar and the user hovers their cursor over the icon.
Instance Method Details
#get_validation_proc ⇒ Proc
?
The #get_validation_proc
method returns the command’s validation proc.
#proc ⇒ Proc
The #proc
method returns the command’s proc that is called when the command is invoked.
#set_validation_proc { ... } ⇒ Command
Avoid disabling an command as it often isn’t obvious to the user why it is disabled. Prefer keeping the command enabled but show an error message if pressed when it cannot be used.
The #set_validation_proc
method allows you to change whether the command is enabled, checked, etc. For instance, the command toggling a dialog window may be displayed as checked while the dialog is open.


Responsible for leading software engineering teams for successful delivery of Quality products. Experience in delivering complex applications. Owning the complete software lifecycle from development to devops. Also served as the production delivery lead supporting complex provider domain systems. Owning the stability and reliability of large complex applications of the provider domain. Managing production troubleshooting activities including production incidents and war rooms(priority 1 and 2 incidents). Leading the development of automation and scripts to develop production environments. Leading the initiative to increase the monitoring capabilities making a huge impact on reducing mean time to detect and mean time to restore. Improved faster incident resolutions, better communication during war rooms, Increased application performance and Efficiency Specialties: Product Increments, Process Improvements, Agile methodology, Product increment planning, Github, jenkins, Splunk, new relic, Quality Control, Quality Assurance, QA planning, Product testing, QA scrums, Estimations, Web service Testing using Soap UI and Soap UI Pro, Load runner with Web and Tru Client Protocol. Also worked on Visual studio automation tool with coded UI tests and UI libraries.
Responsible for leading software engineering teams for successful delivery of Quality products. Owning the complete software lifecycle from development to devops. Service level owner lead for multiple critical services/ applications under provider domain. Specialties: Process Improvements, Agile methodology, Product increment planning, Github, jenkins, Splunk, new relic, Quality Control, Quality Assurance, QA planning, Product testing, QA scrums, Prioritizing QA task, Estimations,Web service Testing using Soap UI and Soap UI Pro, Load runner with Web and Tru Client Protocol. Also worked on Visual studio automation tool with coded UI tests and UI libraries.
Worked as the Production Delivery lead supporting critical provider applications. Responsible for the stability and reliability of large complex applications of the provider domain. Managing production troubleshooting activities including production incidents and war rooms(priority 1 and 2 incidents). Leading the development of automation and scripts to develop production environments. Leading the initiative to increase the monitoring capabilities making a huge impact on reducing mean time to detect and mean time to restore. Improved faster incident resolutions, better communication during war rooms, Increased application performance and Efficiency.
Leading quality engineer supporting automation/Attd in a fast paced agile environment. Leading test team onshore offshore model to deliver agile products for provider touch point program. Focussing on resource management, planning, estimations, escalations of issues, status reporting, monitoring and controlling for quaterly releases in Agile Methodology. Webdriver IO automation/Jasmine frame work API automation using Spock framework API monitoring using new relic synthetics Geb automation framework Eclipse/Intelli j/Sublime Codehub Java script/gherkins Feature files Jenkins integration Saucelabs integration Jmeter/Blazemete
Leading quality engineer supporting automation/Attd in a fast paced agile environment.
Worked as a Quality engineer in a enterprise quality assurance team. Responsible for the quality of the products. Worked on the automation of the test cases to increase the automation coverage.
Emphasizes on making the students understand the structural and functional basis of the universe. The program aims to launch students to higher learning in physical, mathematical and chemical sciences and contribute to the welfare of the society. It is designed to help the students to understand the importance of chemicals, chemical industries and the role of these in improving the quality of human life. It also helps the students to recognize and appreciate the contribution of great scientists in the field of physics, chemistry and mathematics.
With COVID-19 being a universal struggle at this very moment, the absence of credible and consistent information surrounding COVID-19 is a major source of anxiety for several people worldwide. It is important that there are tools available to keep track of its spread, both locally and abroad. This motivated us to develop an application that tracked COVID-19 statistics not because of its challenging nature, but because of its timeliness as a humanitarian issue and the opportunity to utilize varying technologies we have learned in class in such a way that would prove our choice useful as a tool to monitor the spread of the disease.
View ProjectFamilies and individuals often find themselves bringing home food and household items from stores they already have plenty of in stock An application to track all items present within the home and share with users would help save money and keep house stocked with inventory The added functionality of creating and managing multiple shopping lists which can be assigned to users
View ProjectThis is a simple java script application that provides the ability to search for a city in united states and view its most current weather. It also displays the user the 5 day forecast for the searched city.
View ProjectThis is a simple java script quiz given in a game format. Helpul for new commers in the coding world to test their java script skills.
View ProjectThis is a simple daily work planner that can be used to set you appointments and meetings.
View ProjectThis is a simple node.js application that allows users to dynamically generate README files using command-line input.
View Project


usb4java is a Java library to access USB devices. It is based on the native libusb 1.0 library and uses Java NIO buffers for data exchange between libusb and Java. usb4java also supports the javax-usb standard (JSR-80) through the usb4java-javax extension.
Supported platforms are Linux (x86 32/64 bit, ARM 32/64 bit), OS X (x86 64 bit) and Windows (x86 32/64 bit). But other platforms may work as well (as long as they have at least Java 6 and are supported by libusb) by compiling the JNI library manually.
When you are using Maven then you can add the necessary dependencies like this:
<-- For using just usb4java without javax-usb --> <dependencies> <dependency> <groupId>org.usb4java</groupId> <artifactId>usb4java</artifactId> <version>1.3.0</version> </dependency> </dependencies> <-- For using usb4java with javax-usb --> <dependencies> <dependency> <groupId>org.usb4java</groupId> <artifactId>usb4java-javax</artifactId> <version>1.3.0</version> </dependency> </dependencies>
Copyright (C) 2011 Klaus Reimer<EMAIL_ADDRESS>Copyright (C) 2013 Luca Longinotti<EMAIL_ADDRESS>Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Read the quick start guide and the FAQ. There are also some low-level (libusb) examples and high-level (javax-usb) examples available.
For questions and discussions please use the usb4java mailing list (Google group). You can subscribe to it via email by sending a mail to<EMAIL_ADDRESS>If you have found a bug in the software or this web site (even if it's just a typo) then please create an issue on GitHub.


Goosechase is in Beta. Please have patience while we work hard to improve it.
For support, please contact us on Slack or email chasdevs@gmail.com.


Victoria’s Secret Fashion Show Is Officially Cancelled
by Brent FurdykThe Victoria’s Secret Angels won’t be flying down the runway this holiday season.
As Forbes reports, L Brands — corporate owner of the Victoria’s Secret lingerie brand — has announced there will be no Victoria’s Secret Fashion Show for the first time since 1995 when the show held its first edition.
According to L Brands, the decision to scrap this year’s show is part of a larger corporate strategy to “evolve the messaging of [the company].”
The announcement came during the company’s recent earnings call. “We will be communicating to customers, but nothing similar in magnitude to the fashion show,” said L Brands CFO Stuart Burgdoerfer, while the company’s quarterly report showed a 7 per-cent drop in sales for the brand.
L Brands’ decision comes as no surprise given the dismal ratings for last year’s show. As USA Today reported at the time, viewership of the 2018 edition of the Victoria’s Secret Fashion Show was the lowest ever, with just 3.27 million viewers tuning in.
While Burgdoerfer praised the show for being a “remarkable marketing achievement,” he added that the show itself didn’t represent any demonstrable increase in sales for the company.
“As timing over the years shifted over the years in terms of the airing the fashion show, did we see specific material impact in terms of a short-term sales response to the airing of the fashion show?” he said. “As a general matter, the answer to that question is no.”


Software Freedom Day-2016
September 30, 2016
Knowledge is something that can create and initiate a change. We, at Mozilla Tamilnadu strongly believe that our responsibility is very high in taking the knowledge about the Open source to the common people. We are tirelessly working for that too.
We were enthusiastically waiting for the Software Freedom Day, which is celebrated worldwide on third week of September, with a goal to increase awareness about the free software and its uses.
On September 17,We celebrated SFD @ Coimbatore City. We had a great day with two events happening simultaneously. Our two contributors Paratipa balaji and Prasanth were the organizers in their colleges, SNS College and Sri Krishna College of Engg & technology(SKCET) respectively at Coimbatore. A team of 4 Mozillians which included Khaleel, Viswaprasath, Vigneshwer and Karthickeyan joined the SFD celebration as the guest speakers. We had a forenoon session at SNS and a afternoon session in both SNS and SKCET.
Forenoon Session: With a warm welcome given by the management and students of SNS college, Everything was set on track by 9.30AM. We had a bunch of 40 + curious minds waiting to learn. As we had more non mozillians in the team of participants, the day began with the introductory session by the Mozillian rep Khaleel. It was a powerful beginning with the words of bharathiyar insisting about the power within oneself. This created a great momentum in the hall which had a distributed silence. Then the sessions were in a full swing. Our Mozillian Karthickeyan was handling a session about Mozilla Campus club program and a short demo to Webvr was also given to the students.
While these were going on in a view of making the session more practical, IoT Resources were set up in the laboratory by Vigneshwer and parallely, Firefox 50 nightly browser was downloaded in all the lab Computers by the SNS student volunteers and Viswaprasath.
Afternoon Session: During Afternoon we had two sessions one at SNS College and the other at SKCET College. Karthickeyan and Viswaprasath moved to SKCET College by afternoon.
In SNS, the afternoon session was focused on IoT which was handled by Vigneshwer. Later, the students started installing test pilot add-on and were exploring different features in it. Hands-on sessions on Webcompat and testing grabbed the attention of the participants.
In SKCET, we were having a agenda on starting a Mozilla Campus Club and we had team of 100+ Newbies waiting to join, so we felt that a session on the ways to improve ourselves through community would be the apt one to begin with. Hence, Mozillian rep Viswaprasath started the event by discussing on the topic, “How a community helped in personal growth”. He was leading the talk with his own life experience and that marked the basement in the hearts of blooming Mozillians. Following this we had the inauguration of Mozilla Campus Club and various ways to contribute in Mozilla community was discussed in the gathering by Mozillian Karthickeyan. Next, We had a hands on session on Test pilot installation and was followed by introduction to Webcompact by Mozillian rep Viswaprasath.Basic demo and introduction to WebVR was conducted as a group activity by Karthickeyan.
Through this event we were able to
- File 10+ webcompat bugs,
- Make 90+ nightly installation,
- Make 90+ test pilot add on installing,
- Achieve 500+ Mozillatn blog views in a day,
- Interact with 200+ participants.
We were happy to know that the students had a great day by attending this event and we would also like to acknowledge our special thanks to the management of both the colleges and the two amazing contributors who were working tirelessly working for the past 1 week to make it a grand success.
We had Mozcoffee after the event by 7pm in the evening. It was a meet to discuss and analyse the fruit of SFD 2016.
Hey just pass your eyes through the words of our Speakers ( Vigneshwer and Viswaprasath ) and our contributors( Prasanth and Gowtham Venkat ).


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---
layout: slides
title: 'Introduction to XMPP'
description: 'Brief intro to XMPP @ XMPPUK, Shoreditch Village Hall, December 2013'
theme: moon
---
(Brief) Introduction to XMPP
What is XMPP?
eXtensible Messaging and Presence Protocol
(aka Jabber)
Started around 1998
Became part of IETF in 2002
Lets go on a journey from 'P' back to 'X'...
Protocol
XMPP is a protocol
Set of standards so systems can talk to each other
Used all over the web but often unadvertised
XSF
The protocol (or standards) are looked after by the XSF
Extensions and changes are debated, discussed, + modified over before becoming standards
As a group we prefer "implementations"
Architecture
Server
Handles connections
(C2S, S2S, Component connections)
Federaton
Authentication
Clients
Thin clients, leave the work to the server
Connect over TCP/BOSH (Long polling)/WebSockets
Data is pushed to clients, clients push data
Components
Add features to XMPP server without modifying it
Run as a subdomin, e.g. component.example.org
Perform more advanced business logic in a component
Presence
Determine the state of an XMPP entity
Am I offline/online/busy ?
Tell the server I'm ready/done receiving messages
Addressing another entity... the JID
[user@] example.org [/mobile-phone]
- local: The user/device (i.e. client)
- domain: Server you are addressing
- resource: Multiple connections?
Priorities / Features
Give the server an idea of where you'd like data to go
Send additional data with your presence
What features your client supports
A status message
Can be overloaded with additional data (not recommended, we have PEP)
Stanza
<presence to="surevine.com"
<EMAIL_ADDRESS><show>chat</show>
<priority>-1</priority>
<status>Giving a talk</status>
</presence>
Messaging
Second of the three stanza types
(other being <iq/>)
Used to send messages between clients
Different types of chat messages + different payloads
Stanza
<message type="chat"
<EMAIL_ADDRESS><body>Hello Matt</body>
</message>
Messages sent to bare JID are routed by server (remember the priority "-1"?)
Messages sent to full JID go directly to that client
Different types, e.g. 'headline' broadcast to all connected clients
Stanza Extended
<message type="chat"
to="logger.server.org">
<data xmlns="MY-FORMAT-NS">
vgreg%G% B%$t54T%$gqfg4fgAEAE
F$£T B£%$BYQAgregOK OKo ===
</data>
</message>
Can perform discovery (DISCO) on receiver to see if they support required features
Extensibility
XML-based
Gives us extensibility
One of few systems which properly makes use of XMLNS
Ewww XML?!
Don't panic!
Big moves in the past 12 months to make XMPP more web-developer friendly
IQ
Third type of stanza
Equivalent to GET/POST in HTTP (GET/SET)
Always get a response (RESULT/ERROR)
<iq type="get"
to="logger.server.org">
<data xmlns="MY-FORMAT-NS"/>
</iq>
Extensions
In XMPP-land™ we call these XEPs
Over 300 in existence and more being added
Cover everything from including JSON payloads...
to compressing payloads for IoT usage
Which in a few minutes leads us on to...
Summary
XMPP is a powerful, proven, open, secure, standards-based protocol
Lots of servers/clients/libraries
(many open source)
Great helpful community, who are actively helping to push the web forward:
XMPP security days, WebRTC signalling over XMPP,
New IoT extensions,
Extensions to help accessibility
What next?
Plenty of XMPP people in the room from server developers to client builders, deploying in all kinds of environments
Questions
There's lots of XMPP people in the room so no rush!


Signing up for an account does not automatically start a membership at Bitraf. You do this by logging in and setting a credit card and membership level on the membership page which can be changed at any time.


I will ‘strongly consider’ testifying in impeachment probe, says Trump
by Agency ReportPresident Donald Trump on Monday said he is “strongly” considering answering a challenge from opposition Democrats to testify in his own impeachment investigation.
After the speaker of the lower house, Nancy Pelosi, upped the ante by suggesting that Trump come forward to tell the “truth,” the Republican president said he was keen.
Pelosi suggested “that I testify about the phoney Impeachment Witch Hunt. She also said I could do it in writing,” Trump tweeted.
“Even though I did nothing wrong, and don’t like giving credibility to this No Due Process Hoax, I like the idea & will, in order to get Congress focused again, strongly consider it!”
(AFP)


!= Include.js(['ui/js/GA']); ?> != Include.html(['ui/css/import_material']); ?> != Include.css(['ui/css/select2-materialize']); ?>
Note: New columns added after collection has started will not be populated with data. id_str is a required column and is added automatically
id_str
Note: Google Sheets currently has a 2 million cell limit. Enabling this option will batch export data. An email notifcation will be sent when data is exported. Only the archive sheet will be exported


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| {{promotion._id}} | {{promotion.name}} | {{promotion.category}} |
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#assign sponsors = "active">
Payment in €EUR Payment in $USD
We would like to thank the above sponsors for their support of the Ebean project.
Sponsorship is important for open source projects in that it enables the maintainers to better maintain the project with documentation, examples, bug fixes, enhancements and supporting users. To make a great library takes a lot of time and effort and our sponsors recognise this.
This funding directly contributes to the effort to make Ebean awesome.
These companies are sponsoring Ebean at:
If your company team would like to become a sponsor for Ebean then:
Send an email to<EMAIL_ADDRESS>letting me know that you are keen to become a sponsor of the Ebean project. Let me know your preferred currency and if that isn't Euros or USD the expected exchange rate.
For Premium sponsors we will send you an invoice for a year of sponsorship.
You can pay via PayPal / Credit card or pay direct. Sponsors to date have preferred to pay a single annual amount rather than a recurring monthly payment as this means there is only then a single payment for the accounting team to process.
We update the website and github pages with your corporate logo and url. Your company will get increased visibility to the development community with page impressions from both the ebean.io website and github project page.
Good things happen.
If you would like to contribute with a one off donation that would be great.
Silver sponsors are people or teams that donate $50 or more to the Ebean project.
Donations to the Ebean ORM project are greatly appreciated. These donations help fund ongoing maintenance, documentation and upkeep of the project.
Goto donation history to view a log of total donations.
Big thanks to Sean and Accolade from all the Ebean fans!!
Accolade.com hired the main contributor to Ebean (Rob Bygrave) full time for a year to develop many of the features in Ebean we now all enjoy. The ability to work full time on Ebean really helped push the Ebean project to another level that would otherwise have taken much longer to achieve.
The development of Query beans also started with the prompting of Evan at Accolade so an additional hat tip to Evan for that!!
A massive amount of work was done included the development of the following features:
Big thanks to Gustavo, Ivan and co at Wealth systems from all the Ebean fans!!
Wealth systems sponsored the development of Multi-tenancy support and Postgres GIS support. A couple of great features that many people are now enjoying.
Big thanks to Eddie and timerbee.de from all the Ebean fans!!
Imilia contributed the initial version of the Ebean Spring integration and sponsored the development of @DbEncrypt transparent encryption.
Eddie and Imilia.com are one of the earliest supporters and have been using Ebean since around 2008.


This is a website where my next flight information is shown as it would be in a Split-Flap display.
Enjoy!
Click here to see the Arrivals Information:
Click here to see the Departures Information
The project is hosted on Github at https://github.com/baspete/Split-Flap.


I recently completed a Front End Engineering program at the Iron Yard Academy in Durham, NC.
I am from Syracuse NY, home of the Syracuse Orange. I have a passion for technology and learning everything there is to learn about it. I have taken this passion to my new career as a Front End Enginner. I love being able to create website that make people's lives easier.
Projects coming soon
Contact Me


3 / 3:an Eye for an Eye
3 is a movie starring Todd Bruno, Aniela McGuinness, and Mike Stanley.


This Web MIDI application is normally tested in the latest stable versions of Firefox and Chrome on Windows 10.
Firefox requires the
Jazz plug-in to be installed.
Note that it is not possible to display or play scores unless a valid MIDI output device has been selected, but that
only hardware or software devices that involve installing a plugin are currently supported.
On Windows, the free Virtual MIDI Synth can be installed and used in both browsers.
In Firefox, which depends on the Jazz plugin, the Microsoft GS Wavetable Synth (part of the Windows operating system) is available.
Usage and further information...


| gdata.tlslite.VerifierDB | index /usr/local/google/home/afshar/src/external-gdata-release/google3/src/gdata/tlslite/VerifierDB.py |
Class for storing SRP password verifiers.
| Modules | ||||||
|
| Classes | ||||||||||
|
|
| Functions | ||
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| Data | ||
| cryptlibpyLoaded = False gmpyLoaded = False m2cryptoLoaded = False prngName = 'os.urandom' pycryptoLoaded = True sieve = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, ...] |


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Name of Scholarship
Due Date
Completed
Delete
Name of Scholarship
Due Date
Completed
Delete
Completed
Scholarship
Due Date
Gates Millineum
9/14/16
Eve
4/5/16
John
7/15?16
Example
xx/xx/xx
College
College
College
Requirements
Essay
Recommendation Letter
Transcript


Click a Smiley
This demonstrates propagation of events, and namespaces to add multiple listeners for an object


Web Design
Class Tuesday 8-10pm
Programming
This is an interesting class
Maths
This is an easy class


--- layout: default title: Green Systems ---
The Green Systems Element focuses on the design of buildings and infrastructure to improve resource efficiency and environmental protection.


Own Your Tomorrow.
Need a website?
Leave me your information, I'll be right back to you.
First Name
Last Name
Email
Anything you'd like to let me know..
Hover


Please choose a variable from the following options for the selected item format
${{'{'}}variable_name} will be inserted to your interface value


Creates an instance of ReportViewer.
An instance of the powerbi embed service wrapping the powerbi API.
An instance of the reports list service providing access tokens for the reports.
Emits a Report object when the report is successfully embeded.
Emits a Page object when the report page changes.
Gets the current report page.
Gets or sets the Id of the report
Gets or sets the Id of the report
Gets the index of the current page.
Gets the pages in the report.
Gets or sets the access token to use to render the report
Gets or sets the access token to use to render the report
Applies a filter to the report. See https://microsoft.github.io/PowerBI-JavaScript/interfaces/_src_ifilterable_.ifilterable.html#setfilters for more information
A filter object specifying the filter to apply.
that target (either page or report).
Clears the filters from a report. See https://microsoft.github.io/PowerBI-JavaScript/classes/_src_report_.report.html#removefilters and https://microsoft.github.io/PowerBI-JavaScript/classes/_src_page_.page.html#removefilters for more detail
Embeds a report into the target element.
Loads the report for the viewer.
Resets the component and removes the current report.
Updates the report settings. For a full list of configurable settings see the following wiki page https://github.com/Microsoft/PowerBI-JavaScript/wiki/Settings
The name of the setting to update.
The value for the setting.
Validates the required parameters.
Initializes the component. Part of the ng component lifecycle.
Frees up resources when component is destroyed. Part of the ng component lifecycle.
Generated using TypeDoc
Report Viewer component to display a powerbi report using the powerbi javascript api.
ReportViewer
AfterViewInit


Information Management
api
replication
caching
consistency
persistence
management
Information Retrieval
indexing
querying
suggestions
ranking
sorting
highlighting
Analyzing each document with a tokenizer to find the terms
Can be as simple as splitting on space
In order to increase index quality and compress it different techniques can be used
Stemming and lemmatization is the process of reducing words to their common form
Stoplist helps with ignoring very common words.
Lucene contains analyzers for different languages.
Finding documents that matches the query
Based on set theory it powers AND/OR/NOT queries and will approve all the documents whos indexes fullfills the predicate
Based on the index we want to be able to autocorrect
or suggest alternative query terms
croccodial => crocodile
Straightforward levehnstein can be a problem since it takes O(n*m) so with a really big index this can become expensive
Provides an O(n) time test with any string where n is the length of the query term
A finite state machine is constructed based on the query term and an edit distance and it's used to test other strings
Lucene uses a Levenshtein automata translated from a python implementation by one Jean-Philippe Barrette-LaPierre to Java because the Lucene committers originally didn't understand how it worked and couldn't get their own implementation working!
When we have found documents that matches the query we want to sort them by relevance
We represent both the document and the query as vectors
The angle between the two vectors is our similarity score and as it gets smaller the documents are more similar
We wish to weigh the documents such that we can represent them as vectors
Many different ways and variations to weighting exist
Term frequencies can be raw frequencies or boolean frequencies or augmented frequencies to prevent bias toward longer documents
Similar to the stoplist during analysis the inverse document frequency gives lower weight to terms that are very common in the document corpus.
Since we're using cosine the larger the similarity score the more relevant.
Lucene story about Levehnstein Automata


Saudi Aramco confirms to sell 0.5per cent to retail investors, lockup period for government
State-owned Saudi Aramco will sell 0.5per cent of its shares to individual shareholders and the government will have a lockup period of at least six months on further share sales after the initial public offering, its prospectus said on Saturday.
DUBAI: State-owned Saudi Aramco will sell 0.5per cent of its shares to individual shareholders and the government will have a lockup period of at least six months on further share sales after the initial public offering, its prospectus said on Saturday.
The over 600-page prospectus did not include details of how much of the company would be floated or any commitments from anchor investors.
Aramco fired the starting gun on the initial public offering (IPO) on Nov. 3 after a series of false starts. Crown Prince Mohammed bin Salman is seeking to raise billions of dollars to diversify the Saudi economy away from oil by investing in non-energy industries.
(Reporting by Saeed Azhar and Hadeel Al Sayegh; editing by Jonathan Oatis)


David Hockney art exhibition
The arrival of spring in woldgate
East Yorkshire in 2011
My Parents
1977 Oil on canvas, 72 x 72"
Portrait of an Artist (Pool With Two Figures)
1971 Private Collection
More Felled Trees on Woldgate
2008, Oil on canases
model with unfinished self portrait
1977
hollywood hills house
1980
Garden
2015
garden with blue terrace
2015
field with irises near arles
(1888), Vincent van Gogh. Van Gogh Museum
domestic scene
1963. Oil paint on canvas 1530 x 1530 mm
Christopher Isherwood and Don Bachardy
1968
A Bigger Splash 1967
Acrylic on canvas, 96 x 96”


note how you can choose the map features you want and color them accordingly.
you can hide and show features such as points of interest, businesses, color the sea green and the roads red.
{
featureType: 'water',
elementType: 'geometry.fill',
stylers: [{color: '#00ff00'}]
},
{
featureType: 'road.highway',
elementType: 'geometry',
stylers: [{color: '#ff0000'}]
},


The project was done based on the research done on different types of mangoes and how they can be found.
Mangoes are very intersting kinds of friuts and here you will find some pieces of information about them.
Sportshub is a website that gives an update on the current fixtures dated to take place withhin the next event days on differnt sports ground.
It covers mainly three diffrent sports discipline that is;football volleyball and basketball.
It is a site that tries to promote the local fanbase to grow.


|
Bitstream Interpretation Library (BIL)
0.1
|
Files | |
| file | CfgDecoder.cpp [code] |
| Contains definition of CfgDecoder class. | |
| file | CfgDecoder.hpp [code] |
| Contains declaration of CfgDecoder class. | |
| file | CfgPrint.cpp [code] |
| Contains functions for printing PIPs and primitive site configurations. | |
| file | CfgPrint.hpp [code] |
| Contains functions for printing PIPs and primitive site configurations. |


natasha bedinfield incompatible mp3 - Extensions
SOULMATE (TRADUÇÃO) - Natasha Bedingfield (letra e vídeo) Soulmate. Incompatible, it don't matter though . Composição: Natasha Bedingfield · Esse não é o compositor? . ?todas as letras de Natasha Bedingfield . http://letras.mus.br/natasha-bedingfield/966811/traducao.html
You can develop your own extensions
using the classification of sedimentary rocks.
Syntax-Highlighting Addons
Soulmate (song) - Wikipedia, the free encyclopedia Natasha Bedingfield European singles chronology . "Soulmate" is a pop song written and produced by Natasha Bedingfield, Mads Hauge and David Tench for . http://en.wikipedia.org/wiki/Soulmate_(song)
Natasha Bedingfield-Soulmate - YouTube Aug 7, 2007 . Natasha Bedingfield-Soulmate Incompatible, it don't matter though 'cos someone's bound to hear my cry Speak out if you do you're not easy to . http://www.youtube.com/watch?v=lZBytNF7TU0 in one installer (526 kb).
SOULMATE Lyrics NATASHA BEDINGFIELD - Mp3 Lyrics Lyrics to song Soulmate by Natasha Bedingfield:Incompatible, it don't matter though 'Cos someone's... http://www.mp3lyrics.org/n/natasha-bedingfield/soulmate/
INCOMPATIBLE Lyrics WIZ KHALIFA - Mp3 Lyrics If you like Incompatible lyrics by Wiz Khalifa you may also like the lyrics to these similar songs. English 57 LyricsNatasha Bedingfield Soulmate; English 32 . http://www.mp3lyrics.org/w/wiz-khalifa/incompatible/
NATASHA BEDINGFIELD - SOULMATE LYRICS These Soulmate lyrics are performed by Natasha Bedingfield Get the music video . Incompatible, it don't matter though 'Cause someone's bound to hear my cry . http://www.metrolyrics.com/soulmate-lyrics-natasha-bedingfield.html
A simple JavaScript Formatter (47kb)NATASHA BEDINGFIELD LYRICS - Soulmate Lyrics to "Soulmate" song by NATASHA BEDINGFIELD: Incompatible, it don't matter though 'cos someone's bound to hear my cry Speak out if . MP3 Email Print . http://www.azlyrics.com/lyrics/natashabedingfield/soulmate.html
Natasha Bedingfield - Soulmate Lyrics and MP3 Incompatible, it don't matter though 'Cause someone's bound to hear my cry Speak . CD Universe is your song lyrics and mp3 source for Natasha Bedingfield's . http://www.cduniverse.com/natasha-bedingfield-soulmate-lyrics-6305438.htm CertMaker for iOS and Android
Soulmate Natasha Bedingfield Lyrics & Listen Lyrics of Soulmate Natasha Bedingfield. Incompatible, it don't matter though ' cos someone's bound to hear my cry. Speak out if you do. You're not easy to find . http://videokeman.com/natasha-bedingfield/soulmate-natasha-bedingfield-2/
Windows 8 AppContainer Loopback Utility
Natasha bedingfield- Soulmate - YouTube Jul 3, 2007 . Lyrics vvv Incompatible, it don't matter though 'cos someone's bound . Natasha Bedingfield - Soulmate (Cover) Livia Börger by liviaboe 1,464 . http://www.youtube.com/watch?v=ZbITxYgtlAY Download
Now (60kb) or
to god or as god
Traffic Differ
in possible mp3 ??????? ????????? ? ??? ??????????? ?? Muzofon ... ???????: 46 mp3 ??????. ??? mp3 ????? ??????????? ?????? ? ????? . [03: 34]Natasha Bedingfield - Incompatible, it don't matter though 'cos someone's . http://muzofon.com/search/in%20possible Download now (47kb).
SAZ Clipboard
Paroles Soulmate Natasha Bedingfield lyrics Incompatible, it don't matter though / 'cos someone's bound to hear my cry / Speak out if you do / you're not easy to find / Is it possible Mr. Loveable / is already in . http://www.greatsong.net/PAROLES-NATASHA-BEDINGFIELD,SOULMATE,102586848.html
Gallery
The Gallery extension (50kb) Natasha Bedingfield Soulmate Listen and discover music at Last ... Watch the video & listen to Natasha Bedingfield Soulmate for free. . Buy on Amazon MP3 - $1.29 Amazon MP3 Expand . Incompatible, it don't matter though . http://www.last.fm/music/Natasha+Bedingfield/_/Soulmate
Natasha Bedingfield - News, Photos, Videos, Bio. Free ... - Free MP3 Get news updates, watch videos, listen to Natasha Bedingfield radio on MP3.com . Originally from New Zealand, Natasha Bedingfield grew up in southeast . http://mp3.com/artist/Natasha%2BBedingfield
AnyWHERE (sample)
The AnyWHERE extension (40kb) Natasha Bedingfield :: Soulmate Lyrics - Absolute Lyrics Soulmate - Natasha Bedingfield. Incompatible, it don't matter though 'cos someone's bound to . absolutelyrics.com. Soulmate - Natasha Bedingfield Buy MP3 . http://www.absolutelyrics.com/lyrics/view/natasha_bedingfield/soulmate
RulesTab (sample)
Soulmate » Natasha Bedingfield ????, Natasha ... - ????? Soulmate,Soulmate??,Natasha BedingfieldSoulmate,Soulmatemp3,Soulmate ??,Soulmate . incompatible,it don't matter though . Soulmate » Natasha Bedingfield ????, Natasha Bedingfield Soulmate mp3??,??- @???? ? . http://www.1ting.com/player/9b/player_151179.html
Privacy Scanner
The Privacy Scanner
(41kb) Wiz Khalifa - Wiz Khalifa - Incompatible: Free MP3 Download Fast download of "Wiz Khalifa Wiz Khalifa - Incompatible" . Natasha Bedingfield - These Words .mp3 · Umberto Tozzi - Gli altri siamo noi .mp3 · One Direction . http://beemp3.com/download.php?file=10478477&song=Wiz+Khalifa+-+Incompatible
Content-Blocking (sample)
The Content Blocker
sample (11kb) Degrassi - Television Tropes & Idioms They plan dances, fundraise and get Natasha Bedingfield to perform at prom. . Bland Name Product: Jimmy had a first-generation mp3 player. Top of . Incompatible Orientation: Ellie and Marco and later Hazel and Marco during season 2. http://tvtropes.org/pmwiki/pmwiki.php/Main/Degrassi
Image-Flipper (sample)
The Image
Flipper sample (6kb) SOULMATE - Natasha Bedingfield (letra e vídeo) Soulmate. Natasha Bedingfield. Incompatible, it don't matter though 'Cos someone's bound to hear my cry. Speak out if you do. You're not easy to find . http://letras.mus.br/natasha-bedingfield/966811/
3rd-Party Extensions
Vektor Music - YouTube Soulmate - Natasha Bedingfield (Cover) Vektormusic 9,734 views 9 months ago Get our CD! . Incompatible, it don't. . Download this and other covers in high quality 320K Mp3 format FREE: http://www.mediafire.com/?brxit237xvhc2,xicc8n. http://www.youtube.com/user/Vektormusic
Soulmate-Natasha Bedingfield-????mp3??-???? . ?????MV?????????Natasha Bedingfield????n.b.,???Soulmate Natasha Bedingfield Incompatible, it don't matter though 'cos someone... http://www.kuwo.cn/yinyue/239351/
neXpert Performance Report Generator
Learn English with Buleo - ESL Resources: May 2009 ... This printable worksheet contains the original lyrics of the song "Soulmate" by. Natasha Bedingfield as well as a small biography and some activities for the . http://www.learn-english-esl-resources.com/2009_05_01_archive.html
StresStimulus
Who Did Ray J Choose Timeline Apr 20, 2009. Stop the Music Natasha Bedingfield - Pocketful of Sunshine Chris Brown . to an incompatibility with the genetic alterations humans have undergone, . u to download the mp3 and peep the part when i rap about the iTunes . http://www.dipity.com/timeline/Who-Did-Ray-J-Choose/
Watcher - Passive Security Auditor
Flying With Da Fishes: March 2010 Mar 31, 2010 . MP3 Joell Ortiz - Project Boy (prod. DJ Premier). Posted by G. . Wiz Khalifa Ft. Natasha Bedingfield - "Incompatible". Posted by G. Ness at . http://www.flyingwithdafishes.com/2010_03_01_archive.html
??????????????????_????_???? 2012?5?12? . Ina wroldsen?????????Fall?????MP3????????21????? . Natasha bedingfield . Incompatible, it don t matter though . http://bbs.tianya.cn/post-music-210414-1.shtml
Ammonite - Security Scanner
????????????Natasha Bedingfield - Soulmate - ???? ????????????Natasha Bedingfield - Soulmate. . ???? MP3??. Update Required To play the . Bedingfield. Incompatible, it don't matter though . http://www.tingclass.net/show-210-126805-1.html
SOULMATE - Natasha Bedingfield (letra e vídeo) Soulmate. Natasha Bedingfield. Incompatible, it don't matter though 'Cos someone's bound to hear my cry. Speak out if you do. You're not easy to find . http://letras.mus.br/natasha-bedingfield/966811/
bed and breakfast for sale maui
x5s - Automated XSS Security Testing AssistantJune | 2008 | Irene Indah's Blog 27 Jun 2008. moment you are gone. Posted in Lyric Tagged Lyric, mp3, saybia, the day after tomorrow 1 Comment . Incompatible, it don't matter through 'Cause someone's . Download Natasha Bedingfield Soulmate. Posted in Lyric . http://ireneindah.net/?m=200806
- Detecting where safe encodings were not applied to emitted
user-inputs
- Detecting where Unicode character transformations might bypass
security filters
- Detecting where non-shortest UTF-8 encodings might bypass security
filters
nike air jordan retro 4
intruder21
Top 10 Hottest Free Ringtones of the week. Bruno Mars: Just The Way You Are; Natasha Bedingfield These Words; Paramore:Misery Business; Tetris: Tetris Theme; Miley Cyrus: Liberty Walks; Peter . http://www.liltone.com/ltpublicbeta/TopTones/tabid/106/Default.aspx
office of special counsel mspb
HTML Inspector
Que j'ai rêvé Nov 13, 2009. the new world but are too incompatible to do so, yet when they finally fall into . It goes out every Sunday with one mp3 of my choosing and one very short . Earworm builds with Natasha Bedingfield and Rihanna (who he . http://prekk.blogspot.com/
[?????]????? ??? [?????] the mixed tape jack''s mannequin mp3 . [?????] natasha bedingfield free sheet music. fem3ct0 . [?????] incompatibility in plants . http://blog.yonhapnews.co.kr/chungwon/post/83/
WCF Binary-Encoded Message Inspector
100 Love Songs (6 CD) Various Artists mp3 Natasha Bedingfield · Lyrics. Incompatible It don't matter though 'Cos someone's bound to hear my cry. Speak out if you do. You're not easy to find. Is it possible . http://mp3sale.ru/release/100_love_songs__6_cd_/263741
Chad Sowald's Request-To-Code
??????????????????????? Natasha Bedingfield +++++++++++++++++++ ?????????? ????? ??????? ????????? ?????????????????? . http://www.douban.com/group/topic/9432235/?start=200
Eyal's Extensions
- hotels on longboat key has written two extensions:
Thomas Deml's Export WCAT Script extension
Natasha Bedingfield - Soulmate [text na Supermusic.sk] Natasha Bedingfield na premiére: Zradili ju blesky, odhalili prsia - pravda.sk. Natasha Bedingfield: . Incompatible, it don't matter though 'cos someone's bound . http://www.supermusic.sk/skupina.php?idpiesne=147559&sid=
Per-Response Latency Extension
Soulmate Natasha Bedingfield Country Rock | L?i D?ch | L?i Vi?t ... . download l?i d?ch, l?i vi?t và L?i bài hát Soulmate Natasha Bedingfield Country Rock và h?c ti?ng . Báo l?i mp3|video . Incompatible, it don't matter though . http://loidich.com/ld2036-Soulmate-NatashaBedingfield.html
WPAD Server
Smash Up The Studio - MIDI Lab: Old Skool Disco :: Traxsource Feb 1, 2013 . Your browser is incompatible* . Each kit is key and tempo labelled and there is also an MP3 mix with each kit for user reference. Content: . http://www.traxsource.com/title/202360/midi-lab-old-skool-disco
XML Request InspectorJune 2011 | Aris Sugianto ~ Catatan si Boy 3 Jun 2011 . Catatan si Boy: June 2011 Catatan Harian, Download, Musik, mp3, ebook, SEO, Tips Trik Blogging, Islami, dan . Yeah, salah satu lagu dari Natasha Bedingfield dengan judul Soulmate. . Incompatible, it don't matter though . http://www.arissugianto.com/2011_06_01_archive.html XML DataSet InspectorNick Ready - YouTube Natasha bedingfield- Soulmate · Nynke from the sea by Nynke from the sea 4,933,677 views. Lyrics vvv. Incompatible, it don't matter though. 'cos someone's . http://www.youtube.com/channel/UCGkYgWyqDuzmercdmg5ujFQ
©2013 Telerik
|


We can only see a short distance ahead, but we can see plenty there that needs to be done. - Alan Turing
One of my daily activities is to participate actively in diffrent, mostly tech-based, communities.
The spirit and the advantageous momentum of a vivid community is just phenomenal. It empowers everyone to give there best - what ever it is.
If you are a German speaker, you may wanna also join one of the communities that I'm currently in.
This is my German podcast experiment La-La-Laber doch!. It features my own bug, the stuttering, as a feature and as main topic of the diffrent episodes.
If you are a German speaker, you may wanna also join one of the communities that I'm currently in.
I use this podcast to force me to go out and do things that I avoided in past. Speaking in public without even known who is listing is quite the self-conquesting action I can imagine.
Working with moving images was always a kind of content creation that I liked. I started with a huge VHS tape recoder and now ended on YoutTube. To be fair, as my podcast, my German YouTube channel is meant as an additional expirment to cope with my speech impediment.
I do not plan to invest heavly in this channel, it's a quite awesome place to do something diffrent as I'm used to it and what I do for a living.


Monday
Mexican Quinoa
A protein packed quinoa salad with peppers, black beans and chilli. If you’re in the mood for Mexican, perfect with sweet potato wedges & 3 bean chilli.
Thuesday
Squash & Lentil Salad
Vibrant roasted butternut squash with sundried tomatoes, kale & feta. Combined with lentil & pumpkin seeds for a protein hit and fresh mint to make it zing!
Wednesday
Raw Pad Thai
An old favourite of ours, shredded raw veggies with a delicious sunflower seed butter pad thai sauce. Great with stir fry & rice or our other salads.
Thursday
Roast Cauliflower & Chickpea
Spiced, roasted cauliflower tossed with chickpeas sounds simple but we’ve packed so many spices in here; coriander, cumin, cinnamon, nutmeg and turmeric. Great with falafel and houmous.
Friday
Sweet Potato & cauliflower curry
A vibrant, delicious veggie curry which is warming rather than hot. Perfect with brown rice and our turmeric dahl.
Sat Sun
Vegan Mushroom Bake
A hearty bake of Portobello mushrooms & brown rice topped with golden linseeds. Perfect on its own or as a base for salads.


40.Schumann, U. & Heymsfield, A. J. On the life cycle of individual contrails and contrail
cirrus. In Meteorological Monographs—
Ice Formation and Evolution in Clouds and Precipitation: Measurement and Modeling
Challenges, Ch. 3, 10.1175/AMSMONOGRAPHS-D-16-0005.1 (2017).


head_ref_deleted
by None at 2021-04-21 13:26:51.head_ref_force_pushed
by None at 2021-04-21 13:32:24.renamed
by None at 2021-04-21 13:32:59.ready_for_review
by None at 2021-04-21 13:33:14.referenced
by Hector Correa at 2021-04-21 14:15:21.merged
by Hector Correa at 2021-04-21 14:15:21.closed
by Hector Correa at 2021-04-21 14:15:21.head_ref_deleted
by Hector Correa at 2021-04-21 14:15:22.referenced
by None at 2021-04-21 13:32:24.closed
by None at 2021-04-21 14:15:58.labeled
by Christina Chortaria at 2021-04-21 16:51:43.This logic was pulled from voyager helpers enrichment
For reference this was duplicating logic from the regex here:
labeled
by None at 2021-04-21 17:00:26.@mzelesky Will these dumps included deleted records? I assume they will. Do we need to enrich deleted boundwiths to add item / holding data from the host record?
@mzelesky If the incremental dump doesn't include one of the records for the boundwith, we'll have to pull that from the API to include it in the file. However, the SCSB records must include suppressed records. The API doesn't return suppressed records. I'm not sure there's a way to fulfill this requirement for that edge case.
@mzelesky we're considering whether it might work to create a nightly dump of all boundwith host and constituent records to reference as we create the scsb file. We messed around with sets a little, though, and couldn't figure out how to generate a dump like this. Do you think it is possible?
I haven't tried it but have you looked into https://knowledge.exlibrisgroup.com/Alma/Knowledge_Articles/Create_Users_Set_for_expired_patrons_based_on_Analytics? but this would be a one time set.
mentioned
by None at 2021-04-21 18:39:43.subscribed
by None at 2021-04-21 18:39:43.mentioned
by None at 2021-04-21 18:51:39.subscribed
by None at 2021-04-21 18:51:39.mentioned
by None at 2021-04-21 19:15:47.subscribed
by None at 2021-04-21 19:15:47.assigned
by None at 2021-04-21 20:35:54.assigned
by Eliot Jordan at 2021-04-21 20:36:00.assigned
by Eliot Jordan at 2021-04-21 20:37:33.referenced
by Christina Chortaria at 2021-04-21 18:32:33.merged
by Christina Chortaria at 2021-04-21 18:32:33.closed
by Christina Chortaria at 2021-04-21 18:32:34.head_ref_deleted
by Christina Chortaria at 2021-04-21 18:32:34.assigned
by None at 2021-04-21 15:05:41.closed
by None at 2021-04-21 20:53:04.unassigned
by Eliot Jordan at 2021-04-21 20:55:33.labeled
by Christina Chortaria at 2021-04-21 21:33:59.assigned
by Christina Chortaria at 2021-04-21 21:34:00.ready_for_review
by Hector Correa at 2021-04-21 19:45:44.Duplicates #6
labeled
by Kevin McElwee at 2021-04-21 14:08:17.closed
by Kevin McElwee at 2021-04-21 14:08:24.@tpendragon @hackartisan I just got another mention of this today from Fernando. I saw 704 was closed and am about to try myself.
mentioned
by None at 2021-04-21 15:30:34.subscribed
by None at 2021-04-21 15:30:34.mentioned
by Trey Pendragon at 2021-04-21 15:30:34.subscribed
by Trey Pendragon at 2021-04-21 15:30:34.referenced
by Christina Chortaria at 2021-04-21 19:01:36.merged
by Christina Chortaria at 2021-04-21 19:01:36.closed
by Christina Chortaria at 2021-04-21 19:01:36.referenced
by Bess Sadler at 2021-04-21 20:38:59.merged
by Bess Sadler at 2021-04-21 20:38:59.closed
by Bess Sadler at 2021-04-21 20:39:00.head_ref_deleted
by Bess Sadler at 2021-04-21 20:39:04.transferred
by Kevin McElwee at 2021-04-21 14:07:24.transferred
by Kevin McElwee at 2021-04-21 14:08:52.transferred
by Kevin McElwee at 2021-04-21 14:09:05.transferred
by Kevin McElwee at 2021-04-21 14:09:22.This was fixed magically
closed
by Kevin McElwee at 2021-04-21 14:42:26.labeled
by None at 2021-04-21 14:14:59.review_requested
by Kevin Reiss at 2021-04-21 18:09:43.renamed
by Kevin Reiss at 2021-04-21 18:09:52.referenced
by None at 2021-04-21 19:05:28.merged
by None at 2021-04-21 19:05:28.closed
by None at 2021-04-21 19:05:28.head_ref_deleted
by None at 2021-04-21 19:05:33.ready_for_review
by None at 2021-04-21 13:12:51.referenced
by Kevin Reiss at 2021-04-21 14:35:22.merged
by Kevin Reiss at 2021-04-21 14:35:22.closed
by Kevin Reiss at 2021-04-21 14:35:22.head_ref_deleted
by Kevin Reiss at 2021-04-21 14:35:26.labeled
by None at 2021-04-21 14:36:50.labeled
by None at 2021-04-21 14:36:50.referenced
by Trey Pendragon at 2021-04-21 16:57:06.merged
by Trey Pendragon at 2021-04-21 16:57:06.closed
by Trey Pendragon at 2021-04-21 16:57:06.head_ref_deleted
by Trey Pendragon at 2021-04-21 16:57:11.There's too big a chain of PRs here, so to unblock ongoing work we're going to merge all of these.
automatic_base_change_succeeded
by Trey Pendragon at 2021-04-21 16:57:11.ready_for_review
by Trey Pendragon at 2021-04-21 17:42:03.referenced
by Trey Pendragon at 2021-04-21 17:42:07.merged
by Trey Pendragon at 2021-04-21 17:42:07.closed
by Trey Pendragon at 2021-04-21 17:42:08.head_ref_deleted
by Trey Pendragon at 2021-04-21 17:42:10.I can't adequately review this, the diff is too big and there are too many commits. As we're under a timeline I'm going to approve it assuming CI checks out.
referenced
by Trey Pendragon at 2021-04-21 17:42:22.merged
by Trey Pendragon at 2021-04-21 17:42:22.closed
by Trey Pendragon at 2021-04-21 17:42:22.head_ref_deleted
by Trey Pendragon at 2021-04-21 17:42:25.referenced
by Trey Pendragon at 2021-04-21 17:48:26.merged
by Trey Pendragon at 2021-04-21 17:48:27.closed
by Trey Pendragon at 2021-04-21 17:48:27.head_ref_deleted
by Trey Pendragon at 2021-04-21 17:48:29.referenced
by Christina Chortaria at 2021-04-21 18:59:37.merged
by Christina Chortaria at 2021-04-21 18:59:37.closed
by Christina Chortaria at 2021-04-21 18:59:37.head_ref_force_pushed
by Trey Pendragon at 2021-04-21 20:14:04.referenced
by Christina Chortaria at 2021-04-21 20:20:01.merged
by Christina Chortaria at 2021-04-21 20:20:01.closed
by Christina Chortaria at 2021-04-21 20:20:01.labeled
by Trey Pendragon at 2021-04-21 20:43:40.labeled
by Trey Pendragon at 2021-04-21 20:43:40.labeled
by Trey Pendragon at 2021-04-21 20:43:40.convert_to_draft
by Trey Pendragon at 2021-04-21 23:30:11.assigned
by Bess Sadler at 2021-04-21 17:48:05.assigned
by Francis Kayiwa at 2021-04-21 17:48:17.assigned
by Bess Sadler at 2021-04-21 18:37:32.referenced
by Bess Sadler at 2021-04-21 20:31:40.merged
by Bess Sadler at 2021-04-21 20:31:40.closed
by Bess Sadler at 2021-04-21 20:31:40.head_ref_deleted
by Bess Sadler at 2021-04-21 20:31:41.labeled
by Kevin Reiss at 2021-04-21 14:09:36.assigned
by None at 2021-04-21 14:27:25.referenced
by None at 2021-04-21 14:38:07.referenced
by None at 2021-04-21 14:45:21.referenced
by None at 2021-04-21 14:45:41.We could modify bibdata to call the holdings/ALL/items endpoint where the holding id is missing, or maybe when the holding id is missing and it's not ETAS.
Note that the end state is that ETAS is not a temp location, regardless.
The items would all have to be grouped by holding id and synthesized into the response.
The fact that we have so many ETAS items means there are millions of items with temporary locations. Without ETAS it might only be reserve items, maybe new book shelves, things that are temporarily in "the Annex".
Alternately, we use the index to store ETAS status.
I have 2 solutions: 1.The first one is to display only the location and it will look like:
This will be identical with what is coming from the availability.js call and overrides the physical holding.
2.The second one is to display the library and the location. This will create a repetition of the library name since it is included in the external_name that we pull from alma.
If we go with the second solution we will need to update the availability.js to include the library label in the response, which is ok. @mzelesky @kevinreiss what do you think?
This is the 3rd example from the screenshots https://catalog-alma-qa.princeton.edu/catalog?utf8=%E2%9C%93&search_field=all_fields&q=9912286923506421 from alma-qa using the availability.js
and this is the same example with the physical holding not using javascript on alma-qa
In my local I have reindexed the record with the correct updated location. This is why you dont see Recap but you see Mendel.
I would vote for only the location name. Will this pattern hold up for the default locations at each library? For the Firestone "stacks" we'd still want to see "Firestone - Stacks" rather than just "Stacks"
Yes it will be 'Firestone Library Stacks' as it appears in the first screenshot here https://github.com/pulibrary/orangelight/issues/2418#issuecomment-824358152
Sorry I missed that. I think the first approach works best. Less text > more text.
Thank you @kevinreiss
mentioned
by Kevin Reiss at 2021-04-21 21:07:27.subscribed
by Kevin Reiss at 2021-04-21 21:07:27.mentioned
by None at 2021-04-21 21:07:27.subscribed
by None at 2021-04-21 21:07:27.mentioned
by Kevin Reiss at 2021-04-21 21:45:57.subscribed
by Kevin Reiss at 2021-04-21 21:45:57.head_ref_force_pushed
by Francis Kayiwa at 2021-04-21 12:00:19.head_ref_force_pushed
by Francis Kayiwa at 2021-04-21 12:13:58.head_ref_force_pushed
by Francis Kayiwa at 2021-04-21 17:51:14.referenced
by Francis Kayiwa at 2021-04-21 18:08:28.merged
by Francis Kayiwa at 2021-04-21 18:08:28.closed
by Francis Kayiwa at 2021-04-21 18:08:28.head_ref_deleted
by Francis Kayiwa at 2021-04-21 18:08:29.referenced
by None at 2021-04-21 13:10:37.merged
by None at 2021-04-21 13:10:37.closed
by None at 2021-04-21 13:10:38.head_ref_deleted
by None at 2021-04-21 13:10:38.referenced
by Kevin Reiss at 2021-04-21 18:53:16.merged
by Kevin Reiss at 2021-04-21 18:53:16.closed
by Kevin Reiss at 2021-04-21 18:53:16.head_ref_deleted
by Kevin Reiss at 2021-04-21 18:53:16.referenced
by Kevin Reiss at 2021-04-21 20:46:53.merged
by Kevin Reiss at 2021-04-21 20:46:53.closed
by Kevin Reiss at 2021-04-21 20:46:53.@axamei this one is deployed to staging
review_requested
by Kevin Reiss at 2021-04-21 21:46:20.mentioned
by Axa Mei Liauw at 2021-04-21 21:53:31.subscribed
by Axa Mei Liauw at 2021-04-21 21:53:31.referenced
by Bess Sadler at 2021-04-21 15:50:01.merged
by Bess Sadler at 2021-04-21 15:50:01.closed
by Bess Sadler at 2021-04-21 15:50:01.head_ref_deleted
by Bess Sadler at 2021-04-21 15:50:02.


Urban Surf 4 Kids
Wordpress Management
Urban Surf 4 Kids is a San Diego based, non-profit organization dedicated to helping orphan and foster youth through the joys of surfing and community service. By hosting free surf camps and "surf and serve" trips, US4k helps give hope to disadvantaged youth. I became a part of US4K in January 2015 and currently am the website manager for Urban Surf 4 Kids online magazine us4kmag.org and the junior developer for us4k.org (both Wordpress 4.1). I am also the designer and manager of our promotional event website us4k.dojiggy.com. My duties include web design, custom css, search engine optimization, website security and content editing.
Playnomics
Days after graduating from Vanderbilt, I moved to San Francisco to work as an intern for Playnomics, a video and mobile gaming analytics company. While at Playnomics, I operated as a member of both the Data Science and Business Development teams. My regular duties included market research, customer network analysis, and onboarding customers. In addition, one of the projects I am most proud of was helping to develop our use cases and pitch deck for casino and social casino video games. Accordingly, I researched casino pay schedules and forcasting algorithms and decided how we could best leverage our existing technologies to learn about users and maximize engagement and retention. I left Playnomics to begin advanced studies in computer science, in no small part due to my experiences and interaction with the engineering team there. Playnomics was acquired by Unity Technologies in April 2014.


Using an
Angular directive for exporting JSON data as a CSV download.
All Attributes Set
Only Required Attribute Set
Optional Attributes Default


Instructions to build standalone executable
When a terminal is mentioned, it refers to:
cmd.exe
on Windows
Terminal
on Ubuntu
-
Download and Install Unity Hub
- Ubuntu: You may need to allow the downloaded AppImage to be run as an executable
- Right-click the AppImage
- Select
Properties
- Go to the
Permissions
tab - Check
Allow executing file as program
- Alternatively, in the terminal run
sudo chmod +x UnityHub.AppImage
- Ubuntu: You may need to allow the downloaded AppImage to be run as an executable
-
Download and Install Unity 2019.3.3f1 from the Unity Download Archive:
- IMPORTANT include Mono support for both Windows and Linux when installing Unity
- (Optional) include support for Visual Studio for easier debugging
- Windows
- Click the
Unity Hub
button to have Unity Hub handle the installation process
- Click the
- Ubuntu
- Right click the
Unity Hub
button and selectCopy Link Address
- In a terminal, type
<PATH_TO_UNITY_HUB> <COPIED_LINK>
- The copied link will be in the form
unityhub://Unity-VERSION/XXXXXX
(e.g.unityhub://2019.3.3f1/7ceaae5f7503
) - Thus, if the Unity Hub application is in the current directory, type
./UnityHub.AppImage unityhub://2019.3.3f1/7ceaae5f7503
- The copied link will be in the form
- Unity Hub will open and guide you through the installation of Unity Editor
- Right click the
- Verify installation
- Under the
Installs
tab ofUnity Hub
there should be the expected version shown. In the bottom-left corner of the version, there should be an icon of the other OS (e.g. on a Linux computer, the Windows logo will be shown)
- Under the
-
Download and Install Node.js
- Version 12.16.1 LTS is fine
- Windows
- Download and run the
.msi
- Download and run the
- Ubuntu
- The instructions are from the NodeJS Github
curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
sudo apt-get install -y nodejs
- The instructions are from the NodeJS Github
- Verify installation
- Open a terminal and type
node --version
v12.16.1
should print out
- Open a terminal and type
-
Make sure you have git-lfs installed before cloning the Simulator repository.
- Instructions for installation are here
- Verify installation
- In a terminal enter
git lfs install
> Git LFS initialized.
should print out
- In a terminal enter
-
Clone simulator from GitHub
- Open a terminal and navigate to where you want the Simulator to be downloaded to
- e.g. If you want the Simulator in your
Documents
folder, usecd
in the terminal so that the input for the terminal is similar to/Documents$
- e.g. If you want the Simulator in your
git clone --single-branch https://github.com/lgsvl/simulator.git
- Verify download
- The
git clone
will create aSimulator
folder - Open a File Explorer and navigate to where the
Simulator
folder is - Navigate to
Simulator/Assets/Materials/EnvironmentMaterials/
- There should be a
EnvironmentDamageAlbedo.png
in this folder - Open the image, it should be a mostly grey square that looks like concrete
- If the image cannot be opened,
Git LFS
was not installed before cloning the repository- Install
Git LFS
following step 4 - In a terminal, navigate to the
Simulator
folder so that the terminal is similar to/Simulator$
git lfs pull
- Check the image again
- Install
- The
- Open a terminal and navigate to where you want the Simulator to be downloaded to
-
Run Unity Hub
-
In the
Projects
tab, clickAdd
and select theSimulator
folder that was created bygit clone
in Step 5 -
In the
Projects
tab, verify that the Simulator is using Unity Version 2019.3.3f1 from the dropdown -
Double-click the name of the project to launch Unity Editor
-
Open a terminal and navigate to the
WebUI
folder of the Simulator project- Window ex.
C:\Users\XXX\Documents\Simulator\WebUI
- Linux ex.
/home/XXX/Projects/Simulator/WebUI
- Window ex.
-
In the terminal run
npm install
to install dependencies, do this only once or if dependencies change inside packages.json file- The output will be similar to below
-
In Unity Editor run
Build WebUi...
inUnity
:Simulator
->Build WebUI...
-
Open
Build...
inUnity
:Simulator
->Build...
-
Check the Environments, Vehicles, and Sensors that should be generated as AssetBundles
- The
Simulator
repository does not contain any Environments, Vehicles, or Sensors. They are separate repositories on GitHub - See assets documentation for information on how to add Environments and Vehicles
- They will be located in a folder called
AssetBundles
in the folder selected as the build location - These may also be built separately from the Simulator. In this case they will be put into
Simulator/AssetBundles
folder of the project
- The
-
(Optional) Click
Build
to only build the AssetBundles. Load theLoaderScene.unity
and click the Play button at the top of the editor to start the simulator. -
Select the
Target OS
for the build- This is only used when building the Simulator. AssetBundles are built for Linux and Windows automatically
-
Verify
Build Simulator
is checked for the Simulator to be built -
Select a folder that the simulator will be built in
-
(Optional) Check
Development Build
to create a Development Build -
Click
Build
- NOTE You will get an error when building AssetBundles if either Windows or Linux support is not installed in Unity
- Open
Unity Hub
and go to theInstalls
tab - Click the vertical 3-dots next to the Unity version of the Simulator
- Click
Add Modules
- Check
Windows Build Support (Mono)
orLinux Build Support (Mono)
- Click
Done
- Open
- NOTE You will get an error when building AssetBundles if either Windows or Linux support is not installed in Unity
Test Simulator top#
-
Ubuntu - Install Vulkan userspace library
sudo apt-get install libvulkan1
-
Double-click the
Simulator.exe
that was built -
Select graphics options then press
Ok
-
Click
Open Browser
-
In the Maps tab,
Add new
map with the URL to an environment assetbundle -
ex.
C:\Users\XXX\Desktop\Simulator\AssetBundles\environment_borregasave
-
In the Vehicles tab,
Add new
vehicle with the URL to a vehicle assetbundle -
ex.
C:\Users\XXX\Desktop\Simulator\AssetBundles\vehicle_jaguar2015xe
-
(Optional) Add a keyboard control "sensor" to the vehicle to enable driving
- Click the wrench icon next to the vehicle name
-
In the text box insert
[{"type": "Keyboard Control", "name": "Keyboard Car Control"}]
-
In the Simulations tab,
Add new
simulation with the added map and vehicle -
Press the Play button
-
The Unity window should now show a vehicle in the built environment


Hi!
I'm William Coulter.
W
e
b
s
i
t
e
c
o
m
i
n
g
s
o
o
n
!
Please check back with me in the near future for updates.


Whack A Mole Test
Click on the green circle in the middle, then click on the red circle that appears at a random position on the screen.
Only the time between clicking the green circle and the red circle is used, so you may rest inbetween.
We will first calibrate your speed over 5-10 trials. Those trials do not give points.
Click start to begin the calibration phase
Start


Thieves grab jewels, treasures worth 'up to a billion euros' in Dresden
DRESDEN, Germany: Thieves grabbed jewels and other treasures worth up to a billion euros from an eastern German museum in the early hours of Monday, Bild newspaper reported.
The intruders cut the electricity supply in Dresden's Gruenes Gewoelbe, or Green Vault museum, which houses one of Europe's largest collections of jewellery and court riches, the newspaper said without giving a source.
Police sealed off the building in Dresden's Baroque city palace and said they were still trying to work out what was missing. "We have not identified a perpetrator and nor have we yet made any arrests," police spokesman Marko Laske said.
There was no immediate comment from museum staff.
The collection was founded in the 18th century by August the Strong, Elector of Saxony and later King of Poland.
One of its best known treasures - the 41-carat Dresden "Green Diamond" - was away on loan to New York's Metropolitan Museum of Art at the time of the break-in.
Other exhibits in Dresden include a table-sized sculpture of an Indian royal court from the 18th century, made out of gold, silver, enamel, precious stones and pearls.
Another is a 1701 golden coffee service by court jeweller Johann Melchior Dinglinger, decorated with lounging cherubs.
The treasures of the Green Vault survived Allied bombing raids in World War Two, only to be carted off as war booty by the Soviet Union. They were returned to Dresden, the historic capital of the state of Saxony, in 1958.
The theft was a blow to the whole state, its premier, Michael Kretschmer, said.
"The works in the Green Vault and the Palace were built up by the people of Saxony with many centuries of hard work," he said.


I worked as a tutor for the Learning Support Services office at UC Santa Cruz. I tutored college students in Politics, History, Writing. I also worked teaching English as a second language to exchange students through the non-profit Cultural Homestay International. I discovered my love of teaching students through working as a tutor.
I have a passion for nonprofits and the work that they do in the community. I previously worked for two non-profits- Cultural Homestay International and Portland Rescue Mission. At Cultural Homestay International, I matched international students with their host families and taught English as a Second Language to exchange students. At the Portland Rescue Mission, I interacted and worked with the women's homeless population in Portland. I currently work at Susan Matlack Jones & Associates where we do the Bookkeeping and Accounting for over 90 non-profits in the Portland area.
I have experience teaching English as a second language to international students visiting the United States. I also studied abroad for a semester in Dublin, Ireland, through an Immersion Program, where I studied Irish History and Politics. Once I returned, I became a student ambassador for the Education Abroad Program office where I encouraged other students to go abroad and immerse themselves in other cultures.
I am currently working as a Bookkeeper for Non-profits in the Portland area. I work with a variety of non-profits on their bookkeeping and accounting. I enjoy supporting nonprofits and the work they are doing in the community. I have learned a lot about the structure of government and individual entities because of the work I am doing.
I discovered my love of teaching through tutoring other college students in writing, history and politics. I learned a lot about different teaching styles through the training provided by the Learning Support Services office.
I worked raising awareness of the education abroad programs offered through the Univeristy of California System. I answered other students questions and concerns about studying abroad as well as encouraging them to travel and learn about other nations. Traveling abroad spurred my interest in continuing to study International politics.
Working at cultural homestay international encouraged my love of learning about other nations and the way they operate. I worked as an Academic Coordinator where I focused on setting up high school exchange students with host families. I also worked teaching English as a second language for 2 months during the summer.
-Deans Honors
-Golden Key Scholar
-College Nine Distinction
-Member of NCAA’s Women’s Soccer Team
Member of University of California Immersion Program
-International Baccalaureate Honors
-National Honors Society
-California Scholarship Federation
-Model United Nations Member
-3rd place in Orange County Academic Decathalon
-Varsity Soccer


Chapter 3 Conditionals and Loops
3.1 Setup
1. Download data.
We will be using a dataset containing citation and alternative metrics for articles published in the PLOS family of journals between 2003 and 2010. The data set was compiled by Priem et al 2012 (publication).
Download the data onto your computer from this dropbox link and move it into a directory on your computer that makes sense.
2. Read in data into R.
3.2 Conditional statements
Decision making is an important part of programming. This can be achieved in R programming using conditional statements such as if
and if...else
.
if
The syntax of an if statement is:
## [1] "positive number"
if…else
The syntax of an if…else statement is:
The else part is optional and is only evaluated if test_expression is FALSE. It is important that the else
word be in the same line as the closing brace of the if
statement.
## [1] "positive number"
Nested if…else statements
You can have more than two test expressions:
x <- 0
if (x < 0) {
print("negative number")
} else if (x > 0) {
print("positive number")
} else {
print("zero")
}
## [1] "zero"
EXERCISE 2.1
Write a simple if…else statement to check if 5 is an odd number and if it is print “I am odd”, otherwise print “I am even”.
3.3 Loops
Conceptually, a loop is a way to repeat a sequence of instructions under certain conditions. They allow you to automate parts of your code that are in need of repetition.
for
loop
The easiest and most frequently used loop in R is a for loop. Here is a demonstration of using loops.
## [1] 2015
## [1] 2016
## [1] 2017
## [1] 2018
## [1] "the year is 2015"
## [1] "the year is 2016"
## [1] "the year is 2017"
## [1] "the year is 2018"
while
loop
In contrast to a for lop, while loops are used to loop until a specific conditional statement is no longer true.
## [1] 1
## [1] 2
## [1] 3
## [1] 4
## [1] 5
EXERCISE 2.2
Challenging. From the PLOS journal publication data we read into R above, here is a plot showing the impact factor according to the F1000 (Faculty of 1000) versus the number of times the PDF was downloaded.
Using this dataset, write a for
loop containing an if...else
statement to change the f1000Factor column into categorical variable with two levels: high impact and low impact.
Do this by translating the following sentence into R code: for every element in the f1000Factor variable, if the value is greater than zero, change it to “high_impact”, otherwise, change it to “low_impact”.
Bonus. Create a box plot (like the one below) showing the number of PDF downloads for high versus low impact articles.


--- layout: page title: Archive permalink: /archive/ ---
An archive of my blog posts. Anything earlier will be up at my 'real' blog - see my 'Everything else' page.


Data validation
One of the very common problem in programming is data validation. In a word, we want to make sure that every incoming data has the correct structure. We need to discriminate unsafe external inputs from safe, compiler validated data. In a typical web application, you need do that on every request. Surely, it could have an impact on the performances of your application. In this article, I'm going to compare two extremely different solutions addressing the issue. The Bean validation API from Java, and the unified validation API from play. The latter being a more functional approach, featuring immutability and typesafety.
Java: The Bean Validation API, aka JSR 303
The bean validation specification was first released in 2009. This API uses annotations to set constraints on Java Beans. You then call the validation method on an annotated instance to find out if its valid. The reference, and most popular implementation is from Hibernate.
Here's a little example from their website:
That's for the declaration. The actual validation looks like this (again, from their website):
So you pass an instance to validator.validate
and you get a Set
of errors. If the Set is empty, the object was valid.
Most of the time, you'll use this API to validate Json or XML. Here's how you'd unmarshall and validate a json object:
Scala: Play unified validation API.
The unified validation API is an effort to provide the core primitives needed to validate any data structure. Its primary intent is to replace the Json validation API and the form validation API in play framework. It's easy to extend, and support Json validation, and form validation out of the box.
Here's a port of the Json validation scenario. Note that this time, we are validating the Json directly.
When implementing the API, I didn't focus much on performances. My primary objectives were correctness, compositionality, and typesafety. Actually some design choices, like making every validator lazily evaluated, have a negative impact on performances. Let's see how it performs.
Benchmark
The test protocol
The benchmark consists of parsing and validating Json objects stored in a file. The data are extracted from the Last.fm Dataset. The JSON structure has been modified a bit for easier parsing (using the awesome jq). The code is hosted here.
The performances are measured using a series of scalameter micro-benchmarks. Both APIs are using Jackson for parsing JSON.
Results
The benchmark measures the time taken to parse and validate from 5000 to 10000 json objects. Two different scenario are tested:
- All the objects are valid
- All the objects have an invalid field
Here are the results. A lower execution time is better.
Surprisingly, the Scala API is a lot faster!
- When the objects are valid, the Scala API is up 1.6x faster than the Java API.
- When the objects contains an invalid field, the Scala API is up 2.6x faster than the Java API.
The Scala API is significantly faster than the Java API. Having invalid fields will greatly affect performances in the Java API, while it has little impact on the Scala side.
Benchmarks are unimportant
So what do we learn there ?
We learn that in this particular setup, a particular library written in Scala is faster than a particular library written in Java. It certainly does not mean that a Java program is always going to be slower than the same program written in Scala.
Since the beginning of Scala, we've seen a lot of people wondering if Scala is slower than Java.
Benchmarks are getting a lot of attention, This one in particular. It demonstrates that a web app sending json responses written using cpoll_cppsp
is 4 times faster than in nodejs
app, which "only" sends 228,887 responses per-second.
I write web applications for a living. I even contribute code to a web framework. Is that relevant to me ?
Not really. A benchmark is never going to come close to what a real production application does. 228,887 responses per-seconds on a single node is, by an order of magnitude, more than any real application figures.
So why do I take the time to write my own benchmark you may ask? I was expecting the unified API to outperform Java, and wanted to prove that. Contrary to popular beliefs, a Scala program can be faster than its Java counterpart.
The interesting question is: Why is it faster while relying on a "slow" language ? The answer is actually quite simple. A better, more scalable language provides better tools to write better programs.
It does not matter if Java kills Scala on micro-benchmarks. Because Java lacks essential constructs, it forces you to rely on workarounds like using reflection. Those workarounds not only hurt the performances of your application, but more importantly, they're making your program harder to reason about.
A case for correctness compositionality, and user-friendliness.
Java's problems
Unfriendly API
The main problem I have with Java's validation API, (actually with Java in general) is it's unnecessary complexity. Sure for trivial use-cases it looks nice and simple, but as soon as you start to dig into it, things get funny:
Let's see a simple example, what if we use JSR-303 on an instance of Track:
Surely, that's enough to check that a given track instance is valid?
WRONG. You see, we didn't state explicitly that when verifying the validity of a Track
, we must also check the validity of its Tags
and Similars
. You need to annotate each attribute with @Valid
.
That behavior is extremely counter-intuitive. I fail to see how a Track
instance can be valid if its members aren't.
Validation and unmarshalling
JSR 303 does not handle data marshalling and unmarshalling. It's only about class instances validation. For the purpose of this test, I used Jackson to unmarshall the Json into class instances. The thing is, validation is part of unmarshalling. One can't simply transform a JSON tree in a class instance without checking the Json structure beforehand. Does the "age" field I'm expecting exists ? Is it an integer ?
Considering that point, the Java workflow seems very odd. When parsing Json you actually have to handle 3 types of errors:
- The Json is not well-formed
- The Json is valid but does not match the structure you're expecting (ie: a field is missing, has the wrong type, etc).
- The constraints you defined are not satisfied.
JSR-303 only helps you with the latter.
The API also forces you to work directly with potentially "invalid" instances. I'd argue that if a class instance is invalid, you should not have created it in the first place
Hard to extend API
Hibernate Validator comes with a handful of built-in validation rules (Email, Length, NotBlank, etc...).
What if you need create a new validation constraint (example from hibernate's doc)?
That's approximately 25 lines of code. 21 are pure ceremony. The only interesting part is:
How do we implement the same thing using the unified validation API ?
Yep, that's 6 lines of codes. I'm confident anybody can grasp it.
Now, what if I have a min
rule, a max
rule, and I want to create a between
rule ? That's easy. Rules compose.
And in java ? Well, I don't even feel like writing that code. It would just be long and tedious.
Scala bonus: Easy parallelism
As a little bonus, since the Scala API only uses immutable data structure, it's completely Thread safe. Scala provides parallels collections. Hacking my original code for 5 minutes, I came up with a version using my multi-core processor to it's fullest.
This version is 5x faster than the Java one.
Conclusion
I think the point of this post is rather obvious. When it comes to choosing a library or a language, benchmarks are rather unhelpful. A properly implemented algorithm can always be optimized. A broken implementation is just broken.
This particular example proves that even though Scala has some overhead, its superior design makes it possible to create libraries that are not only easier to reason about, but also have better performances than their Java counterparts.
You can learn more about the unified API by reading this post or by checking out the source code.


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Cannon Cpp
1.0.0
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An trimesh shape. More...
#include <Trimesh.h>
Public Member Functions | |
| void | updateTree () |
| updateTree More... | |
| std::vector< int > & | getTrianglesInAABB (const AABB &aabb, std::vector< int > &result) |
| Get triangles in a local AABB from the trimesh. More... | |
| void | setScale (const Vec3 &scale) |
| setScale More... | |
| void | updateNormals () |
| Compute the normals of the faces. Will save in the .normals array. More... | |
| void | updateEdges () |
| Update the .edges property. More... | |
| void | getEdgeVertex (int edgeIndex, int firstOrSecond, Vec3 &vertexStore) |
| Get an edge vertex.  More... | |
| Vec3 & | getVertex (int i, Vec3 &out) |
| Get vertex i. More... | |
| Vec3 & | getWorldVertex (int i, const Vec3 &pos, const Quaternion &quat, Vec3 &out) |
| Get a vertex from the trimesh,transformed by the given position and quaternion. More... | |
| void | getTriangleVertices (int i, Vec3 &a, Vec3 &b, Vec3 &c) |
| Get the three vertices for triangle i. More... | |
| Vec3 & | getNormal (int i, Vec3 &target) |
| Compute the normal of triangle i. More... | |
| Vec3 & | calculateLocalInertia (real_t mass, Vec3 &target) override |
| Calculate local inertia. More... | |
| void | computeLocalAABB (AABB &aabb) |
| Compute the local AABB for the trimesh. More... | |
| void | updateAABB () |
| Update the .aabb property. More... | |
| void | updateBoundingSphereRadius () override |
| Will update the .boundingSphereRadius property. More... | |
| void | calculateWorldAABB (const Vec3 &pos, const Quaternion &quat, Vec3 &min, Vec3 &max) override |
| Calculate the AABB in the world frame. More... | |
| virtual real_t | volume () override |
| Get the volume of this shape. More... | |
| AABB & | aabb () |
| const Vec3 & | scale () const |
| std::vector< real_t > & | vertices () |
| std::vector< int16_t > & | indices () |
| std::vector< real_t > & | normals () |
| int | getVerticeCount () |
| real_t | getVertice (int index) |
| int | getIndiceCount () |
| int | getIndice (int index) |
| Octree & | tree () |
| Public Member Functions inherited from Shape | |
| int | id () const |
| Get id of the shape. More... | |
| void | setId (int value) |
| Set id of the shape. More... | |
| real_t | boundingSphereRadius () const |
| Get boundingSphereRadius of the shape. More... | |
| bool | collisionResponse () const |
| void | setCollisionResponse (bool value) |
| Material * | material () const |
| Type | type () const |
| int | collisionFilterGroup () const |
| int | collisionFilterMask () const |
| int | get_type () |
| void | set_type (int value) |
| Body * | get_body () |
| void | set_body (Body *value) |
| Public Member Functions inherited from Ref | |
| Ref () | |
| void | retain () |
| Retain a reference, _referenceCount add one. More... | |
| void | release () |
| Release a reference, _referenceCount minus one. More... | |
| int | getReferenceCount () const |
| Get the reference count of this object. More... | |
Static Public Member Functions | |
| static Trimesh * | create (int id, const std::vector< real_t > &vertices, const std::vector< int16_t > &indices) |
| The create function of trimesh shape. More... | |
| static Trimesh * | create (int id, const real_t *vertices, int verticeCount, const int *indices, int indiceCount) |
| The create function of trimesh shape. More... | |
| static Trimesh * | create (int id, real_t radius=1.0, real_t tube=0.5, int radialSegments=8, int tubularSegments=6, real_t arc=2 *CANNON_PI) |
| static Trimesh * | createTorus (int id, real_t radius=1.0, real_t tube=0.5, int radialSegments=8, int tubularSegments=6, real_t arc=2 *CANNON_PI) |
| Create a Trimesh instance, shaped as a torus. More... | |
Protected Member Functions | |
| Trimesh () | |
| The constructor of trimesh shape. More... | |
| virtual | ~Trimesh () |
| virtual bool | init (int id, const std::vector< real_t > &vertices, const std::vector< int16_t > &indices) |
| Init this trimesh shape. More... | |
| bool | init (int id, const real_t *vertices, int verticeCount, const int *indices, int indiceCount) |
| Init this trimesh shape. More... | |
| Protected Member Functions inherited from Shape | |
| Shape () | |
| Constructor of shape,. More... | |
| virtual | ~Shape () |
| virtual bool | init (const ShapeOptions &options=ShapeOptions()) |
| Init this shape,. More... | |
| Protected Member Functions inherited from Ref | |
| virtual | ~Ref () |
Private Member Functions | |
| Vec3 & | _getUnscaledVertex (int i, Vec3 &out) |
| Get raw vertex i. More... | |
Private Attributes | |
| Vec3 | _scale = Vec3::ONE |
| Local scaling of the mesh. Use .setScale() to set it. More... | |
| AABB | _aabb |
| The local AABB of the mesh. More... | |
| Octree | _tree |
| The indexed triangles. Use .updateTree() to update it. More... | |
| std::vector< real_t > | _vertices |
| vertices More... | |
| std::vector< int16_t > | _indices |
| Array of integers, indicating which vertices each triangle consists of. The length of this array is thus 3 times the number of triangles. More... | |
| std::vector< real_t > | _normals |
| The normals data. More... | |
| std::vector< int16_t > | _edges |
| References to vertex pairs, making up all unique edges in the trimesh. More... | |
Additional Inherited Members | |
| Protected Attributes inherited from Shape | |
| Material * | _material = nullptr |
| Body * | _body = nullptr |
| int | _id = 0 |
| Type | _type = Type::NONE |
| real_t | _boundingSphereRadius = 0.0f |
| bool | _collisionResponse = true |
| int | _collisionFilterGroup = 1 |
| int | _collisionFilterMask = -1 |
| Protected Attributes inherited from Ref | |
| int | _referenceCount = 0 |
| count of references More... | |
An trimesh shape.
Example:
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protected |
The constructor of trimesh shape.
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protectedvirtual |
Get raw vertex i.
| i | The index of the vertex. |
| out | The result. |
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inline |
Calculate local inertia.
| mass | The mass value. |
| target | The result. |
Reimplemented from Shape.
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overridevirtual |
| void Trimesh::computeLocalAABB | ( | AABB & | aabb | ) |
Get face normal given 3 vertices.
| va | Point va |
| vb | Point vb |
| vc | Point vc |
| target | The result normal vector |
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static |
The create function of trimesh shape.
| id | The ID of the trimesh |
| vertices | An array of vectice |
| indices | An array of indice |
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static |
The create function of trimesh shape.
| id | The ID of the trimesh |
| vertices | An array of vectice |
| indices | An array of indice |
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static |
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Create a Trimesh instance, shaped as a torus.
| id | The ID of the trimesh |
| radius | default is 1 |
| tube | default is 0.5 |
| radialSegments | default is 8 |
| tubularSegments | default is 6 |
| arc | default is 6.283185307179586 |
| void Trimesh::getEdgeVector | ( | int | edgeIndex, |
| Vec3 & | vectorStore | ||
| ) |
Get a vector along an edge.
| edgeIndex | The index of the edge. |
| vectorStore | The edge vector. |
| void Trimesh::getEdgeVertex | ( | int | edgeIndex, |
| int | firstOrSecond, | ||
| Vec3 & | vertexStore | ||
| ) |
Get an edge vertex.
| edgeIndex | The index of the edge. |
| firstOrSecond | 0 or 1, depending on which one of the vertices you need. |
| vertexStore | Where to store the result |
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inline |
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inline |
Compute the normal of triangle i.
| i | The index of the triangle. |
| target | The result normal vector. |
| std::vector< int > & Trimesh::getTrianglesInAABB | ( | const AABB & | aabb, |
| std::vector< int > & | result | ||
| ) |
Get the three vertices for triangle i.
| i | The index of the triangle. |
| a | The cornor a of the triangle. |
| b | The cornor b of the triangle. |
| c | The cornor c of the triangle. |
Get vertex i.
| i | The index of the vertex. |
| out | The result vertex. |
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inline |
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inline |
| Vec3 & Trimesh::getWorldVertex | ( | int | i, |
| const Vec3 & | pos, | ||
| const Quaternion & | quat, | ||
| Vec3 & | out | ||
| ) |
Get a vertex from the trimesh,transformed by the given position and quaternion.
| i | The index of the vertex. |
| pos | The position in world frame. |
| quat | The orientation in world frame. |
| out | The result vertex vector. |
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inline |
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protected |
Init this trimesh shape.
| id | The ID of the trimesh |
| vertices | An buffer fo vertice |
| indices | An buffer fo indice |
| indiceCount | Number of indice |
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protectedvirtual |
Init this trimesh shape.
| id | The ID of the trimesh |
| vertices | An array of vectice |
| indices | An array of indice |
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inline |
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inline |
| void Trimesh::setScale | ( | const Vec3 & | scale | ) |
setScale
| scale | The scalar value. |
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inline |
| void Trimesh::updateAABB | ( | ) |
Update the .aabb property.
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overridevirtual |
Will update the .boundingSphereRadius property.
Reimplemented from Shape.
| void Trimesh::updateEdges | ( | ) |
Update the .edges property.
| void Trimesh::updateNormals | ( | ) |
Compute the normals of the faces. Will save in the .normals array.
| void Trimesh::updateTree | ( | ) |
updateTree
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inline |
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overridevirtual |
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private |
References to vertex pairs, making up all unique edges in the trimesh.
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private |
Array of integers, indicating which vertices each triangle consists of. The length of this array is thus 3 times the number of triangles.
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private |
The normals data.
Local scaling of the mesh. Use .setScale() to set it.
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private |
The indexed triangles. Use .updateTree() to update it.
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private |
vertices


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I'm a learned person apparently. I've studied upto the university level but unfortunately I defered at my third year
to pursue my interest of coding. I currently have no job experience. I love coding and I know that coding loves me too.
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