Roll Off Dumpster Sizing
Selecting a dumpster size appropriate for your project or worksite depends on the amount of debris expected, in both cubic feet as well as weight in tons. Our dumpster catalog provides roll off dumpsters of two sizes. Our smaller size is perfect for attic or garage cleanouts, light demolition, and a smaller amount of concrete and heavy debris. Our larger selection is perfect for multi-room clean out, home renovation, and for general construction applications. For more information on our services or our dumpsters, continue reading below.
Avaliable Sizes:
12 Yard Dumpsters
148'' X 90'' X 46''
Our small size of Rolloff dumpster - perfect for room renovation, bathroom tile replacement, garage cleanout and more.  Call us today using the number below, or get a quote online so you can start that project.
Rent Online
16 Yard Dumpsters
148'' X 94'' X 68''
Our large sized dumpster - fit for anything from concrete removal, roofing replacement, or just general construction. If you're working on a project with serious waste removal needs, this size is perfect for you. Call us today using the number below, or get a quote online so you can start that project.
Rent Online
Weight Limits:
Our dumpsters' weight limits vary with size.
The 12 Yard sized dumpster holds 2-3 tons (4000-6000 lbs)
The 16 Yard sized dumpster holds 6-8 tons (6000-8000 lbs)
Our disposal fee, included in our flat rate fee for the dumpster, covers weight up unto the weight limit. Be careful with the amount of material and debris discarded, as the disposal of materials over the weight limit of the dumpster may incur additional charges. Make sure to have an approximation of weight for each item discarded, as often times weight limits are overlooked by residential renovators.


{{ post['title'] }}
{{ post['created'].strftime('%Y-%m-%d') }}
{{ post['body'] }}
{% extends "layout.html" %} {% block content %}
I am a Scientist at the Allen Institute for Brain Science currently investigating neural coding in the visual system. My postdoctoral research at Carnegie Mellon University involved the the investigation of neural computation, dynamics, motor control, and learning using brain-computer interfaces (BCIs). As a graduate student at the University of Pittsburgh, I investigated the ability of individuals with upper-limb paralysis to control an electrocorticography-based brain-computer interface.
The links at the top of the page can be used to navigate through the site:For coding examples, please check out my GitHub profile.
{{ post['body'] }}


As for Baby Buffalos... They're truly the king of beasts, though certainly not the most attractive! They actually prefer fighting to food! They're capable of retreating from battle when injured to heal themselves...


*** User 2017-05-05 19:56:05.329 ***
19:56:05.329 [info] Disabling blocking sync...
*** User 2017-05-05 19:56:05.334 ***
19:56:05.334 [info] Configured peer_service_manager partisan_default_peer_service_manager on node 'node-1@MacBook-Pro-de-Anne-France'
*** User 2017-05-05 19:56:06.899 ***
19:56:06.898 [info] Enabling membership...
*** User 2017-05-05 19:56:06.900 ***
19:56:06.900 [info] Disabling blocking sync...
*** User 2017-05-05 19:56:06.905 ***
19:56:06.905 [info] Configured peer_service_manager partisan_default_peer_service_manager on node 'node-2@MacBook-Pro-de-Anne-France'
*** User 2017-05-05 19:56:08.432 ***
19:56:08.432 [info] Enabling membership...
*** User 2017-05-05 19:56:08.433 ***
19:56:08.433 [info] Disabling blocking sync...
*** User 2017-05-05 19:56:08.439 ***
19:56:08.438 [info] Configured peer_service_manager partisan_default_peer_service_manager on node 'node-3@MacBook-Pro-de-Anne-France'
*** User 2017-05-05 19:56:08.680 ***
Joining node: 'node-3@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55413
*** User 2017-05-05 19:56:08.681 ***
Joining issued: 'node-3@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55413
*** User 2017-05-05 19:56:08.681 ***
Joining node: 'node-2@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55395
*** User 2017-05-05 19:56:08.682 ***
Joining issued: 'node-2@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55395
*** User 2017-05-05 19:56:08.682 ***
Joining node: 'node-1@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55384
*** User 2017-05-05 19:56:08.683 ***
Joining issued: 'node-1@MacBook-Pro-de-Anne-France' to 'runner@MacBook-Pro-de-Anne-France' at port 55384
*** User 2017-05-05 19:56:08.744 ***
Waiting for join to complete with manager: partisan_default_peer_service_manager
*** User 2017-05-05 19:56:08.745 ***
Finished.
*** CT 2017-05-05 19:56:08.745 *** COVER INFO
Adding nodes to cover test: ['runner@MacBook-Pro-de-Anne-France']
*** CT 2017-05-05 19:56:08.756 *** COVER INFO
Successfully added nodes to cover test: []
*** User 2017-05-05 19:56:12.770 ***
Case finished: ivar_test
*** User 2017-05-05 19:56:19.817 ***
19:56:19.817 [info] Application lasp exited with reason: stopped
*** User 2017-05-05 19:56:19.818 ***
19:56:19.817 [info] Application partisan exited with reason: stopped
=== Ended at 2017-05-05 19:56:19
=== successfully completed test case
=== Returned value: ok
Test run history
| Top level test index


Observing microservice meshes with Kiali
At some point when you are developing your microservice architecture, you will need to visualize what is happening in your service mesh. You will have questions like “Which service is connected to which other service?” and “How much traffic goes to each microservice?” But because of the loosely tied nature of microservice architectures , these questions can be difficult to answer.
Those are the kinds of question that Kiali has the ability to answer, by giving you a big picture of the mesh, and showing the whole flow of your requests and data.
How does Kiali work?
Kiali taps into the data provided by Istio to generate its visualizations. It fetches ingress data (such as request tracing with Jaeger), the listing and data of the services, health indexes, and so on.
Update Kiali Configuration
To get full featured Kiali (with embeded Jaeger and Grafana), we need to update its configuration.
Update Kiali with the following commands:
export GATEWAY_IP=$(kubectl -n istio-system get service istio-ingressgateway \
-o jsonpath='{.status.loadBalancer.ingress[0].ip}')
kubectl apply -f - << EOF
apiVersion: v1
kind: ConfigMap
metadata:
name: kiali
namespace: istio-system
labels:
app: kiali
chart: kiali
heritage: Tiller
release: istio
data:
config.yaml: |
istio_namespace: istio-system
auth:
strategy: "login"
server:
port: 20001
web_root: /kiali
external_services:
tracing:
url: http://$GATEWAY_IP:15032/jaeger
grafana:
url: http://$GATEWAY_IP:15031
prometheus:
url: http://$GATEWAY_IP:15030
EOF
kubectl delete pod -l app=kiali -n istio-system
Generating Sample Data
To show the capabilities of Kiali, you’ll need an Istio-enabled application to
be running. For this, we can use the customer-tutorial
application we created
earlier.
To generate data for it, we can fortio
it with this command:
docker run istio/fortio load -t 5m -qps 5 $customer
Kiali’s URL is: http://$GATEWAY_IP:15029
The default credentials are "admin/admin", but it’s recommended to change them before using it in production.
Service Graph
After you login, you should see the Service Graph. Before to go further, make sure that you selected the workshop
namespace by clicking on Select a namespace menu.
And there you go on the Service Graph page.
It shows a graph with all the microservices, connected by the requests going through then.
To understand the meaning of every shape and color click on lengend button the show the legend palette.
Applications
Click the Applications
link in the left navigation. On this page you can
view a listing of all the services that are running in the cluster, and
additional information about them, such as health status.
Click on the "customer" application to see its details:
By hovering the icon on the Health section, you can see the health of a service (a service is considered healthy) when it’s online and responding to requests without errors:
By clicking on Outbound Metrics
or Inbound Metrics
, you can also see the
metrics for an application, like so:
Workloads
Click the Workloads
link in the left navigation. On this page you can view
a listing of all the workloads are present on your applications.
Click on the customer
workload. Here you can see details for the workload,
such as the pods and services that are included in it:
By clicking Outbound Metrics
and Inbound Metrics
, you can check the
metrics for the workload. The metrics are the same as the Application
ones.


| group_nest {dplyr} | R Documentation |
Nest a tibble using a grouping specification
group_nest(.tbl, ..., .key = "data", keep = FALSE)
.tbl |
A tbl |
... |
Grouping specification, forwarded to |
.key |
the name of the list column |
keep |
Should the grouping columns be kept in the list column. |
A tbl with one row per unique combination of the grouping variables. The first columns are the grouping variables, followed by a list column of tibbles with matching rows of the remaining columns.
The primary use case for group_nest()
is with already grouped data frames,
typically a result of group_by()
. In this case group_nest()
only uses
the first argument, the grouped tibble, and warns when ...
is used.
When used on ungrouped data frames, group_nest()
forwards the ...
to
group_by()
before nesting, therefore the ...
are subject to the data mask.
Other grouping functions:
group_by()
,
group_map()
,
group_split()
,
group_trim()
#----- use case 1: a grouped data frame iris %>% group_by(Species) %>% group_nest() # this can be useful if the grouped data has been altered before nesting iris %>% group_by(Species) %>% filter(Sepal.Length > mean(Sepal.Length)) %>% group_nest() #----- use case 2: using group_nest() on a ungrouped data frame with # a grouping specification that uses the data mask starwars %>% group_nest(species, homeworld)


--- layout: post title: no title date: '2016-03-01T01:52:49+01:00' categories: - Sketches - Sketchbooks - Storyboards picture_url: https://film-Storyboards.tumblr.com/post/140263070621 ---


Colts OL Quenton Nelson celebrates with epic beer keg stand in end zone (Video)
by TSD StaffThe Indianapolis Colts were thirsty for a score just a few feet from the end zone in the second half of Sunday’s game against the Jacksonville Jaguars, so they called on a surprising player to punch it in for them.
Most teams look to one of their running backs when in need of a short gain — or sometimes it’s a pass over the middle to a slot receiver or tight end in the back of the end zone.
But not the Colts, instead, they handed the ball off 331-pound offensive lineman Quenton Nelson.
Nelson pushed his way through, and it looked as if he had gotten into the end zone. The officials called it a touchdown, so Nelson had his offensive linemen pick him up. Then, he made it look as if he was doing a beer keg stand while upside down, which was awesome.
The touchdown was reviewed, and the play was overturned, but the awesome celebration will remain forever.


PhD student
Department of Computer Science
University of North Carolina at Chapel Hill
Email: manishg [at] cs [dot] unc [dot] edu
[CV] [GitHub],
[DBLP],
[Google Scholar]
I am a 4th year doctoral student working with Prof. Parasara Sridhar Duggirala at Computer Science Department at the University of North Carolina at Chapel Hill. My research is focused on Cyber-Physical Systems, their verification and validation using formal methods as well as neural networks.
Prior to joining grad school, I have worked in Kernel group for SoC verification platform, SpyGlass at Synopsys India Pvt. Ltd. I have also worked with Prof. Goran Frehse in Parsers team for affine linear hybrid systems verification platform, SpaceEx, at Verimag Research Lab>, Grenoble.
Currently my research is mainly focused on applications of deep learning in inverse problems and uncertainty quantification.
[ATVA'20]
M. Goyal, P. S. Duggirala NeuralExplorer: State Space Exploration of Closed Loop
Control Systems Using Neural Networks. In: International Symposium on Automated Technology for
Verification and Analysisn. Oct. 2020.
Thanks to Vasilios Mavroudis for the template!


Average Rate
99.6 %
+0.02%
Average Rate
99.6 %
+0.02%
Average Rate
99.6 %
+0.02%
Average Rate
99.6 %
+0.02%
Average Rate
99.6 %
+0.02%
|
Performance
Month
Week
21-04-2016
|
Failure Rate
All
NanJing
75% Failure Rate
1463
Empty 26%
1463
Empty 26%
1463
Empty 26%
1463
Empty 26%
1463
Empty 26%
1463
Empty 26% |
|
Breakdowns
View All:26
|
Rank
View All:26
1.Nanjing 7983 machines
99.8%
1.Nanjing 7983 machines
99.8%
1.Nanjing 7983 machines
99.8%
1.Nanjing 7983 machines
99.8%
1.Nanjing 7983 machines
99.8%
|


As we saw in our VTable examples, there is a pointer to a type info structure in every vtable of every class. This allows us to look at this object at runtime and find out details about the class we have. All we have to know is the vtable for an object, and we can, for example, find the name of its type.
Lets look at a quick example that use dynamic_cast<>. dynamic-cast.cc, dynamic-cast.s, dynamic-cast.listing.
Its clear that the __dynamic_cast method does all of the work. Lets see what its implementation looks like: __dynamic_cast.cc


{% extends "layouts/base.html" %} {% import "macros/form_utils.html" as utils %} {% block container %}


-
This is why your Internet is slow. And it’ll get worse. Unless you take 1 ...
www.battleforthenet.com
You’re our only hope.
-
WIRED
www.wired.com
Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, ...
-
Microsoft Surface Tablets
www.microsoft.com
Introducing the new Surface family of tablets: Surface Pro 3 and Surface 2. Learn more at www.microsoft.com/surface
-
Microsoft’s Cube debuts at Decibel, creating a one-of-a-kind digital dance ...
blogs.microsoft.com
Introducing the Cube: Microsoft’s interactive art installation, unveiled this week at Seattle’s Decibel Festival, a celebration of electronic music, ...
-
Students and teachers: You may be eligible to get Office for free! | ...
blogs.office.com
It was just about a year ago we announced Student Advantage , a benefit that allows eligible students to get Office 365 from their school for free. ...
-
New D-Series Virtual Machine Sizes | Microsoft Azure Blog
azure.microsoft.com
Kenaz Kwa Program Manager, Azure Compute Runtime
-
Physical Therapy Clinical Documentation Expert Consultant at Vericle - ...
espoc.recruiterbox.com
POSITION DESCRIPTION EHR Consultant to help design the best-in-class Physical Therapy documentation system at Vericle. The combined experience of the ...
-
Nerd Sourced | Tabletop & Video Gaming News, Podcasts, and Videos
www.nerdsourced.com
D&D 5e Monsters by Challenge Rating PDF The D&D Monster Manual released in select stores last
-
Quiz: Which Game of Thrones character would you be? Quiz - The Oatmeal
theoatmeal.com
4 questions remain
-
Announcing a specification for PHP
hhvm.com
The PHP language has been around for over 20 years and is clearly one of the most popular programming languages in the world. PHP is definitely the ...
-
Steven Lacks: Where should I start learning web development?
stevenlacks.blogspot.com
Programming, Marketing, Humor
-
How do I "think in AngularJS" if I have a jQuery background?
stackoverflow.com
How do I “think in AngularJS” if I have a jQuery background? Suppose I'm familiar with developing client-side applications in jQuery, but now I'd ...
-
The FBI Just Rescued 168 Kids Who Were Being Trafficked For Sex In America
thinkprogress.org
300,000 children may become victims of sex trafficking each year, and the average age of entry into child prostitution is 13 to 14 years old.
-
Steven Lacks: How to Make Page Transitions in jQuery
stevenlacks.blogspot.com
Programming, Marketing, Humor
-
Demo |
www.callthemarketingguy.com
SSConfig = { partner_id: 'e8e92d1a99a2f9e3e5cee3dd93dcd322' /*REQUIRED: Also known as Account ID */ }; _ssq = (typeof _ssq === 'undefined')?); ...
-
6 rules for mastering AngularJS - AngularJS
angularjs.io
In no particular order, here are some rules/tips I do my best to follow when learning new programming language/framework. I am sure they can be ...
-
Supreme Court unanimously rules that software patents can't cover abstract ...
www.engadget.com
From now on companies will have to be a little more specific when filing software patents. The United States Supreme Court today ruled in favor of CLS
-
Steven Lacks: How to build an image gallery in JavaScript (with jQuery)
stevenlacks.blogspot.com
Programming, Marketing, Humor
-
JonAbrams/synth
github.com
synth - The first back-end framework specially designed for single-page web applications
-
Steven Lacks: Capitalization of First Letter in Angular with a Custom ...
stevenlacks.blogspot.com
Programming, Marketing, Humor
-
The Official Microsoft ASP.NET Site
www.asp.net
ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.
-
jakubroztocil/httpie
github.com
httpie - HTTPie is a command line HTTP client, a user-friendly cURL replacement.
-
Twitter / Recherche - #worldcup
twitter.com
Le meilleur des derniers Tweets à propos de #worldcup. Lisez ce que les gens disent et rejoignez la conversation.
-
Small Business Guide to Understanding Web Design and Development |
www.callthemarketingguy.com
There are many technologies and resources out there to help you build web sites and applications. It can get really confusing, even to seasoned web ...
-
Social Media Jobs |
www.callthemarketingguy.com
Call The Marketing Guy Digital Media based in Tampa FL is looking to grow our team of motivated self starters to work remotely to build residual ...
-
Star Wars Episode VII Cancelled
daynews.us
Star Wars Episode VII Cancelled, Due to a fan uproar over the sequel abandoning the Extended Universe, Star Wars Episode VII has been cancelled until ...
-
Mark Hamill Creates a Dialogue Between The Joker & Luke Skywalker, Star ...
www.youtube.com
Mark Hamill does a great impromptu dialogue between The Joker (a role he has voiced for years) and Luke Skywalker! This was at A Conversation with ...
-
An American just docked at the International Space Station, and his ...
www.washingtonpost.com
Houston, we have a rock star.


MassMedia v0.8.5 documentation
In version 0.8 preliminary support for external services was added. The first service supported was creating a Collection of a youtube.com playlist.
Creating a collection from a YouTube playlist will not import the videos on the playlist. Because you can change the playlist independently of the Django admin interface, it would be difficult to keep it in sync with YouTube. It is easy to use the Google YouTube API to get all the videos dynamically. See YouTube Collections and Templates.
The YouTube API requires 3 settings, EMAIL, USERNAME, PASSWORD:
MASSMEDIA_SERVICES = {
'YOUTUBE': {
'EMAIL': '',
'USERNAME': '',
'PASSWORD': '',
},
}
YouTube has several different URLs that reference the playlist, depending on how you get to the playlist page.
If you go to any user’s page and click on the “Playlists” button
you can select a playlist from the list on the right.
The address bar address will change to look similar to:
http://www.youtube.com/washingtontimes#p/c/4A35EB2544D73557
If you go to My Videos & Playlists
and select Playlists from the list on the left.
You can use the Link: field URL; which is formatted like:
http://www.youtube.com/view_play_list?p=4A35EB2544D73557
If you look at the URL in the Embed: field, it contains a URL like:
http://www.youtube.com/p/4A35EB2544D73557?hl=en_US&fs=1
This URL requires you to chop off the question mark and everything after it:
http://www.youtube.com/p/4A35EB2544D73557
For information on displaying the collection, see YouTube Collections and Templates.


|
GroupListWidget Pile
version 0.0.1
The pile attempts to provide a widget that is capable of presenting
|
A list widget that can group the items. More...
#include <grouplistwidget.h>
Public Slots | |
| void | setViewMode (QListView::ViewMode value) |
| Place text to the right ("list") or to the bottom ("icon") | |
| void | setFlow (QListView::Flow value) |
| Arrange items from left to right or from top to bottom. | |
| void | setPixmapSize (int value) |
| Change the size of the icons. | |
| void | increasePixSize () |
| Change the size of the icons. | |
| void | decreasePixSize () |
| Change the size of the icons. | |
Signals | |
| void | currentLVItemChanged (int row) |
| Informs that current item has changed. | |
| void | currentLVItemChangedEx (int row_in_base, int row_in_list, int gsm) |
| Informs that current item has changed. | |
Public Member Functions | |
| GroupListWidget (QWidget *parent=NULL) | |
| Default constructor. More... | |
| virtual | ~GroupListWidget () |
| Destructor. More... | |
| void | setBaseModel (QAbstractItemModel *model) |
| Sets the user model in underlying model and updates the view. More... | |
| QAbstractItemModel * | baseModel () const |
| Retreive user model from underlying model. More... | |
| void | setUnderModel (GroupModel *model) |
| Sets the underlying model and updates the view. More... | |
| GroupModel * | underModel () const |
| Retreive underlying model. | |
| GroupModel * | takeUnderModel (GroupModel *other=NULL) |
| Take ownership of underlying model. More... | |
| void | appendToMenu (QMenu *menu) |
| Adds actions for sorting, grouping to the menu. More... | |
| void | appendGroupToMenu (QMenu *menu) |
| Adds actions for grouping to the menu. | |
| void | appendSortToMenu (QMenu *menu) |
| Adds actions for sorting to the menu. | |
| void | appendLayoutToMenu (QMenu *menu) |
| Adds actions for arranging the items to the menu. | |
| QListView::ViewMode | viewMode () const |
| Place text to the right ("list") or to the bottom ("icon") | |
| QListView::Flow | flow () const |
| Arrange items from left to right or from top to bottom. | |
| int | pixmapSize () const |
| Arrange items from left to right or from top to bottom. | |
| QSize | gridCell () |
| Arrange items from left to right or from top to bottom. | |
| QSize | computeGridCell () const |
| Arrange items from left to right or from top to bottom. | |
| QAbstractItemDelegate * | listDelegate () const |
| The delegate used with list items, if any. | |
| void | setListDelegate (QAbstractItemDelegate *value) |
| Set the delegate to be used with list items. More... | |
| QAbstractItemDelegate * | takeListDelegate (QAbstractItemDelegate *value=NULL) |
| Set the delegate to be used with list items. More... | |
Protected Member Functions | |
| void | contextMenuEvent (QContextMenuEvent *event) |
| Implement a default contextual menu. | |
| void | resizeEvent (QResizeEvent *e) |
| The widget is being resized. | |
| void | wheelEvent (QWheelEvent *) |
| Change the size of the image using the wheels. | |
Friends | |
| class | GrpTreeDeleg |
A list widget that can group the items.
For simplest use case the user must install at least a base model using setBaseModel().
The instance will always have an internal model accesible by using underModel(). At construction time and if the user calls takeUnderModel() with no arguments a default GroupModel is created and used. setUnderModel() will refuse to install a NULL model.
The instance owns the internal GroupModel that is destroyed in the destructor. To avoid the destructor the user may choose to takeUnderModel() before the destructor kicks in.
| GroupListWidget::GroupListWidget | ( | QWidget * | parent = NULL | ) |
Default constructor.
For the instance to be usable a model needs to be installed.
|
virtual |
Destructor.
The destructr will also destruct internal model.
| void GroupListWidget::appendToMenu | ( | QMenu * | menu | ) |
Adds actions for sorting, grouping to the menu.
The method simply uses more specialized methods to insert actions for grouping, sorting and laying out the items (in this order).
All actions are constructed on the fly and are parented in their respective menu. As a result, when menu gets destroyed the same happens to all actions and menus created by this method.
| menu | The menu where new components will be appended. |
| QAbstractItemModel * GroupListWidget::baseModel | ( | ) | const |
Retreive user model from underlying model.
This is a convenience function that inquires internal model for base model that it uses. It is equivalent to:
| void GroupListWidget::setBaseModel | ( | QAbstractItemModel * | model | ) |
Sets the user model in underlying model and updates the view.
This is a convenience function that installs the base model into internal model. It is equivalent to:
| model | The model that provides the data to sort, group and present. |
| void GroupListWidget::setListDelegate | ( | QAbstractItemDelegate * | value | ) |
Set the delegate to be used with list items.
The widget takes ownership of the provided pointer and it will destroy it in its own destructor. Use takeListDelegate to avoid this behaviour.
| value | new delegate to use or NULL to revert to using default delegate. |
| void GroupListWidget::setUnderModel | ( | GroupModel * | model | ) |
Sets the underlying model and updates the view.
Please note that - most of the tme - you do not need to derive a class from GroupModel. Instead, install your own model inside the default GroupModel instance and provide a customizer.
This instance takes ownership of provided pointer. Currently installed model will be deleted by this method. To avoid this use takeUnderModel() prior to calling this method.
| model | The instance to use as internal model. |
| QAbstractItemDelegate * GroupListWidget::takeListDelegate | ( | QAbstractItemDelegate * | value = NULL | ) |
Set the delegate to be used with list items.
The widget takes ownership of the provided pointer and it will destroy it in its own destructor. Use takeListDelegate to avoid this behaviour.
| value | new delegate to use or NULL to revert to using default delegate. |
| GroupModel * GroupListWidget::takeUnderModel | ( | GroupModel * | other = NULL | ) |
Take ownership of underlying model.
| other | A replacement to be installed in this instance; if NULL is provided a default instance will be constructed. |


We have blockchain!
- morph robust bandwidth
- cultivate frictionless bandwidth
- maximize one-to-one networks
- redefine seamless technologies
- syndicate B2C supply-chains
- extend cross-media e-tailers
- repurpose cutting-edge partnerships
- streamline best-of-breed e-commerce
- transition collaborative metrics
- strategize synergistic supply-chains
- integrate viral relationships
- e-enable ubiquitous platforms


Priest Sinis:
You look exhausted, traveler! May this Holy Water quench your thirst and restore your strength.
You truly have kind eyes and, if I do not mistake, a pure soul. I have no pretensions as a teacher, but I will offer you whatever I have.
Are you interested in leading a life of faith?
Learn skills.
Ask about Skill Transfer.
Ask about Skill Enchanting.
Quest


class: left, middle # **Open Science and Reproducibility**
 ## An Introduction

 ### **Luna L. Sánchez Reyes** ### University of California, Merced

 QSB Grad Phylogenetics Lecture April 15, 2020 · Merced, California
 Find the code for these slides [

here](https://github.com/lunasare/slides/blob/master/reproducibility-2020-04-15.Rmd). --- class: bg-teal    # What is Open Science?
 ##
[Read](https://link.springer.com/chapter/10.1007/978-3-319-00026-8_2)
Fecher B., Friesike S. (2014) **Open Science: One term, five schools of thought**. *In:* Bartling S., Friesike S. (eds) Opening Science. Springer, Cham.
 --- class: bg-teal # List some characteristics of Open Science: - - - --- class: bg-orange # Take away

 -- # Reproducibility ≠ Open Science

 -- ## But a key aspect to it!

 -- # Also, doing open science is hard --- class: split-10 bg-light-blue .row[.content[ # **Why** should I make my analyses reproducible ]] .row.split-two[ .column[.content[
 ## It is good for science... potentially
 ## Importance of reproducibility for you: - develop a framework for writing narratives around code and data - speed your research advance and discovery - redo analyses faster - make your research known faster - establish yourself as a trustworthy researcher(?) - understand other research faster ]] .column[.content.v40.center[ ![Science cat](https://github.com/annakrystalli/talks/raw/master/assets/science-cat.jpg) ]] ] --- class: bg-pink center

 # **How** do I make my analyses reproducible? --- class: split-10 .row[.content[ #   1) Version control ]] .row.split-two[ .column[.content.center.v40[    ]] .column[.content[ Or management of changes to documents, computer programs, large web sites, and other collections of information.

 ## Why? - Prevent messy file-naming situations - Avoid loss of work, resources and time ## How? We are going to use an open source (free for use) version control software called `git`

 And a website that allows to store git outputs online while collaborating with others, called `Github` ]] ] --- class: split-10 .row.bg-pink[.content[ # Hands on
]] .row[.content.pad10px[

 ## Go to terminal and check that you have `git` installed by running the command: ```{} git version ```
 ###   More on [git](http://annaken.github.io/intro_to_git_course/#/) and installation instructions.

 ## Go to your [Github](https://github.com/) account or create an account if you do not have one yet. ]] --- class: split-10 .row[.content[ #   2) A self-contained file structure ]] .row.split-two[ .row.split-two[ .column[.content.pad10px[
 ## Why? - Keep all materials associated with a particular analysis in the same place - The working directory can be set to the one root directory of the project - Fresh environment everytime you start working (= faster debugging and testing) ]] .column[.content[

  ]] ] .row[.content.center[
 ## How? Premise: One local project - one Github repo Option 1: `Fork and clone` a project from `Github`. Option 2: Create a `new project` in RStudio and initialize it with `git`. ]] ] --- class: split-10 .row.bg-pink[.content[ # Hands on 🗃 ]] .row[.content.pad10px[
 ## Option 1

 ### Go to this repo on Github <https://github.com/LunaSare/project-reproducibility> ### Press the fork button, to add a copy of this repo to your profile ### Once in your profile, press the clone button -- copy that -- go to terminal, and do: ```{} git clone ``` ## Option 2

 ### From Rstudio go to File > New Project > New Directory ### Make sure to tick the `Create a git repository` box ]] --- class: split-10 .row[.content[ #   3) A markup language for reports ]] .row.split-two[ .column[.content.center[
 ## Wait, **why** not Word? ![word clip](https://media.giphy.com/media/13V60VgE2ED7oc/giphy.gif) Have you tried opening a word document with a text editor??? It is ***not*** human-readable... For the purposes of version control, we prefer markup languages: human-readable, plain-text documents that use tags to define elements and give format to documents. ]] .column[.content.center.v30[
 ## How? There are many markup languages around: html, xml, markdown, latex We will focus on markdown for the purpose of this hands on. ]] ] --- class: split-1-2-1 .row.bg-amber[ ] .row[.content.vmiddle.center[ # markdown crash course! ]] .row.bg-amber[ ] --- class: split-two .column.split-10[ .column.bg-pink[ ] .column.split-two.bg-blue[ .row.split-five[ .row[.content[ # markdown ]] .row[.content[ ##   uses hashtags #⃣ ]] .row[.content.vmiddle[ ###     to create headers ]] .row[.content.vmiddle[ ####           up to 5 levels, I think... ]] .row[.content[ #####                 yes!!! ]] ] .row.split-two[ .column[.content.v30[ - Use hyphens - or an asterisk - to create a list - of some - things ]] .column[.content.v30[ 1. Use numbers 1. to create a 1. numbered list 1. of some 1. other things ]] ] ] ] ] ] .column.slide-in-right.split-two.bg-amber[ .row.split-five[ .row[.content[ ```{} # markdown ``` ]] .row[.content[ ```{} ## uses hashtags #⃣ ``` ]] .row[.content[ ```{} ### to create headers ``` ]] .row[.content[ ```{} #### up to 5 levels, I think... ``` ]] .row[.content[ ```{} ##### yes!!! ``` ]] ] .row.split-two[ .column[.content.v30[   \- Use hyphens   \\\* or an asterisk   \- to create a list   \- of some   \- things ]] .column[.content.v30[ .transp[\]1. Use numbers .transp[\]1. to create a .transp[\]1. numbered list .transp[\]1. of some .transp[\]1. other things ]] ] ] ] --- class: split-two name: markdown2 .column.split-10[ .column.bg-pink[ ] .column.split-four.center[ .row.bg-light-blue[.content.font_medium[ markdown emphasizes text with *italics*, **bold**, or ***both*** using 1, 2, or 3 asterisks respectively, at each side of the text ]] .row.bg-blue[.content.font_medium.v20[ Add links to [external sites](https://www.markdownguide.org/basic-syntax/) or [internal sections](#internal) of the document ]] .row.bg-light-blue[.content.font_medium[ Add linked URLs <https://www.markdownguide.org/basic-syntax/> ]] .row.bg-blue[.content[ Create horizontal rules with three or more asterisks, dashes, or underscores ****** ______ ______ ]] ] ] .column.split-four[ .row.bg-amber[.content.v20[ ``` markdown emphasizes text with *italics*, **bold**, or ***both*** using 1, 2, or 3 asterisks respectively, at each side of the text ``` ]] .row.bg-orange[.content.v20[ ``` Add links to [external sites](https://www.markdownguide.org/ basic-syntax/) or [internal sections](#internal) of the document ``` ]] .row.bg-amber[.content.v30[ ``` Add linked URLs <https://www.markdownguide.org/basic-syntax/> ``` ]] .row.bg-orange[.content.v10[ ``` Create horizontal rules with three or more asterisks, dashes, or underscores ****** ------ ______ ``` ]] ] --- class: split-10 .row.bg-pink[.content[ # Hands on 🚀 ]] .row[.content.pad10px[

 ### Go to the README.md file of the project you just generated ### Edit it on RStudio according to your own project, using markdown ### Save the changes ### Save this version with git: ###   Go to your terminal -- navigate to your project directory with `cd` ###   Run the commands: ```{} git add . git commit -m "a message describing the changes you made" git push ``` ## 🎉 You've made your first version control commit 🎉 ]] --- class: split-1-2-1 .column.bg-pink[ ] .column[.content.center.vmiddle[ # We're not stopping there... ]] .column.bg-pink[ ] --- class:split-10 .row.split-30.slide-in-left[ .column.bg-blue[ ] .column[.content.vmiddle[ #   Use R Markdown! ]] ] .row.split-60[ .column[.content.center.font_medium[ .font2[Why?] .left[Effectively *understands* most markup languages] .right[Not only ***include*** code, but ***run*** the code] .left[Change formatting for any journal in seconds] .right[Include citations and format them] .left[Automatically include a reference list in any
 format you need] .right[Render to different file formats, including word 😜] .left[And last, but not least:
   Easily add emojis and icons] ]] .column.split-two[ .row[.content[ ] ] .row.slide-in-right[.content.center.vmiddle[ .font2.bg-blue[How?]
 .font3.bg-blue[RStudio] ]] ] ] --- class: split-1-2-1 center .row.bg-blue[ ] .row[.content.vmiddle[ # Let's get to it! ]] .row.bg-blue[ ] --- class: split-four, left .row[.content.vmiddle.center[ #Installing the necessary .blue[R packages] ]] .row.bg-blue.slide-in-left[.content.center.v40[ ###   Install any package in
with the function .orange.font-mono[install.packages()] ]] .row.bg-amber.slide-in-right[.content.center.v40[ ##  We will need the packages .blue.font-mono[rmarkdown], .blue.font-mono[knitr], and .blue.font-mono[citr] ]] .row[.content.v40[ ###   Open R and do .blue.font-mono[install.packages(c("rmarkdown", "knitr", "citr"))] ]] --- class: split-1-2-1, center .row[.content.vmiddle[ #Creating a new .blue[R markdown] file ]] .row.split-two[ .column.bg-amber[.content.v40[ ### Open a new .Rmd file from RStudio
 at .blue[File] > .blue[New File] > .blue[R Markdown]. ]] .column.slide-in-right[.content.v40[ ### This will generate a .amber[template] of an .Rmd file ]] ] .row.slide-in-left[.content.vmiddle[ ### Alternatively, open an empty file an save it as an .blue[.Rmd file] ]] --- class: split-20 .row[.content[ #   All R markdown files have two main sections ]] .row.split-30[ .row.slide-in-left.split-two[ .column[.content.center.font-small[ ### A header, that is called 🍠 the YAML 🍠 It sets up various formatting and rendering
 options for your report. ]] .column.bg-amber[.content[ ```yaml --- title: "A report on R markdown possibilities" output: html_document --- ``` ]] ] .row.slide-in-right.split-two[ .column[.content.center.v40[ ###
And the text and code section
Which contains your actual report! ]] .column.bg-amber[.content[ ```` ``{r setup, include=FALSE} knitr::opts_chunk$set(echo = TRUE) `` ## R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see <http://rmarkdown.rstudio.com>. When you click the **Knit** button a document will be generated that includes both content as well as the output of any embedded R code chunks within the document. You can embed an R code chunk like this: ``{r cars} summary(cars) ``` ```` ]] ] ] --- class: split-20 .row[.content[ # 🍠 Customizing the YAML header options 🍠 ]] .row.split-three[ .row.split-two.slide-in-left[ .column[.content.left.v40[ .right[Open the YAML header with --- ] The only option you *have* to include in the yaml <br/> is the .light-green[output] option. It specifies instructions for document rendering, i.e., <br/> the final format of the report: .light-green[word], .light-green[pdf], or .light-green[html]. ]] .column.bg-light-green[.content[ ```yaml --- output: word_document: default pdf_document: default html_document: default ``` ]] ] .row.split-two.slide-in-right[ .column[.content.center.v40[ You can add any number of parameters with <br/> the .light-blue[params] option. Include any of these in your report using <br/> .light-blue['r params$name_of_your_param'] to avoid repeating yourself! ]] .column.bg-light-blue[.content[ ```yaml params: title: "A report on R markdown possibilities" date: April 15, 2020 place: "Merced, California" ``` ]] ] .row.split-two.slide-in-left[ .column[.content.right.v40[ Add a .pink[bibliography] option pointing to a [.bib file](https://www.economics.utoronto.ca/osborne/latex/BIBTEX.HTM) <br/> Any citation manager should be able to <br/> export your references to a .bib file .left[Close the YAML header with --- ] ]] .column.bg-pink[.content.v40[ ```yaml bibliography: my_references.bib --- ``` ]] ] ] --- class: split-30 .row.split-two[ .row[.content[ #
Edit the text and code section
<br/> ]] .row[.content[ <!-- ###   Besides all the markdown features that we [already saw](#markdown): --> ## .color-main3[Add citations] along the text using the .amber[@ tags] from the .bib file: ]] ] .row.split-two[ .column.slide-in-left.bg-purple[.content.v30[ ### This ```{} Characteristics of Open Science, following @Fecher2014: "Our professional network is valuable. It is also limited. Perhaps there are people who are well-placed to help us, in another university or company, in a different country, but we unfortunately do not know them. Surely science would proceed faster if we could reach those people? Or, better, if they could find us?"[@woelfle2011open; @Fecher2014] ``` ]] .column.slide-in-right[.content.v40[ ### Becomes this .font0-85[Characteristics of Open Science, following .color-main3[Fecher and Friesike (2014)]: <br/> “Our professional network is valuable. It is also limited. Perhaps there are people who are well-placed to help us, in another university or company, in a different country, but we unfortunately do not know them. Surely science would proceed faster if we could reach those people? Or, better, if they could find us?” .color-main3[(Woelfle, Olliaro, and Todd 2011; Fecher and Friesike 2014)].] ]] ] --- class: split-30 .row.split-two[ .row[.content[ #
Edit the text and code section
<br/> ]] .row[.content[ ## .blue[Add a list of references] at the end of the document by typing .amber[References]: ]] ] .row.split-two[ .column.slide-in-left.bg-indigo[.content.v10[ ### This ```{} "Our professional network is valuable. It is also limited. Perhaps there are people who are well-placed to help us, in another university or company, in a different country, but we unfortunately do not know them. Surely science would proceed faster if we could reach those people? Or, better, if they could find us?"[@woelfle2011open; @Fecher2014] References ``` ]] .column.slide-in-right[.content.v40.pad10px[ ### Becomes this .font0-85[ “Our professional network is valuable. It is also limited. Perhaps there are people who are well-placed to help us, in another university or company, in a different country, but we unfortunately do not know them. Surely science would proceed faster if we could reach those people? Or, better, if they could find us?” .purple[(Woelfle, Olliaro, and Todd 2011; Fecher and Friesike 2014)]. .font_medium[References] Fecher, Benedikt, and Sascha Friesike. 2014. “Open Science: One Term, Five Schools of Thought.” In Opening Science: The Evolving Guide on How the Internet Is Changing Research, Collaboration and Scholarly Publishing, edited by Sönke Bartling and Sascha Friesike, 17–47. Cham: Springer International Publishing. https://doi.org/10.1007/978-3-319-00026-8_2. Woelfle, Michael, Piero Olliaro, and Matthew H Todd. 2011. “Open Science Is a Research Accelerator.” Nature Chemistry 3 (10): 745–48. 2 ] ]] ] --- class: split-30 .row.split-two[ .row[.content[ #
Edit the text and code section
<br/> ]] .row[.content[ ## .teal[Add R code] along the text using .amber[backticks] and .amber[curly braces]: ]] ] .row.split-two[ .column.slide-in-left.bg-teal[.content.v30[ ### This code chunk ````markdown ```{r eval = FALSE, echo = TRUE} library(ape) data(chiroptera) str(chiroptera) ``` ```` ### And this inline code You can know th enumberof tips in your Chiroptera tree with `length(chiroptera$tip.label)`. ]] .column.slide-in-right[.content.v30[ ### renders this ``` ## List of 3 ## $ edge : int [1:1344, 1:2] 917 918 919 920 920 921 922 922 921 923 ... ## $ tip.label: chr [1:916] "Paranyctimene_raptor" "Nyctimene_aello" "Nyctimene_celaeno" "Nyctimene_certans" ... ## $ Nnode : int 429 ## - attr(*, "class")= chr "phylo" ``` ### will render this My Chiroptera tree has 916 tips. ]] ] --- class: split-30 .row.split-two[ .row[.content[ #
Edit the text and code section
<br/> ]] .row[.content[ ## .green[Embed the output of R code] along the text using .amber[backticks] and .amber[curly braces]: ]] ] .row.split-two[ .column.slide-in-left.bg-light-green[.content.v30[ ### This code chunk ````markdown ```{r eval = TRUE} library(ape) data(chiroptera) str(chiroptera) ``` ```` <!-- tip to embed code from here https://support.rstudio.com/hc/en-us/articles/360018181633-Including-verbatim-R-code-chunks-inside-R-Markdown AND HERE FOR JENNY BRYAN's COMPENDIUM: https://rmarkdown.rstudio.com/articles_verbatim.html --> ### And this inline code My Chiroptera tree has ``` `{r} length(chiroptera$tip.label)` ``` tips. ]] .column.slide-in-right[.content.v30[ ### renders this ``` ## List of 3 ## $ edge : int [1:1344, 1:2] 917 918 919 920 920 921 922 922 921 923 ... ## $ tip.label: chr [1:916] "Paranyctimene_raptor" "Nyctimene_aello" "Nyctimene_celaeno" "Nyctimene_certans" ... ## $ Nnode : int 429 ## - attr(*, "class")= chr "phylo" ``` ### will render this My Chiroptera tree has 916 tips. ]] ] --- class: split-40 .row.split-30[ .row[.content[ #
Edit the text and code section
<br/> ]] .row[.content[ ## .deep-orange[Add a plot] without showing the code by setting .amber[echo] to .amber[FALSE] <br/> Control its quality with the .amber[fig.retina] option and its size with .amber[fig.height] and .amber[fig.width]: ]] ] .row.split-60[ .column.slide-in-left.bg-deep-orange[.content[ ### This code chunk <br/><br/><br/> <pre><code>```{r eval = TRUE, echo = FALSE, fig.height = 5, fig.retina = 3} plot(chiroptera, type = "c", cex = 0.3) ```</code></pre> ]] .column.slide-in-right[.content[ ### renders this <img src="reproducibility-2020-04-15_files/figure-html/unnamed-chunk-4-1.png" width="504" /> ]] ] --- class: split-30 .row.split-two[ .row[.content[ #
Edit the text and code section
<br/> ]] .row[.content[ ## .deep-purple[Add a table] with some formatting with the function .amber[kable] from the .amber[knitr] package: ]] ] .row.split-40[ .column.slide-in-left.bg-deep-purple[.content[ ### This code chunk <br/><br/> <pre><code>```{r eval = TRUE, echo = FALSE} knitr::kable(iris[1:5, ], caption = 'A caption') ```</code></pre> ]] .column.slide-in-right[.content[ ### Becomes this <br/><br/> Table: A caption Sepal.Length Sepal.Width Petal.Length Petal.Width Species ------------- ------------ ------------- ------------ -------- 5.1 3.5 1.4 0.2 setosa 4.9 3.0 1.4 0.2 setosa 4.7 3.2 1.3 0.2 setosa 4.6 3.1 1.5 0.2 setosa 5.0 3.6 1.4 0.2 setosa ]] ] --- class: split-40 .row.split-two[ .row[.content[ #
Edit the text and code section
<br/> ]] .row[.content[ ## Control your .deep-orange[code variables] globally by setting options on the .amber[setup chunk], i.e., the first R code chunk on the .Rmd file: ]] ] .row.split-60[ .column.slide-in-left.bg-deep-orange[.content.v40[ <pre><code>```{r setup} knitr::opts_chunk$set(fig.retina = 3, warning = FALSE, message = FALSE) ```
 ]] .column.slide-in-right[.content.v40.center[ ### These can be individually overriden on each chunk, in case you want to show a code warning, for example. ]] ]  --- class: split-four, left .row[.content.vmiddle.center[ #Rendering the .blue[documents] ]] .row.bg-amber.slide-in-right[.content.center.v40[ ##  We will use the .blue.font-mono[render()] function from the .blue.font-mono[rmarkdown] package ]] .row.bg-blue.slide-in-left[.content.center.v40[ ### Run
 .orange.font-mono.font0-85[rmarkdown::render("my_report.Rmd", output_format = "all")]
 to generate a report in all formats defined on the yaml ]] .row[.content.v40.center[ ### Alternatively, use the 🧶 .blue[knit button] 🧶 from RStudio ]] --- class: split-20 .row[.content.vmiddle[ #   These are my rendered documents! ]] .row.split-three[ .column.bg-red[.content.center[  ]] .column.bg-blue[.content.center[  ]] .column.bg-orange[.content.center[  ]] ] --- background-image: url("https://media.giphy.com/media/DUtSpDzxZZwPu/giphy.gif") background-position: 50% 65% background-size: 650px ## Questions? --- name: internal class: split-two .column[.content.vmiddle[ ## References - [The Turing Way](https://the-turing-way.netlify.app/introduction/introduction.html) - [Anna Krystalli's Reproducible Research Talk](https://annakrystalli.me/talks/r-in-repro-research-dc.html#1) ]] .column[.content.center[ ### [Go back](#markdown2) to the markdown crash course 🚀  ]]


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To quickly restore the wallet, type the words of your mnemonic into the text box below, and you will get a list of index numbers for the words.
You can use the "Index restore" option to quickly restore the wallet, rather than typing each word individually. Do this before executing the operation, as the browser will become locked while the BitLox is restoring the wallet.
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pbmtoybm(1) pbmtoybm(1) NAME pbmtoybm - convert a portable bitmap into a Bennet Yee "face" file SYNOPSIS pbmtoybm [pbmfile] DESCRIPTION Reads a portable bitmap as input. Produces as output a file acceptable to the face and xbm programs by Bennet Yee (bsy+@cs.cmu.edu). SEE ALSO ybmtopbm(1), pbm(5), face(1), face(5), xbm(1) AUTHOR Copyright (C) 1991 by Jamie Zawinski and Jef Poskanzer. 06 March 1990 pbmtoybm(1)


Calculate expected principal loan from monthly payments
Monthly payment:
Annual interest rate (%):
Number of years:
Calculate
Total principal loan:
Total interest:


Class AppendRowsResponse (2.4.0)
AppendRowsResponse(mapping=None, *, ignore_unknown_fields=False, **kwargs)
Response message for AppendRows
.
This message has oneof
_ fields (mutually exclusive fields).
For each oneof, at most one member field can be set at the same time.
Setting any member of the oneof automatically clears all other
members.
.. _oneof: https://proto-plus-python.readthedocs.io/en/stable/fields.html#oneofs-mutually-exclusive-fields
Attributes
| Name | Description |
| append_result |
google.cloud.bigquery_storage_v1beta2.types.AppendRowsResponse.AppendResult
Result if the append is successful. This field is a member of `oneof`_ ``response``. |
| error |
google.rpc.status_pb2.Status
Error returned when problems were encountered. If present, it indicates rows were not accepted into the system. Users can retry or continue with other append requests within the same connection. Additional information about error signalling: ALREADY_EXISTS: Happens when an append specified an offset, and the backend already has received data at this offset. Typically encountered in retry scenarios, and can be ignored. OUT_OF_RANGE: Returned when the specified offset in the stream is beyond the current end of the stream. INVALID_ARGUMENT: Indicates a malformed request or data. ABORTED: Request processing is aborted because of prior failures. The request can be retried if previous failure is addressed. INTERNAL: Indicates server side error(s) that can be retried. This field is a member of `oneof`_ ``response``. |
| updated_schema |
google.cloud.bigquery_storage_v1beta2.types.TableSchema
If backend detects a schema update, pass it to user so that user can use it to input new type of message. It will be empty when no schema updates have occurred. |
Inheritance
builtins.object > proto.message.Message > AppendRowsResponseClasses
AppendResult
AppendResult(mapping=None, *, ignore_unknown_fields=False, **kwargs)
AppendResult is returned for successful append requests.


An absolute link leading to example.com
A relative link leading to subfoldersubfolder
A root-based link leading to a parallel page otherpage.html.
An absolute referenced image:
A relatively referenced image:
A root referenced image (same as the absolute one):
An image with delayed loading as per JQuery convention:
| Single cell |


This is the title of an article
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If you like what I write, you might like to follow me on Twitter @markconroy
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Comments
more details on Emulsify
Hi can you please give us more details on why this approach does not work with the Emulsify theme?
Hi Ipwa, There is no reason…
Hi Ipwa,
There is no reason why this approach would not work with the Emulsify theme, but since they have already got a way to use responsive images built into the theme, there is no reason to re-invent the wheel.
I don't know a huge amount about Emulsify, as I don't use it myself. This tutorial is just my personal approach.
Add new comment


Hi.
I'm a PhD student studying Computer Science at University of Chicago. I did my undergraduate at Princeton University, and am originally from Ottawa, Canada (eh)!
My research interests are in databases, data/code lineage, and system for machine learning. My advisor is Sanjay Krishnan, and I'm a part of the ChiData Group . A couple selected projects: a storage and query system for fine grained data provenance (Github), behavior-based table metadata capture (Github), and video object recognition error analysis (Github).
The overarching question that I'm currently enthusiastic about in research is: (1) How do we create fundamental systems/tools to support programming and data science workflows?
You can contact me at: j [two] zhao [at] uchicago [dot] edu


Hello,My name is Simisola Shoremi. I am 18 years old and a student Mass communication,Unilag. I am the only girl and the first child of three. My hobbies includes:
I am hardworking and dedicated to whatever i have passion in. I hope i am able to learn and become an expert at coding
My name is Simisola favour Shoremi.I am 18 years old and a student of Mass communication, Unilag. I am the first of three chilren and the only girl.My hobbies incudes;
I am hardworking and always dedicated to whatever i have passion in. I hope i am able to learn and become an expert at coding.


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I've been experimenting with with various herbs for the treatment of anxiety and mild depression for a while and one combination I've tryed yielded some quite nice results so I shall share...
A blend of 1 part Nelumbo Nucifera (sacred lotus) and 1 part Skullcap, both known for their anti anxiety properties, taken at around 11:30 pm. The first time I tried it I was sitting on the sofa watching t.v when I rolled my head over and found a spot of incredible comfort, it was perfect, I didn't want to move, but I eventually did and went to bed for a very good hard sleep.
After making note of this good combination I tried it again a few nights later but this time I went straight to bed and found myself to be sedated but my mind was awake and the thoughts were flowing freely. I had a good think about the nature of existance and decided upon a paralell between vision and existence in that my vision didn't just suddenly stop at the edges but it merely fades away from conscienceness and that behind vision was blindess which ties in with the ying and yang in the you can't have the light without the dark.
I mean don't go thinking the herbs made me think these things, they calmed my mind and allowed me to open my thought processes, basically it makes a great meditive aid.
Experience Reports are the writings and opinions of the individual authors who submit them.
Some of the activities described are dangerous and/or illegal and none are recommended by Erowid.


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Allen Sussman
Data Scientist, Back-End Engineer, and Music Nerd
github.com/allensussman
Kelly Dern
Designer, Front-End Developer, and Chocolatier
github.com/kellydern


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Straw poll -
@a_dev_musing
Rory was writing mobile games when Nokia Snake was the height of technology, long before it was cool.
He was doing novel research on dynamic network protocols to replace TCP/IP, which was when a cluster was more likely to refer to a collection of peanuts than a collection of server computers.
He shows people around an old windmill in southern England at the weekends.
And he is a black belt in a martial art that I cannot pronounce, with the superpower of sword fighting.
So believe me, you really don’t want to be waiting on your compiler with Rory around!
@fommil
netlib-java
underpinning Apache SparkFreeHighSchoolScienceTexts No Evidence he ever got back from the Mun
It is time to build our own IDE!
End with ‘Demo Time!’
(set-frame-font “Inconsolata-24”) (required ’command-log-mode t) (global-command-log-mode) (setq guide-key/guide-key-sequence nil)
sleep 2 ; recordmydesktop –no-sound –on-the-fly-encoding –no-frame -o ensime.ogv
Rough script, for a walkthrough:
scala-mode2
and show regex syntax highlighting.ensime
and comment on the sbt
deploy process.This is an architectural overview of the internals of the ensime-server, which is bounded here by the dotted lines.
The text editor communicates with the server via SWANK, which is a bidirectional TCP/IP sockets protocol using S-Expressions as the language. This is really convenient for emacs. We’ll talk about protocols later because we really don’t see ENSIME as being an emacs only library.
The server runs locally, so it also has direct access to the files on the disc and can watch for changes without needing to be told about them. This is typically used for detecting changes in the compiled files rather than looking for changes in source code.
And when the server is started, it needs to be given a .ensime
file which defines the project layout. This is typically generated by the build tool.
Inside the server, everything goes via the central Project class which effectively just delegates to the relevant sub-component. The two big parts are the Search Service and the Analyzer:
We’ve had various discussions about where the “in/out” line should be and we decided that compilation is definitely on the other side of the line because that’s what build tools are designed to do. But with the possibility of closer integration with the new sbt server, we will see the coupling with sbt, in particular, becoming stronger. But we’re not limiting ourselves to one build tool because the reality is that a large number of corporate development environments are using legacy build systems and we want to support that.
ENSIME isn’t just one project. The server is a Scala project with separate branches to support the three active stable release versions of Scala. (Yes, people are still using Scala 2.9 in production systems).
The compiler API has been quite volatile across versions, so we are not able to offer a single source build. The server jars are published as snapshots to Sonatype, more about that in a few slides.
The emacs client is a completely separate project to the server. It has its own github repository and is published using the emacs package management system MELPA.
Build tool plugins also live in their own repositories. The functionality offered here is typically the ability to generate the .ensime
file, although we might see more functionality in the future, for example, integration with the sbt server or automating the debugging launch process with build tool commands. The plugins are rarely updated, so they are published to Maven Central.
And we have a separate repository for creating our docker images, which is used by the build system. We have an official docker image that is used for each release branch and that has all our hard dependencies pre-loaded (i.e. JDK and sbt), this is published to Docker Hub.
c.f. Benjamin Mako Hill’s talk at LibrePlanet 2013
Benjamin Mako Hill gave a talk at LibrePlanet 2013 did an analysis of projects on github. He showed that the vast majority of projects have one contributor.
ENSIME is a really nice project to work on because it doesn’t have a single owner. Aemon started the project way back in 2010, but myself, Rory and Eric have all been helping out over the last year.
We don’t have a financial backer, so realistic the only way for ENSIME to survive and grow is to have a strong community.
| Author | + lines | - lines |
|---|---|---|
| Aemon Cannon | 62529 | 47989 |
| Sam Halliday | 17505 | 17565 |
| Rory Graves | 12080 | 10156 |
| Eric Daniel | 2958 | 1113 |
| Eugene Burmako | 413 | 151 |
| Jason Fager | 230 | 144 |
| Marc Saegesser | 160 | 324 |
| Fabian | 144 | 45 |
| Alexander Pupeikis | 126 | 20 |
| Jacob Schlather | 66 | 64 |
Matt Russell, John Sullivan, Daniel Spiewak, Radzisław Galler, Toshiyuki Takahashi, Alexander Baier, Peluko, Grégoire Neuville, Igor Shymko, Anatoly Fayngelerin, tbje, Tomás Senart, Mark Schaake, Marc Weber, Felix Geller, toshiyuki takahashi, sksamuel, pashky, William O’Hanley, Wilfred Springer, The Gitter Badger, Steve Jenson, Scalariform, RayRacine, Pawel Kopiczko, Mike O’Connor, Michael Terry, Jack Viers, Ivan Poliakov, Huw Giddens, Hubert Plociniczak, Habibullah Pagarkar, Evgeny Chukreev, Erik Osheim, Eric Sessoms, Deokhwan Kim, Dave Fayram, Bozhidar Batsov, Bas Kok, Alexandre Bertails, Alejandro Pedraza.
Our list of contributors is really quite large.
 So there are quite a lot of people, and the vast majority of contributors jump in with a small bugfix or feature.
| Author | + lines | - lines |
|---|---|---|
| Aemon Cannon | 30959 | 15624 |
| Eric Daniel | 16095 | 15625 |
| Sam Halliday | 2098 | 4131 |
| Radzisław Galler | 1094 | 3183 |
| Grégoire Neuville | 302 | 143 |
| Alexander Pupeikis | 132 | 19 |
| Toshiyuki Takahashi | 69 | 62 |
| Fabian | 59 | 9 |
| Alexander Baier | 57 | 58 |
Robin Green, Łukasz Klich, Paul Sexton, Kirill Kulikov, Erik Assum, Marc Saegesser, ScottyB, Peluko, Eugene Burmako, Matt Russell, Daniel Spiewak, John Sullivan, Jason Fager, Igor Shymko, Anatoly Fayngelerin, tbje, Tyson Hamilton, Tomás Senart, MrBones118, Mark Schaake, Marc Weber, Marc A. Saegesser, Felix Geller, Alejandro Pedraza, toshiyuki takahashi, pdn, pashky, jules, hmgibson23, Wilfred Springer, Sviridov Alexander, Steve Jenson, Scalariform, Sacha Chua, Rory Graves, RayRacine, Mike O’Connor, Michael Terry, Jack Viers, Ivan Poliakov, Huw Giddens, Hubert Plociniczak, Howard Branch, Habibullah Pagarkar, Greg Pfeil, Evgeny Chukreev, Erik Osheim, Deokhwan Kim, Dave Fayram, Dave Aitken, Bozhidar Batsov, Ben Spencer, Bas Kok, Andre Silva, Alexandre Bertails.
It’s a similar story with the ensime-emacs
repository, but the list of names is quite different.
And note that Rory is way down the list. A little known fact is that he doesn’t actually use Emacs at all!
Fundamentally, a good community has to be inclusive, share a common goal, and be fun. As admins we try to encourage that vibe with anyone who comes across us and we recently put in place a formal code of conduct. (Selfishly we heard that some people looking for a project to contribute to had said it was a deciding factor for them, so we put one in place… but obviously it’s a good thing to have just in case.)
Typically when we get a bug report, or a feature request, we’ll offer to help the reporter. If you raise a ticket, you can expect to get pointed at the general area in the code that needs improvement and any changes you make will be quickly reviewed. Often with an avalanche of additional suggestions! :-)
This approach obviously doesn’t always work out, and some tickets might never get closed, but clearly it’s working out pretty well because we get a *lot* of contributors sending one or two PRs and make an improvement.
We take a pragmatic approach to feature and bugfix prioritisation. It’s not like we’re developing a mass consumer website, or a specialist system with business users — everybody who uses ENSIME is a scala developer and should know how to interpret an exception in the logs. That’s why we prefer simple solutions and clear error messages to putting in error handling.
As an example, we recently had a bug report about the server barfing when the config contained a dodgy source zip file. Well, we could write lots of complex code to detect and deal with various kinds of dodgy zipfiles… but we much prefer to throw an exception and then find out how to get the source file excluded in Ivy, and the upstream Nexus. It’s all about doing the simple, often dumb, thing, because that’s easier to maintain.
And we have bounties on a lot of tickets, about $1,000 worth. But nobody wants to claim them even when they close the ticket! What tends to happen is that if someone claims the bounty, they put it back on the project… but we are actually very happy for you to spend it on beer if you’d like! (That was actually the original plan)
Key to survival of ENSIME is ease of contribution, and the only way to manage that is by automating as much of the development process as possible.
We have a strong emphasis on testing (unit, integration, client tests), coverage, shippable docker images (soon to be replaced by drone).
We can do this because of the suite of tests.
Green master
builds are automatically deployed to sonatype snapshots repository, and we use sbt
in the emacs client to do the deployment on the client machine and obtain the classpath. Every time the client updates, or the user types ensime-update
the server deployment will be refreshed.
“Any sufficiently complicated program contains an ad hoc, informally-specified, bug-ridden, slow implementation of half of Common Lisp.”
Yes, ok, so we wrote a lisp interpreter. Actually, we wrote two, but one as emerged as the victor. But it is worth noting that…
“The class of sufficiently complicated programs includes Common Lisp.”
— Robert Morris’ corollary (Y-Combinator)
Let’s talk about lisp for a little bit, or more specifically, S-Expressions.
For the emacs users among you, this is second nature.
An S-Expression is either an atom - symbol, string, number, array, hashmap, etc - or a cons of two S-Expressions, using this parenthesis notation with a dot to separate the two parts.
(a . (b . (c . nil)))
(a b c) ;; list syntax
One of the most amazing things about S-Expressions, and lisp, is that data is code and code is data.
There is no real “list” data type, in the Scala sense, it’s just any structure that ends with the symbol “nil”.
Lists are so common in lisps that this special syntax is introduced.
(:keyA . (valueA . (:keyB . (valueB . nil))))
(:keyA valueA
:keyB valueB) ;; data syntax with keywords
(:file "Foo.scala"
:line 13)
;; complex map structure
((1 2 3) "Foo.scala"
(:key value) 13)
And similarly, other collection types are defined by convention rather than with formal types.
Here we have “data syntax”, using keywords - symbols that begin with a colon - which is really just a list of alternating keywords and values.
And here we have a complex map structure where the first key is a list of numbers and the second key is a data structure.
It’s these “data syntax” structures that make up the majority of the ENSIME protocol, called SWANK.
String
A little bit of history. Back when Aemon started ENSIME, he was taking inspiration from an emacs mode called SLIME, which is a mode for common lisp. SLIME has an external server that runs a binary that natively understands common lisp, as opposed to emacs lisp, and reports back to emacs using the SWANK protocol. Hence, with all that infrastructure in place on the client side, it made sense to base the ENSIME protocol on the SWANK protocol.
But actually, S-Expressions are pretty amazing as a data format. There is the obvious benefit of fast lisp parsers in existence, but even some shortcomings of JSON can be addressed: JSON keys in a map must be String
but in S-Expressions they can be arbitrarily complex, and JSON maps are unordered and you cannot be guaranteed that your parser - or the other side - will preserve map ordering — but S-Expressions are fundamentally ordered.
It’s also possible to encode complex structures into S-Expressions, which again can save time… red/black trees and so on are the obvious example.
But as a potential downside - although some may see it as a positive - there is no official schema for either.
case class TypeAtPointReq(
file: File,
range: OffsetRange
) extends RpcTypeRequest
case class BasicTypeInfo(
name: String,
typeId: Int,
declAs: DeclaredAs,
fullName: String,
typeArgs: Iterable[TypeInfo],
members: Iterable[EntityInfo],
pos: Option[SourcePosition],
outerTypeId: Option[Int]
) extends TypeInfo
Let’s take an example of what SWANK actually looks like. Here we have some random case classes that are part of the ENSIME protocol.
(:swank-rpc
(swank:type-at-point
"<...>/org/ensime/indexer/SearchService.scala"
1858)
7)
(:return
(:ok
(:arrow-type nil
:name "String"
:type-id 7
:decl-as class
:full-name "java.lang.String"
:type-args nil
:members nil
:pos (:type line
:file "<...>/java/lang/String.java"
:line 134)
:outer-type-id nil))
7)
And this is what they look like when they are converted into SWANK.
You can see that the client queries with a number for their request, and the server includes that number in the response.
spray-json
Product
So how do we do generate our SWANK? Where does our S-Expression parser live?
It’s actually a completely independent project within the ENSIME codebase called S-Express and you can use it in your own applications. As a tip of the hat to Emacs, it is licensed under the LGPL rather than the Apache License that the rest of ENSIME uses.
The codebase is heavily inspired by spray-json but we use shapeless to reduce boilerplate. In the future we are going to be using shapeless even more heavily — the first cut of S-Express was written before shapeless was up to the task of full serialisation but now it has certainly caught up.
We don’t just use shapeless because it’s a cool thing to do, most importantly, automatic derivation of messages should make it a lot easier for people to contribute to ENSIME itself — which is entirely in keeping with our goal of increasing ENSIME’s chances of survival.
Unfortunately, we’re currently using heavily customised marshalling rules to match the organically grown legacy format, but when we move onto version 2.0 of the protocol (as Rory will discuss) we can dramatically reduce the amount of code and rely more and more on automatic derivation.
We don’t want to be an Emacs only thing. There is lots of interest from people using other editors and, from a purely selfish point of view, I see those users as potential future contributors.
Therefore we have an active pull request in review which adds a JSON protocol to ENSIME, and we went crazy with shapeless. To implement this, we wrote an automatic deriver for entire families of sealed traits and case classes, with as much customisation as anybody would care to shake a stick at.
And we’re calling the protocol JERK, because we’re hilarious like that.
HList
⇔ case class
Coproduct
⇔ sealed trait
The way the deriver works is a whole talk in itself, so I’m going to gloss over most of the details — but I’d be delighted to talk about it if you have any questions over the break or drinks tonight.
To give a crash course in shapeless, what it provides us is the ability to go between a case class and its generic form — an HList
. You can think of an HList as being a List where the type of every element is encoded in the type of the list. Therefore a list with 4 elements has 4 types in it.
And shapeless provides the generic form for a sealed family, with Coproduct looking a lot like HList but only one of the elements in actually there for any given instance. I like to about it as an HList of Options where exactly one element is defined.
implicit def familyFormat[T](
implicit
gen: LabelledGeneric[T],
sg: WrappedRootJsonFormat[T, gen.Repr],
tpe: Typeable[T]
): RootJsonFormat[T] = new RootJsonFormat[T] {
if (log.isTraceEnabled)
log.trace(s"creating ${tpe.describe}")
def read(j: JsValue): T = gen.from(sg.value.read(j))
def write(t: T): JsObject = sg.value.write(gen.to(t))
}
Now, this code doesn’t actually compile due to some compiler constraints that I’ll explain in the next slide, but it is instructive as the “entry point” into the spray-json-shapeless
layer.
Basically we define an implicit provider of RootJsonFormat[T]
for your T
. For your T
, if it’s a sealed trait or case class, shapeless will automatically create a LabelledGeneric[T]
for us, which allows us to convert into the generic form - an HList
or Coproduct
.
We also ask shapeless for the Typeable[T]
, which simply allows us to print out some debugging information without having to use the reflection API.
And we ask for an implicit WrappedRootJsonFormat[T, gen.Repr]
, then all we need to do is to write an implementation of a marshaller for HList
and Coproduct
— which has type gen.Repr
— and that is actually a lot simpler than it sounds but you’ll have to go and read the code to see how we did it.
All we do in read/write is convert to/from the generic representation and call its read/write implementation.
But the compiler doesn’t like two things here:
gen.Repr
WrappedRootJsonFormat
. implicit def familyFormat[T, Repr](
implicit
gen: LabelledGeneric.Aux[T, Repr],
sg: Lazy[WrappedRootJsonFormat[T, Repr]],
tpe: Typeable[T]
): RootJsonFormat[T] = new RootJsonFormat[T] {
if (log.isTraceEnabled)
log.trace(s"creating ${tpe.describe}")
def read(j: JsValue): T = gen.from(sg.value.read(j))
def write(t: T): JsObject = sg.value.write(gen.to(t))
}
So we have to introduce some hacks.
The first one is known as the Hipster.Aux
. Some say that Travis Brown was once called a Hipster Aux as a slur, but he wore it as a badge of honour. Others say that it was an auto-corrector gone mad, who can say the intentions of justy-tylor.
If you see any shapeless code you’ll quickly come across these .Aux
types. The reason for their existence is to workaround the compiler limitation that we must declare all the types that we use in the parameter list. So we add an additional free type and then use it in the subsequent code. The LabelledGeneric.Aux
places a constraint on Repr
and the whole implicit will only trigger when Repr
really is the HList
or Coproduct
for T
.
The other hack is to use the Lazy
type wrapper around the WrappedRootJsonFormat
which is a bit magical but hints to the compiler to try harder at constructing the parameter.
sealed trait SimpleTrait
case class Foo(s: String) extends SimpleTrait
case class Bar() extends SimpleTrait
case object Baz extends SimpleTrait
Foo("foo").toJson // {"type":"Foo","s":"foo"}
Bar().toJson // {"type":"Bar"}
Baz.toJson // {"type":"Baz"}
Even if you’re not interested in the implementation details, you will be interested in the results. You can define a sealed trait and case class/object family like this
And without writing any marshalling code, you can convert to/from JSON automatically, with all the marshallers being calculated at compile time so it’s super fast — almost on par with manually written marshallers.
Yeah, but it takes a long time to compile. Which we know is potentially life threatening :-/
We have 50 case classes for our incoming sealed family and it can take 10 minutes to compile this one marshaller. We have a workaround, but it involves a big performance hit to runtime.
So now I’m going to hand over to Rory who has more to say about compiler performance, which is not only relevant for us as ENSIME developers but as ENSIME users — since we fundamentally rely on the compiler for our analysis.
Mention Miles/YourKit? show performance stats? - probably don’t have time Capture how many objects are created in a single call? Mention possibility of talk?
scala.reflect.internal.Constants.safeToString
generates 100s of temporary objects to create a single result string.Stability! Some users don’t like the snapshot approach, typically because of corporate proxies, and the possibility of regression. In reality, we’ve been extremely good at not releasing regressions but it would be nice to cut a stable so that we can be more experimental.
Dropping support for legacy versions: no more scala-2.9 backport and no more Java 6 support. Better version of Lucene, better filesystem monitoring.
Code quality, we want to make it even easier to add new endpoints to the protocol so we’re going to focus on redesigning the protocol (S-Exp and JSON) to simplify it.
Java support… fear of The Big Java Project looming round the corner that we keep being threatened to be put on by management.
Whats next?
scalac
is getting Typed Trees. That’s amazing for ENSIME because it means the presentation compiler could potentially turn into a data structure. It also allows for new debugging paradigms, where branches of the trees can be tracked instead of lines of code.
Also sbt-server
is stabilising and we could interface with it to get better feedback from the actual compiler (not the initial stage presentation compiler) and various other project-level events.
Viktor Hedefalk
Could enable lots of new build tools: integrate with scoverage for dead code removal, add return types to public methods (speeds up the compile and makes the code easier to read).
Of course, much of this would be available under a “hint” framework to the editors. Similar in concept to IDE’s hints, but scriptable.
Still a work in progress
IDEs tend to be monolithic - single system - text editors on steroids.
We are at a nexus - lets change software development the world is changing, development environments hold back fast development (especially in kickstarter style team-building distributed environments).
ScalaJS - Shapeless JSON marshalling on both sides - some kind of voodoo
Components:
How long does it take to get a project started. Instant setup - first day blues
Isolated dev - project contained in Docker Remote working - local rendering - remote heavy lifting. Scalable platform - compile nodes, test nodes, exec nodes, clusters
Shared config/setup Shared environment - dual cursors multiple screens Video conference with duel control
Come join the party!


Guatemala Trip
Photo set from the Guatemala Trip:
Photo set from the Guatemala Trip:
Ayzvara Suntharalingam
Amanda Sopkin, Arjun Kumar, Kevin Ger
Brian Wu
Emily Dixon, Hunter Smith
Michael Lin
Joseph Milla
The annual year-end banquet and awards ceremony was held on the 10th of December at the University YMCA. Both members and mentors alike had the opportunity to reflect on our progress and accomplishments this past year. The upcoming board was introduced, outstanding members & project leads acknowledged, while our graduating seniors were given a farewell.
Our general meeting was hosted on Tuesday November 18th at 6:00-7:00pm in MSEB100! We discussed about the general traveling process with regards to our international projects. Older members were able to share their personal experiences with newer members.
The annual conference was hosted during the 31st October to 2nd November in Reston, Virginia! Participants managed to learn from informational sessions and insightful speakers regarding international development and service learning topics. Additionally, the conference provided participants with a great opportunity to network with corporate representatives, professionals and students alike.
Our chapter is preparing to get involved with two additional projects that are both locally and globally orientated. Interested candidates that submitted applications were chosen through a rigorous selection process for both the domestic and international projects on offer. We wish the upcoming teams all the best in their preparations for the new projects!
Our chapter hosted an orientation session to integrate new members with various projects. We hope that newer members are able to adapt to our on-going projects and get exposed to important elements & skill sets needed to succeed in a project. Project leads coordinated hands-on activities to convey information on their respective projects and help new members transition smoothly!


Mysterious Wizard:
This land is fertile ground for the materials I need in my dark arts. The problem is, my servants
all have rotten heads
! I need someone to give me a hand cultivating the forest.
Quest


Enter the route number: Switch direction Choose a route variant:
Choose a stop in the list:
Show the first departure only for each route
© Victor Lee 2020 with the forked work from © Michael Tsang 2020, released under AGPL 3.0 Licence. Source available on Github.


Small $10 / Medium $15 / Large $15 / All Space Pies come with red sauce and fresh mozz!


Lots of entities are supported: , &, ©, Æ, Ď, ¾, ℋ, ⅆ, ∲, &c. Even some entities with a missing terminal semicolon are parsed correctly (as per the HTML5 spec): ÿ, á, ©, and &.
However, &MadeUpEntities; are kept in the document.
Entities even work in the language flag of fenced code blocks:
alert('Hello');
Or in línks
Or in
But, entities are not interpreted in inline cöde
, or in
code blocks:
CÖDE block.


The 3 operators starts with, ends with, and contains run similar kinds of searches. The regex operator could function like any of the three, but is both more powerful and slower. The (automatic) operator also behaves like starts with unless it finds an exact match.
When typing into the "Search Term(s)" box, if you enter an asterisk, you can trigger operator changes. If the current operator is (automatic) or equals, trying to enter an asterisk at the beginning of the term will instead switch it to the ends with operator. Likewise, trying to enter an asterisk at the end of the term will instead switch it to the starts with operator. If the operator is already starts with or ends with, then trying to enter the asterisks above will instead switch to the contains operator.
Starts with searches are fast. Ends with and contains searches will be slower. A regex search will be even slower.
Starts with searches will generate AutoComplete results, but ends with, contains, and regex searches will not.


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Gecode::BoolVarBranch Class Reference
[Branching]
Which Boolean variable to select for branching. More...
#include <int.hh>
Public Types | |
| enum | Select { SEL_NONE = 0, SEL_RND, SEL_MERIT_MIN, SEL_MERIT_MAX, SEL_DEGREE_MIN, SEL_DEGREE_MAX, SEL_AFC_MIN, SEL_AFC_MAX, SEL_ACTION_MIN, SEL_ACTION_MAX, SEL_CHB_MIN, SEL_CHB_MAX } |
Which variable selection. More... | |
Public Member Functions | |
| BoolVarBranch (void) | |
| Initialize with strategy SEL_NONE. | |
| BoolVarBranch (Rnd r) | |
| Initialize with random number generator r. | |
| BoolVarBranch (Select s, BranchTbl t) | |
| Initialize with selection strategy s and tie-break limit function t. | |
| BoolVarBranch (Select s, double d, BranchTbl t) | |
| Initialize with selection strategy s, decay factor d, and tie-break limit function t. | |
| BoolVarBranch (Select s, BoolAFC a, BranchTbl t) | |
| Initialize with selection strategy s, AFC a, and tie-break limit function t. | |
| BoolVarBranch (Select s, BoolAction a, BranchTbl t) | |
| Initialize with selection strategy s, action a, and tie-break limit function t. | |
| BoolVarBranch (Select s, BoolCHB c, BranchTbl t) | |
| Initialize with selection strategy s, CHB c, and tie-break limit function t. | |
| BoolVarBranch (Select s, BoolBranchMerit mf, BranchTbl t) | |
| Initialize with selection strategy s, branch merit function mf, and tie-break limit function t. | |
| Select | select (void) const |
| Return selection strategy. | |
| void | expand (Home home, const BoolVarArgs &x) |
| Expand decay factor into AFC or action. | |
Protected Attributes | |
| Select | s |
| Which variable to select. |
Detailed Description
Which Boolean variable to select for branching.
Definition at line 4449 of file int.hh.
Member Enumeration Documentation
Which variable selection.
- Enumerator:
SEL_NONE First unassigned.
SEL_RND Random (uniform, for tie breaking).
SEL_MERIT_MIN With least merit.
SEL_MERIT_MAX With highest merit.
SEL_DEGREE_MIN With smallest degree.
SEL_DEGREE_MAX With largest degree.
SEL_AFC_MIN With smallest accumulated failure count.
SEL_AFC_MAX With largest accumulated failure count.
SEL_ACTION_MIN With lowest action.
SEL_ACTION_MAX With highest action.
SEL_CHB_MIN With lowest CHB.
SEL_CHB_MAX With highest CHB.
Constructor & Destructor Documentation
| Gecode::BoolVarBranch::BoolVarBranch | ( | void | ) | [inline] |
| Gecode::BoolVarBranch::BoolVarBranch | ( | Rnd | r | ) | [inline] |
| Gecode::BoolVarBranch::BoolVarBranch | ( | Select | s, | |
| BoolAction | a, | |||
| BranchTbl | t | |||
| ) | [inline] |
| Gecode::BoolVarBranch::BoolVarBranch | ( | Select | s, | |
| BoolBranchMerit | mf, | |||
| BranchTbl | t | |||
| ) | [inline] |
Member Function Documentation
| BoolVarBranch::Select Gecode::BoolVarBranch::select | ( | void | ) | const [inline] |
| void Gecode::BoolVarBranch::expand | ( | Home | home, | |
| const BoolVarArgs & | x | |||
| ) | [inline] |
Member Data Documentation
Select Gecode::BoolVarBranch::s [protected] |
The documentation for this class was generated from the following files:


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Sky light so bright...
Primary mission for the weekend accomplished: Putting two layers of plastic insulation in the skylight.
Two layers? Well I'm convinced that, even though we've never really had any seepage from rain, there's a hole in the skylight or the (non-functional) fan at the apex. By eliminating the convective action with the outside air, I think the R-value should be improved.
But really I think skylights should be easily sealable at night, by design. Something along the lines of an insulative material in a frame, on a track, which slides into place with a long rod. While I might miss seeing moonlight in the winter, the energy savings would more than justify an LED night light.
I also think that skylights should have an external passive summer shield which is designed to block the sun during the summer (i.e. at high angles). Much better than my internal implementation.
By the way, I'm quite happy to say that even though it has dropped to -10°C, we haven't turned on the electric heaters yet. This is due to two things: the water radiators have been working almost non-stop so far this year, and the big warm blanket.
Finally, you'll note that cork has a high R-value. I was shopping for a large mouse mat to replace the 11″x17″ Discreet mouse mat which I can't find (I suspect my former sub-letters nicked it). I was at a local hardware store, and found a roll of cork which is designed to fit on shelves and in drawers to protect glasses and keep items from sliding around overly.
It's fragile - I ended up taping the borders down to protect the sides rather than keep it in place - but its a brilliant alternative to polyethylene, and probably healthier too, less outgassing. It's not exactly smooth, but I like it. It's warm, I don't feel like the desk is sucking my life-force, and my optical meese like it.
About this entry
You"re currently reading "Sky light so bright...," an entry on a crick in the net
- Published:
- 12.10.05 / 4pm
- Category:
- Circular File, Enviroh-oh-Oh!
Hmm, I think the problem with night shields or whatever is dealing with the ice etc. in the winter. Plus the elements are tough with external motor. Putting it on the inside is harder to fit with the frame and keeping the insulation etc. around there.
[...] Looking back at Jan-Mar 2006, that's pretty amazing. What it says basically is that we didn't turn the heaters on most of the winter. In addition I'd added a double layer of plastic to the skylight. Which was ugly and noisy but pretty effective. (Ugly because there's a sprinkler system poking up there and noisy because the skylight isn't perfectly sealed (!) the plastic would move alot, eventually ripping, with pressure changes outside.) [...]