P4: Testing
06/11/2018
Group members
- Magnus L. Holtet
- Andreas Amundsen
- Carl Smestad
- Øyvind Jalland Schjerven
- Mathias Fossum
Administrative Details
Our client is Morten Rustad, an imaginary person running a rental store for drones called DroneLOAN. His wish is for us to set up a website for information and renting options for the drones he has available in his store. He wants a clean and user-friendly layout with several functions.
Testing Document
We chose to split the testing into two different parts: Google form survey and live testing.
With our Google forms, we wanted to gather data on topics such as design,
functionality, accessibility, performance and potential changes which could be implemented.
In the form, we ask questions such as: 'How pleasing is the appearance?' and
'Did you ever require more than three clicks to get to your destination?'.
After a sufficient number of surveys is submitted,
we aim to analyze the data and make potential changes to our site.
The live testing differs from the form survey because in the live testing we ask the test subject to perform different tasks on the website. We aim to see if the design, accessibility, and functionality combined make sense to a person who never has visited the site before, and therefore the person testing is not allowed to browse the site before the tasks begin. We will gather data on things like bugs, slow performing pages etc. We will take notes during the whole live testing process.
The live testing consist of seven different tasks, and a section where the test-subject can comment about the experience (what was good, what was bad, what could be improved etc). A detailed list of all the questions can be found here.
Tester Audience
In P2 we pointed out that our target audience was aimed at the hardcore drone enthusiast, while still reaching out to people who have never experienced drone flying. Therefore in our testing, we focused on gathering data from people in all different ages, fields, and genders. 75% of our live test subjects do not have a background or are studying computer science.
Testing Platform
To discover as many bugs and errors as possible, we found it essential for the live testing to take place on different platforms. Therefore we got data from phones, tablets, laptops, and desktops.
Feedback Summary
Live Test
Find the name of our CEO on the page.
Intention: Detect problems regarding information accessibility.
One out of twelve participants tried to find the information on the contact page before going to 'About Us'. No other issues occurred, and all the other participants found the information immediately.
Check out the max flight time of DJI Inspire 2 (Ans: 27 min).
Intention: Detect problems regarding information accessibility.
One of the mobile participants went back to the landing page and found the correct drone there. However, the participant was unable to open the drone specific page. Then went to 'Our Drones' and found it immediately. All other participants went to 'Our Drones' first try.
Fill out a contact form where you write a message to droneLOAN
Intention: Detect issues relating to contacting droneLOAN.
No participants found this task troublesome.
From the contact page, access the landing/index-page in just one click
Intention: Detect if the the droneiconbutton, which loads index.html, works as intended.
Every participant understood that the white drone icon was a direct link to the landing page. Thus, everyone managed to get to the page in exactly one click - which was the intended purpose.
Fill out a rental form for the drone: Parrot Disco
Intention: Detect if the the droneicon-button, which loads index.html, works as intended.
A few people chose to click 'Learn More' rather than 'Rent Now'. Due to how the drone specific page is coded - they both lead to the same page with the rental form at the bottom. The only difference being that the 'Rent Now' leads directly to the form whereas with the 'Learn Now' you have to scroll to the bottom. No participants found this challenging.
Intention: Detect any problems regarding playing videos
Intention: Detect any problems regarding playing videos.
No problems occurred during this task.
Get the address of droneLOAN store
Intention: Detect if the user spots the address in the footer.
Only one participant found the information in the footer whereas everyone else found it under the 'About Us'-tab. This is not too surprising due to the fact that the footer does not contain the address on the mobile platform.
Additional comments (optional)
Intention: Take notes of any issues not covered in the questions above.
The mobile participants encountered a few minor difficulties due to the fact that the page is not designed for mobile use. The main issue was due to the footer losing its content when scaled under a certain size. Otherwise, the participants found the design simple, but yet effective!
Google Form
Design
Questions: What do you think about the design? Do you think the design makes the page easily readable?
The general consensus was that the website was functional and its minimalistic design helped make the site more accessible. However, some users would have preferred a more colorful design.
Functionality
Questions: Did any functionalities positively stand out? Did anything not work as intended?
Many users found the image and video-gallery to be positively standing out. Some users found the text to be overlapping and the 'Rent Now'-buttons to not be displayed as intended.
Accessibility
Questions: How easy is it to navigate through the site? Were you able to navigate destination on the page on three clicks or less?
As pointed out in the section about the design. Every user reported that they did not need more than three clicks to get to a specific destination.
Performance
Questions: Did anything load too slowly? Is there anything not working as it should?
Some users reported that the videos were loading slowly in the video gallery.
Ideas and Comments
Questions: Is there anything the page is lacking? Do you have any further comments?
Users would like the following functionalities to be added:
- More colors on the website
- Rental prices and information on how long you could rent
- Chatbot
- Drone sorting filer functionality
Overall, users were very pleased with the site and enjoyed the simplicity and accessibility of the page.
Our Response
As pointed out earlier, several users reported that they would like to see more colors. We purposefully went for a minimalistic and clean design, which contribute to accessibility.
As stated, some users reported slow video loading speeds, especially in 'Video Gallery'. Loading speeds depend on several different factors such as internet speed, and therefore it is hard to tackle this problem. It could also be a server issue.
Changes we implemented
We got feedback on the introduction header text on index.html. We changed the text to: At DroneLOAN we do our best to ensure the best rental deals on high-end drones. Check out our drones below. Please fill out the form in the contact tab for any inquiry.
Many users found the 'Rent Now'-button and other text to not be displaying correctly. We fixed this by essentially redoing the whole 'Our Drones' CSS.
Possible future implementations
Based on user-feedback the following is possible future implementations:
- Chatbot
- Though would be practically impossible to do without backend
- Drone sorting filter functionality
- Info on how long you can rent and prices
Self-reflection
Techincal aspects
During this project, we have learned a lot about different technologies, such as HTML, CSS and JavaScript. We had to do everything from the ground up, and therefore we now have a better understanding of these technologies.
We also have a much better understanding of Version Control Systems, especially GitHub. Throughout the project, we have used GitHub to collaborate and work on the same codebase. We decided to use Figma to create a sketch of the whole site, which was very helpful when we started doing the coding.
In order to assign tasks between the group members, we decided to use GitHub projects and GitHub issues. This was a great way to get an overview of the tasks needing to be done and tasks completed.
Teamwork
Throughout the project, we have learned a lot about teamwork, first of all, the importance of communication. In order to be successful, especially with these coding projects, you need to be proficient at communication. A lot of our conversations was done over Facebook Messenger, which is far from ideal. It is hard to find previous messages and you can't really search for a specific message. We could have set up a Slack channel which is a better platform for exchanging information.
Overall things went pretty smoothly since most of us have been coding in HTML, CSS, and JS before. We managed to cooperate well as a group which made the process easier. There were no discrepancies between group members which could have complicated the project.
Project flow
The group has been very responsible and held the team contract exceptionally well where each individual has done their part. While this is true, there has encountered quite a few different roadblocks on the way. Firstly, our initial scheduling-program, Monday, appeared to only be free for a couple of weeks so we switched to GitHub projects. Secondly, we started out designing the sketches for the website in Adobe XD, from a recommendation from a group member. Unfortunately, it was nearly impossible to work on the same project as there was no functionality for copying others design into the master branch. Thus we ended up with completing the whole sketch in Figma where all the members could work simultaneously.
Most of the site, layout and advanced features were finished way before the deadline which was superb. Nevertheless, one of the more elementary features of the side, the responsiveness, would at the end seem to be the more challenging aspect of finishing the project. This arose from early miss-judges and lack of coding skills when starting the project, and thus trailing all the way to the end. Luckily as we were far ahead of the project we had time to fix all major difficulties.
All in all, the project went fluently due to competent, responsible group members.
Project thoughts
We found ourselves to be spending a lot more time writing on P2, P3_changes, and P4 rather than coding. As a result, we feel that we did not learn as much coding as we could have, if the project had been structured differently. In spite of this, we understand that the work we did on planning and testing is important and often essential for a project like this.
We would like to point out that the fact that we could not use flexbox, severely slowed down the coding process. Flexbox is an essential part of modern web development, and we see few reasons why not to use this feature in this project and IT2805 in general. In addition, it would be greatly appreciated if we could use .json files.


{% extends "layout.html" %} {% block page_title %} Blank page {% endblock %} {% block content %} {% block phase_banner %} {% include "includes/phase_banner_alpha.html" %} {% endblock %} Statement of capital Tell us what the share capital will be following the reduction. What is the class of share? Ordinary Ordinary A Ordinary B Ordinary C Other What are the rights attached to these shares? Shares have full rights including voting, dividend and distributions I want to define my own rights Continue {% endblock %}
Tell us what the share capital will be following the reduction.


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Flag=0
| The index of the name table entry of the next Prolog-defined procedure is
returned.
|
Flag=1
| The index of the name table entry of the next Prolog- or C-defined procedure
is returned.
|
Flag=2
| The index of the next name table entry, regardless of its type, is returned.
|


Detonator Concept
Source: Cannonman
1. Basic Information
Bullets Per Cycle: 1-25
Main Bullet Strength: 600% BTE
Bullet Speed: 50% BTE
Shrapnel Speed: 75% BTE
Recoil Per Cycle: 1500% BTE
Reload Per Cycle: 25% BTE
Shrapnel damage varies, more on that later.
Upgrade path
Basic → Machine Gun → Destroyer → Detonator
2. Tank Details
The Detonator is a destroyer class with a special ability. The bullet shares all stats with destroyer as mentioned earlier except for one characteristic: When the main bullet takes damage, it will spit smaller bullets off of it totalling 50% of the damage taken to itself while the main bullet shrinks in size depending on how much damage it took.
The shrapnel function operates like this:
The base bullet does 600% BTE, which is equal to a Destroyer's. Let's say the bullet took an impact where 150% of it's health was diminished i.e. from killing a player. A bunch of pieces of shrapnel will be ejected totalling 75% of the damage taken to the main bullet, or just under one basic tank bullet. A detonator bullet can produce a maximum of 24 pieces of shrapnel before it dies so this impact would result in 6 pieces of shrapnel being released, doing 12.5% basic tank damage each, whereas the bullet would shrink in size by 25%. The shrapnel damage might get buffed if 12.5% basic damage ends up being insufficient.
Depending on impact shrapnel can behave in multiple ways; a direct center impact produces an evenly spread could of shrapnel around the bullet as it flies away from the impact point; a slightly off center hit results in the shrapnel being ejected more to that side.
3. Builds
0/0/0/6/7/6/7/7
0/0/0/7/7/7/5/7
Standard Balanced Glass Builds. Good for anything except taking a few hits.


| Edition 2019-20 Edition 2020-21 |
If the demo isn't visible or won't run, this probably is due to new Java applet security restrictions or to the fact that some browsers simply have stopped supporting Java (Firefox 64-bit). You may open the Java configuration control panel and add our server to the exception list, and/or try opening the demo in another browser (for example 32-bit FF). More detailed instructions can be found here. As a last resort, you may download Netlogo 4.1.3, download the source of the demo, and run it in you local copy of Netlogo. © Gerard Vreeswijk, 2015.


--- layout: post title: Bookmarks for October 29th through October 30th tags: - Addy - backbone.js - balancer - bdd - bouncy - client - component - conversion - css - cucumber - cucumber.js - currency - dart - design - dom - exchange - facade - free - html - html5 - https - ios5 - jasmine - javascript - json - library - literal - load - mediator - model - module - money.js - mvc - node.js - object - open - Osmani - overview - pattern - patterns - proxy - rates - require.js - shadow - source - spinners - spyOn - ssh - tdd - terminal - terminology - thoughtworker - thoughtworks - tumble - tutorial status: publish type: post published: true meta: aktt_notify_twitter: 'no' _edit_last: '2' ---
These are my links for October 29th through October 30th:


| Release Doc > Examples > Compound Examples > Product Structure | ||
| Product Structure | ||
|
Launch Delphi-example |
Launch CBuilder-example
This example shows how to create recursive structures and display them in a TBoldTreeView. Note that though this example contains very little code, several pieces of the functionality
could be handled automatically if added to the model. The rationale for not implementing the
example that way is that we want the examplify some code... How to run When you open the system some products are created automatically. You can see
how that is done in the The products are either simple or assembly products. An assembly product consists of other products. You can get a recursive structure by adding an assembly product as a part of another assembly product. Use of BoldTreeView See also
More examples
Note! Please make sure to use the "Create DB & Alias" button before attempting to open the system for the first time. Once the database and alias is established you only have to use the "Open system" button when running the example program. | ||
| All material $(COPYRIGHT_TEXT). Registered Trademarks and other trademarks are properties of their respective holders. |


Dream11 Team Prediction Gujarat vs Jharkhand: Captain And Vice Captain For Today
GUJ vs JHA Dream11 Team Prediction- Check Captain, Vice-Captain and Probable Playing XI for Today Group E, Round 7, Syed Mushtaq Ali Trophy 2019, Gujarat vs Jharkhand: Between Gujarat vs Jharkhand. Also Check Jharkhand Dream 11 Team Player List, Gujarat Dream11 Team Player List and Dream11 Guru Fantasy Tips.
Dream11 Prediction
Team Prediction GUJ vs JHA: Captain And Vice Captain For Today Group E, Round 7, Syed Mushtaq Ali Trophy 2019 Between Gujarat vs Jharkhand at Lalabhai Contractor Stadium in Surat 10:00 AM IST November 17:
Gujarat has been having a great run in the Syed Mushtaq Ali trophy with three back to back wins. Gujarat would look to continue the winning momentum when they take on Jharkhand in a Group E clash on Sunday. For Gujarat, the only concern is that their premier batsman Parthiv Patel has not been among the runs and the southpaw would like to change that against Jharkhand.
Jharkhand, after their loss against Delhi, would like to get back to winning ways which will make it a mouthwatering clash.
TOSS – The toss between Gujarat vs Jharkhand will take place at 9.30 AM (IST).
Time: 10.00 AM IST.
Venue: Lalabhai Contractor Stadium in Surat
My Dream11 Team
Keeper – Parthiv Patel (C)
Batsmen – Kumar Deobrat, Virat Singh (VC), Priyank Panchal, Chirag Gandhi
All-Rounders – Anand Singh, Axar Patel
Bowlers – Piyush Chawla, Roosh Kalaria, Utkarsh Singh, Shahbaz Nadeem
Probable XI
Jharkhand: Ishan Kishan (C & WK), Virat Singh, Saurabh Tiwary, Kumar Deobrat, Anand Singh, Monu Kumar, Shahbaz Nadeem, Varun Aaron, Rahul Shukla, Anukul Roy, Utkarsh Singh
Gujarat: Parthiv Patel(C & WK), Priyank Panchal, Urvil Patel, Bhargav Merai, Chirag Gandhi, Axar Patel, Piyush Chawla, Roosh Kalaria, Arzan Nagwaswalla, Chintan Gaja, Ripal Patel.
Squads
Jharkhand: Ishan Kishan (C & WK), Virat Singh, Saurabh Tiwary, Kumar Deobrat, Anand Singh, Monu Kumar, Shahbaz Nadeem, Varun Aaron, Rahul Shukla, Anukul Roy, Utkarsh Singh, Vivekanand Tiwary, Nazim Siddiqui, Supriyo Chakraborty
Gujarat: Parthiv Patel(C & WK), Priyank Panchal, Urvil Patel, Bhargav Merai, Chirag Gandhi, Axar Patel, Piyush Chawla, Roosh Kalaria, Arzan Nagwaswalla, Chintan Gaja, Ripal Patel, Kshitij Patel, Tejas Patel
Check Dream11 Prediction / GUJ Dream11 Team / Gujarat Dream11 Team / Jharkhand Dream11 Team / JHA Dream11 Team / Dream11 Guru Tips / Online Cricket Tips and more
For breaking news and live news updates, like us on Facebook or follow us on Twitter and Instagram. Read more on Cricket Latest News on India.com.
Story Timeline
- 16 Nov 2019 Dream11 Team Prediction Gujarat vs Jharkhand: Captain And Vice Captain For Today
- 16 Nov 2019 Dream11 Team Prediction Tamil Nadu vs Vidarbha: Captain And Vice Captain For Today
- 15 Nov 2019 Dream11 Team Prediction Kerala vs Rajasthan: Captain And Vice Captain For Today
- 15 Nov 2019 Dream11 Team Prediction Himachal Pradesh vs Maharashtra: Captain And Vice Captain For Today
Comments - Join the Discussion


from clubcpg_prelim import PReLIM
import os
from joblib import dump
[docs]class TrainWithPReLIM:
"""
Used to train models using CpGnet
"""
[docs] def __init__(self, cpg_density=None, save_path=None):
"""
Class to train a CpGNet model from input data
:param cpg_density: Number of CpGs
:type cpg_density: int
:param save_path: Location of folder to save the resulting model files. One per cpg density
"""
if not cpg_density:
raise AttributeError("CpG density must be specified")
if not save_path:
raise AttributeError("Folder to save trained model must be specified")
self.save_path = save_path
self.cpg_density = cpg_density
self.model = PReLIM(cpgDensity=cpg_density)
[docs] def save_net(self, model):
"""
Save the network to a file
:param model: The trained PReLIM model. Located at PReLIM.model
:type model: :class:`clubcpg_prelim.PReLIM`
:return: Path to the saved model
"""
file_name = "saved_model_{}_cpgs.prelim".format(self.cpg_density)
output = os.path.join(self.save_path, file_name)
dump(model, output)
print("Saved {} cpg model to {}".format(self.cpg_density, output))
return output
[docs] def train_model(self, bins: iter):
"""
Train the CpGNet model on a list of provided bins
:param bins: iterable containing CpG matrices of 1 (methylated), 0 (unmethylated), and -1 (unknown)
:return: Path to the saved model file
"""
self.model.train(bins, model_file="no")
output = self.save_net(self.model.model)
return output


An object-oriented computer programming language commonly used to create interactive effects within web browsers.
A symbol that tells the compiler or interpreter to perform specific mathematical, relational or logical operation and produce final result.
A value that can change, depending on conditions or on information passed to the program.
A set of rules for choosing the character sequence to be used for identifiers which denote variables, types, functions, and other entities in source code and documentation.
A function is a block of organized, reusable code that is used to perform a single, related action.
A method defines the behavior of the objects that are created from the class. Another way to say this is that a method is an action that an object is able to perform.
A value that is passed between programs, subroutines or functions.
A parameter or "argument" is a value that is passed into a function.
A statement that tells the program to leave the subroutine and return to the return address, directly after where the subroutine was called.
Invoking multiple method calls in object-oriented programming languages. Each method returns an object, allowing the calls to be chained together in a single statement without requiring variables to store the intermediate results.
A data type used in programming, such as an integer and floating point unit, but is used to represent text rather than numbers.
A data type is a data type that has one of two possible values (usually denoted true and false).
Anything that lacks a description or is not declared is considered undefined.
Short for not a number, in mathematics and computer programming NaN is an undefined or unrepresentable value, especially in floating-point calculations.
An escape character's purpose is to start character sequences (so named escape sequences), which have to be interpreted differently from the same characters occurring without the prefixed escape character. For example, line break has an escape sequence of \n.
An alert displays an alert box with a specified message and an OK button.
A programmer-readable explanation or annotation in the source code of a computer program.
A JavaScript library that allows web developers to add extra functionality to their websites.
An attribute either modifies the default functionality of an element type or provides functionality to certain element types unable to function correctly without them.


XXMONTH 28, XXYEAR: Sunday I spent the day at XXINITIAL XXLASTNAME's in company with Joseph and the Twelve in conversing upon a variety of subjects. It was an interesting day. Elder Joseph Fielding was present; he had been in England four years. We also saw a number of English brethren. Joseph said the XXBOOKOFMORMON was the most correct of any book on earth and the keystone of our religion and a man would get nearer to God by abiding by its precepts than any other book.
XXMONTH 30, XXYEAR: I spent some time with Joseph and the Twelve. Joseph says XXFIRSTNAME XXLASTNAME must live with Bro. XXINITIAL XXLASTNAME and if they receive them kindly and patiently, it shall prove a great blessing, unto them.
XXMONTH 5, XXYEAR: In the evening we walked to Bro. Joseph's and spent several hours at his house on a visit and had a pleasant stay with him and Sister XXFIRSTNAME. Bro. Joseph had commenced this day to proofread the XXBOOKOFMORMON that it might be sterotyped. He read 60 pages. He rehearsed over the XXSTATE transactions, spoke of the death of XXFIRSTNAME W. Patten and the request which he made of him in his last dying moments. Joseph will grant it if God will.
XXMONTH 7, XXYEAR: I spent most of my time in the store but in the evening I attended meeting and heard a discourse delivered by Lyman Wight who declared some most stirring truths concerning the building of the Temple and the XXCITY House. If the Saints did not do it, they would be rejected as a church with their dead, saith the Lord. We should again be driven, too. He spoke in truth and the spirit of God.
XXMONTH 25, XXYEAR: Christmas Day was an interesting day indeed. The Twelve were invited to a Christmas supper at XXTITLEANDNAME XXLASTNAME's. It was excellent sleighing and I got a horse and sleigh and carried the wives of the Twelve to XXTITLEANDNAME's and home again. After our meeting broke up, our company consisted of XXINITIAL XXLASTNAME, XXINITIAL XXLASTNAME, XXINITIAL XXLASTNAME, XXINITIAL XXLASTNAME, XXFIRSTNAME XXLASTNAME, and XXINITIAL XXLASTNAME. All with our wives except XXINITIAL XXLASTNAME who waited upon XXFIRSTNAME XXLASTNAME. We had an excellent feast and before we left, XXTITLEANDNAME made each one of the Twelve a present of a lot of land and made out a bond for a deed of the whole Quorum, each lot worth $50, making $600 in all. My lot was No. 4, Block 12 in XXLASTNAME second addition to XXCITY, a warrantee deed to be given on or before the 5th day of XXMONTH A.D. XXYEAR.
XXMONTH 27, XXYEAR: The Twelve or a part of them spent the day with Joseph the Seer and he unfolded unto them many glorious things of the kingdom of God, the privileges and blessings of the priesthood, etc. I had the privilege of seeing for the first time in my day the Urim and Thummim.
XXMONTH 16, XXYEAR: ... in the evening I married XXFIRSTNAME XXLASTNAME and XXFIRSTNAME XXLASTNAME.
XXMONTH 8, XXYEAR: A revelation was given a few days since for the Twelve to obtain the printing establishment of XXINITIAL XXLASTNAME and govern the printing of the Times and Seasons and all the Church publications as they are directed by my Holy Spirit in the midst of their councils saith the Lord. After consulting upon the subject the quorum appointed Elders XXINITIAL XXLASTNAME and XXINITIAL XXLASTNAME of the Twelve to edit the Times and Seasons and take charge of the whole establishment under the direction of Joseph the Seer. Accordingly, I left my station at the XXCITY Provision Store and commenced this day to labor for the Church in the printing establishment.
XXMONTH 4, XXYEAR: I spent the day with Bro. XXLASTNAME in finishing the invoice of the printing establishment, books and stationary, and in the evening we again met at Joseph's store and XXINITIAL XXLASTNAME made out the deed to XXINITIAL XXLASTNAME of his lot and house containing the printing establishment and all appurtenances belonging thereto, amounting in all to $6,600.
XXMONTH 17, XXYEAR: A special City Council was called and among the business of the day a law was passed regulating marriage. Joseph the Seer made many interesting remarks concerning our privileges. Council adjourned to next day evening.
XXMONTH 20, XXYEAR: Part of the remarks of XXFIRSTNAME XXLASTNAME on the resurrection, "..."
May 15, XXYEAR: Sunday, True information has just reached us that the noted Governor XXLASTNAME of XXSTATE who by his orders expelled ten thousand XXLDS, has just been assassinated in his own house and fallen in his own blood. Three balls were shot through his head, two through his brains and one through his mouth, tongue and throat. Thus this ungodly wretch has fallen in the midst of his iniquity and the vengeance of God has overtaken him at last, and he has met his just deserts though by an unknown hand. This information is proclaimed through all the papers and by dispatched messengers and hand bills through the land.
May 27, XXYEAR: The First Presidency, The Twelve and High Council and virtuous part of the Church are making an exhortation a lot these days to cleanse the Church from adulterers, fornicators and evil persons for there are such persons crept into our midst. The high council have held a number of meetings of late and their researches have disclosed much iniquity and a number have been cut off from the Church. I met with the High Council today on the trial of XXINITIAL XXLASTNAME, XXPROPHET XXINITIAL XXLASTNAME and XXFIRSTNAME XXLASTNAME. The two former were cut off for adultery and the case of XXINITIAL XXLASTNAME was put off til tomorrow.
XXMONTH 18, XXYEAR: Also Joseph commanded the Twelve to organize the Church more according to the Law of God, that is to require of those that come in to be settled according to their council and also to appoint a committee to wait upon all who arrive and make them welcome and counsel them what to do. XXINITIAL XXLASTNAME, XXINITIAL XXLASTNAME, XXINITIAL XXLASTNAME, and XXFIRSTNAME XXLASTNAME were the committee appointed to wait upon emigrants and settle them.


By downloading & installing this update it will remove bugs and make your phone more stable, this will also patch your phone with new security fixes to protect your device...
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Activerecord
May 29, 2013
App Academy W3D3
First Day of ActiveRecord
Today is our first day with ActiveRecord, which is one of the core parts of Ruby on Rails. Learning about this well would contribute greatly in the future to my ability to be successful with RoR. It is something that we have been preparing for this entire week. And considering that a day at AA is like a week and a half in a more conventional school, that is a pretty long time. So basically, uhh no pressure huh?
The project today was to create the backend for a link shortener. This Link shortener (Ill call it LS from now on) is going to become a web app but for now we are just working with the models associated with that app. When I started out, I was greatly confused and struggled to get a grasp on the concept of the short URL and the long URL. I was not sure of what to do and luckily for me my partner was able to help me out greatly. Together, we talked out the structure of the program and how it would work.
Much of my confusion is because the truth is that I have no idea how link shorteners work. The way that I understood how a LS would operate was that it would somehow “remap” the original link. Thus then that original link would be basically “hiding” behind this new one. I suddenly felt a surge of panic because it seemed to involve so many other things like creating and mapping IP domains and what not. I felt that this was just way out of the norm from what we were doing before. However, my partner and I got a better grasp of what the project was about. You would be working on it from the command line, calling on methods on instances of the “long link” and the “short link” to alternatively shrink and expand it. Then you would use a gem called Launchy that would launch the site in a browser.
The eventual structure of the app would be to create a “long link object which would hold within itself the original link. Then it would hold “short link” objects that are generated from a long link. This is because some people may want to have a short link created from one URL. Why hold multiple versions of the same URL in your database if you have to? The next thing to do then would be to create user accounts that would then allow a user to create individual short links for their own personal use as well as give other statistics like “how many people have clicked on my link?”
Once the schema made sense to me, I was able to work together with my partner to successfully put the product together. We used a number of migrations in order to create the right data schema to use, adding and modifying specific columns to make for a better product.
3 Things I Learned:
1) Database migrations in Rails
2) Joining and making other SQL commands within Rails (though it is still something that I need to continue boning up on)
3) Belongs To and Has Many
Other Things I Think I Think:
Today I went with the shorts and this worked fine while I was outside but killed me when I was inside becaues the class room is more than a little drafty. Jesus I need leggings.
The market took a big dive today. I closed out of an individual position at a loss. Good companies at cheap prices are always a buy and I felt good about it. However, one should stick to the companies they are familiar with and are experienced in. Investing is about psychology. Do not invest in something you would not feel comfortable losing money on. Mastering the psychology is more important than mastering the financials.
Share


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hcash
2.0.0
hcash
|
#include <Operations.hpp>
Public Member Functions | |
| Operation () | |
| Operation (const Operation &o) | |
| Operation (Operation &&o) | |
| template<typename OperationType > | |
| Operation (const OperationType &t) | |
| template<typename OperationType > | |
| OperationType | as () const |
| Operation & | operator= (const Operation &o) |
| Operation & | operator= (Operation &&o) |
Public Attributes | |
| fc::enum_type< uint8_t, OperationTypeEnum > | type |
| std::vector< char > | data |
A poly-morphic operator that modifies the blockchain database is some manner.
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inline |
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inline |
|
inline |
|
inline |
|
inline |
| std::vector<char> hsrcore::blockchain::Operation::data |
| fc::enum_type<uint8_t, OperationTypeEnum> hsrcore::blockchain::Operation::type |


The Iron Yard Experience
I have made the leap of faith. I paid the $12,000 and moved to Austin, Texas to spend the next 12 weeks learning front-end engineering at the IronYard, an intensive coding school that trains the best and the brightest.
Fast forward a few hours since I started writing. I finished my first day and I am absolutely, 100% in love with myself for making the decision to become a developer for once and for all. I couldn’t have done anything better and the fact that this is all a reality is just surreal. Today I met with all my classmates, who are all brilliant and awesome in their own right, and our instructors are fantastic with tons of experience and the right attitude to help us newbies☺
After the introductions we went straight into reviewing HTML5, and CSS3 which we taught ourselves weeks prior to starting school. Its all smooth sailing for me for this first week since I’ve been studying my butt off the month prior. HTML and CSS seem pretty straightforward so I’ll spend my evenings getting ahead with javascript prototypes and scoping issues.
Stay tuned for more updates on this crazy adventure we call the Iron Yard Experience.


Psalm 81
For the chief musician; set to the Gittith style. A psalm of Asaph.
1 Sing aloud to God our strength;
shout out for joy to the God of Jacob.
2 Sing a song and play the tambourine,
the pleasant lyre with the harp.
3 Blow the ram's horn on the day of the new moon,
on the day of the full moon, when our feast day begins.
4 For it is a statute for Israel,
a decree given by the God of Jacob.
5 He issued it as a regulation in Joseph
when he went against the land of Egypt,
where I heard a language that I did not know.
6 "I removed the burden from his shoulder;
his hands were freed from holding the basket.
7 In your distress you called out, and I helped you;
I answered you from a dark thundercloud.
I tested you at the waters of Meribah.
Selah
8 Listen, my people, for I will warn you,
Israel, if you would only listen to me!
9 There must be no foreign god among you;
you must not worship any foreign god.
10 I am Yahweh your God,
who brought you out of the land of Egypt.
Open your mouth wide, and I will fill it.
11 But my people did not listen to my words;
Israel did not obey me.
12 So I gave them over to their own stubborn way
so that they might do what seemed right to them.
13 Oh, that my people would listen to me;
oh, that my people would walk in my paths.
14 Then I would quickly subdue their enemies
and turn my hand against their oppressors.
15 May those who hate Yahweh cringe in fear before him!
May they be humiliated forever.
16 I would feed Israel with the finest wheat;
I would satisfy you with honey out of the rock."


This project is intended to be used with a simple server - run the following command in your terminal: python3 -m http.server
- navigate to localhost:8000
in your browser * sometimes the python server doesn’t register changes to your files - if you notice this happening, restart the server and do a hard refresh - could alternatively use VS Code Live Server
Dog
class in the dog.js
file
name
, age
, imgSrc
addToDOM()
:
li
to the ul
with id of “dog-list”
li
should contain a label
element with the inner text set to the dog’s name
property and an img
element with the src set to the dog’s imgSrc
propertyShelter
class in the shelter.js
file
dogs
(array, set to empty array if no value passed in)
receiveDog()
form
element and use those values to instantiate a new instance of the Dog
class
dogs
arrayregisterListeners()
form
element with an id of “dog-form” that calls the receiveDog
method when the form is submittedindex.js
Dog
class with a name of “Bodhi”, an age of 5 and an image source of “./images/bodhi.jpg”Shelter
class, passing in the dog instance you just created


Love and Human Remains * * * (out of * * * *)
Directed by Denys Arcand.  Reviewed June 15, 1999.
On the surface, director Denys Arcand's "Love and Human Remains" may appear to be yet another cliched, boring Gen-X comedy, but it is far from that. Taking a more noticable cue from someone such as Robert Altman ("Nashville," "Short Cuts"), the film chronicles the empty lives of seven young adults living in an unnamed Canadian city, all loosely connected in some way. But to spice things up even more, Arcand has also seemed to include a David Lynch-ian subplot that, no doubt, stands as a clever metaphor for AIDS.
Based on the play, "Unidentified Human Remains and the True Nature of Love," by Brad Fraser, the film's roots center in on two roommates and ex-lovers, David (Thomas Gibson), a cynical, 30-year-old gay man who used to be an actor but has turned to being a waiter, and who firmly believes that there is no such thing as "love," opting instead for one night stands; and Candy (Ruth Marshall), a lonely book reviewer who hates almost everything she reads and desperately wants to find a lover, even though deep down she is in love with David. Back at the restaurant David works at, his 17-year-old busboy, Kane (Matthew Ferguson), begins to hang around him, clearly interested, attracted to, and cautious of, David's gay lifestyle. David's two best friends include the womanizing Bernie (Cameron Bancroft), who sleeps with practically a different woman each night, and Benita (Mia Kirshner), a friendly S&M dominatrix who gets people off by telling them urban legends, and who happens to be psychic. Meanwhile, Candy finds herself gaining, and experimenting with, two partners, a bartender (Rick Robert) and an admiring, caring lesbian, Jerri (Joanne Vannicola). Among all of these interwining character threads is a serial killer, who may or may not be one of these seven people, that has much of the city in a panic, murdering beautiful, vulnerable women and then stealing their earring by gruesomely tearing them off their earlobes.
"Love and Human Remains" is a largely effective, relevant motion picture, due, in part, because of the way director Arcand and screenwriter Brad Fraser, listen to each one of the characters. At first glance, any one of these people could be dismissed as unlikable, cruel, or weird, but very few of them actually are, as we are allowed to observe and learn about them, and the inner workings of their minds. Sure, David may seem hard-edged on the outside, constantly stating that "love" doesn't exist, but that facade is relatively easy to uncover to find a man who, just like Candy, longs to love and be loved by someone who really cares for him. He finds a glimmer of hope in Kane, but David is probably just a little too old for him, and Kane clearly has a lot of internal issues to work out with himself before they could even hope to start a relationship. The love Candy wants, however, comes to her relatively easily when, after having sex with Jerri, Jerri tells her that she passionately and deeply loves her. Too bad for Candy, then, since she realizes at this point that the whole thing was an awful mistake, since she now knows she isn't gay.
The dangers of getting AIDS is one of the major undercurrents flowing through the film, with both David and Candy very cautious about getting it. Even they aren't safe all of the time, as is proven by the serial killer (AIDS, get it?) who might be closer to these two characters than they think. Also, symbolizing their closed-up feelings on life and love, an unidentified cat is constantly standing outside of their apartment window, trying to get in and shield itself from the cold. The symbolism in the film could easily have come off heavy-handed, but they are not, fortunately, shoved down the viewers' throats, and are admittedly creative ideas that wholeheartedly work in spite of themselves.
If all of the roles are mostly well-handled, the performances are mostly top-notch, headed by Thomas Gibson (currently starring on the TV series, "Dharma and Greg"), who is the epidome of perfect casting, both handsome and dark, savvy and brooding. Ruth Marshall is in every way his match on-screen, as a frustrated, weight-concious woman who realizes it is difficult to find love, and even when you do, it might turn out to be the wrong kind. Matthew Ferguson is striking as a teenager confused with his own sexuality, adding an appropriate mixture of curiosity and reluctancy to his unsure character. Mia Kirshner ("Exotica," "The Crow: City of Angels"), now a rising star, in one of her first film roles, somehow brings a touching quality to her memorable role, even though it is probably the most underwritten in the piece. Just from Kirshner's own acting assurance and facial expressions do we discover all about her, as a woman who works for a living as a dominatrix, but like everyone else, is very lonesome in her own life, finding a friend in only David. Cameron Bancroft and Rick Roberts, respectively, are fine in their not dissimilar roles as two lecherous slimeballs (who do not come in contact with each other once during the film). Last but certainly not least, Joanne Vannicola gives perhaps the most purely humane, understandable, and genuinely moving performance in the whole movie, mirroring that of Candy and David, as a schoolteacher who wants more than anything to be with Candy, but whose love is not returned.
"Love and Human Remains" might have spent a little more time with the less fully-realized characters of Benita, Bernie, and the bartender, but on the whole, it is a one-of-a-kind film that takes a lot of courageous chances, story and character-wise, and also marked the impressive english-language directing debut of Arcand ("Jesus of Montreal"). The Canadian landscapes are painted with a grim forebodement, adding to the overall atmosphere of not only the murders, but the struggling relationships of the characters. In spite of the many positive critical reviews it garnered, "Love and Human Remains" did not gain the sort of notices it deserved upon U.S. release in 1995, and is very much a worthwhile rental choice. If anything, you're sure to never see a Gen-X "comedy" like this one ever again.
- Copyright 1999 by Dustin Putman Http://hometown.aol.com/FilmFan16/index.html
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
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请参阅: 说明
| 接口 | 说明 |
|---|---|
| WorkerAggregatorRequestProcessor |
Aggregates worker aggregator requests and sends them off
|
| 类 | 说明 |
|---|---|
| AggregatedValueOutputStream |
Implementation of
CountingOutputStream which allows writing of
aggregator values in the form of pair (name, value) |
| AggregatorOutputStream |
Implementation of
CountingOutputStream which allows writing of
aggregators in the form of triple (name, classname, value) |
| AggregatorUtils |
Class for aggregator constants and utility methods
|
| AllAggregatorServerData |
Accepts aggregators and their values from previous superstep from master
and workers which own aggregators.
|
| CountingCache |
Cache which counts the number of flushes per task id (destination worker
id), so we know how many requests were sent to the worker
|
| CountingOutputStream |
Wrapper for output stream which keeps the place in the beginning for the
count of objects which were written to it
|
| OwnerAggregatorServerData |
Class for holding aggregators which current worker owns,
and aggregating partial aggregator values from workers.
|
| SendAggregatedValueCache |
Takes and serializes aggregated values and keeps them grouped by owner
partition id, to be sent in bulk.
|
| SendAggregatorCache |
Takes and serializes aggregators and keeps them grouped by owner
partition id, to be sent in bulk.
|
Copyright © 2011-2013 The Apache Software Foundation. All Rights Reserved.


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Computational Thinking:
A problem-solving approach that borrows techniques from computer science, notably abstraction, problem decomposition and the development of algorithms. Computational thinking is applied to a wide variety of problem domains and not just to the development of computer systems.
Decomposition:
The breaking down of a problem into smaller parts that are easier to solve. The smaller parts can sometimes be solved recursively; that is, they can be run again and again until that part of the problem is solved.
Object-oriented programming:
A program made up of objects (custom-made data structures to represent often-used real-world entities) that interact. Object-oriented languages include Java and C++.
Seymour Aubrey Paper was a South African-born American mathematician, computer scientist and educator. Throughout his career he spent a large proportion teaching and researching and MIT (Massachusetts Institute of Technology). Including the development and co-founder of Logo - a programming language aimed at helping students thinking ‘computationally’ - he also pioneered artificial intelligence and the constructionist movement in education. This movement was the idea that students develop mental models in their heads, and use information they already possess in order to gain new knowledge about the subject.
Logo was created as a tool to assist students in thinking about and solving problems. A small mobile robot called the “Logo Turtle” was developed. This device was shown to students, who would use it to solve simple problems. Continuing onwards, Papert also insisted that simplistic languages and/or programs that child can learn may also have functionality for expert users.
Collaborating with manufacturer Lego, Lego Mindstorms robotics kits were named after Papert’s groundbreaking 1980’s book.
Jeannette Wing is the corporate vice president of Microsoft Research and has been a heavy promoter of computational thinking. She has gone far to express the possibilities of computational thinking and abstraction techniques to help with not only programming and problem-solving inside the computing industry, but also outside in various other jobs and disciplines. Along with this she has worked in Universities such as the Carnegie Mellon University, United States and University of Southern California, also in the United States.
Decomposition is the breaking down of problems into smaller, easier to handle problems and tasks. This has various advantages to dealing with the problem as a whole and is part of computational thinking. It is advantageous as it allows smaller parts of the problems to be dealt with individually and in more depth rather than examining the original problem as a whole. This therefore allows a problem to be tackled faster and more efficiently, as well as ensuring the problem itself is addressed rather than slight alterations. Decomposition can also help in finding areas to start when tackling a problem for the first time and in creating a checklist to do.
Problems are harder to deal with when not broken down into smaller parts. By breaking a task down, we can more easily see and solve problems by breaking them down into smaller problems.
This applies heavily in complex systems. A complicated program can be easier to understand once broken down into smaller areas and examined individual.
Example:
Imagine you're making a cake. You would want to decompose the problem into various parts, in this case the parts will be ingredients and equipment.
Starting with ingredients you would break each down into how much you need to add and when to add them to the full ingredients.
Similarily we can break down the equipment we will use so it is easier to identify which pieces of equipment we need to use and when we need to use them with each ingredient. This again is an example of decomposition.
Put simply, abstraction is ignoring characteristics in order to concentrate on areas that we do need to work on.
We remove unecessary detail so that we only focus on the relevant things we want to develop.
For example in a video game production, we may remove a day/night cycle, or weather effects. This is done so more focus can be on more important issues such as game mechanics.
When we decompose problems we will often find parts and sections that share simularities with not only each other, but with previous problems.
By finding these similar problems we can tackle them efficiently, using our knowledge and understanding of solving a similar issue.
One example includes drawing cats. All cats share some common characteristics, for example eyes, tails and ears. In computational thinking these similarities and described as patterns and by finding them we can make tasks simpler and easier to solve as we can use the same solution for multiple problems.
The final corner piece of computational thinking, algorithms are a set of step-by-step instructions required to solve a problem.
Instructions are identified and the order in which they need to be carried out is done in that order. This can be expressed commonly through the use of pseudocode or flowcharts.
In order to tell computers what to do we require the intructions, to do this we need to plan the steps out via an algorithm.
Used for calculations, data processing and automation, computers are only as good as the algorithms they are given. This is true with the common phrase ‘Garbage in, garbage out’.
Computing itself has existed for longer than many believe, lasting for millennia rather than centuries. During the movement towards trade in ancient civilizations, the use of mathematics and therefore computing of calculations became more and more relevant. With this also came the need for reliability, thus the use of utilities such as an abacus and other devices came into use to deal with money. As such record keeping devices were used in order to track debts and allow the use and exchange of money, one of the first civilizations to use such a device were the Sumerians in 2400 bc, who used an abacus to help perform calculations.
Another example of an ancient computing device is the Antikythera mechanism. This device was an ancient analog computer and orrery (a clockwork model of the solar system) used to predict astronomical positions and a variety of other celestial events such as eclipses. The device itself, containing over 30 bronze gears used a complex clockwork mechanism. Due to the loss of this technology, similar technology only appeared with astronomical clocks in Europe, during the fourteenth century. This is an example of an analog computer, rather than modern digital computers. An analog computer is one which continuously changes aspect such as electrical, mechanical or hydraulic properties or quantities in order to demonstrate a solution to a problem. Digital computers, however, show solutions symbolically, for example through the use of symbols and numbers.
Following on with astronomical devices, a planisphere (holding its origins from the astrolabe) was a similar analog computing instrument that acted as a star chart. The device has two adjustable disks that rotated around a common pivot, this could be adjusted as such to display the visible stars for any set time and date. The device was extremely useful in the learning of star locations and constellations. An additional similar more simplistic analog computer is the slide rule, commonly known as the slipstick in the United States. The computer is used for multiplication and division, but also more complex operations such as roots, logarithms, and even trigonometry. This simple tool was one of the most common tools in science and engineering with it even remaining through some of the digital computing devices that aimed to take its place.
This trend of using tools to assist in calculations continued throughout the medieval age. It is possible that some programmable machines even existed in the medieval Muslim age. Programmability is an important and changing notion, adding versatility to the use of computing and allowing complexity to be overcome.
An important invention during the nineteenth century was the “difference engine” as depicted by Charles Babbage. A British mathematician, innovative thinker: Charles Babbage born on the 26th of December 1791 was a pioneer of computing. During the 1820’s his “Difference Engine” was designed that could perform mathematical calculations. Soon afterward he designed a better version of the pre-described machine, referring to it simply as “Difference Engine 2”. Continuing onwards Charles Babbage designed a more complex machine called the “Analytical Engine”. This machine contained a lot of the required components for modern computers including programmability using punched cards, as well as a memory unit to store numbers. Despite this, neither the second version or the “Analytical engine” were finished in Babbage’s lifetime.
Only until relatively recently in history has digital computing come about, requiring significant advancements in both mathematics and theories behind computers and their hardware. During WW2, in response to the Enigma Machine, the allies began work on a machine, of which could decode the encryption. The Enigma Machine itself allows an operator to type in a message, then scramble it through the use of three to five notched wheels or rotors, each of these displayed different letters of the alphabet. This machine only became more complex as German code expert added electronic circuits and improved the encryption device. Along with this high-level messages from the German Army were required to be decoded, this problem also was taken on by The British Government Code and Cypher School.
The machine given this to do was the British Bombe, as designed by Alan Turing, one of the professionals at the UK Government Code and Cypher School at Bletchley Park. The Bombe worked to discover multiple daily settings of the Enigma machines on the various German military networks. Specifically, the machine was used to find the set of rotors in use, their positions; rotor core start positions, the message key and one of the wirings on the plugboard. This was one of the most advancement autonomous machines during this time and aided in the effort against the Germans during WW2. Containing 36 Enigma rotor equivalents and three indicator drums, the Bombe marked a step up in technological advancement and eventually lead to the development of the Colossus. Due to this as various other reasons, Alan Turing is received as one of the pioneers of modern computers.
Contrary to popular belief, it was not Alan Turing that designed the Colossus, rather is was Tommy Flowers an English engineer in order to solve the issues and problems proposed by Max Newman, a British mathematician, and codebreaker. Despite this, Alan Turing’s Turingery, a method of ‘wheel-breaking’, lead to key components required for the computers to function. The series of computers given the nickname Colossus, are now regarded as the world’s first programmable, electronic, digital computers. The Colossus computer used thermionic valves (vacuum tubes) in order to represent bits and thyratrons ( a gas tube used as an electrical switch) to perform Boolean (True or False) and counting operations.
The actual purpose of the Colossus was in fact, similar to the British Bombe, was to decode encrypted telegraph messages from German High Command. A prototype version - Colossus Mark 1 - was working in December of 1943 and began to be operational at Bletchley Park on the 5th of February 1944. Later improved version began to be produced with Colossus Mark 2 working on the first of June 1944, just in time for the Normandy Landings. By the end of the war, a total of Ten Colossi were in use and the eleventh version was commissioned to be built. Through the use of the Colossi, the allied forced received vast amounts of high-level military intelligence from radiotelegraphy messages, as a result, it is estimated this shortened the wartime monumentally.
Drawing 7.5kW of power the Colossus was inputted with a paper tape of up to 20 000 x 5-bit characters in a continuous loop as well as a total of 1600 thermionic valve and Thyratrons in Mk1 and 2400 in Mk2.
These machines lead to what is known as the First Generation of computers. This generation is dictated by the vacuum tubes that were used for circuitry and magnetic drums for memory. The machines such as the Colossi often took up entire rooms due to their size and sometimes used magnetic drums for memory. The far from perfect first generation computers were expensive to operate, drew tremendous amounts of electricity and produced large amounts of heat, of which often lead to the cause of malfunctions. Relying entirely on machine language, the computers would often take days or weeks to set-up new programs which were inputted through a paper tape. Examples of this first generation of computers include the UNIVAC, which was the first commercial computer, which was received by the U.S. Census Bureau in 1951.
Advancements in technology eventually lead to the invention of transistors. A transistor is a device composed of a semiconductor material capable of amplifying or opening and closing a circuit. Immensely superior to previous generations use of vacuum tubing, transistors opened up new and fast improvements to computers such as becoming smaller, faster, cheaper, more energy-efficient and more reliable. Despite this transistors still produced large amounts of heat that could subject computer to damage. Similar to first generation computers, however, these second generation computers relied on inputs and outputs via paper tape and printouts. Improvements to memory also came about, with magnetic core technology taking over the previously used magnetic drums, allowing computers to store their instructions in their memory instead.
Not only did hardware advance with second generation computers but also programming the computers. Moving away from machine code and use of binary, the first assembly languages began to be used, meaning sets of instructions could be given in words. High-level languages even began to be produced such as COBOL and FORTRAN.
Interestingly these second generation computers were first used and developed for the atomic energy industry, which further shows the shift from governmental computers, to more commercial computers.
Following on the Third Generation of computers became applied from 1964 to 1971 with the introduction of Integrated Circuits. Transistors began to be miniaturized and placed on silicon chips called semiconductors. This effectively increased the processing power with faster speeds and high efficiency. Along with integrated circuits also marked the arrival of newer forms of input and output devices, improving the user interactability. Keyboards and monitors meant that punched cards and printouts no longer needed to be used to input into the computer and to receive outputs. The software also showed new arrival with the new devices being interfaced with operating systems. The operating system controlled the hardware, while numerous applications could be run simultaneously over the top.
The third generation brought computers to a mass audience not previously possible with the large and expensive predecessors. Rather these newer computers were able to be sold commercially and opened up to the general public for use. This again showed a movement from computer merely for industry and the soon appearance of household personal computers.
Bringing computers up to the present day was the invention of microprocessors. This hardware consisted of thousands of integrated circuits built onto a single silicon chip. The processing power of first generation computers taking up entire rooms could now be done ten times over and in the palm of one’s hand. The first chip, developed by Intel called The Intel 4004 chip included all components of the computer from the CPU (central processing unit) and memory to simple input and output controls onto a single chip.
In 1981 the first home computers were released by IBM and in 1984 Apple soon followed by introducing the Macintosh. This marked the era of personal computers and the continuing involvement of computers into everyday areas of life, to the point where it is hard to find in many areas of the world, someone who doesn’t have a computer in their pocket. As smaller and smaller computers became more and more powerful, they could be linked together forming networks which grew to become the mass of knowledge and interconnectivity now labeled the Internet. Simple but also monumental additions during this generation included the mouse, handheld devices, and GUI’s. Graphic User Interfaces opened up user-friendly interaction which only aided in the growing number of households owning a personal computer.
With the fourth generation leading to the present day, computers have still not stopped advancing. Even now more and more hardware is being invented and advancements have yet to cease, with fifth generation computers still in development, but being based on artificial intelligence. This area of computer science is focused on computers behaving similarly to humans, the term itself deriving from John McCarthy at MIT in 1956. Parallel processing (using more than one CPU to execute a program) and superconductors open artificial intelligence into reality while Quantum computation (application and use of quantum physics to computers) and molecular and nanotechnology will change the way we see computers drastically in years to come. The perceivable goal of fifth-generation computing would be to create devices that can understand and respond to natural language and are capable of self-organisation and possibly even the capacity to learn independently.
Overall computers have advanced exponentially in recent years, and have shown large contrasts and differences in comparison to the older analog computers used even later than 2000 bc. With better and better technology along with computer science advancing further each year, the history of computing is not yet over.
Resources:
http://www.webopedia.com/TERM/T/transistor.html
http://www.webopedia.com/DidYouKnow/Hardware_Software/FiveGenerations.asp#first-generation
https://en.wikipedia.org/wiki/Bombe
https://en.wikipedia.org/wiki/Max_Newman
https://en.wikipedia.org/wiki/Colossus_computer
https://en.wikipedia.org/wiki/Tommy_Flowers
http://www.webopedia.com/TERM/A/artificial_intelligence.html
http://www.webopedia.com/TERM/P/parallel_processing.html
http://www.webopedia.com/TERM/Q/quantum_computing.html


Realest8
Realest8 - Get insights into the potential of Airbnb listings
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Gateway
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fraud_backend.fraud_score_engine package¶
Submodules¶
fraud_backend.fraud_score_engine.fraud_score_engine module¶
-
class
fraud_backend.fraud_score_engine.fraud_score_engine.
FraudScoreEngine
[source]¶ Bases:
object
Fraud Score Engine.
This class is an abstract class that will be subclassed for important ML algorithms.
-
classify
(transaction_instance)[source]¶ Classify a transaction as fraud or not.
Parameters: transaction_instance (Transaction) – the instance to be clasified
-
set_test_data
(test_data)[source]¶ Set the test data set.
Parameters: test_data (list of Transaction) – the set of transactions to use for testing.
-


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1st Align Event
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Day By Meal
About
Start tutorial
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Apple starts construction of new $1 billion campus in Texas
(Reuters) - Apple Inc said on Wednesday it had started construction of a new campus in Austin, Texas, beside its existing facility where it makes the new MacBook Pro laptops.
Apple Chief Executive Officer Tim Cook is set to give a tour of the Texas factory to U.S. President Donald Trump later on Wednesday.
The company has come under fire from Trump because it makes most of its products in China. But Cook and Trump have developed a good relationship. In 2017, Trump said Cook had “promised me three big plants — big, big, big.”
The new $1 billion, 3-million-square-foot campus will initially house 5,000 employees, with the capacity to grow to 15,000, and is expected to open in 2022, Apple said.
Austin is one of the fastest-growing U.S. cities, with a population of about 1 million, and is home to the University of Texas and other tech companies, including Dell Technologies Inc in nearby Round Rock, Texas.
Apple currently employs about 7,000 employees in Austin.
The company also continues its expansion in Boulder, Culver City, New York, Pittsburgh, San Diego and Seattle, it said in a statement.
Apple said it is also preparing to ship the new Mac Pro desktop computers to customers, at a production facility just a short distance away from Austin, starting in December.
The new Mac Pro desktop became a political flashpoint earlier this year when the Wall Street Journal reported that Apple was moving production to China.


We redefine services!
- whiteboard frictionless functionalities
- redefine revolutionary platforms
- architect plug-and-play ROI
- transform sexy schemas
- target one-to-one supply-chains
- drive B2C ROI
- generate bleeding-edge functionalities
- repurpose strategic platforms
- envisioneer compelling eyeballs
- strategize back-end systems
- strategize scalable e-services


Written by Rahul Gaba and Atul R
A reference for building production-grade applications which are easy to test, maintain and extend to multiple platforms. This book is for the Web developers who have already got their hands dirty with React and ES6 and want to build complex native apps.
We are following a native-first approach while keeping an eye out for potentially extending to the web. You will eventually see how easy it is port the application to the web by following conventions.
Our knowledge is based on our experience of working with React Native apps for around 2 years and helping clients launch their apps quicker than ever before.
We will build a Note Taker application while learning the concepts. There is a link to the code at the end of every chapter. You can also see the app live if you have the Expo app on your phone.
So be ready to get your hands dirty.
Github link: https://github.com/react-made-native-easy/book
Please star the repo if you like it ;)
Download a .pdf, .epub, or .mobi here. If you prefer a hard copy, please feel free to take a printout.
https://www.gitbook.com/book/react-made-native-easy/react-made-native-easy/details
This is an open source book hosted on Github. We will keep updating the contents of the book as and when it gets outdated. Please feel free to contribute or leave a comment in the Disqus.
GET, SET, CODE!!


StringBuilder
objects are like
String
objects,
except that they can be modified. Internally, these objects are treated like variable-length arrays
that contain a sequence of characters. At any point, the length and content of the sequence
can be changed through method invocations.
Strings should always be used unless string builders offer an advantage in terms of simpler code
(see the sample program at the end of this section) or
better performance. For example, if you need to concatenate a large number of strings,
appending to a StringBuilder
object is more efficient.
StringBuilder
class, like the String
class, has a
length()
method that returns the length of the character sequence in the builder.
Unlike strings, every string builder also has a capacity, the number of character spaces that
have been allocated. The capacity, which is returned by the capacity()
method,
is always greater than or equal to the length (usually greater than) and will automatically expand as necessary
to accommodate additions to the string builder.
| Constructor | Description |
|---|---|
StringBuilder() |
Creates an empty string builder with a capacity of 16 (16 empty elements). |
StringBuilder(CharSequence cs) |
Constructs a string builder containing the same characters as the
specified CharSequence , plus an extra 16 empty elements
trailing the CharSequence . |
StringBuilder(int initCapacity) |
Creates an empty string builder with the specified initial capacity. |
StringBuilder(String s) |
Creates a string builder whose value is initialized by the specified string, plus an extra 16 empty elements trailing the string. |
For example, the following code
StringBuilder sb = new StringBuilder(); // creates empty builder, capacity 16 sb.append("Greetings"); // adds 9 character string at beginning
The StringBuilder
class has some methods related to length and capacity that the
String
class does not have:
| Method | Description |
|---|---|
void setLength(int newLength) |
Sets the length of the character sequence.
If newLength is less than length() ,
the last characters in the character sequence are truncated.
If newLength is greater than length() ,
null characters are added at the end of the character sequence. |
void ensureCapacity(int minCapacity) |
Ensures that the capacity is at least equal to the specified minimum. |
A number of operations (for example, append()
, insert()
, or setLength()
)
can increase the length of the character sequence in the string builder so that
the resultant length()
would be greater than the current capacity()
.
When this happens, the capacity is automatically increased.
StringBuilder
that are not available in String
are the
append()
and insert()
methods, which
are overloaded so as to accept data of any type. Each converts its argument
to a string and then appends or inserts the characters of that string to the character sequence
in the string builder. The append method always adds these characters at the end of the existing character sequence,
while the insert method adds the characters at a specified point.
Here are a number of the methods of the StringBuilder
class.
| Method | Description |
|---|---|
StringBuilder append(boolean b) |
Appends the argument to this string builder. The data is converted to a string before the append operation takes place. |
StringBuilder delete(int start, int end) |
The first method deletes the subsequence from
start to end-1 (inclusive) in the
StringBuilder 's char sequence.
The second method deletes the character located at index . |
StringBuilder insert(int offset, boolean b) |
Inserts the second argument into the string builder. The first integer argument indicates the index before which the data is to be inserted. The data is converted to a string before the insert operation takes place. |
StringBuilder replace(int start, int end, String s) |
Replaces the specified character(s) in this string builder. |
StringBuilder reverse() |
Reverses the sequence of characters in this string builder. |
String toString() |
Returns a string that contains the character sequence in the builder. |
String
method on a StringBuilder
object by first converting the
string builder to a string with the toString()
method of the
StringBuilder
class. Then convert the string back into a string builder
using the StringBuilder(String str)
constructor.
StringDemo
program that was listed in the section titled "Strings" is an example of
a program that would be more efficient if a StringBuilder
were used instead of a String
.
StringDemo
reversed a palindrome. Here, once again, is its listing:
public class StringDemo { public static void main(String[] args) { String palindrome = "Dot saw I was Tod"; int len = palindrome.length(); char[] tempCharArray = new char[len]; char[] charArray = new char[len]; // put original string in an array of chars for (int i = 0; i < len; i++) { tempCharArray[i] = palindrome.charAt(i); } // reverse array of chars for (int j = 0; j < len; j++) { charArray[j] = tempCharArray[len - 1 - j]; } String reversePalindrome = new String(charArray); System.out.println(reversePalindrome); } }
doT saw I was toD
for
loop),
reverses the array into a second array (second for
loop), and then converts back to a string.
If you convert the palindrome
string to a string builder, you can use the reverse()
method in the StringBuilder
class. It makes the code simpler and easier to read:
public class StringBuilderDemo { public static void main(String[] args) { String palindrome = "Dot saw I was Tod"; StringBuilder sb = new StringBuilder(palindrome); sb.reverse(); // reverse it System.out.println(sb); } }
doT saw I was toD
println()
prints a string builder, as in:
System.out.println(sb);
sb.toString()
is called implicitly, as it is with any other object in a
println()
invocation.
StringBuffer
class that is exactly the same as the
StringBuilder
class, except that it is thread-safe by virtue of having its methods
synchronized. Threads will be discussed in the
lesson
on concurrency.