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Create an array with random values

How can I create an array with 40 elements, with random values from 0 to 39 ? Like 21 Answers ...
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Hidden features of Eclipse [closed]

Alright it can be a lame question, but everybody uses these things differently. What's some of the best time savers out there for this IDE. Tom ...
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What is the best way to uninstall gems from a rails3 project?

I installed all of my gems using bundler via the Gemfile. I thought (mistakenly) that if I deleted a gem from my Gemfile and ran 'bundle install' that the deleted gems would be uninstalled. I've looked at the bundler help file and, so far as I can tell, it does not have a way to uninstall gems. ...
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AngularJS : Initialize service with asynchronous data

I have an AngularJS service that I want to initialize with some asynchronous data. Something like this: 10 Answers ...
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Capture HTML Canvas as gif/jpg/png/pdf?

Is it possible to capture or print what's displayed in an html canvas as an image or pdf? 12 Answers ...
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Inversion of Control vs Dependency Injection

According to the paper written by Martin Fowler , inversion of control is the principle where the control flow of a program is inverted: instead of the programmer controlling the flow of a program, the external sources (framework, services, other components) take control of it. It's like we plug so...
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What are all the different ways to create an object in Java?

Had a conversation with a coworker the other day about this. 22 Answers 22 ...
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subtract two times in python

I have two datetime.time values, exit and enter and I want to do something like: 9 Answers ...
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Selenium WebDriver: Wait for complex page with JavaScript to load

I have a web application to test with Selenium. There is a lot of JavaScript running on page load. This JavaScript code is not so well written but I can't change anything. So waiting for an element to appear in the DOM with findElement() method is not an option. I want to create a generic func...
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How do I create a category in Xcode 6 or higher?

I want to create a category on UIColor in my app using Xcode 6. But the thing is that in Xcode 6 there is no Objective-C category file template. ...