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Should it be “Arrange-Assert-Act-Assert”?

...ellent book xUnit Test Patterns by Gerard Meszaros (highly recommended). Normally, I don't use this pattern myself, since I find it more correct to write a specific test that validates whatever precondition I feel the need to ensure. Such a test should always fail if the precondition fails, and thi...
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How do I switch between the header and implementation file in Xcode 4?

... Ctrl+Cmd+Up or Down, but the shortcut seems a bit finicky and sometimes stops working, not yet sure when and why. Be sure to FIRST click ON the actual code window... that's the critical tip to ensure it works. Click anywhere at all on t...
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No connection string named 'MyEntities' could be found in the application config file

I am using entity framework and ASP.NET MVC 4 to build an application 28 Answers 28 ...
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Core Data: Quickest way to delete all instances of an entity

I'm using Core Data to locally persist results from a Web Services call. The web service returns the full object model for, let's say, "Cars" - could be about 2000 of them (and I can't make the Web Service return anything less than 1 or ALL cars. ...
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Why use pip over easy_install? [closed]

... Many of the answers here are out of date for 2015 (although the initially accepted one from Daniel Roseman is not). Here's the current state of things: Binary packages are now distributed as wheels (.whl files)—not just on PyPI, but in third-party repositories li...
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Python - How to sort a list of lists by the fourth element in each list? [duplicate]

I would like to sort the following list of lists by the fourth element (the integer) in each individual list. 2 Answers ...
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What are some alternatives to ReSharper? [closed]

... main alternative is: CodeRush, by DevExpress. Most consider either this or ReSharper the way to go. You cannot go wrong with either. Both have their fans, both are powerful, and both have talented teams constantly improving them. We have all benefited from the competition between these two. I won...
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New self vs. new static

I am converting a PHP 5.3 library to work on PHP 5.2. The main thing standing in my way is the use of late static binding like return new static($options); , if I convert this to return new self($options) will I get the same results? ...
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Import multiple csv files into pandas and concatenate into one DataFrame

I would like to read several csv files from a directory into pandas and concatenate them into one big DataFrame. I have not been able to figure it out though. Here is what I have so far: ...
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How exactly do Django content types work?

...to do things. That being said, if I'm going to use Django then I have to work within the confines of the framework. 2 Answ...