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Best way to initialize (empty) array in PHP

...o = [] rather than var foo = new Array() for reasons of object creation and instantiation. I wonder whether there are any equivalences in PHP? ...
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Java equivalent to #region in C#

... There's no such standard equivalent. Some IDEs - Intellij, for instance, or Eclipse - can fold depending on the code types involved (constructors, imports etc.), but there's nothing quite like #region. ...
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How do I add a path to PYTHONPATH in virtualenv

... you can also navigate to your virtual environment's site-packages folder and create a symbolic link to the .pth file like this: ln -s path/to/somfile.pth. I found this useful when I needed the same directory to be accessible in multiple virtual environments – Data-phile ...
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What's the difference between QMainWindow, QWidget and QDialog?

What's the difference between QMainWindow, QWidget and QDialog? 2 Answers 2 ...
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Why is the Windows cmd.exe limited to 80 characters wide?

...my terminal on unix. What is the history or reason behind windows lame command line? 14 Answers ...
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Understanding reference counting with Cocoa and Objective-C

I'm just beginning to have a look at Objective-C and Cocoa with a view to playing with the iPhone SDK. I'm reasonably comfortable with C's malloc and free concept, but Cocoa's references counting scheme has me rather confused. I'm told it's very elegant once you understand it, but I'm just not o...
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detect key press in python?

I am making a stopwatch type program in python and I would like to know how to detect if a key is pressed (such as p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while lo...
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Testing web application on Mac/Safari when I don't own a Mac

...ntly when a web site I launched displayed perfectly on IE, Firefox, Chrome and Safari on Windows but was corrupted when viewed using Safari on the Mac (by a potential customer), I need to start testing how my sites look when viewed on a Mac. ...
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How to Diff between local uncommitted changes and origin

Let's say I cloned a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes ...
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reformat in vim for a nice column layout

... If you're on some kind of UNIX (Linux, etc), you can cheat and filter it through the column(1) command. :%!column -t The above will parse on delimiters inside string literals which is wrong, so you will likely need pre-processing steps and specifying the delimiter for this file fo...