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How can I center a div within another div? [duplicate]

...ntered within #main_content . However, it is not. Why isn't this working, and how can I fix it? 27 Answers ...
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how to unit test file upload in django

...ase. To POST a file, you need only provide the file field name as a key, and a file handle to the file you wish to upload as a value. For example: c = Client() with open('wishlist.doc') as fp: c.post('/customers/wishes/', {'name': 'fred', 'attachment': fp}) ...
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presentViewController:animated:YES view will not appear until user taps again

... I've encountered the same issue today. I dug into the topic and it seems that it's related to the main runloop being asleep. Actually it's a very subtle bug, because if you have the slightest feedback animation, timers, etc. in your code this issue won't surface because the runloop ...
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Favorite Visual Studio keyboard shortcuts [closed]

...r favorite Visual Studio keyboard shortcut? I'm always up for leaving my hands on the keyboard and away from the mouse! ...
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How can I use functional programming in the real world? [closed]

...at will pass functions off to different CPU's or machines. What F#/Haskell and other functional programming languages do is make it easier for you to write functions that can be processed independent of the thread or CPU they were created on. I don't feel right posting a link here to a podcast I pa...
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Maven: Failed to read artifact descriptor

...an always try mvn -U clean install -U forces a check for updated releases and snapshots on remote repositories. share | improve this answer | follow | ...
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Optimize Font Awesome for only used classes

...will have to manually trim down yourself. Open up the provided .scss file and hack out anything you don't need. Editing the font file itself to eliminate unneeded glyphs requires a 3rd party application to do so and is beyond the scope of this question. Fontello is an online web service that c...
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How to retrieve a module's path?

...For the file I'm in I had to import another module from the same directory and do as shown here. Does anyone know a more convenient way? – Ben Bryant Jan 19 '12 at 18:11 ...
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How do I create an abstract base class in JavaScript?

...nction() { throw new Error("Abstract method!"); } The Animal "class" and the say method are abstract. Creating an instance would throw an error: new Animal(); // throws This is how you "inherit" from it: var Cat = function() { Animal.apply(this, arguments); // Cat initialization....
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Viewing unpushed Git commits

...e changes I found here: wincent.com/blog/… …the problem was resolved, and I could use git status again to see what I wanted. – Josh Buhler Jan 6 '10 at 22:57 6 ...