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What are the differences between .gitignore and .gitkeep?

...ack empty directories in Git have created the convention of putting files called .gitkeep in these directories. The file could be called anything; Git assigns no special significance to this name. There is a competing convention of adding a .gitignore file to the empty directories to get them track...
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Best way to show a loading/progress indicator?

...:18 vwvw 32133 silver badges1212 bronze badges answered Oct 11 '12 at 14:50 Suraj BajajSuraj Bajaj ...
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What does each of the [y,n,q,a,d,/,K,j,J,g,e,?] stand for in context of git -p

...this hunk nor any of the remaining ones a - stage this hunk and all later hunks in the file d - do not stage this hunk nor any of the later hunks in the file g - select a hunk to go to / - search for a hunk matching the given regex j - leave thi...
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Calling a method every x minutes

I want to call some method on every 5 minutes. How can I do this? 7 Answers 7 ...
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?

...at I'll refer to as "the Gmail three-fragment animation" scenario. Specifically, we want to start with two fragments, like this: ...
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Fastest way to get the first object from a queryset in django?

...eturn None if there aren't any. There are lots of ways to do this which all work. But I'm wondering which is the most performant. ...
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Elegant ways to support equivalence (“equality”) in Python classes

When writing custom classes it is often important to allow equivalence by means of the == and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method: ...
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How to find gaps in sequential numbering in mysql?

... mattmatt 4,07611 gold badge2323 silver badges3030 bronze badges 6 ...
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Downloading images with node.js [closed]

... 32 You can use Axios (a promise-based HTTP client for Node.js) to download images in the order of ...
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Check if key exists and iterate the JSON array using Python

... If all you want is to check if key exists or not h = {'a': 1} 'b' in h # returns False If you want to check if there is a value for key h.get('b') # returns None Return a default value if actual value is missing h.get('b'...