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Clearing NSUserDefaults
...e application settings. This consists of roughly a dozen string values. Is it possible to delete these values permanently instead of just setting them to a default value?
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How to delete all files and folders in a directory?
...etFiles(), because when you use EnumerateFiles() you can start enumerating it before the whole collection is returned, as opposed to GetFiles() where you need to load the entire collection in memory before begin to enumerate it. See this quote here:
Therefore, when you are working with many file...
How to add Git's branch name to the commit message?
I need some help with a Bash script that will automatically add the git's branch name as a hash in commit messages.
9 Answe...
What does the constant 0.0039215689 represent?
... 1/255.
Seeing that this is OpenGL, performance is probably important. So it's probably safe to guess that this was done for performance reasons.
Multiplying by the reciprocal is faster than repeatedly dividing by 255.
Side Note:
If you're wondering why such a micro-optimization isn't left to ...
What is a “thread” (really)?
I have been trying to find a good definition, and get an understanding, of what a thread really is.
10 Answers
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Select arrow style change
I'm trying to replace the arrow of a select with a picture of my own. I'm including the select in a div with the same size, I set the background of the select as transparent and I'm including a picture(with the same size as the arrow) in the right top corner of the div as background.
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Comprehensive beginner's virtualenv tutorial? [closed]
...rd is a smattering of praise, and don't have a clear understanding of what it is or how to use it.
4 Answers
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How to limit the maximum value of a numeric field in a Django model?
...us numeric fields available for use in models, e.g. DecimalField and PositiveIntegerField . Although the former can be restricted to the number of decimal places stored and the overall number of characters stored, is there any way to restrict it to storing only numbers within a certain range, e...
How to load local script files as fallback in cases where CDN are blocked/unavailable? [duplicate]
... you can check for existence any variable/function this script defines, if it is undefined - then cdn failed and you need to load local script copy.
On this principle are based solutions like that:
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
<s...
setTimeout in for-loop does not print consecutive values [duplicate]
...e same variable "i". When the loop is finished, what's the value of "i"? It's 3! By using an intermediating function, a copy of the value of the variable is made. Since the timeout handler is created in the context of that copy, it has its own private "i" to use.
edit — there have been a coup...