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Difference between signed / unsigned char [duplicate]
...gard) as int, short and other integer types. char just happens to be the smallest integer type. So, just like any other integer type, it can be signed or unsigned.
It is true that (as the name suggests) char is mostly intended to be used to represent characters. But characters in C are represented ...
Regex for splitting a string using space when not surrounded by single or double quotes
...ing to put together an expression that will split the example string using all spaces that are not surrounded by single or double quotes. My last attempt looks like this: (?!") and isn't quite working. It's splitting on the space before the quote.
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Programmatically get own phone number in iOS
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What's the best reason you have seen for Apple disallowing permission-based access to the user's phone number? Apple already allows permission-based access to contacts, photos, location, and the user's camera and microphone. Why not the phone number? There must be a good rea...
Margin on child element moves parent element
...igns this idea can bite you when you explicitly want a container. This is called a new block formatting context in CSS speak. The overflow or margin trick will give you that.
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How to link a folder with an existing Heroku app
...y. However, I'm confused as to how to link this folder up to Heroku. Originally, I used the heroku create command, but obviously I don't want to do that this time since it will create another Heroku instance.
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Save Screen (program) output to a file
I need to save the whole output of Screen to a file to check later all the content.
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Does :before not work on img elements?
... place an image before an img element, only some other element. Specifically, my styles are:
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In Python, how do you convert a `datetime` object to seconds?
...datetime(1970,1,1)).total_seconds()
1256083200.0
The starting date is usually specified in UTC, so for proper results the datetime you feed into this formula should be in UTC as well. If your datetime isn't in UTC already, you'll need to convert it before you use it, or attach a tzinfo class that ...
Removing item from vector, while in C++11 range 'for' loop?
... @SethCarnegie Erase-remove with a lambda for the predicate elegantly allows that (since this is already C++11)
– Potatoswatter
Apr 28 '12 at 23:13
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Fast ceiling of an integer division in C / C++
...cture's divide instruction also includes remainder in its result so this really needs only one division and would be very fast
– phuclv
Jan 25 '14 at 11:15
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