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.c vs .cc vs. .cpp vs .hpp vs .h vs .cxx [duplicate]
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Historically, the first extensions used for C++ were .c and .h, exactly like for C. This caused practical problems, especially the .c which didn't allow build systems to easily differentiate C++ and C files.
Unix, on which C++ has ...
How to remove part of a string? [closed]
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If you're specifically targetting "11223344", then use str_replace:
// str_replace($search, $replace, $subject)
echo str_replace("11223344", "","REGISTER 11223344 here");
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How can I find the number of days between two Date objects in Ruby?
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all of these steered me to the correct result, but I wound up doing
DateTime.now.mjd - DateTime.parse("01-01-1995").mjd
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Check if a subview is in a view
...he same way, when the button with that IBAction is touched again should call removeFromSuperview on that subview added on that IBAction :
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Check if a key exists inside a json object
...ld, it will shadow the original func. Use Object.prototype.hasOwnProperty.call(thisSession, 'merchant_id')
– Zmey
Dec 25 '19 at 17:38
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Resize image proportionally with CSS? [duplicate]
Is there a way to resize (scale down) images proportionally using ONLY CSS?
18 Answers
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How to get the position of a character in Python?
...ring.index('s')
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>>> myString.index('x')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: substring not found
From the Python manual
string.find(s, sub[, start[, end]])
Return the lowest index in s where the substring sub is found s...
What is the “hasClass” function with plain JavaScript?
...ok at jQuery's source code on github or at the source for hasClass specifically in this source viewer.
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How are msys, msys2, and msysgit related to each other?
...though it does that very well). It has a software building infrastructure called makepkg that allows the creation of recipes (PKGBUILD and patch files) for building software.
IMHO, the adoption of Pacman changes things significantly for open source development on Windows. Instead of everyone hackin...
Regex empty string or email
...hing an email address (that is, if you want wrong code that happens to (usually) work), use the regular-expressions.info link someone else submitted.
As for the empty string, ^$ is mentioned by multiple people and will work fine.
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