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Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
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These constants don't compile in Swift, but e.g. NSURLErrorUnknown does. Any clues?
– Nicolas Miari
Sep 17 '15 at 4:41
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Compare DATETIME and DATE ignoring time portion
...e new DATE data type in SQL Server 2008 to compare just the date portion:
IF CAST(DateField1 AS DATE) = CAST(DateField2 AS DATE)
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Loop code for each file in a directory [duplicate]
...glob may be even better for your needs:
$files = glob('folder/*.{jpg,png,gif}', GLOB_BRACE);
foreach($files as $file) {
//do your work here
}
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Regex not operator
...ver:
\((?!2001)[0-9a-zA-z _\.\-:]*\)
The (?!...) part means "only match if the text following (hence: lookahead) this doesn't (hence: negative) match this. But it doesn't actually consume the characters it matches (hence: zero-width).
There are actually 4 combinations of lookarounds with 2 axes:...
How to toggle a boolean?
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@user2846569, if you're toggling the boolean, that means that by nature the variable has already been initialized. You could expand it to bool = !bool || true; to have a default, I suppose.
– Jordan
M...
How do I find the width & height of a terminal window?
... That does not work in anything but the interactive bash session (if you run the script it is not interactive any longer). The only place you can use it in a script is the prompt_command in bash.
– Doncho Gunchev
Feb 28 '14 at 7:59
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Where does gcc look for C and C++ header files?
... where it looks for includes.
You will get a reliable answer for your specific setup.
Likewise, for the C preprocessor:
`gcc -print-prog-name=cpp` -v
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What are important languages to learn to understand different approaches and concepts? [closed]
...e door of Wolf Blitzer's boathouse. (Replace that with a hammer and a nail if you don't read xkcd)
24 Answers
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Get “Value” property in IGrouping
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So basically if we are following the essence of the question value is comparable to ToList() only there is more of an overhead there to convert it to a list as opposed to just pulling out a value
– Coops
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Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
... be noted that this method works with MultiIndex as well (using df1 as specified in Paul's example):
>>> %timeit df1.groupby(level=df1.index.names).last()
1000 loops, best of 3: 771 µs per loop
>>> %timeit df1[~df1.index.duplicated(keep='last')]
1000 loops, best of 3: 365 µs per...