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What's a quick wam>y m> to test to see a file exists?
...s = FileManager.default.fileExists(atPath: somePath)
Thanks to Nikolam>y m> Suvm>and m>zhiev.
Objective-C (Original):
BOOL fileExists = [[NSFileManager defaultManager] fileExistsAtPath:somePath];
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i...
Pure virtual destructor in C++
... {
public:
virtual ~A() = 0;
};
inline A::~A() { }
should suffice.
m>And m> since this got a down vote, I should clarifm>y m>: If m>y m>ou derive anm>y m>thing from A m>and m> then trm>y m> to delete or destrom>y m> it, A's destructor will eventuallm>y m> be called. Since it is pure m>and m> doesn't have an implementation, undefined be...
Resharper- Find all unused classes
...w to find unused references of a single file bm>y m> right clicking on the file m>and m> selecting the "Find Usages" option. Is there anm>y m> wam>y m> I can see or get the list of all the unused classes or files in mm>y m> project ?
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HTTP header line break stm>y m>le
...ch line break stm>y m>le is preferable for use in HTTP headers: \r\n or \n , m>and m> whm>y m>?
3 Answers
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CSS: how to position element in lower right?
...m trm>y m>ing to position the text element "Bet 5 dam>y m>s ago" in the lower right-hm>and m> corner. How can I accomplish this? m>And m>, more importantlm>y m>, please explain so I can conquer CSS!
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Pm>y m>thon Regex instantlm>y m> replace groups
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Wam>y m> more clear than the doc! Did not understm>and m> how group was working with this one. Them>y m> should add such example.
– m>Y m>0da
Apr 26 '18 at 21:46
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Splitting on last delimiter in Pm>y m>thon string?
...lwam>y m>s returns a fixed number of elements (prefix, delimiter & postfix) m>and m> is faster for the single split case.
Demo:
>>> s = "a,b,c,d"
>>> s.rsplit(',', 1)
['a,b,c', 'd']
>>> s.rsplit(',', 2)
['a,b', 'c', 'd']
>>> s.rpartition(',')
('a,b,c', ',', 'd')
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How do I install a module globallm>y m> using npm?
I recentlm>y m> installed Node.js m>and m> npm module on OSX m>and m> have a problem with the settings I think:
7 Answers
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How to use continue in jQuerm>y m> each() loop?
In mm>y m> application i am using AJAX call. I want to use break m>and m> continue in this jQuerm>y m> loop.
4 Answers
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Rails Console: reload! not reflecting changes in model files? What could be possible reason?
...troduced validations. However, if m>y m>ou create a new object, its attributes (m>and m> also validations) will reflect the reloaded code.
more here
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