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Hidden Features of C++? [closed]
...e type (i.e. no defaulted arguments) function1 and function2 are implictly converted to function pointers, and the result is implicitly converted back.
– MSalters
Nov 12 '10 at 15:49
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How to get the number of Characters in a String?
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???????????? alone is one grapheme, but, from unicode to code points converter, 4 runes:
????: women (1f469)
dark skin (1f3fe)
ZERO WIDTH JOINER (200d)
????red hair (1f9b0)
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Linq: adding conditions to the where clause conditionally
...ses are optionally attached to it. The final Select is optional. I use to convert the database rows objects into result "Fruit" objects.
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How do you know a variable type in java?
...nceof String; will cause error error: incompatible types: Double cannot be converted to String
– Alex78191
Feb 20 at 18:48
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Initializing a static std::map in C++
...the following way (since C++17):
// Example
template<>
class StringConverter<CacheMode> final
{
public:
static auto convert(CacheMode mode) -> const std::string&
{
// validate...
return s_modes.at(mode);
}
private:
static inline const std::map<...
How can I get the DateTime for the start of the week?
...16:00:00Z which is Mon, 03 Sep 2012 00:00:00 in local time. So it needs to convert dt to local time or do something a bit smarter. It would also need to return the result as UTC if the input was UTC.
– row1
Sep 6 '12 at 4:12
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In Docker, what's the difference between a container and an image? [duplicate]
... dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var
root@48cff2e9be75:/# cat > foo
This is a really important file!!!!
root@48cff2e9be75:/# exit
Don't expect that file to stick around when you exit and restart the image. You're restarting from exactly t...
LEFT OUTER JOIN in LINQ
...here you joined it. Suppose if those are of types string and int then just convert string key to int.
– Ankit
Jul 27 '16 at 9:35
2
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How to compare two NSDates: Which is more recent?
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Late to the party, but another easy way of comparing NSDate objects is to convert them into primitive types which allows for easy use of '>' '<' '==' etc
eg.
if ([dateA timeIntervalSinceReferenceDate] > [dateB timeIntervalSinceReferenceDate]) {
//do stuff
}
timeIntervalSinceReferen...
How do I iterate over a range of numbers defined by variables in Bash?
... ((i=1;i<=100000;++i)); do :; done real 0m21.220s user 0m19.763s sys 0m1.203s $ time for i in $(eval echo "{1..100000}"); do :; done; real 0m13.881s user 0m13.536s sys 0m0.152s
– Marcin Zaluski
Jul 4 '12 at 14:55
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