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What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
...o do a lot of calculations, and can show that rounding errors matter, then cast to 64-bit float first.
– nilskp
Jul 2 '13 at 15:09
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How to format a string as a telephone number in C#
... If I'm dealing with a string already, as the poster has said, casting it to a long and back again seems silly.
– Ryan Duffield
Oct 9 '08 at 18:39
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python exception message capturing
... @HeribertoJuárez Why catch special cases while you can simply cast it to string?
– HosseyNJF
Apr 19 at 18:13
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How can I check for an empty/undefined/null string in JavaScript?
...e !!(not not) operator.
if(!!str){
// Some code here
}
Or use type casting:
if(Boolean(str)){
// Code here
}
Both do the same function. Typecast the variable to Boolean, where str is a variable.
It returns false for null,undefined,0,000,"",false.
It returns true for string "0" and whi...
How can I define an interface for an array of objects with Typescript?
...erface, eg. id?: number; label?: string; key?: any the best way to avoid a casting issue if you use less properties than what is defined in the interface? Ie. I may not specify key in the typed array setup.
– GONeale
Feb 1 '16 at 4:48
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How to parse a string into a nullable int
...this in one line, using the conditional operator and the fact that you can cast null to a nullable type (two lines, if you don't have a pre-existing int you can reuse for the output of TryParse):
Pre C#7:
int tempVal;
int? val = Int32.TryParse(stringVal, out tempVal) ? Int32.Parse(stringVal) : (in...
Getting time elapsed in Objective-C
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Anyone know why there is a redundant (void) cast on the mach_timebase_info call?
– Simon Tillson
Dec 10 '13 at 10:57
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How to avoid “RuntimeError: dictionary changed size during iteration” error?
...ot iterate through a dictionary while its changing during for loop. Make a casting to list and iterate over that list, it works for me.
for key in list(d):
if not d[key]:
d.pop(key)
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How to create a button programmatically?
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As of Swift 1.2 downcasts can no longer be done with "as", they must be “forced failable” with "as!".
– TenaciousJay
May 1 '15 at 16:38
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How to suppress GCC warnings from library headers?
...hpp>
#include <boost/uuid/uuid_io.hpp>
#include <boost/lexical_cast.hpp>
// turn the warnings back on
#pragma GCC diagnostic pop
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