大约有 40,000 项符合查询结果（耗时：0.0246秒） [XML]
What is the effect of extern “C” in C++?
...
extern "C" makes a function-name in C++ have C linkage (compiler does not mangle the name) so that client C code can link to (use) your function using a C compatible header file that contains just the declaration of your function. Your function...
How to get “wc -l” to print just the number of lines without file name?
outputs number of lines and file name.
9 Answers
9
...
Default behavior of “git push” without a branch specified
...
You can control the default behavior by setting push.default in your git config. From the git-config(1) documentation:
push.default
Defines the action git push should take if no refspec is given on the command line, no refspec is configured in the remote, and no...
How to get the command line args passed to a running process on unix/linux systems?
...overflow.com/questions/199130/… for more info. You can query your kernel setting with getconf PAGE_SIZE, it's usually 4096.
– t0r0X
Apr 25 '14 at 14:34
...
How to autosize a textarea using Prototype?
...the browser handles rendering / sizing the hidden div, we avoid
explicitly setting the textarea’s height.
document.addEventListener('DOMContentLoaded', () => {
textArea.addEventListener('change', autosize, false)
textArea.addEventListener('keydown', autosize, false)
textAre...
Correctly determine if date string is a valid date in that format
...p
function validateDateTime($dateStr, $format)
{
date_default_timezone_set('UTC');
$date = DateTime::createFromFormat($format, $dateStr);
return $date && ($date->format($format) === $dateStr);
}
// These return true
validateDateTime('2001-03-10 17:16:18', 'Y-m-d H:i:s');
vali...
Split List into Sublists with LINQ
... return !done;
}
public void Reset()
{
// per http://msdn.microsoft.com/en-us/library/system.collections.ienumerator.reset.aspx
throw new NotSupportedException();
}
}
...
Check if a file exists with wildcard in shell script [duplicate]
...
You should add unsetopt nomatch if zsh reports errors.
– Chih-Hsuan Yen
Jan 3 '15 at 9:38
7
...
Fastest way to find second (third…) highest/lowest value in vector or column
...;- length(x)
if(N>len){
warning('N greater than length(x). Setting N=length(x)')
N <- length(x)
}
sort(x,partial=len-N+1)[len-N+1]
}
microbenchmark::microbenchmark(
Rfast = Rfast::nth(x,5,descending = T),
maxn = maxN(x,5),
order = x[order(x, decreasing...
Why are there two kinds of functions in Elixir?
I'm learning Elixir and wonder why it has two types of function definitions:
8 Answers
...