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Which version of PostgreSQL am I running?
...ver_version; is very handy in scripts to avoid having to parse in the long string of SELECT version();.
– vaab
Jun 2 '14 at 15:18
...
How do you send a HEAD HTTP request in Python 2?
...
response.info().__str__() will return string format of the header, in case you want to do something with the result you get.
– Shane
Oct 12 '10 at 12:17
...
Tracking the script execution time in PHP
... @Darryl Hein: Oh, and you get weird results because you are using string concatenation instead of addition ;)
– phihag
Feb 22 '09 at 22:19
...
Default parameters with C++ constructors [closed]
...-argument constructor:
class Vehicle {
public:
Vehicle(int wheels, std::string name = "Mini");
};
Vehicle x = 5; // this compiles just fine... did you really want it to?
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How do i find out what all symbols are exported from a shared object?
...ning: Cannot initialize program headers
Warning: Cannot initialize dynamic strings
Warning: Cannot initialize dynamic section
[Symbols]
vaddr=0x08000149 paddr=0x00000149 ord=006 fwd=NONE sz=1 bind=LOCAL type=OBJECT name=std::piecewise_construct
vaddr=0x08000149 paddr=0x00000149 ord=007 fwd=NONE sz=1...
C++, copy set to vector
...e a performance implication for
non-trivially constructed types (e.g. std::string).
We need to avoid constructing a vector with the size argument which
causes all elements default constructed (for nothing). Like with
solution using std::copy(), for instance.
And, finally, vector::assign() method or ...
The simplest possible JavaScript countdown timer? [closed]
...r you need to use the date object.
Calculate the difference.
Format your string.
window.onload=function(){
var start=Date.now(),r=document.getElementById('r');
(function f(){
var diff=Date.now()-start,ns=(((3e5-diff)/1e3)>>0),m=(ns/60)>>0,s=ns-m*60;
r.textConte...
MySQL - UPDATE multiple rows with different values in one query
... PushSettings {
private List<PushSetting> settings;
private String userId;
}
it works fine
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Why is the console window closing immediately once displayed my output?
...e end of Main method.
using System.Diagnostics;
private static void Main(string[] args) {
DoWork();
if (Debugger.IsAttached) {
Console.WriteLine("Press any key to continue . . .");
Console.ReadLine();
}
}
...
How to make HTML Text unselectable [duplicate]
...avascript prefixes: ['Moz', 'Webkit', 'ms', 'O', 'Khtml', ''] /*with empty string for no prefix*/. You should correctly deal with camelCase. And it's a serious bug that you are overwriting onselectstart and onmousedown event handlers with your function, so previously attached handlers do not work an...