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Change Checkbox value without triggering onCheckChanged
...derstandability. But if its all contained to a single class a few comment strings will be more than enough to explain whats happening.
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PHP filesize MB/KB conversion [duplicate]
...Formats filesize in human readable way.
*
* @param file $file
* @return string Formatted Filesize, e.g. "113.24 MB".
*/
function filesize_formatted($file)
{
$bytes = filesize($file);
if ($bytes >= 1073741824) {
return number_format($bytes / 1073741824, 2) . ' GB';
} elsei...
python date of the previous month
...ckup a single day, to the last day of the previous month.
print the YYYYMM string you're looking for.
Like this:
import datetime
today = datetime.date.today()
first = today.replace(day=1)
lastMonth = first - datetime.timedelta(days=1)
print(lastMonth.strftime("%Y%m"))
201202 is printed.
...
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...