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Delete first character of a string in Javascript
... @Hejner: If the types are the same, as they always would be in this case, then === and == perform precisely the same steps (according to the spec, at least), so there is no reason to expect one to perform better than the other.
– Tim Down
Oct 28 '13 at 9:40
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How to randomly pick an element from an array
...to generate a random number between 0 and array length: random_number, and then use the random number to get the integer: array[random_number]
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How to create a jQuery function (a new jQuery method or plugin)?
...() {
alert('hello world');
return this;
};
})( jQuery );
Then you do
$('#my_div').myfunction();
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C++ equivalent of java's instanceof
...do not need to be handled diffently. If they need to be handled diffently, then I would add a catch block for each exception.
– mslot
Aug 12 '13 at 14:03
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Where does PostgreSQL store the database?
...named pg_database under C:\Program Files (x86)\PostgreSQL\8.2\data\global. Then you should search for the folder name by that number under C:\Program Files (x86)\PostgreSQL\8.2\data\base. That is the content of the database.
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Check if EditText is empty. [closed]
... if EditText.setInputType(InputType.TYPE_CLASS_NUMBER); number then use this.
– Zala Janaksinh
Jul 20 '13 at 6:32
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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...chrome.exe and a dir like 18.0.1025.45.
Move chrome.exe to 18.0.1025.45, then move this directory to
C:\Chrome. The remaining files in Chrome-bin can safely be
deleted.
Create a shortcut for each version:
"C:\Chrome\18.0.1024.45\chrome.exe" --user-data-dir="..\User Data\18" --chrome-version...
PHP String to Float
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Well, if user write 1,00,000 then floatvar will show error. So -
floatval(preg_replace("/[^-0-9\.]/","",$input));
This is much more reliable.
Usage :
$input = '1,03,24,23,434,500.6798633 this';
echo floatval(preg_replace("/[^-0-9\.]/","",$input));...
How can I programmatically create a new cron job?
...o stderr. There's no reason to capture that output, send it to stdout, and then filter it out using grep. If your goal is to avoid seeing crontab: no crontab for... in your output, then use 2> /dev/null | sort.....
– matty
Sep 2 '16 at 13:43
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Prevent flicker on webkit-transition of webkit-transform [duplicate]
...ity: hidden. On webkit, the background would show until the flip finished, then disappear. My transform was : translateY(180deg). To fix the disappearance in webkit I had to apply, transform: translateZ(-1px) translateY(180deg);, this resolved the disappearance issue. A z-index issue, but of the 3d...