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How do I get the difference between two Dates in JavaScript?
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In JavaScript, dates can be transformed to the number of milliseconds since the epoc by calling the getTime() method or just using the date in a numeric expression.
So to get the difference, just subtract the two dates.
To create a new date based on the di...
How to split a file into equal parts, without breaking individual lines? [duplicate]
... was possible to split a file into equal parts ( edit: = all equal except for the last), without breaking the line? Using the split command in Unix, lines may be broken in half. Is there a way to, say, split up a file in 5 equal parts, but have it still only consist of whole lines (it's no problem ...
Get the current URL with JavaScript?
...n.href
As noted in the comments, the line below works, but it is bugged for Firefox.
document.URL;
See URL of type DOMString, readonly.
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How to print register values in GDB?
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Bridgette's answer works for me. geekosaur's answer is mostly right, but you need to omit the % sign, so the command for a specific register is info registers eax. I'm not sure if this is different for different versions of gdb, though.
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Responsively change div size keeping aspect ratio [duplicate]
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You, sir, have won the Internet. This is huge, especially for background images on responsive designs. Thank you!
– Vidal Quevedo
Oct 11 '13 at 23:27
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How to make sure that string is valid JSON using JSON.NET
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if ((strInput.StartsWith("{") && strInput.EndsWith("}")) || //For object
(strInput.StartsWith("[") && strInput.EndsWith("]"))) //For array
{
try
{
var obj = JToken.Parse(strInput);
return true;
}
catch (JsonRead...
Difference between getDefaultSharedPreferences and getSharedPreferences
...To bad getDefaultSharedPreferencesName is not public as the name is needed for the backup / restore framework.
– Martin
Apr 7 '12 at 14:17
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Daemon Threads Explanation
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Some threads do background tasks, like sending keepalive packets, or performing periodic garbage collection, or whatever. These are only useful when the main program is running, and it's okay to kill them off once the other, non-daemon, threads have exited.
Without daemon threads, you'd have to ...
How to update Ruby to 1.9.x on Mac?
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I'll make a strong suggestion for rvm.
It's a great way to manage multiple Rubies and gems sets without colliding with the system version.
I'll add that now (4/2/2013), I use rbenv a lot, because my needs are simple. RVM is great, but it's got a lot ...
Saving changes after table edit in SQL Server Management Studio
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I would personally discourage using the designer for important databases. I have seen it make costly mistakes on many occasions. Besides, it promotes lazy development habits and allows people to modify database structure who may not be proficient enough to do so if they c...