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Get current date in milliseconds
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CFAbsoluteTime timeInSeconds = CFAbsoluteTimeGetCurrent();
You can read more about this method here. You can also create a NSDate object and get time by calling timeIntervalSince1970 which returns the seconds since 1/1/1970:
NSTimeInterval timeInSeconds = [[NSDate date] timeIntervalSince1970];
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Better way to get type of a Javascript variable?
...own object type (prototypal inheritance), how could you get it to return a more specific value than "object"? This was also raised as an issue here, but was never addressed.
– EleventyOne
Jul 27 '13 at 19:30
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How to check what user php is running as?
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When should I use a List vs a LinkedList
...and additions would give a better idea. 3) Most importantly, you're adding more than required to a linkedlist. This is a wrong comparison. Spreads wrong idea about linkedlist.
– nawfal
Jul 2 '14 at 22:18
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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
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[Edit]
zxoq at http://news.ycombinator.com/item?id=3672744 has added more interesting new subscripting. (Added with literals):
arr[1] === [arr objectAtIndex:1]
dict[@"key"] === [dict objectForKey:@"key"]
[Edit 2]
The new ObjC literals were discussed in multiple WWDC 2012 sessions. I...
Setting background-image using jQuery CSS property
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This is great, much better than the more direct solution.
– Jimbali
Jun 7 '13 at 14:34
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PHP validation/regex for URL
...railing period). I'm sure it could be cleaned up but since it worked. I've more or less just copied it over from project to project.
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How to scale down a range of numbers with a known min and max value
...ead we want to get arbitrary values of a and b, we need something a little more complicated:
(b-a)(x - min)
f(x) = -------------- + a
max - min
You can verify that putting in min for x now gives a, and putting in max gives b.
You might also notice that (b-a)/(max-min) is a scal...
Section vs Article HTML5
...m as HTML5 <section> s, but on further inspection it looks they the more correct tag would be <article> . Could anyone shed some light on this for me?
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