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How do I get the difference between two Dates in JavaScript?
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answered Sep 3 '08 at 15:42
Vincent RobertVincent Robert
32.2k1111 gold badges7676 silver badges113113 bronze badges
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Rounding up to next power of 2
.... You need to get the base 2 logarithm, then add 1 to that. Example for a 32-bit value:
Round up to the next highest power of 2
unsigned int v; // compute the next highest power of 2 of 32-bit v
v--;
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
v |= v >> 1...
Display date/time in user's locale format and time offset
...s(26);
console.log(d); // -> Sat Feb 28 2004 23:45:26 GMT-0300 (BRT)
console.log(d.toLocaleString()); // -> Sat Feb 28 23:45:26 2004
console.log(d.toLocaleDateString()); // -> 02/28/2004
console.log(d.toLocaleTimeString()); // -> 23:45:26
Som...
Changing one character in a string
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scvalexscvalex
12.7k22 gold badges3131 silver badges4242 bronze badges
5
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CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...建良好的互联网价值链是有价值的，也是不可或缺的。
3．CDN新应用和客户
目前的CDN服务主要应用于证券、金融保险、ISP、ICP、网上交易、门户网站、大中型公司、网络教学等领域。另外在行业专网、互联网中都可以用到，甚...
How are people unit testing with Entity Framework 6, should you bother?
...and your data can only come from your database for the second part.
Edit 13/10/2014
I did say that I'd probably revise this model over the upcoming months. While I largely stand by the approach I advocated above I've updated my testing mechanism slightly. I now tend to create the entities in in th...
Replace a string in a file with nodejs
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314
You could use simple regex:
var result = fileAsString.replace(/string to be replaced/g, 'repl...
How do I implement a callback in PHP?
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173
The manual uses the terms "callback" and "callable" interchangeably, however, "callback" traditi...
CALayers didn't get resized on its UIView's bounds change. Why?
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Lukas Würzburger
5,83566 gold badges3232 silver badges6464 bronze badges
answered Nov 4 '10 at 15:37
Chadwick WoodChadwic...
Subtract 7 days from current date
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113
use dateByAddingTimeInterval method:
NSDate *now = [NSDate date];
NSDate *sevenDaysAgo = [now d...