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Get the time difference between two datetimes
...will work ONLY when the total duration is less than 24 hours:
var now = "04/09/2013 15:00:00";
var then = "04/09/2013 14:20:30";
moment.utc(moment(now,"DD/MM/YYYY HH:mm:ss").diff(moment(then,"DD/MM/YYYY HH:mm:ss"))).format("HH:mm:ss")
// outputs: "00:39:30"
If you have 24 hours or more, the ho...
When to use the different log levels
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answered Jan 8 '10 at 22:26
GrayWizardxGrayWizardx
15.6k22 gold badges2727 silver badges4343 bronze badges
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
...工作，因此不会阻塞主 UI 线程。这对于在可能需要超过 100 毫秒左右的操作期间获得良好的用户体验非常重要。阻塞主 UI 线程将使您的应用程序看起来“冻结”并变得无响应，用户不喜欢这样。
当您需要执行需要一段时间的数...
Try-catch speeding up my code?
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1063
One of the Roslyn engineers who specializes in understanding optimization of stack usage took ...
Changing one character in a string
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answered Aug 4 '09 at 16:41
scvalexscvalex
12.7k22 gold badges3131 silver badges4242 bronze badges
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What is the current state of the art in HTML canvas JavaScript libraries and frameworks? [closed]
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+200
I've been working on fabric.js — a canvas library to help with exactly that — manipulating objects on canvas, by handling event...
Is there a standard for storing normalized phone numbers in a database?
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80
First, beyond the country code, there is no real standard. About the best you can do is recogniz...
Need to handle uncaught exception and send log file
... = null;
try {
info = manager.getPackageInfo (this.getPackageName(), 0);
} catch (NameNotFoundException e2) {
}
String model = Build.MODEL;
if (!model.startsWith(Build.MANUFACTURER))
model = Build.MANUFACTURER + " " + model;
// Make file name - file must be saved to external sto...
Resolve absolute path from relative path and/or file name
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160
In batch files, as in standard C programs, argument 0 contains the path to the currently executi...
What are the pros and cons of the SVN plugins for Eclipse, Subclipse and Subversive? [closed]
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edited Jan 12 '16 at 19:10
community wiki
2 re...