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How to calculate time elapsed in bash script?
...ate into performing the time arithmetic for you, by writing date -u -d @"$diff" +'%-Mm %-Ss'. (That interprets $diff as seconds-since-the-epoch, and computes the minutes and seconds in UTC.) That's probably not any more elegant, though, just better obfuscated. :-P
– ruakh
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Best way to detect when a user leaves a web page?
What is the best way to detect if a user leaves a web page?
8 Answers
8
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jQuery lose focus event
I'm trying to show up a container if a input field gets the focus and - that's the actual problem - hide the container if focus is lost. Is there an opposite event for jQuery's focus?
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JSHint and jQuery: '$' is not defined
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If you are using a relatively recent version of JSHint, the generally preferred approach is to create a .jshintrc file in the root of your project, and put this config in it:
{
"globals": {
"$": false
}
}
T...
mongodb count num of distinct values per field/key
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this doesn't really work if your number of distinct values is too high... if you were looking at distinct names of people in the world or something. do you have an answer that scales?
– underrun
Oct 1 '14 at 18:...
What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]
What's the difference between INNER JOIN , LEFT JOIN , RIGHT JOIN and FULL JOIN
in MySQL ?
3 Answers
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How do I programmatically “restart” an Android app?
...on Android. In my use case I want to factory-reset my application in a specific case where a server sends a specific information to the client.
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Local Storage vs Cookies
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Cookies and local storage serve different purposes. Cookies are primarily for reading server-side, local storage can only be read by the client-side. So the question is, in your app, who needs this data — the client or the server?
If it's your client (you...
Free space in a CMD shell
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If you run "dir c:\", the last line will give you the free disk space.
Edit:
Better solution: "fsutil volume diskfree c:"
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multiple tags
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@igasparetto Completely valid, especially if you're using it in a way that represents the structure of the content and not merely for the convenience of styling.
– coreyward
Oct 16 '15 at 16:39
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