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Bash tool to get nth line from a file
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832
head and pipe with tail will be slow for a huge file. I would suggest sed like this:
sed 'NUM...
Check time difference in Javascript
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date2.setDate(date2.getDate() + 1);
}
var diff = date2 - date1;
// 28800000 milliseconds (8 hours)
You can then convert milliseconds to hour, minute and seconds like this:
var msec = diff;
var hh = Math.floor(msec / 1000 / 60 / 60);
msec -= hh * 1000 * 60 * 60;
var mm = Math.floor(msec /...
How to stop an app on Heroku?
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Ryan DaigleRyan Daigle
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Update ViewPager dynamically?
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edited Aug 3 '17 at 16:28
H. Saul
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answered Jun 1 '12 at 14:22
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How can I get the button that caused the submit from the form submit event?
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108
I leveraged document.activeElement as sketched in this answer: How to get the focused element wi...
Case insensitive 'in'
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186
username = 'MICHAEL89'
if username.upper() in (name.upper() for name in USERNAMES):
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A...
Check if EditText is empty. [closed]
...emarcvaldemar
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4
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Why does 2 == [2] in JavaScript?
...(relevant sections of ECMA-262, 3rd edition for your problem: 11.9.3, 9.1, 8.6.2.6).
If you translate the involved abstract algorithms back to JS, what happens when evaluating 2 == [2] is basically this:
2 === Number([2].valueOf().toString())
where valueOf() for arrays returns the array itself a...
Can a for loop increment/decrement by more than one?
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answered Oct 9 '12 at 23:18
Andrew WhitakerAndrew Whitaker
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Unit testing of private methods [duplicate]
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