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How do I move forward and backward between commits in git?
...t forward in time. To go forward multiple commits, use HEAD@{2}, HEAD@{3}, etc.
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“unmappable character for encoding” warning in Java
...ight encoding everywhere your source might be compiled (Ant, Eclipse, IDEA etc).
– Jon Skeet
Jan 27 '09 at 6:38
6
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Freeze screen in chrome debugger / DevTools panel for popover inspection?
...r window and you have 5 seconds to find your element and click/hover/focus/etc it, before the breakpoint will be hit and the browser will "freeze".
Now you can inspect your clicked/hovered/focused/etc element in peace.
Of course you can modify the javascript and the timing, if you get the idea.
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Regular Expression for alphanumeric and underscores
... flavors. \w includes letters with diacritics, letters from other scripts, etc.
– Jan Goyvaerts
Dec 3 '08 at 7:45
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How to find time complexity of an algorithm
...to do you end up with time complexities like O(N), O(n2), O(log n), O(n!), etc.. I know I may be asking a lot, but still I can try :{)
– Yasser Shaikh
Jun 14 '12 at 11:33
3
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What is Ruby's double-colon `::`?
...nd one it is used to locate the class method (static) of the Routes class, etc, etc.
It is not used to expose anything, its used to "locate" stuff around your scopes.
http://en.wikipedia.org/wiki/Scope_resolution_operator
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Node.js check if file exists
...
A easier way to do this synchronously.
if (fs.existsSync('/etc/file')) {
console.log('Found file');
}
The API doc says how existsSync work:
Test whether or not the given path exists by checking with the file system.
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Do login forms need tokens against CSRF attacks?
...acker has access to saved payment information, can redirect the purchases, etc.
– you786
Dec 11 '17 at 21:40
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How to set time delay in javascript
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Place your code inside of the { }
500 = 0.5 seconds
2200 = 2.2 seconds
etc.
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Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
... if we'd say January Five, January Sixth, instead of January 5, January 6, etc., then perhaps they'd have made a 0-based enumeration for days too...
Perhaps subconsciously they thought about an enumeration for months as {January, February, ...} and for days as {One, Two, Three, ...}, except for day...