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Rails server says port already used, how to kill that process?
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This has become "ps aux | grep ruby" for me. Maybe from the switch from webrick to puma
– rigyt
Nov 11 '17 at 19:53
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Passing parameters to JavaScript files
...curity policy). We use a lot of scripts wherein we pass strings determined from language resources and API keys etc. into JS files.
– monkeySeeMonkeyDo
Sep 16 '19 at 14:24
2
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Haskell offline documentation?
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Hoogle is available offline, installable from Cabal: http://hackage.haskell.org/package/hoogle
Usage instructions are at http://www.haskell.org/haskellwiki/Hoogle#Command_Line_Search_Flags.
Usage:
$ hoogle --help
Hoogle v4.2.8, (C) Neil Mitchell 2004-2011
http://...
How does one unit test routes with Express?
...ller = require('./usercontroller');
UserController.setDB(databaseHandleFromSomewhere);
UserController.findUserByEmail(req.params.email, function(err, result) {
if (err) throw err;
res.json(result);
});
});
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PHP - how to create a newline character?
...nd in single quoted string. Are there any other such HTML characters apart from these three that can be understood by PHP inside the single quoted strings? I kindly request you to update your answer accordingly. Thank You.
– PHPFan
Nov 18 '17 at 9:17
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Exotic architectures the standards committees care about
...for special handling of denormals in any context other than conversions to/from other types. Too bad C's printf messed everything up.
– supercat
Apr 30 '15 at 16:32
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Base64 length calculation?
...nded up to a multiple of 4.
The number of unused padding chars resulting from the rounding up to a multiple of 4 will obviously be 0, 1, 2 or 3.
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Test for multiple cases in a switch, like an OR (||)
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You need to make two case labels.
Control will fall through from the first label to the second, so they'll both execute the same code.
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How do I get an element to scroll into view, using jQuery?
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var offset = $(this).offset(); // Contains .top and .left
Subtract 20 from top and left:
offset.left -= 20;
offset.top -= 20;
Now animate the scroll-top and scroll-left CSS properties of <body> and <html>:
$('html, body').animate({
scrollTop: offset.top,
scrollLeft: offse...
Why are static variables considered evil?
...uy a car if the salesperson told you "The design of this model prevents it from being tested, so I don't know if it actually runs"? Testability is so crucial for software (as well as cars), that competent design DEMANDS that it be included.
– Dawood ibn Kareem
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