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String length in bytes in JavaScript
...ars passed and nowadays you can do it natively
(new TextEncoder().encode('foo')).length
Note that it's not supported yet by IE (or Edge) (you may use a polyfill for that).
MDN documentation
Standard specifications
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How to Batch Rename Files in a macOS Terminal?
... An example using matched replacements (.* -> $1), e.g. Rename Foo bar S01E01 biz baz.ext to S01E01.ext: rename -n -e 's/.*(S[0-9]{2}E[0-9]{2}).*(\.[a-z]{2,4})/$1$2/' *
– Steve Robbins
Jan 6 '16 at 7:48
...
Accurate way to measure execution times of php scripts
...How to use it:
include('timeit.php');
const SOME_CODE = '
strlen("foo bar");
';
$t = timeit(SOME_CODE);
print "$t[0] loops; $t[2] per loop\n";
Result:
$ php x.php
100000 loops; 18.08us per loop
Disclaimer: I am the author of this Gist
EDIT: timeit is now a separate, self-contained pr...
Show just the current branch in Git
... This will break if you have slashes in your branch names ("task/foo", "feature/bar"). A bunch of my buildscripts started failing when colleagues decided that slashes were cool...
– vacri
Mar 22 '18 at 5:24
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Showing which files have changed between two revisions
... I've bookmarked it in delicious.com for future reference and extra google-foo.
– Orwellophile
Oct 21 '15 at 15:29
Sev...
Remove all line breaks from a long string of text
...option is regex:
>>> import re
>>> re.sub("\n|\r", "", "Foo\n\rbar\n\rbaz\n\r")
'Foobarbaz'
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How do I read from parameters.yml in a controller in symfony2?
... can call getParameter directly, with no DI. I.e.: $this->getParameter('foo'). That's what I did to make it work in SF 4.8.
– Ricardo Martins
May 24 at 22:36
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...
More elegant “ps aux | grep -v grep”
... info beside pid, cmdline, you need ps. Can combine them: ps -p $(pgrep -f foo)
– Beni Cherniavsky-Paskin
Jul 30 '17 at 9:00
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jQuery first child of “this”
...pproaches to get the first child (total 1000+ children)
given, notif = $('#foo')
jQuery ways:
$(":first-child", notif) - 4,304 ops/sec - fastest
notif.children(":first") - 653 ops/sec - 85% slower
notif.children()[0] - 1,416 ops/sec - 67% slower
Native ways:
JavaScript native' ele.firstChild - 4,...
req.body empty on posts
...-parser package will parse multi-line raw JSON payloads just fine.
{
"foo": "bar"
}
Tested in Chrome v37 and v41 with the Postman v0.8.4.13 extension (body-parser v1.12.2 and express v4.12.3) with the setup below:
var express = require('express');
var app = express();
var bodyParser = requir...