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Format: <type>(<scope>): <subject>
<scope>
is optional
flex-flow:column-reverse wrap-reverse; | |
justify-content:center; | |
align-content:space-between; |
curl --include \ | |
--no-buffer \ | |
--header "Connection: Upgrade" \ | |
--header "Upgrade: websocket" \ | |
--header "Host: example.com:80" \ | |
--header "Origin: http://example.com:80" \ | |
--header "Sec-WebSocket-Key: SGVsbG8sIHdvcmxkIQ==" \ | |
--header "Sec-WebSocket-Version: 13" \ | |
http://example.com:80/ |
All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.
elem.offsetLeft
, elem.offsetTop
, elem.offsetWidth
, elem.offsetHeight
, elem.offsetParent
-- Levenshtein function | |
-- Source: https://openquery.com.au/blog/levenshtein-mysql-stored-function | |
-- Levenshtein reference: http://en.wikipedia.org/wiki/Levenshtein_distance | |
-- Arjen note: because the levenshtein value is encoded in a byte array, distance cannot exceed 255; | |
-- thus the maximum string length this implementation can handle is also limited to 255 characters. | |
DELIMITER $$ | |
DROP FUNCTION IF EXISTS LEVENSHTEIN $$ | |
CREATE FUNCTION LEVENSHTEIN(s1 VARCHAR(255) CHARACTER SET utf8, s2 VARCHAR(255) CHARACTER SET utf8) |
echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc | |
. ~/.bashrc | |
mkdir ~/local | |
mkdir ~/node-latest-install | |
cd ~/node-latest-install | |
curl http://nodejs.org/dist/node-latest.tar.gz | tar xz --strip-components=1 | |
./configure --prefix=~/local | |
make install # ok, fine, this step probably takes more than 30 seconds... | |
curl https://www.npmjs.org/install.sh | sh |
#!/boot/bzImage | |
# Linux kernel userspace initialization code, translated to bash | |
# (Minus floppy disk handling, because seriously, it's 2017.) | |
# Not 100% accurate, but gives you a good idea of how kernel init works | |
# GPLv2, Copyright 2017 Hector Martin <marcan@marcan.st> | |
# Based on Linux 4.10-rc2. | |
# Note: pretend chroot is a builtin and affects the current process | |
# Note: kernel actually uses major/minor device numbers instead of device name |
/* Read this comment first: https://gist.github.com/tonious/1377667#gistcomment-2277101 | |
* 2017-12-05 | |
* | |
* -- T. | |
*/ | |
#define _XOPEN_SOURCE 500 /* Enable certain library functions (strdup) on linux. See feature_test_macros(7) */ | |
#include <stdlib.h> | |
#include <stdio.h> |
console.hex = (d) => console.log((Object(d).buffer instanceof ArrayBuffer ? new Uint8Array(d.buffer) : | |
typeof d === 'string' ? (new TextEncoder('utf-8')).encode(d) : | |
new Uint8ClampedArray(d)).reduce((p, c, i, a) => p + (i % 16 === 0 ? i.toString(16).padStart(6, 0) + ' ' : ' ') + | |
c.toString(16).padStart(2, 0) + (i === a.length - 1 || i % 16 === 15 ? | |
' '.repeat((15 - i % 16) * 3) + Array.from(a).splice(i - i % 16, 16).reduce((r, v) => | |
r + (v > 31 && v < 127 || v > 159 ? String.fromCharCode(v) : '.'), ' ') + '\n' : ''), '')); |