$ sudo -i
# vim /etc/systemd/system/disable-transparent-huge-pages.service
# systemctl enable disable-transparent-huge-pages
# systemctl start disable-transparent-huge-pages
# systemctl status disable-transparent-huge-pages
# cat /sys/kernel/mm/transparent_hugepage/enabled
# cat /sys/kernel/mm/transparent_hugepage/defrag
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| #!/bin/bash -e | |
| # Creates a systemd-nspawn container with Alpine | |
| MIRROR=http://dl-cdn.alpinelinux.org/alpine | |
| VERSION=${VERSION:-v3.23} | |
| APKTOOLS_VERSION=3.0.3-r1 | |
| wget_or_curl () { | |
| if command -v wget >/dev/null; then |
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| (function (window, document, script, raven, el, first, loaded) { | |
| raven = []; | |
| window.onerror = function e(message, file, line, colno, ex) { | |
| if (loaded) { | |
| return; | |
| } | |
| raven.push([message, file, colno, ex]); | |
| }; | |
| el = document.createElement(script); | |
| first = document.getElementsByTagName(script)[0]; |
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
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| #EXTM3U | |
| #EXTINF:-1,Digitally Imported - Ambient | |
| http://pub1.diforfree.org:8000/di_ambient_hi | |
| #EXTINF:-1,Digitally Imported - Big Room House | |
| http://pub1.diforfree.org:8000/di_bigroomhouse_hi | |
| #EXTINF:-1,Digitally Imported - Breaks | |
| http://pub1.diforfree.org:8000/di_breaks_hi |
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| # Hello, and welcome to makefile basics. | |
| # | |
| # You will learn why `make` is so great, and why, despite its "weird" syntax, | |
| # it is actually a highly expressive, efficient, and powerful way to build | |
| # programs. | |
| # | |
| # Once you're done here, go to | |
| # http://www.gnu.org/software/make/manual/make.html | |
| # to learn SOOOO much more. |
While the following structure is not an absolute requirement or enforced by the tools, it is a recommendation based on what the JavaScript and in particular Node community at large have been following by convention.
Beyond a suggested structure, no tooling recommendations, or sub-module structure is outlined here.
lib/is intended for code that can run as-issrc/is intended for code that needs to be manipulated before it can be used
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| git branch -m old_branch new_branch # Rename branch locally | |
| git push origin :old_branch # Delete the old branch | |
| git push --set-upstream origin new_branch # Push the new branch, set local branch to track the new remote |
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| -- Reasonably efficient pagination without OFFSET | |
| -- SQLite version (Adapted from MS SQL syntax) | |
| -- Source: http://www.phpbuilder.com/board/showpost.php?p=10376515&postcount=6 | |
| SELECT foo, bar, baz, quux FROM table | |
| WHERE oid NOT IN ( SELECT oid FROM table | |
| ORDER BY title ASC LIMIT 50 ) | |
| ORDER BY title ASC LIMIT 10 |
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