| """ | |
| Convert a MongoDB ObjectID to a version-1 UUID. | |
| Python 2.7+ required for datetime.timedelta.total_seconds(). | |
| ObjectID: | |
| - UNIX timestamp (32 bits) | |
| - Machine identifier (24 bits) | |
| - Process ID (16 bits) | |
| - Counter (24 bits) |
| window.customElements.define("elm-portal", class extends HTMLElement { | |
| // Base custom element stuff | |
| constructor() { | |
| super(); | |
| this._targetNode = document.createElement('div'); | |
| } | |
| connectedCallback() { | |
| document.querySelector(this.getAttribute("data-target-selector")).appendChild(this._targetNode); | |
| } |
| Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/37.0.2062.94 Chrome/37.0.2062.94 Safari/537.36 | |
| Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36 | |
| Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko | |
| Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0 | |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/600.8.9 (KHTML, like Gecko) Version/8.0.8 Safari/600.8.9 | |
| Mozilla/5.0 (iPad; CPU OS 8_4_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0 Mobile/12H321 Safari/600.1.4 | |
| Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36 | |
| Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36 | |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.10240 | |
| Mozilla/5.0 (Windows NT 6.3; WOW64; rv:40.0) |
| npm create vite@latest . -- --template react-ts | |
| npm install | |
| npm run dev |
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
More info can be found at, https://docs.microsoft.com/en-us/dotnet/api/system.environment.specialfolder?view=netframework-4.7.2
// C:\ProgramData\
var path1 = System.Environment.GetFolderPath(System.Environment.SpecialFolder.CommonApplicationData);
// C:\Users\USERNAME\AppData\Roaming
var path2 = System.Environment.GetFolderPath(System.Environment.SpecialFolder.ApplicationData);
| package main | |
| /* | |
| http代理测试 | |
| * [Mocking a HTTP access with http.Transport in Golang - oinume journal](http://oinume.hatenablog.com/entry/mocking-http-access-in-golang) | |
| * [Go http访问使用代理](http://www.cnblogs.com/damir/archive/2012/05/06/2486663.html) | |
| * [GO HTTP client客户端使用 - 海运的博客](https://www.haiyun.me/archives/1051.html) | |
| * [Making Tor HTTP Requests with Go | DevDungeon](http://www.devdungeon.com/content/making-tor-http-requests-go) |
| Backup raid config | |
| ------------------ | |
| DiskStation> cd /etc/space | |
| DiskStation> ls -lh | |
| DiskStation> cat space_history_20130806_135258.xml | |
| Corrupted system partition | |
| -------------------------- | |
| DiskStation> cat /proc/mdstat | |
| md0 : active raid1 sda1[0] |
国内从 Docker Hub 拉取镜像有时会遇到困难，此时可以配置镜像加速器。Docker 官方和国内很多云服务商都提供了国内加速器服务。
Dockerized 实践 https://github.com/y0ngb1n/dockerized
Ubuntu 16.04+、Debian 8+、CentOS 7+