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function rotate(srcBase64, degrees, callback) {
  const canvas = document.createElement('canvas');
  const ctx    = canvas.getContext('2d');
  const image  = new Image();

  image.onload = function () {
    canvas.width  = degrees % 180 === 0 ? image.width : image.height;
    canvas.height = degrees % 180 === 0 ? image.height : image.width;

    ctx.translate(canvas.width / 2, canvas.height / 2);

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How to use Hexo and deploy to GitHub Pages

• https://github.com/hexojs/hexo
• https://hexo.io/docs/

1. Install Hexo

$ sudo npm install -g hexo-cli

$ hexo -v
hexo-cli: 0.1.9

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node: Platform built on V8 to build network applications
git: Distributed revision control system
wget: Internet file retriever
yarn: JavaScript package manager
python3: Interpreted, interactive, object-oriented programming language
coreutils: GNU File, Shell, and Text utilities
pkg-config: Manage compile and link flags for libraries
chromedriver: Tool for automated testing of webapps across many browsers
awscli: Official Amazon AWS command-line interface
automake: Tool for generating GNU Standards-compliant Makefiles

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Encoded Traversal Strings:

../
..\
..\/
%2e%2e%2f
%252e%252e%252f
%c0%ae%c0%ae%c0%af
%uff0e%uff0e%u2215

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{
    "files.autoSave": "afterDelay",
    "[php]": {
        "editor.defaultFormatter": "bmewburn.vscode-intelephense-client",
        "editor.tabSize": 4,
    },
    "git.autofetch": true,
    "workbench.colorTheme": "Material Theme Palenight High Contrast",
    "[css]": {
        "editor.defaultFormatter": "vscode.css-language-features"

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Array

• Two Sum
• Best Time to Buy and Sell Stock
• Contains Duplicate
• Product of Array Except Self
• Maximum Subarray
• Maximum Product Subarray
• Find Minimum in Rotated Sorted Array

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defmodule User do
  use MapSet

  defstruct [
    :first_name,
    :last_name,
    :bio,
    :email,
    :roles,
    :interests,

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$ curl --help
Usage: curl [options...] <url>
     --abstract-unix-socket <path> Connect via abstract Unix domain socket
     --alt-svc <file name> Enable alt-svc with this cache file
     --anyauth       Pick any authentication method
 -a, --append        Append to target file when uploading
     --basic         Use HTTP Basic Authentication
     --cacert <file> CA certificate to verify peer against
     --capath <dir>  CA directory to verify peer against
 -E, --cert <certificate[:password]> Client certificate file and password

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<?php

$me = new User([
    "first_name" => "Jing Hui",
    "last_name" => "Pang",
    "email" => "[email protected]",
    "pronoun" => "he/him",
    "status" => "Hired",
    "company" => "Pixium Digital",
    "roles" => [

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#  Customize BASH PS1 prompt to show current GIT repository and branch.
#  by Mike Stewart - http://MediaDoneRight.com

#  SETUP CONSTANTS
#  Bunch-o-predefined colors.  Makes reading code easier than escape sequences.
#  I don't remember where I found this.  o_O

# Reset
Color_Off="\[\033[0m\]"       # Text Reset