htr3n

System

ssh-keygen -t rsa -b 4096 -C "[email protected]"

PowerShell

• Windows PowerShell was built upon .NET and only worked on Windows
• PowerShell Core is open sourced and built on .NET Core 2.x, work on Windows, Linux, macOS, ARM

htr3n

Built-in

diskutil erasevolume HFS+ 'RAM Disk' `hdiutil attach -nobrowse -nomount ram://XXXXX`

where XXXXX is the size of the RAM disk in terms of memory blocks.

Notes:

htr3n

about:config

• Set browser.download.animateNotifications to False
• Set security.dialog_enable_delay to 0
• Set network.prefetch-next to False (Only on slow internet connections)
• Set browser.newtabpage.activity-stream.feeds.telemetry to false
• Set browser.newtabpage.activity-stream.telemetry to false
• Set browser.ping-centre.telemetry to false
• Set toolkit.telemetry.archive.enabled to false
• Set toolkit.telemetry.bhrPing.enabled to false

htr3n

@RestController
class HelloWorld {
  
  @RequestMapping("/")
  public String hello(){
    return "Hello World!";
  }
}

htr3n

package io.github.htr3n.springjdbcsimple.entity;

public class Customer {
  private Integer id;
  private String name;
  private String email;

  public Integer getId() {
    return id;
  }

htr3n

/* 
https://stackoverflow.com/a/37832318/339302 
*/
.rainbow2 {
    background-image: -webkit-linear-gradient(left, #E0F8F7, #585858, #fff); /* For Chrome and Safari */
    background-image:    -moz-linear-gradient(left, #E0F8F7, #585858, #fff); /* For old Fx (3.6 to 15) */
    background-image:     -ms-linear-gradient(left, #E0F8F7, #585858, #fff); /* For pre-releases of IE 10*/
    background-image:      -o-linear-gradient(left, #E0F8F7, #585858, #fff); /* For old Opera (11.1 to 12.0) */
    background-image:         linear-gradient(to right, #E0F8F7, #585858, #fff); /* Standard syntax; must be last */
    color:transparent;

htr3n

import os

for dirname, dirnames, filenames in os.walk('.'):
    # print path to all subdirectories first.
    for subdirname in dirnames:
        print(os.path.join(dirname, subdirname))

    # print path to all filenames.
    for filename in filenames:
        print(os.path.join(dirname, filename))

htr3n

html,
body {
  font-family: "Helvetica Neue", arial, sans-serif;
  font-size: 16px;
  line-height: 1.66em;
  padding-top: 10px;
  padding-bottom: 10px;
  background-color: white;
  padding: 30px;
}

htr3n

const htmlmin = require("gulp-htmlmin");
//...
gulp.task("minify-html", function(done) {
  let publicFolder = "./public";
  let html = publicFolder + "/**/*.html";
  let css = publicFolder + "/**/*.css";
  let js = publicFolder + "/**/*.js";
  let dest = "./dist";
  log("Minifying HTML/CSS/JS in '" + publicFolder + "' to '" + dest + "'");
  gulp.src(publicFolder + "/**")

htr3n

https://stackoverflow.com/a/16162000/339302

# 0. 
mv a/submodule a/submodule_tmp
#1. 
git submodule deinit -f -- a/submodule
#2. 
rm -rf .git/modules/a/submodule
#3.