sdondley

Super Guide to the split-window tmux Subcommand (and Beyond)

Guide overview

tmux, like other great software, is deceptive. On the one hand, it's fairly easy to get set up and start using right away. On the other hand, it's difficult to take advantage of tmux's adanced features without spending some quality alone time with the manual. But the problem with manuals is that they aren't geared toward beginners. They are geared toward helping seasoned developers and computer enthusiasts quickly obtain the

pretty

<?php

class RetryTest extends TestCase
{
    public function setUp()
    {
        parent::setUp();
        // abuse superglobal to keep track of state
        $_GET['a'] = 0;
    }

mohanpedala

Table of Contents

• set -e, -u, -x, -o pipefail
• set -e
• set -x
• set -u
• set -o pipefail
• Setting IFS
• Original Reference

set -e, -u, -x, -o pipefail

seanh

HTML Tags You Can Use on GitHub

Wherever HTML is rendered on GitHub (gists, README files in repos, comments on issues and pull requests, ...) you can use any of the HTML elements that GitHub Flavored Markdown (GFM) provides syntactic sugar for. You can either use the syntactic sugar that GFM (or other GitHub-supported markup language you're using) provides or, since Markdown can contain raw HTML, you can enter the HTML tags manually.

But GitHub also allows you to use a few HTML elements beyond what Markdown provides by entering the tags manually, and some of them are styled with CSS. Most raw HTML tags get stripped before rendering the HTML. Those tags that can be generated by GFM syntactic sugar, plus a few more, are whitelisted. These aren't documented anywhere that I can find. Here's what I've discovered so far:

<details> and <summary>

A `<detai

hdodov

function iframeURLChange(iframe, callback) {
    var lastDispatched = null;

    var dispatchChange = function () {
        var newHref = iframe.contentWindow.location.href;

        if (newHref !== lastDispatched) {
            callback(newHref);
            lastDispatched = newHref;
        }

thikade

Decode WAS password using wsadmin.sh:

./wsadmin.sh -lang jython -conntype none -c 'import com.ibm.ws.security.util.PasswordDecoder as pd; pd.main(["{xor}KzosK25tbH4n"]);'

Encode WAS password using wsadmin.sh:

./wsadmin.sh -lang jython -conntype none -c 'import com.ibm.ws.security.util.PasswordEncoder as pd; pd.main(["test123!x"]);'

rtomayko

SSH Persistent Control Master Config

Add to ~/.ssh/config:

Host *
  # Enable persistent connection multiplexing
  ControlMaster auto
  ControlPath ~/.ssh/-%r@%h:%p
 ControlPersist 600

refo

Extract given file path into its parts

Assuming, file passed as a parameter

path=$1

following script will extract file path into parts

DavidWells

Aligning images

This is a guide for aligning images.

See the full Advanced Markdown doc for more tips and tricks

left alignment

akostadinov

# LICENSE: MIT, wtfpl or whatever OSS license you like
function get_stack () {
   STACK=""
   local i message="${1:-""}"
   local stack_size=${#FUNCNAME[@]}
   # to avoid noise we start with 1 to skip the get_stack function
   for (( i=1; i<$stack_size; i++ )); do
      local func="${FUNCNAME[$i]}"
      [ x$func = x ] && func=MAIN
      local linen="${BASH_LINENO[$(( i - 1 ))]}"