Opfour

So you want to modify the text of a PDF by hand...

If you, like me, resent every dollar spent on commercial PDF tools, you might want to know how to change the text content of a PDF without having to pay for Adobe Acrobat or another PDF tool. I didn't see an obvious open-source tool that lets you dig into PDF internals, but I did discover a few useful facts about how PDFs are structured that I think may prove useful to others (or myself) in the future. They are recorded here. They are surely not universally applicable --
the PDF standard is truly Byzantine -- but they worked for my case.

Using Git Commit Message Templates to Write Better Commit Messages

One of my colleagues shared an article on writing (good) Git commit messages today: How to Write a Git Commit Message. This excellent article explains why good Git commit messages are important, and explains what constitutes a good commit message. I wholeheartedly agree with what @cbeams writes in his article. (Have you read it yet? If not, go read it now. I'll wait.) It's sensible stuff. So I decided to start following the

Internet slang and abbreviations

Slang	Variations	In use?	Meaning
`\|` `\|\|` `\|\|` `\|_`	`\| \|\| \|\| \|_`	Yes	Loss
/s		Yes	Sarcasm (suffix)
3cool5u	3cool5me	Yes	"Too cool for you"; from "2cool4u"
420		Yes	"Marijuana"
afaik		Yes	"As far as I know"
afk		Yes	"Away from keyboard"

Tools

Presentations

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	Anyone is free to copy, modify, publish, use, compile, sell, or
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	means.

	In jurisdictions that recognize copyright laws, the author or authors
	of this software dedicate any and all copyright interest in the
	software to the public domain. We make this dedication for the benefit

	#!/bin/bash
	timestamp=`date +%Y%m%d`
	LOGDIR=/var/log/log.foo
	find $LOGDIR -name '*.log' -type f -size +512k \| while read logfile
	do # the parsing of a line
	echo $logfile
	newlogfile=$logfile.$timestamp
	cp $logfile $newlogfile
	cat /dev/null > $logfile
	gzip -f -9 $newlogfile

	#!/bin/bash
	iatest=$(expr index "$-" i)

	#######################################################
	# SOURCED ALIAS'S AND SCRIPTS BY zachbrowne.me
	#######################################################

	# Source global definitions
	if [ -f /etc/bashrc ]; then
	. /etc/bashrc

	<h1 id="awesome-kubernetes">Awesome-Kubernetes</h1>
	<h2 id="awesome-kubernetes-annotations">Copy from https://github.com/ramitsurana/awesome-kubernetes, used for learning</h2>
	<p><a href="https://github.com/sindresorhus/awesome"><img src="https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg" alt="Awesome"></a>
	<a href="https://travis-ci.org/ramitsurana/awesome-kubernetes"><img src="https://travis-ci.org/ramitsurana/awesome-kubernetes.svg?branch=master" alt="Build Status"></a>
	<a href="https://semaphoreci.com/ramitsurana/awesome-kubernetes"><img src="https://semaphoreci.com/api/v1/ramitsurana/awesome-kubernetes/branches/master/badge.svg" alt="Build Status"></a>
	<a href="http://creativecommons.org/licenses/by-nc/4.0/"><img src="https://img.shields.io/badge/License-CC%204.0-brightgreen.svg?style=flat-square" alt="License"></a>
	<a href="https://hub.docker.com/r/ramitsurana/awesome-kubernetes"><img src="https://img.shields.io/docker/build/ramitsurana/awesome-kubernet