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How to mount a qcow2 disk image

This is a quick guide to mounting a qcow2 disk images on your host server. This is useful to reset passwords, edit files, or recover something without the virtual machine running.

Step 1 - Enable NBD on the Host

modprobe nbd max_part=8

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BrainFuck Programming Tutorial by: Katie

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INTRODUCTION

This gist will show the support of BiDirectional text in the terminal emulators and console programs. You can read more about the standardization efforts at the dedicated page of FreeDesktop Terminal BiDi working group.

How to test

Logical Order	◀ ◀ ◀ RTL	LTR ▶ ▶ ▶
WHAT IS UNICODE؟ in arabic	in arabic ؟EDOCINU SI TAHW	؟EDOCINU SI TAHW in arabic
	ما هو الترميز الموحد يونيكود؟ in Arabic	ما هو الترميز الموحد يونيكود؟ in Arabic

Table Of Content

Skip to the relevant sections if needed.

2-min tutorial to do it the quick-and-dirty-way
Concepts for resolving Git conflicts
Setting up different editors / tool for using git mergetool
- Finding out what mergetool editors are supported
mergetool simple code example for vimdiff
- Resolving conflict from a Git pull
Other great references and tutorials

Problem

You have installed GPG, then tried to perform a git commit and suddenly you see this error message after it 😰

error: gpg failed to sign the data
fatal: failed to write commit object

Understand the error (important to solve it later!)

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

Ctrl-Key: ^[
Octal: \033
Unicode: \u001b
Hexadecimal: \x1B
Decimal: 27

Quick examples

feat: new feature
fix(scope): bug in scope
feat!: breaking change / feat(scope)!: rework API
chore(deps): update dependencies

Commit types

build: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
ci: Changes to CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
chore: Changes which doesn't change source code or tests e.g. changes to the build process, auxiliary tools, libraries

	@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");

	/* tabs on bottom of window */
	#navigator-toolbox { -moz-box-ordinal-group: 10; }
	#TabsToolbar { -moz-box-ordinal-group: 10; }
	#PopupAutoCompleteRichResult {
	margin-top: -35vh;
	/*
	position: fixed;
	bottom: 74px;

	; print all command line arguments (5 characters) and exit
	; for 64-bit systems, Linux syscalls
	; for simplicity, this program does not calculate the length of the strings.
	; assemble with: nasm -f elf64 -o args args.asm
	; link with: ld -o args args.o

	sys_write equ 1 ; the linux WRITE syscall
	sys_exit equ 60 ; the linux EXIT syscall
	sys_stdout equ 1 ; the file descriptor for standard output (to print/write to)