Kevin Nitro KevinNitroG

Every so often I have to restore my gpg keys and I'm never sure how best to do it. So, I've spent some time playing around with the various ways to export/import (backup/restore) keys.

Method 1

Backup the public and secret keyrings and trust database

cp ~/.gnupg/pubring.gpg /path/to/backups/
cp ~/.gnupg/secring.gpg /path/to/backups/
cp ~/.gnupg/trustdb.gpg /path/to/backups/

or, instead of backing up trustdb...

People

`:bowtie:`	😄 `:smile:`	😆 `:laughing:`
😊 `:blush:`	😃 `:smiley:`	☺️ `:relaxed:`
😏 `:smirk:`	😍 `:heart_eyes:`	😘 `:kissing_heart:`
😚 `:kissing_closed_eyes:`	😳 `:flushed:`	😌 `:relieved:`
😆 `:satisfied:`	😁 `:grin:`	😉 `:wink:`
😜 `:stuck_out_tongue_winking_eye:`	😝 `:stuck_out_tongue_closed_eyes:`	😀 `:grinning:`
😗 `:kissing:`	😙 `:kissing_smiling_eyes:`	😛 `:stuck_out_tongue:`

Git Submodules basic explanation

Why submodules?

In Git you can add a submodule to a repository. This is basically a repository embedded in your main repository. This can be very useful. A couple of usecases of submodules:

Separate big codebases into multiple repositories.

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

You can get the list of installed codecs with:

Inspired by dannyfritz/commit-message-emoji

Problem

I have two Github accounts: oanhnn (personal) and superman (for work). I want to use both accounts on same computer (without typing password everytime, when doing git push or pull).

Solution

Use ssh keys and define host aliases in ssh config file (each alias for an account).

How to?

Generate ssh key pairs for accounts and add them to GitHub accounts.

Full List of Environment Variables in Windows 10

![information][6] Information

[Environment variables][7] are a set of dynamic named values that can affect the way running processes will behave on a computer. The variables can be used both in scripts and on the command line. Environment variables makes it easy when certain standard directories and parameters need to be referenced but where the actual locations or names can vary from computer to computer.

This tutorial will show you a complete list of environment variables that can be used to reference standard directories and parameters in Windows 10.

	// First let's call the 'angles'
	var jq = document.createElement('script');
	jq.src = "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js";
	document.getElementsByTagName('head')[0].appendChild(jq);

	// Second, give this jQuery script time to load and:
	jQuery.noConflict();

	CREATE DATABASE QLBH
	-----------------------------------------------------
	-----------------------------------------------------
	---------------------------------------------USE QLBH
	-- KHACHANG
	CREATE TABLE KHACHHANG(
	MAKH char(4) not null,
	HOTEN varchar(40),
	DCHI varchar(50),
	SODT varchar(20),

	#
	# TWEAKS
	#

	# Qualcomm
	#com.qc.hardware=true
	#debug.qctwa.statusbar=1
	#debug.qctwa.preservebuf=1
	#debug.qc.hardware=true

Commit type	Emoji
Initial commit	🎉 `:tada:`
Version tag	🔖 `:bookmark:`
New feature	✨ `:sparkles:`
Bugfix	🐛 `:bug:`