Andrii Soldatenko andriisoldatenko

git commit stats

Commands to get commit statistics for a Git repository from the command line -
using git log, git shortlog and friends.

(Full description and list of commands at - https://npmjs.org/doc/index.html)

##List of less common (however useful) NPM commands

######Prepand ./bin to your $PATH Make sure to export your local $PATH and prepand relative ./node_modules/.bin/:

A user wants profile data from an app.

User makes a request to a client (website, mobile app, etc).
Client (may) redirect the user to auth server login form.
User logs into the auth server.
Auth server validates previous credentials and returns an access token to the client.

	#!/usr/bin/env python

	from __future__ import with_statement
	import os
	import re
	import shutil
	import subprocess
	import sys
	import tempfile
	from shutil import copyfile

	### Example #1 ###
	$ docker ps -a
	CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
	2e23d01384ac iperf-v1:latest "/usr/bin/iperf -s" 10 minutes ago Up 10 minutes 5001/tcp, 0.0.0.0:32768->5201/tcp compassionate_goodall
	# Append the container ID (CID) to the end of an inspect
	$ docker inspect --format '{{ .NetworkSettings.IPAddress }}' 2e23d01384ac
	172.17.0.1

	### Example #2 ###
	# Add -q to automatically parse and return the last CID created.

	# Assumes the database container is named 'db'

	DOCKER_DB_NAME="$(docker-compose ps -q db)"
	DB_HOSTNAME=db
	DB_USER=postgres
	LOCAL_DUMP_PATH="path/to/local.dump"

	docker-compose up -d db
	docker exec -i "${DOCKER_DB_NAME}" pg_restore -C --clean --no-acl --no-owner -U "${DB_USER}" -d "${DB_HOSTNAME}" < "${LOCAL_DUMP_PATH}"
	docker-compose stop db

	# GIT heart FZF
	# -------------

	is_in_git_repo() {
	git rev-parse HEAD > /dev/null 2>&1
	}

	fzf-down() {
	fzf --height 50% --min-height 20 --border --bind ctrl-/:toggle-preview "$@"
	}

	Latency Comparison Numbers
	--------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD

	# Redis Cheatsheet
	# All the commands you need to know


	redis-server /path/redis.conf # start redis with the related configuration file
	redis-cli # opens a redis prompt


	# Strings.