| #!/usr/bin/env python3 | |
| import argparse | |
| import json | |
| import os | |
| from concurrent.futures import ProcessPoolExecutor | |
| from pymongo import MongoClient | |
| from gpx import Track |
A collection of basic and advanced features which come in handy for developers but are not known or used by many among us.
First of all: don't be afraid of command line interfaces!
rewriting with interactive rebase and amend searching in the history https://git-scm.com/book/en/v2/Git-Tools-Searching
| #!/bin/bash | |
| # autodetect crop size | |
| crop=`ffmpeg -i $1 -t 1 -vf cropdetect -f null - 2>&1 | awk '/crop/ { print $NF }' | tail -1` | |
| # cut string from "crop=1280:528:0:0" to "crop=1280:528" | |
| crop=`echo "${crop%:*}"` | |
| crop=`echo "${crop%:*}"` | |
| echo "detected crop fromat: $crop" | |
| echo "input: $1" | |
| echo "output: $2" |
| #!/usr/bin/env python3 | |
| # coding=utf-8 | |
| import sys, getopt | |
| def update_progress(progress, barLength = 12, status = ""): | |
| 'display a progress bar in the console and update in-place' | |
| if isinstance(progress, int): | |
| progress = float(progress) | |
| if not isinstance(progress, float): | |
| progress = 0 |
| #!/usr/bin/python | |
| # -*- coding: <utf-8> -*- | |
| import getopt | |
| import sys | |
| import urllib2 | |
| from urllib2 import URLError, HTTPError | |
| import base64 | |
| import json | |
| import getpass | |
| from BeautifulSoup import BeautifulSoup, Tag |
| ab -n10000 -c100 http://127.0.0.1:8080/index.html | |
| This is ApacheBench, Version 2.3 <$Revision: 655654 $> | |
| Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ | |
| Licensed to The Apache Software Foundation, http://www.apache.org/ | |
| Benchmarking 127.0.0.1 (be patient) | |
| Completed 1000 requests | |
| Completed 2000 requests | |
| Completed 3000 requests | |
| Completed 4000 requests |
| #!/bin/bash | |
| if [ $# == 1 ]; then | |
| echo building pdf... | |
| pdflatex $1.tex | |
| biber $1 | |
| makeindex $1.nlo -s nomencl.ist -o $1.nls | |
| pdflatex $1.tex | |
| pdflatex $1.tex |
| # -*- coding: utf-8 -*- | |
| ''' | |
| A very basic example for the Diffie–Hellman key exchange. | |
| ''' | |
| class Machine(object): | |
| ''' | |
| Represents a machine in the network | |
| ''' | |
| def __init__(self, private_key, shared_keyset): |
| % required packages | |
| \usepackage{ifthen} | |
| \usepackage{bbding} % for star symbols | |
| % command for star printing | |
| % \level{3} would print 3 stars | |
| \newcounter{levelcounter} %init counter | |
| \newcommand{\level}[1]{% | |
| \ifthenelse{ \value{levelcounter}<#1 }% | |
| {% |