willurd

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

andreyvit

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

oseme-techguy

#!/usr/bin/env bash

# To fix the " gpg: WARNING: unsafe permissions on homedir '/home/path/to/user/.gnupg' " error
# Make sure that the .gnupg directory and its contents is accessibile by your user.
chown -R $(whoami) ~/.gnupg/

# Also correct the permissions and access rights on the directory
chmod 600 ~/.gnupg/*
chmod 700 ~/.gnupg

sgergely

----- Esc -----
Quick change directory: Esc + c
Quick change directory history: Esc + c and then Esc + h
Quick change directory previous entry: Esc + c and then Esc + p
Command line history: Esc + h
Command line previous command: Esc + p
View change: Esc + t (each time you do this shortcut a new directory view will appear)
Print current working directory in command line: Esc + a
Switch between background command line and MC: Ctrl + o
Search/Go to directory in active panel: Esc + s / Ctrl + s then start typing directory name

john2x

Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors and Sequences

yoavniran

The Ultimate Unit Testing Cheat-sheet

---

• Sinon Chai
• Chai
• Sinon

soheilhy

Virtual Hosts on nginx (CSC309)

When hosting our web applications, we often have one public IP address (i.e., an IP address visible to the outside world) using which we want to host multiple web apps. For example, one may wants to host three different web apps respectively for example1.com, example2.com, and example1.com/images on the same machine using a single IP address.

How can we do that? Well, the good news is Internet browsers

textarcana

#!/usr/bin/env bash

# Use this one-liner to produce a JSON literal from the Git log:

git log \
    --pretty=format:'{%n  "commit": "%H",%n  "author": "%aN <%aE>",%n  "date": "%ad",%n  "message": "%f"%n},' \
    $@ | \
    perl -pe 'BEGIN{print "["}; END{print "]\n"}' | \
    perl -pe 's/},]/}]/'

gschmutz

version: '2'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:3.3.0
    hostname: zookeeper
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181

scottdw

(ns stats)

(defn mode [vs]
  (let [fs (frequencies vs)]
    (first (last (sort-by second fs)))))

(defn quantile
  ([p vs]
     (let [svs (sort vs)]
       (quantile p (count vs) svs (first svs) (last svs))))