rsvp

#!/usr/bin/env bash
#              bash 4.1.5(1)     Linux Ubuntu 10.04           Date : 2019-01-02
#
# _______________|  noise : ambient Brown noise generator (cf. white noise).
#
#           Usage:  noise  [minutes=59]  [band-pass freq center=1786]  [wave]
#                          ^minutes can be any positive integer.
#                           Command "noise 1" will display peak-level meter.
#
#    Dependencies:  play (from sox package)

rgreenjr

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

billroy

import simplejson
import json

def put(data, filename):
	try:
		jsondata = simplejson.dumps(data, indent=4, skipkeys=True, sort_keys=True)
		fd = open(filename, 'w')
		fd.write(jsondata)
		fd.close()
	except:

mammadori

from subprocess import Popen, PIPE
from os import environ

def source(script, update=True, clean=True):
    """
    Source variables from a shell script
    import them in the environment (if update==True)
    and report only the script variables (if clean==True)
    """

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

snipe

"\e[A": history-search-backward
"\e[B": history-search-forward
set show-all-if-ambiguous on
set completion-ignore-case on

claymcleod

import sys,os
import curses

def draw_menu(stdscr):
    k = 0
    cursor_x = 0
    cursor_y = 0

    # Clear and refresh the screen for a blank canvas
    stdscr.clear()

ascendbruce

Use macOS-style shortcuts in Windows / keyboard mappings using a Mac keyboard on Windows

ℹ️ There is a newer alternative project that does similar things and more, check it out at https://github.com/stevenilsen123/mac-keyboard-behavior-in-windows

Make Windows PC's shortcut act like macOS (Mac OS X) (using AutoHotkey (ahk) script)

With this AutoHotKey script, you can use most macOS style shortcuts (eg, cmd+c, cmd+v, ...) on Windows with a standard PC keyboard.

How does it work

sloanlance

Editing remote files in Vim with SSH

1. Configure SSH

   In ~/.ssh/config, include the lines:

   Host *
   ControlPath ~/.ssh/sockets/%r@%h-%p
   

ibraheem4

Installing Postgres via Brew

Pre-Reqs

Brew Package Manager

In your command-line run the following commands:

1. brew doctor
2. brew update