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@teepark
teepark / btree.py
Created September 9, 2010 22:45
a pure-python B tree and B+ tree implementation
import bisect
import itertools
import operator
class _BNode(object):
__slots__ = ["tree", "contents", "children"]
def __init__(self, tree, contents=None, children=None):
self.tree = tree
@friggeri
friggeri / haiku
Created October 6, 2011 07:30
random heroku-like name generator
haiku = ->
adjs = [
"autumn", "hidden", "bitter", "misty", "silent", "empty", "dry", "dark",
"summer", "icy", "delicate", "quiet", "white", "cool", "spring", "winter",
"patient", "twilight", "dawn", "crimson", "wispy", "weathered", "blue",
"billowing", "broken", "cold", "damp", "falling", "frosty", "green",
"long", "late", "lingering", "bold", "little", "morning", "muddy", "old",
"red", "rough", "still", "small", "sparkling", "throbbing", "shy",
"wandering", "withered", "wild", "black", "young", "holy", "solitary",
"fragrant", "aged", "snowy", "proud", "floral", "restless", "divine",
@brandonb927
brandonb927 / osx-for-hackers.sh
Last active June 13, 2024 02:39
OSX for Hackers: Yosemite/El Capitan Edition. This script tries not to be *too* opinionated and any major changes to your system require a prompt. You've been warned.
#!/bin/sh
###
# SOME COMMANDS WILL NOT WORK ON macOS (Sierra or newer)
# For Sierra or newer, see https://github.com/mathiasbynens/dotfiles/blob/master/.macos
###
# Alot of these configs have been taken from the various places
# on the web, most from here
# https://github.com/mathiasbynens/dotfiles/blob/5b3c8418ed42d93af2e647dc9d122f25cc034871/.osx
@trinitronx
trinitronx / xcode-cli-tools.sh
Last active January 18, 2024 05:20
Script to download & install XCode Command Line tools on OSX 10.7 or 10.8. Lifted from jedi4ever/veewee template.
#!/bin/sh
# 2021-12-09:
# This script is no longer supported!
# Apple broke all direct downloads without logging with an Apple ID first.
# The number of hoops that a script would need to jump through to login,
# store cookies, and download is prohibitive.
# Now we all must manually download and mirror the files for this to work at all :'-(
OSX_VERS=$(sw_vers -productVersion | awk -F "." '{print $2}')
@campoy
campoy / letitfail.go
Last active January 6, 2024 07:26
This example shows how to have a set of goroutines running concurrently and processing requests. Panics from goroutines are recovered and the worker is restarted. You can download it and run it directly using `go run letitfail.go`
package main
import (
"bufio"
"fmt"
"os"
"time"
)
const numWorkers = 3
@lelandbatey
lelandbatey / whiteboardCleaner.md
Last active June 16, 2024 13:44
Whiteboard Picture Cleaner - Shell one-liner/script to clean up and beautify photos of whiteboards!

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results

@nickjacob
nickjacob / systemd-prblm.service
Last active March 17, 2023 16:11
execute arbitrary bash code/variable substitution in systemd units
[Unit]
Description=Demonstrate Bash
[Service]
ExecStartPre=/usr/bin/bash -c "/usr/bin/systemctl set-environment MYVAR=$(( 2 + 2 ))"
ExecStart=/usr/bin/echo "2 + 2 = ${MYVAR}"
@xero
xero / irc.md
Last active July 1, 2024 21:37
irc cheat sheet

IRC Reference

Not intended as a guide for newbies, more like a "cheat sheet" for the somewhat experienced IRC user, especially one who wields some power over a channel.

The Basics

  • /join #channel
    • Joins the specified channel.
  • /part #channel
  • Leaves the specified channel.
#/usr/bin/env bash
# Install some pacakages we'll need to compile the driver below.
sudo dnf install gcc kernel-devel -y
# Create working dir for Broadcom driver files and patches.
mkdir hybrid_wl_f23
# Change to working dir.
cd hybrid_wl_f23
#!/usr/bin/env bash
set -e
# Set default values
: ${GENTOO_ARCH:=amd64}
: ${GENTOO_PROFILE:=""}
: ${GENTOO_PORTAGE:=no}
# Check for Gentoo profile, if there if a profile, add a "-"
if [ "${GENTOO_PROFILE}x" != "x" ]; then