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🚀 Ultimate Linux Terminal Tricks Cheatsheet

🧭 Navigation Ninja

Command	Description
cd -	🔙 Teleport to previous directory
pushd <dir>	📚 Change directory, save current to stack
popd	📚 Return to most recently pushed directory
cd ~	🏠 Go to home directory

copyleftdev

name: Mark stale pull requests in Shepherd repo

on:
  schedule:
  - cron: '0 0 * * 1'  # Runs every Monday at midnight

jobs:
  stale:
    runs-on: ubuntu-latest
    timeout-minutes: 5

copyleftdev

abPjZb

A Pen by Celine on CodePen.

License.

copyleftdev

<header class="header">
  <a href="" class="logo">CSS Nav</a>
  <input class="menu-btn" type="checkbox" id="menu-btn" />
  <label class="menu-icon" for="menu-btn"><span class="navicon"></span></label>
  <ul class="menu">
    <li><a href="#work">Our Work</a></li>
    <li><a href="#about">About</a></li>
    <li><a href="#careers">Careers</a></li>
    <li><a href="#contact">Contact</a></li>
  </ul>

copyleftdev

def search_file(term, fname):
    with open(fname, "r") as filein:
        content = filein.read()
    if term in content:
        return True
    else:
        return False


def term_check():

copyleftdev

((?:Jan(?:uary)?|Feb(?:ruary)?|Mar(?:ch)?|Apr(?:il)?|May|Jun(?:e)?|Jul(?:y)?|Aug(?:ust)?|Sep(?:tember)?|Sept|Oct(?:ober)?|Nov(?:ember)?|Dec(?:ember)?) \s\d\s\d{1,2}:\d{1,2}:\d{1,2}\s)(did\d+)\s(inbound\[\d+\]):\s(FAX/VOICE):\s(service=\w+),\s(to=\w+),\s(utime=\d+),\s(page_cnt=\d+),\s(mode=\w+:\d+),\s(contact_ip=\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}),\s(vchan=\d+),\s(session=\d+),\s(res=\d+),\s(bps=\d+),\s(dur=\d+),\s(size=\d+),\s(skey=\d+),\s(ckey=\d+),\s(csid=\w+|\d+),\s(j2num=\w+|\d+),\s(did=\d+),\s(email=\d+@\w+.\w+.\w+.\w+\|2),\s+(msgid=)<(\w+-\d+-\d+-\d+)>,\s

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seq 1 1000 | parallel -j20 do_something

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//Install Macports.
//Install aircrack-ng:
sudo port install aircrack-ng
//Install the latest Xcode, with the Command Line Tools.
//Create the following symlink:
sudo ln -s /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport /usr/sbin/airport
//Figure out which channel you need to sniff:
sudo airport -s

sudo airport en1 sniff [CHANNEL]

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Code Sample

package main

import "fmt"
import "runtime"

func main() {
        fmt.Printf("Hello %s/%s\n", runtime.GOOS, runtime.GOARCH)
}

copyleftdev

import itertools
import unittest


def permutation_solution(list_object):

    result_set = set()
    permuation_generator = itertools.permutations(list_object)

    for each_ele in permuation_generator: