MaherSaif

# Use this validator like this
#
# class User < ApplicationRecord 
#   validates :profile_link, url: true
# end 

class UrlValidator < ActiveModel::EachValidator
  def validate_each(record, attribute, value)
    unless valid_url?(value)
      record.errors.add(attribute, :invalid_url)

MaherSaif

#!/bin/bash

### ABOUT
### Runs rsync, retrying on errors up to a maximum number of tries.
### Simply edit the rsync line in the script to whatever parameters you need.

# Trap interrupts and exit instead of continuing the loop
trap "echo Exited!; exit;" SIGINT SIGTERM

MAX_RETRIES=50

MaherSaif

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

MaherSaif

<?php
/**
 * Twitter timeline backup
 *
 * Required:
 *   - PHP 8.1+
 *       - cURL extension enabled
 *       - Windows:
 *           - download https://windows.php.net/downloads/releases/php-8.1.12-Win32-vs16-x64.zip (or a newer available version)
 *           - unzip to a folder of your choice

MaherSaif

#WRT Firmware Link Collections

Wireless Starter Guide

DDWRT

DDWRT Wiki

DDWRT Forums

MaherSaif

Table of Contents

1. Table of Contents
2. General Usage
3. File Spacing
4. Numbering and Calculations
5. Conversion and Substitution
6. Selective Printing
7. Selective Deletion

MaherSaif

Available Public Wildcard DNS Domains pointing to localhost (127.0.0.1)

It turns out that some kind hearted people already set up wildcard domains for you already. You can use any domain below and/or any subdomain of these and they currently resolve to 127.0.0.1 but could switch at any time to resolve somewhere else. Here's the list of ones I know about. Let me know if there are more!

• localhost - It will always works. Do you know why? I hope so.
• [*.]fuf.me - Managed by @fidian; it will always point to localhost for IPv4 and IPv6
• [*.]fbi.com - 👏 👏 👏 👏 👏
• [*.]localtest.me
• [*.]127-0-0-1.org.uk
• [*.]vcap.me

MaherSaif

import { execSync, spawn, SpawnOptions } from 'child_process'

type XCodebuildOptions = {
  /**
   * Build the project specified by projectname.
   * Required if there are multiple project files in the same directory.
   */
  project: string,

  /**

MaherSaif

%w(⠾ ⠷ ⠯ ⠟ ⠻ ⠽).cycle { |dot| print "\b#{dot}"; sleep 0.1 }

MaherSaif

# proxying through apache to a local rails instance, http & https

# apache *.conf file
<VirtualHost *:80>
  ServerName psl.localhost
  ServerAlias cms.psl.localhost
  ServerAlias *.psl.localhost

  ProxyPass / http://localhost:3000/
  ProxyPassReverse / http://localhost:3000/