Clivern

<?php
/*
Plugin Name: Products Plugin
Plugin URI: http://clivern.com/how-to-add-custom-rewrite-rules-in-wordpress/
Description: Register URL rules for our products
Version: 1.0
Author: Clivern
Author URI: http://clivern.com/
License: MIT
*/

Clivern

$results =  [
    ['اسم المستخدم', 'اسم المستخدم', 'اسم المستخدم'],
    [5,8,6],
    [5,8,7],
    [2,3,5]
];
header('Content-Encoding: UTF-8');
header('Content-type: text/csv; charset=UTF-8');
header('Content-Disposition: attachment; filename=sss.csv');
echo "\xEF\xBB\xBF"; // UTF-8 BOM

Clivern

#!/bin/bash
# For More Info http://clivern.com/how-to-install-apache-tomcat-8-on-ubuntu-16-04

sudo apt-get update
sudo apt-get install default-jdk
sudo apt-get install unzip
cd /opt
curl -O http://apache.mirrors.ionfish.org/tomcat/tomcat-8/v8.5.15/bin/apache-tomcat-8.5.15.zip
sudo unzip apache-tomcat-8.5.15.zip
sudo mv apache-tomcat-8.5.15 tomcat

Clivern

foo &
FOO_PID=$!
# do other stuff
kill $FOO_PID

Clivern

cd /opt
sudo wget https://services.gradle.org/distributions/gradle-4.0-bin.zip
sudo unzip gradle-4.0-bin.zip
sudo mv gradle-4.0 gradle
sudo rm gradle-4.0-bin.zip
export PATH=$PATH:/opt/gradle/bin
gradle -v

Clivern

CREATE TABLE category(category_id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(20) NOT NULL, parent INT DEFAULT NULL);

INSERT INTO category VALUES(1,'ELECTRONICS',NULL),(2,'TELEVISIONS',1),(3,'TUBE',2),(4,'LCD',2),(5,'PLASMA',2),(6,'PORTABLE ELECTRONICS',1),(7,'MP3 PLAYERS',6),(8,'FLASH',7),(9,'CD PLAYERS',6),(10,'2 WAY RADIOS',6);

SELECT t1.name AS lev1, t2.name as lev2, t3.name as lev3, t4.name as lev4, t5.name as lev5
FROM category AS t1
INNER JOIN category AS t2 ON t2.parent = t1.category_id
INNER JOIN category AS t3 ON t3.parent = t2.category_id
INNER JOIN category AS t4 ON t4.parent = t3.category_id
INNER JOIN category AS t5 ON t5.parent = t4.category_id

Clivern

<?php

interface Storage
{
	public function set($data);
	public function get();
	public function store();
}

Clivern

Add Service File

sudo nano /etc/systemd/system/racter.service

Add Service Configs

[Unit]
Description=Racter Service
After=syslog.target

Clivern

/*
 * Copyright (C) 2018 Clivern <http://clivern.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express

Clivern

NOTE: This is a question I found on StackOverflow which I’ve archived here, because the answer is so effing phenomenal.

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Q: How can I make a chain of function decorators in Python?

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If you are not into long explanations, see [Paolo Bergantino’s answer][2].