create free ssl / https with nginx and yii2 using letsencrypt

Update your sources.list apt, in my case. I using debian 8 with nginx and yii2 is my php framework. add this source code like this following below if you are using Jessie : Using your console, update your repository like below :  nano /e


4 years ago no comment


Create QRCODE dynamic is so simple with link to You just need add src attribute in your img tag like this following code : <img src="" />   Property for this QrCode : Text


5 years ago no comment

Regular Expression - REGEX

1. Pola 1.1 Spesial Karakter \ tanda yang diawali dengan \kemudian diakhiri dengan karakter bukan huruf dan angka semisal \/  untuk karakter "/"  \s untuk karakter spasi atau tab atau line break. . semua karakter kecuali newlin


5 years ago no comment


Cascading Style Sheets CSS is code that changes the appeareance of HTML. One place you can put CSS in a style tag that's a child of the head tag. <!DOCTYPE html><html lang="en"><head> <style type="text/css">


5 years ago no comment

Nodejs part 7 Redis

Redis is an open source, BSD licensed, advanced key-value cache and store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets, sorted sets, bitmaps and hyperloglogs.Redis command using : "npm inst


Nodejs part 6 Socket.IO enables real-time bidirectional event-based communication.It works on every platform, browser or device, focusing equally on reliability and speed. Example 1 chats with express app.js var express = require('express'), app =


Nodejs Part 5 Express

Routing Routing refers to the definition of end points (URIs) to an application and how it responds to client requests. A route is a combination of a URI, a HTTP request method (GET, POST, and so on), and one or more handlers for the endpoint. It t


5 years ago no comment

Nodejs Part 4 Modules

Modules Node has a simple module loading system. In Node, files and modules are in one-to-one correspondence. As an example, app.js loads the module hello.js  and custom_goodbye.js in the same directory. //hello.jsvar hello = function(){