Andy Blog

Full-stack developer

Jest testing framework tutorial

Download source Introduction Jest is a testing framework to test ReactJS components. It is developed by Facebook. Typically, we use it to test React apps easier. Besides React applications, Jest ...

Posted by Andy Feng on July 22, 2017

Improve CSS development productivity using Sass and Compass Part1 - configure environment

This article introduces CSS preprocessor technique with Sass and Compass to develop clean, organized and efficient CSS code. Download source code at here Background CSS is an fundamental techniqu...

Posted by Andy Feng on April 7, 2016

Using regular expression in Javascript

This article introduces the basics of applying regular expression in Javascript. Introduction What Is a Regular Expression? A regular expression is a sequence of characters that forms a search p...

Posted by Andy Feng on February 15, 2016

Apply Google reCAPTCHA into your site

This article introduces how to apply Google reCAPTCHA into form submission of your site CAPTCHA is a system designed to distinguish human from machine input. It is typically used in websites with ...

Posted by Andy Feng on February 1, 2016

Grab and parse data using Selenium WebDriver Part 3 - create parsing application using C#

This article introduces how to use Selenium WebDriver to simulate browser operations such as load a page, manipulate DOM, extract data and provides ready-to-go sample code in Java and C#. Introduc...

Posted by Andy Feng on January 15, 2016

Grab and parse data using Selenium WebDriver Part 2 - Java and C# implementations

This article introduces how to use Selenium WebDriver to simulate browser operations such as load a page, manipulate DOM, extract data and provides ready-to-go sample code in Java and C#. Introduc...

Posted by Andy Feng on January 12, 2016

Grab and parse data using Selenium WebDriver Part 1 - Selenium fundamentals

This article introduces how to use Selenium WebDriver to simulate browser operations such as load a page, manipulate DOM, extract data and provides ready-to-go sample code in Java and C# Introduct...

Posted by Andy Feng on January 9, 2016

Welcome to my blog!

This is the first post. Test code snippets: def print_hi(name) puts "Hi, #{name}" end print_hi('Tom') #=> prints 'Hi, Tom' to STDOUT.

Posted by Andy Feng on November 4, 2015

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