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xu feng

Member Since February 28, 2015

10,874

Total Points

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2,185

PHP

2185 pts
Achievements

0 pts
Forum
•
1,101

JavaScript

1101 pts
Achievements

0 pts
Forum
•
480

CSS

480 pts
Achievements

0 pts
Forum
•
302

HTML

302 pts
Achievements

0 pts
Forum
•
193

Business

193 pts
Achievements

0 pts
Forum
•
80

Development Tools

80 pts
Achievements

0 pts
Forum
•
6

Security

6 pts
Achievements

0 pts
Forum

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152 Achievements

Achievement
Object Initialization

Intermediate Swift

Achieved
Aug 1, 2017
Achievement
Properties

Intermediate Swift

Achieved
Aug 1, 2017
Achievement
Getting Oriented - Object-Oriented, That Is

Object-Oriented Objective-C

Achieved
Jul 29, 2017
Achievement
Immersive Examples

Objective-C Basics

Achieved
Jul 29, 2017
Achievement
Scope and Loops

Objective-C Basics

Achieved
Jul 29, 2017
Achievement
More Operators

Objective-C Basics

Achieved
Jul 29, 2017
Achievement
Operators and Conditionals

Objective-C Basics

Achieved
Jul 29, 2017
Achievement
Data Types and Variables

Objective-C Basics

Achieved
Jul 28, 2017
Achievement
Intro to Objective-C

Objective-C Basics

Achieved
Jul 28, 2017
Achievement
Loading Data From a Resource

Build a Vending Machine App in Swift

Achieved
Jul 28, 2017
Achievement
Modeling an Interface

Build a Vending Machine App in Swift

Achieved
Jul 27, 2017
Achievement
Error Handling

Error Handling in Swift

Achieved
Jul 27, 2017
Achievement
Creating Flexible Objects Using Protocols

Protocols in Swift

Achieved
Jul 27, 2017
Achievement
Protocol Basics

Protocols in Swift

Achieved
Jul 26, 2017
Achievement
Objects and Optionals

Enumerations and Optionals in Swift

Achieved
Jul 26, 2017
Achievement
Introduction to Optionals

Enumerations and Optionals in Swift

Achieved
Jul 25, 2017
Achievement
Introduction to Enumerations

Enumerations and Optionals in Swift

Achieved
Jul 24, 2017
Achievement
Writing Great Swift

API Design Guidelines in Swift

Achieved
Jul 24, 2017
Achievement
Running Apps on a Device

Build a Simple iPhone App with Swift

Achieved
Jul 24, 2017
Achievement
Improving Our User Interface

Build a Simple iPhone App with Swift

Achieved
Jul 24, 2017
Achievement
Structs As Data Models

Build a Simple iPhone App with Swift

Achieved
Jul 23, 2017
Achievement
View Controllers and Views

Build a Simple iPhone App with Swift

Achieved
Jul 23, 2017
Achievement
Getting Started with iOS Development

Build a Simple iPhone App with Swift

Achieved
Jul 22, 2017
Achievement
Differentiating Between Objects

Object-Oriented Swift

Achieved
Jul 22, 2017
Achievement
Class Inheritance

Object-Oriented Swift

Achieved
Jul 22, 2017
Achievement
Classes in Swift

Object-Oriented Swift

Achieved
Jul 22, 2017
Achievement
Complex Data Structures

Object-Oriented Swift

Achieved
Jul 22, 2017
Achievement
Adding Power to Functions

Functions in Swift

Achieved
Jul 21, 2017
Achievement
Functions in Swift

Functions in Swift

Achieved
Jul 21, 2017
Achievement
Control Flow With Conditional Statements

Swift Collections and Control Flow

Achieved
Jul 21, 2017
Achievement
Control Flow With Loops

Swift Collections and Control Flow

Achieved
Jul 21, 2017
Achievement
Dictionaries in Swift

Swift Collections and Control Flow

Achieved
Jul 20, 2017
Achievement
Introduction to Collections

Swift Collections and Control Flow

Achieved
Jul 20, 2017
Achievement
Swift Operators

Swift Basics

Achieved
Jul 20, 2017
Achievement
Swift Types

Swift Basics

Achieved
Jul 20, 2017
Achievement
An Introduction to Swift Programming

Swift Basics

Achieved
Jul 20, 2017
Achievement
Global and Product Templates and Hooks

WooCommerce Theme Development

Achieved
Mar 13, 2016
Achievement
Handling Routes in Node.js

Build a Simple Dynamic Site with Node.js

Achieved
Jan 23, 2016
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Jan 10, 2016
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Jan 10, 2016
Achievement
Quiz Practice Project

Object-Oriented JavaScript (2015)

Achieved
Jan 10, 2016
Achievement
Constructor Functions & Prototypes

Object-Oriented JavaScript (2015)

Achieved
Jan 9, 2016
Achievement
Prototypal Inheritance

Object-Oriented JavaScript (2015)

Achieved
Jan 9, 2016
Achievement
Introduction to Methods

Object-Oriented JavaScript (2015)

Achieved
Jan 8, 2016
Achievement
Starting Right with PHP Best Practices

PHP Standards and Best Practices

Achieved
Jan 7, 2016
Achievement
WordPress Settings API Overview

WordPress Settings API

Achieved
Jan 3, 2016
Achievement
Content Comes First

SEO for WordPress

Achieved
Dec 29, 2015
Achievement
An Overview of Menus in WordPress

Custom Menu Development in WordPress

Achieved
Dec 20, 2015
Achievement
WordPress Themes

WordPress Basics

Achieved
Dec 13, 2015
Achievement
The WordPress Customizer

WordPress Basics

Achieved
Dec 12, 2015
Achievement
Managing Content in WordPress

WordPress Basics

Achieved
Dec 11, 2015
Achievement
Default User Roles in WordPress

Managing Users in WordPress

Achieved
Dec 9, 2015
Achievement
An Overview of User Roles and Fields

Managing Users in WordPress

Achieved
Dec 9, 2015
Achievement
Web Apps

Accessibility

Achieved
Dec 8, 2015
Achievement
Websites

Accessibility

Achieved
Dec 8, 2015
Achievement
Introduction

Accessibility

Achieved
Dec 8, 2015
Achievement
Contact Forms & Mailers

Building Websites with PHP

Achieved
Dec 8, 2015
Achievement
Slim and Templates

Building Websites with PHP

Achieved
Dec 8, 2015
Achievement
Creating an SVG

SVG Basics

Achieved
Dec 8, 2015
Achievement
Introduction to SVG

SVG Basics

Achieved
Dec 8, 2015
Achievement
Better SEO Through Tools

SEO Basics

Achieved
Dec 6, 2015
Achievement
Better SEO Through Code

SEO Basics

Achieved
Dec 6, 2015
Achievement
Social Interactions in BuddyPress

Learn BuddyPress: Social Networks with WordPress

Achieved
Jun 21, 2015
Achievement
Getting Started with BuddyPress

Learn BuddyPress: Social Networks with WordPress

Achieved
Jun 21, 2015
Achievement
Getting Started with WordPress

Getting Started with WordPress

Achieved
Jun 21, 2015
Achievement
More Advanced PHP for WordPress

PHP for WordPress

Achieved
Jun 21, 2015
Achievement
PHP Basics for WordPress

PHP for WordPress

Achieved
Jun 21, 2015
Achievement
Introduction to PHP for WordPress

PHP for WordPress

Achieved
Jun 21, 2015
Achievement
Dependency Management

Building Websites with PHP

Achieved
May 26, 2015
Achievement
Understanding Values and Units

CSS Basics (2014)

Achieved
May 25, 2015
Achievement
Basic Selectors

CSS Basics (2014)

Achieved
May 25, 2015
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
May 14, 2015
Achievement
Limiting Results in Queries

Using PHP with MySQL

Achieved
May 5, 2015
Achievement
Using Relationship Tables

Using PHP with MySQL

Achieved
May 5, 2015
Achievement
Filtering Input for Queries

Using PHP with MySQL

Achieved
May 5, 2015
Achievement
Querying the Database

Using PHP with MySQL

Achieved
May 5, 2015
Achievement
Connecting to MySQL

Using PHP with MySQL

Achieved
May 5, 2015
Achievement
PHP Internal Functions

PHP Functions

Achieved
Apr 19, 2015
Achievement
PHP Returns & Closures

PHP Functions

Achieved
Apr 19, 2015
Achievement
PHP Functions Basics

PHP Functions

Achieved
Apr 19, 2015
Achievement
PHP Loops

PHP Basics (Retired)

Achieved
Apr 19, 2015
Achievement
PHP Conditionals

PHP Basics (Retired)

Achieved
Apr 19, 2015
Achievement
PHP Datatypes

PHP Basics (Retired)

Achieved
Apr 19, 2015
Achievement
PHP Data & Structure

PHP Basics (Retired)

Achieved
Apr 18, 2015
Achievement
PHP Getting Started

PHP Basics (Retired)

Achieved
Apr 18, 2015
Achievement
Fundamentals of C

Objective-C Basics (Retired)

Achieved
Apr 12, 2015
Achievement
Introduction to SEO

SEO Basics

Achieved
Apr 11, 2015
Achievement
PHP Inheritance & Interfaces

Object-Oriented PHP Basics (Retired)

Achieved
Apr 11, 2015
Achievement
PHP Properties & Methods

Object-Oriented PHP Basics (Retired)

Achieved
Apr 11, 2015
Achievement
PHP Objects and Classes

Object-Oriented PHP Basics (Retired)

Achieved
Apr 11, 2015
Achievement
Cleaning URLs with Subfolders

Enhancing a Simple PHP Application

Achieved
Apr 5, 2015
Achievement
Integrating Validation Errors

Enhancing a Simple PHP Application

Achieved
Apr 5, 2015
Achievement
Simple PHP Application: Wrapping Up The Project

Build a Simple PHP Application

Achieved
Apr 5, 2015
Achievement
Working with PHP Functions

Build a Simple PHP Application

Achieved
Apr 5, 2015
Achievement
Integrating With Paypal

Build a Simple PHP Application

Achieved
Apr 5, 2015
Achievement
Listing Inventory Items

Build a Simple PHP Application

Achieved
Apr 4, 2015
Achievement
Adding a Contact Form

Build a Simple PHP Application

Achieved
Apr 4, 2015
Achievement
Creating the Menu and Footer

Build a Simple PHP Application

Achieved
Apr 4, 2015
Achievement
Getting Started with PHP

Build a Simple PHP Application

Achieved
Apr 4, 2015
Achievement
Responsive Patterns

Responsive Layouts

Achieved
Mar 24, 2015
Achievement
Media Queries

Responsive Layouts

Achieved
Mar 24, 2015
Achievement
Responsive Theory

Responsive Layouts

Achieved
Mar 24, 2015
Achievement
Database Security

PHP & Databases with PDO

Achieved
Mar 17, 2015
Achievement
Queries & Results

PHP & Databases with PDO

Achieved
Mar 17, 2015
Achievement
Getting Started with PDO

PHP & Databases with PDO

Achieved
Mar 17, 2015
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Mar 16, 2015
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Mar 16, 2015
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Mar 16, 2015
Achievement
Connecting WordPress Plugins with 3rd Party APIs

How to Build a WordPress Plugin

Achieved
Mar 11, 2015
Achievement
Building a WordPress Plugin Settings Page

How to Build a WordPress Plugin

Achieved
Mar 10, 2015
Achievement
How WordPress Plugins Work

How to Build a WordPress Plugin

Achieved
Mar 10, 2015
Achievement
Hooking Into WordPress Plugins

WordPress Hooks - Actions and Filters

Achieved
Mar 10, 2015
Achievement
Action Functions in WordPress

WordPress Hooks - Actions and Filters

Achieved
Mar 10, 2015
Achievement
Filter Functions in WordPress

WordPress Hooks - Actions and Filters

Achieved
Mar 10, 2015
Achievement
An Overview of Hooks in WordPress

WordPress Hooks - Actions and Filters

Achieved
Mar 10, 2015
Achievement
Custom WordPress Customizer Settings

WordPress Customizer API

Achieved
Mar 10, 2015
Achievement
Native WordPress Customizer Options

WordPress Customizer API

Achieved
Mar 10, 2015
Achievement
Custom Dashboard Widgets

Customizing the WordPress Admin Area

Achieved
Mar 10, 2015
Achievement
Controlling Admin Navigation

Customizing the WordPress Admin Area

Achieved
Mar 10, 2015
Achievement
Customizing the Login Screen

Customizing the WordPress Admin Area

Achieved
Mar 10, 2015
Achievement
Admin Color Schemes

Customizing the WordPress Admin Area

Achieved
Mar 10, 2015
Achievement
Overview of the WordPress Customizer

WordPress Customizer API

Achieved
Mar 10, 2015
Achievement
Add Bootstrap Components to WordPress Theme

From Bootstrap to WordPress

Achieved
Mar 10, 2015
Achievement
Create Bootstrap Styled Theme Templates

From Bootstrap to WordPress

Achieved
Mar 9, 2015
Achievement
Setup a Bootstrap Theme

From Bootstrap to WordPress

Achieved
Mar 9, 2015
Achievement
A Template Hierarchy Review

The WordPress Template Hierarchy

Achieved
Mar 9, 2015
Achievement
Media Templates in WordPress

The WordPress Template Hierarchy

Achieved
Mar 9, 2015
Achievement
Custom Post Type Templates

The WordPress Template Hierarchy

Achieved
Mar 9, 2015
Achievement
Archive Templates in WordPress

The WordPress Template Hierarchy

Achieved
Mar 9, 2015
Achievement
Page and Post Templates in WordPress

The WordPress Template Hierarchy

Achieved
Mar 5, 2015
Achievement
Homepage Templates in WordPress

The WordPress Template Hierarchy

Achieved
Mar 5, 2015
Achievement
Core WordPress Theme Files

The WordPress Template Hierarchy

Achieved
Mar 5, 2015
Achievement
How WordPress Templates Work

The WordPress Template Hierarchy

Achieved
Mar 4, 2015
Achievement
Finishing Your WordPress Theme

WordPress Theme Development

Achieved
Mar 3, 2015
Achievement
Custom Homepage Templates in WordPress

WordPress Theme Development

Achieved
Mar 3, 2015
Achievement
Adding a Blog to a WordPress Theme

WordPress Theme Development

Achieved
Mar 3, 2015
Achievement
Custom Post Type Templates

WordPress Theme Development

Achieved
Mar 2, 2015
Achievement
Building Out WordPress Navigation

WordPress Theme Development

Achieved
Mar 2, 2015
Achievement
Building Page Templates in WordPress

WordPress Theme Development

Achieved
Mar 2, 2015
Achievement
The WordPress Loop

WordPress Theme Development

Achieved
Mar 2, 2015
Achievement
WordPress Header and Footer Templates

WordPress Theme Development

Achieved
Mar 2, 2015
Achievement
Working with CSS and JS in WordPress Themes

WordPress Theme Development

Achieved
Mar 2, 2015
Achievement
Starting a WordPress Theme

WordPress Theme Development

Achieved
Mar 2, 2015
Achievement
Local WordPress Development

Local WordPress Development

Achieved
Mar 2, 2015
Achievement
The WordPress Codex

The WordPress Codex

Achieved
Mar 2, 2015
Achievement
WordPress Plugin Best Practices

How to Make a Website with WordPress

Achieved
Mar 1, 2015
Achievement
Widgets and Custom Menus

How to Make a Website with WordPress

Achieved
Mar 1, 2015
Achievement
Custom Post Types and Fields

How to Make a Website with WordPress

Achieved
Mar 1, 2015
Achievement
Customizing WordPress Themes

How to Make a Website with WordPress

Achieved
Mar 1, 2015
Achievement
WordPress Themes

How to Make a Website with WordPress

Achieved
Feb 28, 2015
Achievement
Installing Wordpress

How to Make a Website with WordPress

Achieved
Feb 28, 2015
Achievement
Newbie

Achieved
Feb 28, 2015