Lin Lu

Lin Lu

Shenzhen

Web Developer

29,171

Total Points

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Skills & Experience

  • Company

    21NET Belgium

  • Job Title

    Web Developer

  • Spoken Languages

    • English
    • Chinese
  • Looking for work

    Yes

368 Achievements

  • PHP Loops
  • PHP Arrays
  • PHP Conditionals
  • PHP on the Web
  • Daily Exercise Program
  • Unit Converter
  • Getting to Know PHP
  • Security: Solutions
  • Security: Concerns
  • Getting the REST You Need 2
  • Subqueries
  • Set Operations
  • Joining Table Data with SQL
  • Table Relationships
  • Database Keys
  • Database Normalization
  • Lists, Code, Links and Images
  • Understanding Markdown
  • Merge Sort and Linked Lists
  • The Merge Sort Algorithm
  • Building a Linked List
  • Exploring Arrays
  • Searching Names
  • Sorting Algorithms
  • Recursion and Space Complexity
  • Algorithms in Code
  • Time Complexity
  • Playing a Counting Game
  • Classes
  • Objects and New Collection Types
  • The Cooler Parts of ES2015
  • ES2015 Basics
  • PHPDB Stage 5: Search
  • PHPDB Stage 4: Pagination with LIMITs
  • Building a Collection
  • Building the Recipe
  • Understanding Classes
  • Why Object-Oriented Programming?
  • Organizing your Tests
  • Using your New Tools
  • Getting Started with Java
  • PHPDB Stage 3: Using Relational Data
  • PHPDB Stage 2: Querying the Database with PHP
  • Next Steps
  • Improving Our Tests
  • Behavior Driven Development with Mocha & Chai
  • Introducing Unit Testing
  • PHPDB Stage 1: Databases and PHP
  • Go Further With Mongo
  • Working With Collections
  • Understanding MongoDB
  • Getting Started with MongoDB
  • Adding 3D Effects with CSS
  • Getting Started with CSS Transforms
  • Transition Timing Functions and Delays
  • Getting Started with CSS Transitions
  • Date and Time Functions
  • Aggregate and Numeric Functions
  • Working with Text
  • Ordering, Limiting and Paging Results
  • Getting the REST You Need
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Updating Data in a Database
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Adding Data to a Database
  • PHP Email Form Errors
  • PHP Email Forms
  • PHP Inventory
  • PHP Includes
  • Adding a New Web Page
  • Make It Beautiful with CSS
  • HTML: The Structural Foundation of Web Pages and Applications
  • Getting Familiar with HTML and CSS
  • Updating and Uninstalling Packages with npm
  • Installing Packages with npm
  • What is npm?
  • Improving your Gulp Workflow
  • Compile Sass with Gulp
  • Gulp your JavaScript workflow!
  • Welcome to Gulp.js
  • Finishing the Prototype
  • Grid Layout and UI Components
  • Getting to Know Foundation for Apps
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Debugging, Best Practices, and Production
  • Refactoring with Sass
  • Installing Sass and Setting up the Project
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Art Direction with the Picture Element
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Creating an SVG
  • Introduction to SVG
  • Image Delivery with Srcset and Sizes
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • The Internet
  • Improving Our Todo App
  • Services in Angular
  • Using Angular's Built-in Directives
  • Controllers and Scope
  • Getting Started with Angular
  • Contact Forms & Mailers
  • Slim and Templates
  • Positioning Page Content
  • CSS Layout Project
  • Dependency Management
  • Page Layout with the Float Property
  • Controlling Layout with CSS Display Modes
  • Getting Started with CSS Layout
  • WWW
  • Treehouse Club - CSS
  • Using a jQuery Carousel
  • Add a Sticky Navigation Bar
  • Introducing jQuery Plugins
  • MASH JavaScript
  • MASH CSS
  • MASH HTML
  • Welcome to the Treehouse Club
  • Treehouse Club - JavaScript
  • Website Basics
  • HTTP Methods and Headers
  • Creating a Basic Template Engine in Node.js
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • What's New in Foundation 5
  • Build a Website With Foundation
  • Prototyping With Foundation
  • Build a Website With Bootstrap
  • Layer Basics
  • Workspace Basics
  • Getting Started with Sass
  • Design Foundations Final
  • Becoming a Problem Solver
  • Understanding Aesthetics
  • Introduction to Design
  • Computer Languages
  • Computer Basics
  • AngularJS MVC Frameworks
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Local Python
  • Local WordPress Development
  • WordPress Plugin Best Practices
  • Widgets and Custom Menus
  • Custom Post Types and Fields
  • Customizing WordPress Themes
  • WordPress Themes
  • Installing Wordpress
  • Finding Good WordPress Plugins and Themes
  • Managing Comments on a WordPress Blog
  • Working with Media in WordPress Blogs
  • Posts and Pages in WordPress
  • Blogging with WordPress Overview
  • WordPress Admin Settings
  • WordPress User Roles
  • The WordPress Codex
  • Building Out WordPress Navigation
  • Building Page Templates in WordPress
  • The WordPress Loop
  • WordPress Header and Footer Templates
  • Working with CSS and JS in WordPress Themes
  • Starting a WordPress Theme
  • Hack-n-Slash
  • Python Inheritance
  • Python Objects
  • Dungeon Game
  • Tuples
  • Dictionaries
  • Slices
  • Lists Redux
  • Owning a WordPress Site Long Term
  • WordPress Community Management
  • Working with Media in WordPress
  • Adding and Editing Content
  • Getting a WordPress Site
  • Getting Started with WordPress
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • Working with Media Queries
  • CSS Animation Basics
  • Building a Command Line Application
  • Introduction to Node.js
  • Prototyping With Bootstrap
  • Introduction to Front-End Frameworks
  • Understanding CSS Transitions and Transforms
  • Understanding Flexbox and Multi-Column Layout
  • Combine and Minify Assets
  • Optimize Assets
  • Measuring Performance
  • Planning for Performance
  • Chrome DevTools Basics
  • Web Apps
  • Websites
  • Introduction
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Custom Media Players
  • Captioning Video
  • Media Basics
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Structuring Tables
  • Table Basics
  • Grid Layout
  • Flexbox Layout
  • Positioning Schemes
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Float Layout
  • Display Modes
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Creating Your Tests
  • Relating Models
  • Laravel CRUD
  • Validation & Flash Messages
  • Laravel Forms
  • Laravel & Databases
  • Laravel Controllers
  • Laravel Project Setup
  • Laravel Getting Started
  • PHP Inheritance & Interfaces
  • PHP Properties & Methods
  • PHP Objects and Classes
  • Database Security
  • Queries & Results
  • Getting Started with PDO
  • Error Handling
  • PHP Loops
  • Creating Distributable OOP Packages
  • Autoloading and Composer
  • Databases and International Concerns
  • PHP Conditionals
  • PHP Datatypes
  • PHP Data & Structure
  • PHP Getting Started
  • Starting Right with PHP Best Practices
  • PHP Internal Functions
  • PHP Returns & Closures
  • PHP Functions Basics
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • Creating a Simple Drawing Application
  • Creating a Password Confirmation Form
  • Creating a Mobile Drop Down Menu
  • Creating a Simple Lightbox
  • Creating a Spoiler Revealer
  • Introduction to jQuery
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • JavaScript Numbers
  • JavaScript Strings
  • Introduction Variables
  • Media Queries
  • CSS Animations
  • Transitions and Transforms
  • Flexbox and Multi-Column Layout
  • Gradients
  • Web Typography
  • Backgrounds and Borders
  • CSS Box Model
  • Text, Fonts, and Lists
  • Values and Units
  • Advanced Selectors
  • Selectors
  • Getting Started with CSS
  • Protecting Yourself With Contracts
  • Limiting Results in Queries
  • Using Relationship Tables
  • Filtering Input for Queries
  • Querying the Database
  • Establishing a Proper Workflow
  • Pricing and Project Proposals
  • Finding Your First Project
  • Starting a Freelance Career
  • Connecting to MySQL
  • Securing and Maintaining a MySQL Database
  • SQL Calculating, Aggregating and Other Functions
  • Joining Relational Data Between Tables in SQL
  • Manipulating Schema with SQL
  • Creating Tables and Manipulating Data with SQL
  • Reading Data from Databases with SQL
  • Installing MySQL Server and MySQL Workbench
  • Introduction to Data, Databases and SQL
  • Paginating a List: Model and View
  • Paginating a List: Controller
  • Adding Search: Model
  • Adding Search: Controller & View
  • Refactoring the Codebase
  • Cleaning URLs with Rewrite Rules
  • Cleaning URLs with Subfolders
  • Integrating Validation Errors
  • Simple PHP Application: Wrapping Up The Project
  • Working with PHP Functions
  • Integrating With Paypal
  • Listing Inventory Items
  • Tools for Testers
  • How To Test Our Code
  • Adding a Contact Form
  • Creating the Menu and Footer
  • Getting Started with PHP
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Responsive Web Design and Testing
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Beginning HTML and CSS
  • Newbie