weiquanlo

weiquanlo

Member Since April 28, 2018
Open to Work

12,054

Total Points

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

Skills & Experience

  • Spoken Languages

    • Mandarin
    • English

140 Achievements

  • Achievement

    Day 2: Advanced Selecting

    SQL Reporting by Example

    Achieved

    Jun 13, 2023

    Day 2: Advanced Selecting
  • Achievement

    Traversing the DOM

    Interacting with the DOM

    Achieved

    Jun 10, 2023

    Traversing the DOM
  • Achievement

    Responding to User Interaction

    Interacting with the DOM

    Achieved

    Jun 3, 2023

    Responding to User Interaction
  • Achievement

    Making Changes to the DOM

    JavaScript and the DOM

    Achieved

    May 5, 2023

    Making Changes to the DOM
  • Achievement

    Getting a Handle on the DOM

    JavaScript and the DOM

    Achieved

    May 4, 2023

    Getting a Handle on the DOM
  • Achievement

    The Browser Environment

    JavaScript and the DOM

    Achieved

    May 4, 2023

    The Browser Environment
  • Achievement

    Loop Through Objects

    JavaScript Objects

    Achieved

    Apr 26, 2023

    Loop Through Objects
  • Achievement

    Object Basics

    JavaScript Objects

    Achieved

    Apr 18, 2023

    Object Basics
  • Achievement

    Multidimensional Arrays

    JavaScript Arrays

    Achieved

    Apr 17, 2023

    Multidimensional Arrays
  • Achievement

    Loop Through Arrays

    JavaScript Arrays

    Achieved

    Apr 16, 2023

    Loop Through Arrays
  • Achievement

    Store Multiple Values in an Array

    JavaScript Arrays

    Achieved

    Apr 15, 2023

    Store Multiple Values in an Array
  • Achievement

    Working with 'for' Loops

    JavaScript Loops

    Achieved

    Apr 13, 2023

    Working with 'for' Loops
  • Achievement

    Simplify Repetitive Tasks with Loops

    JavaScript Loops

    Achieved

    Apr 12, 2023

    Simplify Repetitive Tasks with Loops
  • Achievement

    Arrow Functions

    JavaScript Functions

    Achieved

    Apr 11, 2023

    Arrow Functions
  • Achievement

    Pass Information Into Functions

    JavaScript Functions

    Achieved

    Apr 6, 2023

    Pass Information Into Functions
  • Achievement

    Create Reusable Code with Functions

    JavaScript Functions

    Achieved

    Apr 6, 2023

    Create Reusable Code with Functions
  • Achievement

    The Math Object

    JavaScript Numbers

    Achieved

    Apr 4, 2023

    The Math Object
  • Achievement

    Working with Numbers

    JavaScript Numbers

    Achieved

    Mar 30, 2023

    Working with Numbers
  • Achievement

    Making Decisions in Your Code with Conditional Statements

    JavaScript Basics

    Achieved

    Mar 30, 2023

    Making Decisions in Your Code with Conditional Statements
  • Achievement

    Working With Strings

    JavaScript Basics

    Achieved

    Mar 28, 2023

    Working With Strings
  • Achievement

    Storing and Tracking Information with Variables

    JavaScript Basics

    Achieved

    Mar 28, 2023

    Storing and Tracking Information with Variables
  • Achievement

    Hello, JavaScript!

    JavaScript Basics

    Achieved

    Mar 27, 2023

    Hello, JavaScript!
  • Achievement

    Going Further with Routing

    React Router 4 Basics

    Achieved

    Nov 14, 2021

    Going Further with Routing
  • Achievement

    Navigating, Nesting and Redirecting Routes

    React Router 4 Basics

    Achieved

    Nov 14, 2021

    Navigating, Nesting and Redirecting Routes
  • Achievement

    Getting Started with React Router

    React Router 4 Basics

    Achieved

    Nov 14, 2021

    Getting Started with React Router
  • Achievement

    React Component Patterns

    React Components (2018)

    Achieved

    Nov 28, 2020

    React Component Patterns
  • Achievement

    Stateful Components and Lifecycle Methods

    React Components (2018)

    Achieved

    Nov 27, 2020

    Stateful Components and Lifecycle Methods
  • Achievement

    Managing State and Data Flow

    React Components (2018)

    Achieved

    Nov 26, 2020

    Managing State and Data Flow
  • Achievement

    Build Modular Interfaces with Components

    React Components (2018)

    Achieved

    Nov 24, 2020

    Build Modular Interfaces with Components
  • Achievement

    Stateful Components

    React Basics (2018)

    Achieved

    Nov 23, 2020

    Stateful Components
  • Achievement

    Introducing Props

    React Basics (2018)

    Achieved

    Nov 19, 2020

    Introducing Props
  • Achievement

    Thinking in Components

    React Basics (2018)

    Achieved

    Nov 18, 2020

    Thinking in Components
  • Achievement

    First Steps in React

    React Basics (2018)

    Achieved

    Nov 17, 2020

    First Steps in React
  • Achievement

    Controllers

    ASP.NET MVC Basics

    Achieved

    Nov 10, 2020

    Controllers
  • Achievement

    Project Setup

    ASP.NET MVC Basics

    Achieved

    Nov 10, 2020

    Project Setup
  • Achievement

    Getters and Setters

    Object-Oriented JavaScript

    Achieved

    Nov 5, 2020

    Getters and Setters
  • Achievement

    Working with Classes in JavaScript

    Object-Oriented JavaScript

    Achieved

    Nov 4, 2020

    Working with Classes in JavaScript
  • Achievement

    Object Basics

    Object-Oriented JavaScript

    Achieved

    Nov 3, 2020

    Object Basics
  • Achievement

    Introduction to Object-Oriented JavaScript

    Object-Oriented JavaScript

    Achieved

    Nov 2, 2020

    Introduction to Object-Oriented JavaScript
  • Achievement

    C# Syntax

    C# Basics

    Achieved

    Oct 27, 2020

    C# Syntax
  • Achievement

    Getting Started with Android

    Build a Simple Android App with Java

    Achieved

    Oct 17, 2020

    Getting Started with Android
  • Achievement

    JavaScript Functions

    JavaScript Quickstart

    Achieved

    Jul 10, 2020

    JavaScript Functions
  • Achievement

    Getting Started with CRUD in Spring + Hibernate

    Spring with Hibernate

    Achieved

    Jul 7, 2020

    Getting Started with CRUD in Spring + Hibernate
  • Achievement

    File Uploads and Entity Updates in Spring + Hibernate

    Spring with Hibernate

    Achieved

    Jul 7, 2020

    File Uploads and Entity Updates in Spring + Hibernate
  • Achievement

    What to Test

    Unit Testing in Java

    Achieved

    Jun 14, 2020

    What to Test
  • Achievement

    How To Test

    Unit Testing in Java

    Achieved

    Jun 12, 2020

    How To Test
  • Achievement

    Why Test

    Unit Testing in Java

    Achieved

    Jun 5, 2020

    Why Test
  • Achievement

    User Messages in Spring

    Spring with Hibernate

    Achieved

    May 22, 2020

    User Messages in Spring
  • Achievement

    Data-Driven Application Design

    Spring with Hibernate

    Achieved

    May 21, 2020

    Data-Driven Application Design
  • Achievement

    Integrating Hibernate with Spring

    Spring with Hibernate

    Achieved

    May 21, 2020

    Integrating Hibernate with Spring
  • Achievement

    Persisting Data with Hibernate

    Hibernate Basics

    Achieved

    May 14, 2020

    Persisting Data with Hibernate
  • Achievement

    Getting Started with Hibernate

    Hibernate Basics

    Achieved

    May 14, 2020

    Getting Started with Hibernate
  • Achievement

    Data Persistence & ORMs

    Hibernate Basics

    Achieved

    May 13, 2020

    Data Persistence & ORMs
  • Achievement

    Generics in Java

    Generics in Java

    Achieved

    Mar 18, 2020

    Generics in Java
  • Achievement

    Writing Your Own Java Annotation

    Java Annotations

    Achieved

    Mar 16, 2020

    Writing Your Own Java Annotation
  • Achievement

    Using Java's Built-In Annotations

    Java Annotations

    Achieved

    Mar 14, 2020

    Using Java's Built-In Annotations
  • Achievement

    Using the MVC Architecture with Spring

    Spring Basics

    Achieved

    Mar 9, 2020

    Using the MVC Architecture with Spring
  • Achievement

    Modeling, Storing, and Presenting Data with Spring

    Spring Basics

    Achieved

    Mar 8, 2020

    Modeling, Storing, and Presenting Data with Spring
  • Achievement

    Creating Spring Controllers and Thymeleaf Views

    Spring Basics

    Achieved

    Mar 2, 2020

    Creating Spring Controllers and Thymeleaf Views
  • Achievement

    Spring Components and Configuring Our App

    Spring Basics

    Achieved

    Feb 29, 2020

    Spring Components and Configuring Our App
  • Achievement

    Bells and Whistles

    Intro to Java Web Development with Spark

    Achieved

    Feb 26, 2020

    Bells and Whistles
  • Achievement

    Setting Up Your Local Environment for Spring Development

    Spring Basics

    Achieved

    Feb 21, 2020

    Setting Up Your Local Environment for Spring Development
  • Achievement

    Diving into Web Development

    Intro to Java Web Development with Spark

    Achieved

    Feb 20, 2020

    Diving into Web Development
  • Achievement

    GET and POST Requests in a Browser

    HTTP Basics

    Achieved

    Feb 16, 2020

    GET and POST Requests in a Browser
  • Achievement

    Introduction to HTTP

    HTTP Basics

    Achieved

    Feb 14, 2020

    Introduction to HTTP
  • Achievement

    Java's Functional Toolset

    Introduction to Functional Programming

    Achieved

    Aug 28, 2019

    Java's Functional Toolset
  • Achievement

    Why We Test

    Introduction to QA Engineering

    Achieved

    May 21, 2019

    Why We Test
  • Achievement

    Java Lists

    Java Lists

    Achieved

    May 16, 2019

    Java Lists
  • Achievement

    Java Maps

    Java Maps

    Achieved

    May 11, 2019

    Java Maps
  • Achievement

    Interfaces in Java

    Interfaces in Java

    Achieved

    May 11, 2019

    Interfaces in Java
  • Achievement

    Managing Media in WordPress

    WordPress Basics

    Achieved

    May 2, 2019

    Managing Media in WordPress
  • Achievement

    Managing Content in WordPress

    WordPress Basics

    Achieved

    May 1, 2019

    Managing Content in WordPress
  • Achievement

    What Is WordPress?

    What Is WordPress?

    Achieved

    Apr 29, 2019

    What Is WordPress?
  • Achievement

    Installing WordPress Locally

    Installing WordPress Locally

    Achieved

    Apr 29, 2019

    Installing WordPress Locally
  • Achievement

    S3 Storage Service

    AWS with S3

    Achieved

    Mar 10, 2019

    S3 Storage Service
  • Achievement

    AWS and "The Cloud"

    AWS with S3

    Achieved

    Mar 9, 2019

    AWS and "The Cloud"
  • Achievement

    Starting a Freelance Career

    How to Freelance

    Achieved

    Feb 16, 2019

    Starting a Freelance Career
  • Achievement

    Why Object-Oriented Programming?

    Object-Oriented PHP Basics

    Achieved

    Feb 1, 2019

    Why Object-Oriented Programming?
  • Achievement

    PHP Returns & Closures

    PHP Functions

    Achieved

    Jan 30, 2019

    PHP Returns & Closures
  • Achievement

    PHP Functions Basics

    PHP Functions

    Achieved

    Dec 15, 2018

    PHP Functions Basics
  • Achievement

    Unit Converter

    PHP Basics

    Achieved

    Dec 13, 2018

    Unit Converter
  • Achievement

    Getting to Know PHP

    PHP Basics

    Achieved

    Dec 10, 2018

    Getting to Know PHP
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Nov 21, 2018

    Introducing JavaScript
  • Achievement

    Data Types and Variables

    JavaScript Quickstart

    Achieved

    Nov 13, 2018

    Data Types and Variables
  • Achievement

    JavaScript Tools and Workflows

    The Landscape of JavaScript

    Achieved

    Nov 13, 2018

    JavaScript Tools and Workflows
  • Achievement

    JavaScript is Everywhere

    The Landscape of JavaScript

    Achieved

    Nov 12, 2018

    JavaScript is Everywhere
  • Achievement

    Dungeon Game 2

    Python Collections (2016, retired 2019)

    Achieved

    Nov 9, 2018

    Dungeon Game 2
  • Achievement

    Python Sets

    Python Collections (2016, retired 2019)

    Achieved

    Nov 8, 2018

    Python Sets
  • Achievement

    Python Tuples

    Python Collections (2016, retired 2019)

    Achieved

    Nov 7, 2018

    Python Tuples
  • Achievement

    Python Dictionaries

    Python Collections (2016, retired 2019)

    Achieved

    Nov 6, 2018

    Python Dictionaries
  • Achievement

    Day 1: Joining Tables

    SQL Reporting by Example

    Achieved

    Nov 2, 2018

    Day 1: Joining Tables
  • Achievement

    Python Slices

    Python Collections (2016, retired 2019)

    Achieved

    Nov 1, 2018

    Python Slices
  • Achievement

    Python Lists

    Python Collections (2016, retired 2019)

    Achieved

    Nov 1, 2018

    Python Lists
  • Achievement

    Build an Application

    Introducing Lists

    Achieved

    Oct 31, 2018

    Build an Application
  • Achievement

    Using Lists

    Introducing Lists

    Achieved

    Oct 30, 2018

    Using Lists
  • Achievement

    Meet Lists

    Introducing Lists

    Achieved

    Oct 29, 2018

    Meet Lists
  • Achievement

    Orientation: Selecting Data

    SQL Reporting by Example

    Achieved

    Oct 27, 2018

    Orientation: Selecting Data
  • Achievement

    All Together Now

    Python Basics

    Achieved

    Oct 26, 2018

    All Together Now
  • Achievement

    What is Agile?

    Scrum Basics

    Achieved

    Oct 26, 2018

    What is Agile?
  • Achievement

    Functions and Looping

    Python Basics

    Achieved

    Oct 25, 2018

    Functions and Looping
  • Achievement

    Subqueries

    Querying Relational Databases

    Achieved

    Oct 25, 2018

    Subqueries
  • Achievement

    Set Operations

    Querying Relational Databases

    Achieved

    Oct 24, 2018

    Set Operations
  • Achievement

    Joining Table Data with SQL

    Querying Relational Databases

    Achieved

    Oct 23, 2018

    Joining Table Data with SQL
  • Achievement

    Types and Branching

    Python Basics

    Achieved

    Oct 22, 2018

    Types and Branching
  • Achievement

    Meet Python

    Python Basics

    Achieved

    Oct 21, 2018

    Meet Python
  • Achievement

    Table Relationships

    Querying Relational Databases

    Achieved

    Oct 20, 2018

    Table Relationships
  • Achievement

    Database Keys

    Querying Relational Databases

    Achieved

    Oct 19, 2018

    Database Keys
  • Achievement

    Database Normalization

    Querying Relational Databases

    Achieved

    Oct 19, 2018

    Database Normalization
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Oct 18, 2018

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Oct 18, 2018

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Oct 18, 2018

    HTML: The Structural Foundation of Web Pages and Applications
  • Achievement

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Oct 18, 2018

    Getting Familiar with HTML and CSS
  • Achievement

    Date and Time Functions

    Reporting with SQL

    Achieved

    Oct 17, 2018

    Date and Time Functions
  • Achievement

    Aggregate and Numeric Functions

    Reporting with SQL

    Achieved

    Oct 17, 2018

    Aggregate and Numeric Functions
  • Achievement

    Working with Text

    Reporting with SQL

    Achieved

    Oct 16, 2018

    Working with Text
  • Achievement

    Ordering, Limiting and Paging Results

    Reporting with SQL

    Achieved

    Oct 14, 2018

    Ordering, Limiting and Paging Results
  • Achievement

    Creating and Modifying Database Tables

    Creating and Modifying Database Tables

    Achieved

    Oct 6, 2018

    Creating and Modifying Database Tables
  • Achievement

    Handling Errors When Manipulating Data

    Modifying Data with SQL

    Achieved

    Oct 6, 2018

    Handling Errors When Manipulating Data
  • Achievement

    Deleting Data from a Database

    Modifying Data with SQL

    Achieved

    Oct 6, 2018

    Deleting Data from a Database
  • Achievement

    Updating Data in a Database

    Modifying Data with SQL

    Achieved

    Oct 2, 2018

    Updating Data in a Database
  • Achievement

    Adding Data to a Database

    Modifying Data with SQL

    Achieved

    Sep 16, 2018

    Adding Data to a Database
  • Achievement

    Finding the Data You Want

    SQL Basics

    Achieved

    Aug 30, 2018

    Finding the Data You Want
  • Achievement

    Getting Data from a Database

    SQL Basics

    Achieved

    Aug 25, 2018

    Getting Data from a Database
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Jul 31, 2018

    Data, Databases and SQL
  • Achievement

    Structuring Your Content

    HTML Basics

    Achieved

    Jul 30, 2018

    Structuring Your Content
  • Achievement

    Getting Started With HTML

    HTML Basics

    Achieved

    Jul 24, 2018

    Getting Started With HTML
  • Achievement

    Organizing Data

    Java Data Structures

    Achieved

    Jun 28, 2018

    Organizing Data
  • Achievement

    Getting There

    Java Data Structures

    Achieved

    Jun 14, 2018

    Getting There
  • Achievement

    Gotchas and Wins

    Java Arrays

    Achieved

    Jun 12, 2018

    Gotchas and Wins
  • Achievement

    Iteration

    Java Arrays

    Achieved

    Jun 12, 2018

    Iteration
  • Achievement

    Creation

    Java Arrays

    Achieved

    Jun 10, 2018

    Creation
  • Achievement

    Delivering the MVP

    Java Objects

    Achieved

    Jun 9, 2018

    Delivering the MVP
  • Achievement

    Creating the MVP

    Java Objects

    Achieved

    Jun 6, 2018

    Creating the MVP
  • Achievement

    Becoming a Design Thinker

    Design Thinking

    Achieved

    Jun 4, 2018

    Becoming a Design Thinker
  • Achievement

    Harnessing the Power of Objects

    Java Objects

    Achieved

    May 28, 2018

    Harnessing the Power of Objects
  • Achievement

    Meet Objects

    Java Objects

    Achieved

    May 19, 2018

    Meet Objects
  • Achievement

    Perfecting the Prototype

    Java Basics

    Achieved

    May 12, 2018

    Perfecting the Prototype
  • Achievement

    Using your New Tools

    Java Basics

    Achieved

    May 10, 2018

    Using your New Tools
  • Achievement

    Getting Started with Java

    Java Basics

    Achieved

    May 2, 2018

    Getting Started with Java
  • Achievement

    Newbie

    Achieved

    Apr 28, 2018

    Newbie