qifeng sun

qifeng sun

Member Since May 17, 2017

6,274

Total Points

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Skills & Experience

  • Spoken Languages

    • English, Chinese
  • Looking for work

    Yes

66 Achievements

  • Daily Exercise Program
  • Unit Converter
  • Getting to Know PHP
  • 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
  • Ruby Iteration
  • Ruby Arrays
  • Ruby Logical Operators
  • Ruby Control Structures
  • Ruby Operators
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • Methods
  • Object-Oriented Programming
  • Prepare and Plan
  • Python Sets
  • Python Tuples
  • Python Lists
  • Shopping List App
  • Letter Game App
  • Number Game App
  • Logic in Python
  • Python Data Types
  • Python For Beginners
  • Joining Table Data with SQL
  • Table Relationships
  • Date and Time Functions
  • Database Keys
  • Database Normalization
  • Exploring the Java Collections Framework
  • Delivering the MVP
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Aggregate and Numeric Functions
  • Working with Text
  • Ordering, Limiting and Paging Results
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Getting Started with iOS Development
  • Differentiating Between Objects
  • Class Inheritance
  • Classes in Swift
  • Complex Data Structures
  • Adding Power to Functions
  • Functions in Swift
  • Control Flow With Conditional Statements
  • Control Flow With Loops
  • Dictionaries in Swift
  • Introduction to Collections
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • Newbie