Charles Wanjohi

Charles Wanjohi

Nairobi, Kenya

In love with coding. Excited by technology

9,235

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Skills & Experience

  • Company

    Cliffs Ltd

  • Job Title

    Project Lead / CTO

  • Spoken Languages

    • English
  • Awards

    • Bsc Computer Science
    • 2G Network RF Optimization by Zonta Technologies
    • Developer Tools Training by FastDev SE
  • Looking for work

    Yes

121 Achievements

  • 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
  • Dockerize a Web App
  • Managing Images and Containers
  • Building Images Using Dockerfiles
  • Fundamentals of Docker
  • Docker Use Cases
  • Practical Jenkins
  • Pipelines
  • How Jenkins Works
  • Branches on Git Hosting Services
  • Remote Branches
  • Merging
  • Branches
  • GitHub and Other Remote Repositories
  • Managing Committed Files
  • First Commits
  • Why React Native
  • Angular Form Validation
  • Angular Basic Forms
  • Services in Angular
  • Angular Components
  • Setting Up an Angular Application
  • Finishing the Game
  • Introducing JavaScript
  • Refining the App
  • Building the Application
  • Setting up with Create React App
  • Reformatting User Input
  • Validating a Form with Regular Expressions
  • Regular Expressions
  • Going Further with Routing
  • Navigating, Nesting and Redirecting Routes
  • Getting Started with React Router
  • Putting it all Together
  • Actions, Dispatch and Reducers. Oh my!
  • Modularizing the React Scoreboard Application
  • Getting Started with Redux
  • Component Lifecycle
  • Designing Dataflow
  • Stateful Components
  • Thinking in Components
  • First Steps in React
  • Styling and Scaling Data
  • Data Binding with D3
  • Selections with D3
  • Improving Our Tests
  • Next Steps
  • Behavior Driven Development with Mocha & Chai
  • Introducing Unit Testing
  • Completing and Testing the API
  • Communicating with Mongo Through Mongoose
  • Modeling Data for the API
  • Building API Routes in Express
  • Building a REST Service
  • Express Middleware
  • Sessions and Cookies
  • User Registration and Login
  • What is Authentication?
  • Go Further With Mongo
  • Working With Collections
  • Understanding MongoDB
  • Getting Started with MongoDB
  • Serving Static Files in Express
  • Applying Express Knowledge
  • Middleware
  • Deeper into Routing with Express
  • Using Templates with Express
  • Getting Started with Express
  • Improving your Gulp Workflow
  • Compile Sass with Gulp
  • Gulp your JavaScript workflow!
  • Welcome to Gulp.js
  • Updating and Uninstalling Packages with npm
  • Installing Packages with npm
  • What is npm?
  • HTTP Methods and Headers
  • Creating a Basic Template Engine in Node.js
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • Classes
  • Objects and New Collection Types
  • The Cooler Parts of ES2015
  • ES2015 Basics
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • DOM Traversal
  • DOM Manipulation
  • Events
  • Hello, jQuery!
  • Traversing the DOM
  • Responding to User Interaction
  • Making Changes to the DOM
  • Getting a Handle on the DOM
  • The Browser Environment
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Creating a Command Line Weather Application
  • Handling Errors in Node
  • Getting Data From an API With Node
  • Introduction to Node.js
  • Newbie