Aruna Lakmal

arunalakmal

  • 10 Courses Completed
  • 49 Levels Completed
  • 1 Screencasts Watched
  • 116,880 Total Points

Master Status

Achievement Badges

JavaScript: 3 Courses Completed

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JavaScript Road Trip Part 1

JavaScript Language

An introduction to the very basics of the JavaScript language. Build a foundation of JavaScript syntax and learn how to use values, variables, and files.

  • The Cliffs of Value

    Learn to manipulate values on the console.

  • Variable Valley

    Review how to store and use data with variables.

  • Files Falls

    Create JS files and source them within HTML code.

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JavaScript Road Trip Part 2

JavaScript Language

A continued introduction to the very basics of the JavaScript language. Learn common programming mechanisms like loops, conditionals, functions, and arrays.

  • The Labyrinth of Loops

    Understand and build loops for repeated code with 'while' and 'for' syntax.

  • Conditional Canyon

    Use conditions to execute different branches of code with if-else blocks.

  • Built-In's Bluff

    Learn to use the basic JavaScript dialog box functions 'prompt', 'alert', and 'confirm'.

  • The Desert of Declarations

    Understand functions and building custom functionality.

  • The Array Archipelago

    Learn to build and manipulate the array data structure.

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Try Ember

Client-side Frameworks

Pack your bags and help the Woodland Wanderers as you learn how to use Ember and Ember CLI to build your next ambitious web applications.

  • Getting Started

    Learn what Ember is, who uses it, and how to create your first Ember application with Ember CLI.

  • Routing and Templating

    Meet the Ember router and routes, and customize the presentation of your application using templates.

  • Models and Services

    Explore services to share common features and functionality while using models to formalize your application data.

  • Actions

    React to user events and make your application more dynamic and interesting with actions.

  • Properties and Components

    Bring everything together for cleanliness and reuse with Ember’s computed properties and components.

JavaScript: 1 Screencast Watched

Git: 2 Courses Completed

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Try Git

Git

Learn how to use Git by reviewing the basic concepts of Git version control. Try out this introductory course that was created with GitHub.

  • Discover Git

    Discover the basics of Git, including how to initialize a repo. Learn how to add, commit, and push your code to GitHub.

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Git Real

Git

Learn more advanced Git by practicing the concepts of Git version control. Increase your Git knowledge by learning more advanced systems within Git.

  • Introduction

    Learn the basics of Git

  • Staging & Remotes

    Add and remove changed files, and work with remote repositories

  • Cloning & Branching

    Clone repositories and learn how to work with multiple branches

  • Collaboration Basics

    Work simultaneously with multiple users

  • Branching

    Work with remote branches and reference commits

  • Rebase belong to us

    Optimize merging and fix merge conflicts

  • History and Configuration

    Learn how to configure and view commit logs

Database: 3 Courses Completed

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Try SQL

SQL

Learn basic database manipulation skills using the SQL programming language.

  • The Ins and Outs of Databases

    Learn about databases from the inside out, as well as how to perform simple data queries and filter data with special query tools in SQL.

  • Managing Data

    Find out how to add, revise, and remove data in an existing database.

  • Managing Databases and Tables

    Discover basic concepts for creating and altering databases and tables.

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The Sequel to SQL

SQL

​Learn the most important parts of the SQL language so you can create tables with constraints, use relationships, and write powerful join queries.

  • Aggregate Functions

    Learn how to use SQL aggregate functions, including COUNT, SUM, and AVG, to do calculations on groups of data.

  • Table Constraints

    Add constraints — like NOT NULL, UNIQUE, FOREIGN KEY, and PRIMARY KEY — to your tables to increase data integrity.

  • Normalization and Relationships

    Apply normalization rules to create tables without duplicate data and build the appropriate relationships.

  • Inner Joins, Aliases, and Outer Joins

    Explore writing a single query to pull data from multiple tables and using aliases to create succinct queries.

  • Subqueries

    Dive deeper as you learn how to write queries within queries.

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The Magical Marvels of MongoDB

NoSQL

MongoDB acts as the database that stores data for your application. Explore the basics and learn to store data in a document-oriented database.

  • Conjuring MongoDB

    Capture the mystical basics of MongoDB and try your hand at inserting and finding documents.

  • Mystical Modifications

    ​Learn the lore behind performing updates and transform your data.

  • Materializing Potions

    Dig deep into the spell book to learn how to conjure and customize queries.

  • Morphing Models

    Summon the wisdom to guide you in your journey of modeling data.

  • Aggregation Apparitions

    ​Explore the realm of aggregations to see how data can be combined in miraculous ways.

Electives: 2 Courses Completed

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Breaking the Ice With Regular Expressions

Electives

Search for text patterns using regular expressions and learn to validate emails and URLs, capture information, and use simple patterns to save development time.

  • The String Story

    Learn what regular expressions are, and write your first expression. Discover literals, operators, character sets, modifiers, and metacharacters.

  • Crew Emails

    Journey into validating emails with wildcards, escaping characters, groups, and anchors.

  • Confirmative

    Take a voyage to the edge with word boundaries and creating optional variations. Negate characters within character sets, and then use the negated shorthand. Finally, match specific amounts of characters with interval expressions.

  • Multi-line Strings

    Discover multi-line strings, and journey deeper with much larger subject strings. Search the globe and properly drop anchors with global and multi-line modifiers.

  • Capture Groups

    Grab the loot with capture groups, and learn how to extract sections of text for reference. Also discover when it's appropriate to have groups not capture.

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Discover DevTools

Electives

Learn how Chrome DevTools can sharpen your dev process and discover the tools that can optimize your workflow and make life easier.

  • Elements

    Dig into the elements panel, learn how to make changes to the DOM and update styles.

  • Sources

    New workflows to speed up your development time.

  • Console

    Review the DevTools console and learn how to examine exceptions and use timesaving shortcuts.

  • Debugging

    Great workflows for debugging problems in your JavaScript.

  • Network

    Speed up your network interactions using the network tab and the page speed extension.

  • Profiles

    Get familar with your applications rendering performance and learn how to use CPU profiling to identity performance problems.

  • Memory

    Learn how to find and identify memory leaks in your application.