Bala Selvam

Bala Selvam

Member Since May 1, 2016

30,151

Total Points

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Skills & Experience

  • Spoken Languages

    • Tamil
    • English
  • Looking for work

    Yes

371 Achievements

  • “Clean” or “Dirty” Data
  • Exploring pandas
  • Meet pandas
  • Array Programming
  • Array Organization
  • Meet NumPy
  • Data Eruption
  • Chart Toppers
  • Getting Started with Data Visualization
  • The Data Analysis Process
  • Getting to Know Your Data
  • Introducing Data Analysis
  • Social Media
  • API Protection
  • Resourceful Blueprints
  • How to Win Friends
  • Broadcasting
  • Takin' Names
  • Making Strong Users
  • Character Builder
  • Flask Templates
  • Welcome to Flask
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • The Lambda Lambada
  • Functional Workhorses
  • Functional Rules
  • Dice Roller
  • Python: Advanced Objects
  • Python: Inheritance
  • Python: Instant Objects
  • Iterating and Packing with Dictionaries
  • Introducing Dictionaries
  • Sequence Operations
  • Sequence Iterations
  • Packing and Unpacking
  • Getting Info In and Out of Functions
  • Introduction to Functions
  • Getting to Know Tuples
  • Build an Application
  • Using Lists
  • Meet Lists
  • All Together Now
  • Functions and Looping
  • Types and Branching
  • Meet Python
  • Gotchas and Wins
  • Iteration
  • Creation
  • Delivering the MVP
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Why Test
  • Chrome DevTools Basics
  • Web Apps
  • Websites
  • Introduction
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Captioning Video
  • Media Basics
  • Structuring Tables
  • Table Basics
  • Combine and Minify Assets
  • Optimize Assets
  • Measuring Performance
  • Planning for Performance
  • Building Forms With Bootstrap
  • Using Bootstrap Components
  • Responsive Layouts With the Bootstrap Grid
  • Getting to Know Bootstrap 4
  • Working with jQuery Collections (2017)
  • Understanding jQuery Events and DOM Traversal (2017)
  • Introducing jQuery (2017)
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Positioning Page Content
  • CSS Layout Project
  • Page Layout with the Float Property
  • Controlling Layout with CSS Display Modes
  • Getting Started with CSS Layout
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Going Further with HTML
  • Images, Text and Links
  • Structuring Your Content
  • Getting Started With HTML
  • Create Function Using Arrow Syntax
  • Using Template Literals
  • Defining Variables With let and const
  • Finishing the Game
  • Introducing JavaScript
  • Improving the Application Code
  • Editing and Filtering Names
  • Adding and Removing Names
  • 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
  • Launching and Supporting a WordPress Plugin
  • Building WordPress Template Tags, Widgets, and Shortcodes
  • Connecting WordPress Plugins with 3rd Party APIs
  • Building a WordPress Plugin Settings Page
  • How WordPress Plugins Work
  • Customizing the WooCommerce Cart and Checkout Process
  • Starting a Custom WooCommerce Theme
  • Cart, Checkout and Account Templates and Hooks
  • Global and Product Templates and Hooks
  • Getting Started with WooCommerce Theme Development
  • SEO Plugins for WordPress
  • Enhancing the SEO of a WordPress Theme
  • Content Comes First
  • Custom Dashboard Widgets
  • Controlling Admin Navigation
  • Customizing the Login Screen
  • Admin Color Schemes
  • Custom WordPress Customizer Settings
  • Native WordPress Customizer Options
  • Overview of the WordPress Customizer
  • Hooking Into WordPress Plugins
  • Action Functions in WordPress
  • Filter Functions in WordPress
  • An Overview of Hooks in WordPress
  • Add Bootstrap Components to WordPress Theme
  • Create Bootstrap Styled Theme Templates
  • Setup a Bootstrap Theme
  • A Template Hierarchy Review
  • Media Templates in WordPress
  • Custom Post Type Templates
  • Archive Templates in WordPress
  • Page and Post Templates in WordPress
  • Homepage Templates in WordPress
  • Core WordPress Theme Files
  • How WordPress Templates Work
  • Finishing Your WordPress Theme
  • Custom Homepage Templates in WordPress
  • Adding a Blog to a WordPress Theme
  • Custom Post Type Templates
  • 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
  • WordPress Plugin Best Practices
  • WordPress Widgets
  • Custom Post Types in WordPress
  • Customizing WordPress Themes
  • WordPress Themes
  • Starting a WordPress Theme
  • More Advanced PHP for WordPress
  • PHP Basics for WordPress
  • Introduction to PHP for WordPress
  • Local WordPress Development
  • Owning a WordPress Site Long Term
  • WordPress Community Management
  • Working with Media in WordPress
  • Adding and Editing Content
  • Getting a WordPress Site
  • WordPress Plugin Best Practices
  • Widgets and Custom Menus
  • Custom Post Types and Fields
  • Customizing WordPress Themes
  • WordPress Themes
  • Installing Wordpress
  • WordPress User Roles
  • WordPress Plugins
  • WordPress Themes
  • The WordPress Customizer
  • Managing Media in WordPress
  • Managing Content in WordPress
  • How to Install WordPress on Your Computer
  • Getting Started with WordPress
  • Project Setup
  • Ruby Operators
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • Covering Your Bases
  • Be Assertive!
  • What Is Testing?
  • Gettin' CRUD-y With It
  • Our Diary App
  • Meet Peewee
  • Python Regular Expressions
  • Timezones
  • Math Quiz App
  • Dates and Times
  • Buggy Logs
  • Cleaner Code
  • Hack-n-Slash
  • Python Inheritance
  • Python Objects
  • Dungeon Game
  • Tuples
  • Dictionaries
  • Slices
  • Lists Redux
  • Letter Game App
  • Number Game App
  • Shopping List App
  • Logic in Python
  • Python Data Types
  • Python For Beginners
  • 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
  • Test Doubles
  • Acceptance Tests
  • Organizing your Tests
  • Creating Your Tests
  • Tools for Testers
  • How To Test Our Code
  • Contact Forms & Mailers
  • Slim and Templates
  • Dependency Management
  • Building a Collection
  • Building the Recipe
  • Understanding Classes
  • Why Object-Oriented Programming?
  • PHPDB Stage 5: Search
  • PHPDB Stage 4: Pagination with LIMITs
  • PHPDB Stage 3: Using Relational Data
  • PHPDB Stage 2: Querying the Database with PHP
  • PHPDB Stage 1: Databases and PHP
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • PHP Email Form Errors
  • PHP Email Forms
  • PHP Inventory
  • PHP Includes
  • PHP Internal Functions
  • PHP Returns & Closures
  • PHP Functions Basics
  • PHP Loops
  • PHP Arrays
  • PHP Conditionals
  • PHP on the Web
  • 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
  • Filtering the Data
  • Saving and Displaying Selfies
  • Adding Metadata to Photos
  • Adding Image Filters
  • Taking a Selfie
  • Paged Scrolling
  • Understanding Scroll Views
  • Transitions, Gestures and More
  • Show Me the Data
  • Introduction to CollectionViews
  • Deleting and Updating Data
  • Fetching Data Using Fetch Requests
  • Inserting and Saving Data Using a Context
  • Understanding the Core Data Stack
  • Objective-C in Action
  • Intermediate Topics in Objective-C
  • The Objective-C Mindset
  • Basic Types, Structures and Syntax
  • Moving from Swift to Objective-C
  • Implementing Maps and Search
  • Obtaining a Location Fix
  • Displaying Data in Table Views
  • Enhancing the Networking Stack
  • URLs and Parameter Encoding
  • Introduction to UITableView
  • Implementing a Forecast Client
  • Protocol Oriented Networking
  • Fetching Data From the Web
  • Modeling Forecast Data
  • Building Standard Library Functions
  • Visual Format Language
  • Auto Layout in Code
  • Trait Collections
  • Inequalities, Content and Priorities
  • The Constraint Equation
  • A History Lesson
  • Asynchronous Error Handling
  • Closures in Cocoa Touch
  • Closure Expressions
  • First Class Functions
  • Generics with Swift 2 - Beyond Basics
  • Generics with Swift 2
  • Adding Sound Effects
  • Refactoring the Model
  • Creating the User Interface Programmatically
  • Creating a Story
  • Navigating Through an Adventure
  • Delegation in iOS
  • Introduction to Delegates
  • View Controllers and Views
  • Memory Management in Swift 2
  • Extensions and Protocols
  • Value Semantics, Type Methods and Inheritance
  • Object Initialization in Swift 2
  • Properties in Swift 2
  • Displaying Additional Views
  • Using the Vending Machine
  • Loading Data From a Resource
  • Modeling An Interface
  • Error Handling in Swift 2.0
  • Creating Flexible Objects Using Protocols
  • Swift 2.0 Protocols
  • Objects and Optionals
  • Introduction to Optionals
  • Introduction to Enumerations
  • Running Apps on a Device
  • Improving Our User Interface
  • Structs as Data Models
  • Getting Started with iOS Development
  • Differentiating Between Objects
  • Class Inheritance
  • Classes
  • Complex Data Structures
  • Function Parameters
  • Functions in Swift 2.0
  • Control Flow with Conditional Statements
  • Swift Operators
  • Control Flow With Loops
  • Swift Dictionaries
  • Introduction to Collections
  • Swift Types
  • An Introduction to Swift Programming
  • Newbie