Doumenjou Jean-Baptiste

jbd

  • 26 Courses Completed
  • 135 Levels Completed
  • 7 Screencasts Watched
  • 363,650 Total Points

Achievement Badges

Ruby: 4 Courses Completed

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Rails for Zombies

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Rails Best Practices

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  • Controllers in Space

    Fat model/skinny controller, named scopes, scopes with lambda, default scopes, model creation scopes, skipping a filter

  • Controller Command

    Nested attributes, models without the database, using Presenters, rejecting SQL injection, Rails 3 responder syntax

  • Model Pitfalls

    Basic & compound indices, protecting your attributes, using default database values, using callbacks properly, improving validation, database seeding

  • Model Bert

    Optimizing n+1 queries, using counter_cache, batches of find_each, applying The Law of Demeter, using to_s and to_param in the model

  • Froggy Views

    Refactoring views, using helpers, rendering content with partials, handling empty strings, using content_for, meta yield

  • Test Unit

    Testing philosophies, overview of Test Unit, TDD (Test Driven Development), and using assertions

  • Model Testing

    Preparing the database, running tests, using fixtures, and testing relationships

  • Cleaning it up

    Writing custom assertions, using Test Helper, and introducing Shoulda

  • Mocks and Stubs

    Understanding and using mocks and stubs with Mocha

  • Integration Tests

    Rails integration commands, integration testing with Capybara, and writing and using helper methods

  • Using Factories

    Creating factories, adding associations between factories, and implementing factories in your tests

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Rails for Zombies 2

Getting Started With Ruby on Rails

Learn more Rails with this sequel to the infamous Rails for Zombies course. Increase your Ruby on Rails knowledge with even more zombie learning.

  • From the Ground Up

    Installing Rails, creating a Rails app, database migrations, the command line, Ruby 1.9 hash syntax, Bundler, database configuration

  • Models Still Taste Like Chicken

    Named scopes, callbacks, has_one, relationship options, using Includes, has_many :through

  • Rest In Pieces

    Revisiting URL helpers, forms & input helpers, understanding REST, nested resources, view partials, other view helpers

  • Asset Packaging and Mailing

    Sending attachments in mail, asset tags, using the Asset Pipeline, CoffeeScript, creating and sending mail, SCSS, using the JavaScript manifest

  • Rendering Extremities

    Custom RESTful routes, creating AJAX links, rendering custom JSON, AJAXified forms, controller rendering options, sending server JavaScript, using JSON data

Ruby: 1 Screencast Watched

JavaScript: 11 Courses Completed

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Real-time Web with Node.js

Server-side Frameworks

Discover how the Node framework can help you write server-side code and build lightweight, scalable network applications.

  • Intro to Node.js

    An overview of Node.js, blocking vs. non-blocking code, reading files, issuing requests

  • Events

    Event emitters, event requests, event listening

  • Streams

    Reading, writing, piping, solving backpressure

  • Modules

    Exporting, npm installing, dependencies, and semantic versioning

  • Express

    Routes, rendering, layouts, url building, express servers

  • Socket.io

    Listening for, broadcasting, and answering questions, saving client data

  • Persisting Data

    Redis, working with lists, persisting, emitting, and limiting questions

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Anatomy of Backbone.js

Client-side Frameworks

Learn Backbone.js and start building sophisticated and structured web apps. Try out Backbone’s JavaScript library with a RESTful JSON interface.

  • Introduction

    Learn the very basic of Models and Views.

  • Models

    More on Models, such as syncing to/from the server.

  • Views

    View events, templates, and customization.

  • Models & Views

    More on how Models and Views work together with event binding.

  • Collections

    Working with a set of models with Backbone Collections.

  • Collection Views

    Displaying a Collection with a Collection View.

  • Router & History

    Supporting pushState history and multiple URLs.

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Anatomy of Backbone.js Part 2

Client-side Frameworks

Learn more advanced Backbone.js for building sophisticated and structured web apps. Take your front-end to the next level with the Anatomy of Backbone Part 2.

  • More Models

    Getting your models to work with non-standard servers.

  • Customizing Collections

    Handling pagination in collections, sorting collections, and building aggregate functions.

  • Real Routes

    Handling optional parameters, limiting parameters to integers using regex, handling catch-all routes.

  • Varying Views

    Using an existing element, handling extra initialization options, escaping HTML, changing handling event bindings between Models and Views.

  • Working with Forms

    Build an ajax Form View to create and edit model objects.

  • App Organization

    Namespacing your App objects, building an App View to handle link clicks inside of Backbone, boostrapping data.

  • Customizing Backbone

    Using Mustache.js templates instead of underscore.js, replacing your persistence strategy, utilizing localStorage.

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CoffeeScript

CoffeeScript

Learn CoffeeScript, the powerful little language that compiles into JavaScript. Take a sip of our CoffeeScript tutorial & learn to get more done with less code.

  • Variables and Functions

    An overview of variables and functions

  • Applied jQuery

    Converting jQuery to CoffeeScript

  • Conditionals & Operators

    Conditionals, chained comparisons, switch cases, and existential operators

  • Arrays, Objects, Iterations

    Using arrays, object literals, loops, list comprehension, and splat arguments

  • Applied jQuery II

    Understanding and using jQuery object notation

  • Object Orientation

    Classes, class inheritance, property arguments

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Try jQuery

jQuery

Learn the basics of jQuery 2.0, a JavaScript library, to modify elements on the page and improve user interaction.

  • Introduction to jQuery

    A gentle introduction to what jQuery is, and what it can do.

  • Traversing the DOM

    Search & walk through the DOM with selectors and traversing.

  • Working with the DOM

    Add & remove from the DOM, more traversing, and user events.

  • Listening to DOM Events

    Listen for events, handle them, and change the default event behavior of web browsers.

  • Styling

    Before landing, tame CSS with jQuery and animate elements on the page.

  • Events

    HTML & Text value, HTML5 data attributes, click events, binding & unbinding events, using multiple click handlers, live vs. delegate

  • Ajax

    $.ajax, error handling & callbacks, aborting AJAX & timeouts, receiving and parsing JSON, using JSONP, sending form data

  • Effects

    Chaining effects & adjusting speed, animating with CSS, effect easing, using a queue, adding a delay, stopping an effect

  • Organization

    Each & Map utility functions, creating your own utility functions, creating plugins, encapsulating your code, custom events, jQuery templates

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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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jQuery: The Return Flight

jQuery

Learn Ajax and add more interactivity to your projects. Discover how to organize your code using jQuery Plugins and Promises.

  • Ajax Basics

    Learn what Ajax is and how it can be used.

  • JavaScript and jQuery

    Organize your jQuery and JavaScript.

  • Ajax With Forms

    Learn about how to send data to the server and work with JSON.

  • Utility Methods

    Learn about some handy utility methods including $.each and $.map while working with complicated JSON data.

  • jQuery Plugins

    Create your own reusable jQuery plugin.

  • Promises

    Use promises to make your Ajax calls reusable and organized.

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JavaScript Road Trip Part 3

JavaScript Language

Continue building intermediate skills within the JavaScript web programming language. Master function expressions, closures, hoisting, objects, and the use of prototypes.

  • Forest of Function Expressions

    Learn how to use and manipulate functions as expressions.

  • Cold Closures Cove

    Explore the binding of external variables into local scopes.

  • Hoisting Hills

    Build an awareness of the pitfalls of load order within a scope.

  • Ocean of Objects

    Create, fill, and manipulate the generic JavaScript object literal.

  • Plains of Prototypes

    Using the magic of object inheritance, explore classes, constructors, prototypes, and properties.

  • Warming Up

    Learn how to create an Ember application, set up your first Handlebars template, and meet the Ember Router.

  • Rendering the Flame

    Expand on Handlebars with Helpers and learn how Ember Controllers can provide data for your templates.

  • A Route Through the Woods

    Start using resource routes, dynamic segments in your URLs and finish off with nested routes.

  • Acorn Models and Pinecone Data

    We'll show how to use Ember Data to create related models using the Fixture Adapter and the REST Adapter.

  • Controlling Our Growth

    Dig deeper into ArrayControllers, computed properties and the advantages of nesting your controllers.

  • The Template Forest

    Use Ember Components, partials and the Embers Render method to keep your Templates organized.

  • Acting on Instinct

    Put the pieces together then learn how to react to user events.

JavaScript: 4 Screencasts Watched

HTML/CSS: 7 Courses Completed

  • HTML5

    Learn about the new tags in HTML5

  • CSS3

    Review the new properties in CSS3

  • Header & Navigation

    Build a functional header and navigation area

  • Content

    Develop the content sections of a site

  • Footer & Forms

    Learn about new form elements and build a functional footer

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CSS Cross-Country

Intermediate CSS

Explore the fundamentals of CSS, and review all the web-styling tools needed for front-end efficiency.

  • Frost-Proof Fundamentals

    Adding style, selectors, the cascade, and floats

  • Clear Carving

    Clearing floats, inheritance, and specificity

  • Box Bindings

    The box model, positioning, and z-index

  • Grooming Your Code

    DRY, display types, and centering

  • CSS Safety

    Protecting your layout and specificity problems

  • Image Issues

    Image use and image cropping

  • Sprightly Slaloms

    Image replacement and sprites

  • Pseudo Sitzmark

    Pseudo classes and pseudo elements

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Journey Into Mobile

Intermediate CSS

Learn mobile web design with mobile-first, adaptive, and responsive web design concepts. Review the best practices with our Journey into Mobile course.

  • Foundations for Mobile

    The mobile web and relative font-sizing

  • Fluid Layouts

    Learn the foundations for creating scalable, fluid sites

  • Adaptive Adventures

    Create sites that adapt to a specific context

  • Responsive Adventures

    Create device-agnostic sites optimized for all viewports

  • Responsive Media

    Learn how to scale images, video, and work with retina graphics

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Fundamentals of Design

Design

Improve the visual competency of any website or application by keeping design in mind. Learn the fundamental design principles of typography, color, and layout.

  • Typography

    Learn to recognize beautiful and functional type.

  • Colors

    Review color theory and application principles.

  • Layout

    Familiarize yourself with visual hierarchy and balance.

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Assembling Sass

CSS Preprocessors

Learn Sass and start improving your front-end CSS workflow. Try Sass on large-scale applications for efficient, time-saving styling.

  • Foundation

    An introduction to Sass, imports, comments, and nesting.

  • Variable

    Creation and use of recallable information.

  • Mixin

    Writing reusable styles mixed with optional arguments.

  • Extend

    Easily manage CSS class reuse and inheritance in the stylesheet, rather than HTML.

  • Directive

    A primer on the programmatic tools in Sass, including functions and each loops.

  • Math + Color

    Perform arithmetic and color alterations directly to stylesheet values.

  • Responsive

    Simplify and optimize your responsive design workflow via Sass.

  • More Sass

    A deeper dive into core Sass functionality

  • Compass

    Introducing the Compass add-on and enabling its use

  • Utility

    Traversing helpers and utilities included with Compass

  • Rhythm

    Establishing and maintaining baseline grids with the vertical rhythm module

  • Sprite

    Relegating sprite generation and maintenance to the sprite module

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Front-end Formations

Getting Started With HTML and CSS

Discover the latest versions of HTML and CSS, including HTML5 tags, form elements, attributes, input types, CSS styling, and more.

  • Overview & Updates

    Get an overview of HTML5 and CSS3, and learn which HTML elements have been updated in HTML5.

  • HTML5 Elements

    Learn all of the new HTML5 elements, including the section, article, header, footer, and time elements, and also several others that will help make your markup more semantic.

  • HTML5 Forms

    Learn all of the new HTML5 form input types, elements, and attributes.

  • CSS3 Styles

    Learn modern CSS styling techniques, including border radius, box shadow, text shadow, box sizing, multiple backgrounds, and gradients.

  • Fonts & Interactions

    Learn how to use web fonts with @font-face, create smooth transitions and manipulated elements in CSS with the transition and transform properties, and write CSS according to the principles of progressive enhancement.

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

Electives: 2 Courses Completed

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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.

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Try R

Electives

Learn the R programming language for data analysis and visualization. This software programming language is great for statistical computing and graphics.

  • Using R

    A gentle introduction to R expressions, variables, and functions.

  • Vectors

    Grouping values into vectors, then doing arithmetic and graphs with them.

  • Matrices

    Creating and graphing two-dimensional data sets.

  • Summary Statistics

    Calculating and plotting some basic statistics: mean, median, and standard deviation.

  • Factors

    Creating and plotting categorized data.

  • Data Frames

    Organizing values into data frames, loading frames from files and merging them.

  • Real-World Data

    Testing for correlation between data sets, linear models, and extending R with additional libraries.

Electives: 2 Screencasts Watched