Juan Felipe Calle

Juan Felipe Calle

Courses Plus Student

Bogota,D.C., Colombia

21,013

Total Points

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

Skills & Experience

  • Company

    n2n Business Solutions

  • Spoken Languages

    • Spanish
    • English

216 Achievements

  • Adding the UI
  • Learning Anko
  • Is This Thing On?
  • Putting It All Together
  • Getting Started with Android
  • Modelling Solitaire
  • But Wait There's More!
  • Bound Services
  • Introducing Services
  • Threads in Android
  • UI Testing with Espresso
  • Unit Testing - Now Featuring Robolectric!
  • Unit Testing
  • Finishing the Game
  • Introducing JavaScript
  • Introduction to Typography
  • Users and Authorization
  • Django Authentication
  • Building Custom Filters
  • Security: Solutions
  • Security and Customization
  • Make the REST Framework Work for You
  • Security: Concerns
  • Test Time!
  • Hello Kotlin!
  • RESTful Django
  • Customizing Class-based Views
  • Classy Views
  • Detail View
  • List View
  • The Django Admin
  • Total Control
  • Basic ORM Usage
  • Same Old ORM
  • Inlines and Media
  • Django Model Forms
  • Django Models
  • Django Forms
  • Building Custom Tags
  • Template Tags and Filters
  • How to Win Friends
  • Broadcasting
  • Takin' Names
  • Making Strong Users
  • Character Builder
  • Flask Templates
  • Welcome to Flask
  • Final Details
  • Django Templates
  • Model Administration
  • What a View
  • Say Hello to Django
  • 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
  • Dice Roller
  • Python: Advanced Objects
  • Python: Inheritance
  • Python: Instant Objects
  • Dungeon Game 2
  • Python Sets
  • Python Tuples
  • Python Dictionaries
  • Python Slices
  • Python Lists
  • Letter Game App
  • Number Game App
  • Shopping List App
  • Logic in Python
  • Python Data Types
  • Python For Beginners
  • 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
  • Building Forms with Bootstrap
  • Using Bootstrap Components
  • Exploration
  • Discovery
  • Website Basics
  • Responsive Layouts with the Bootstrap Grid
  • Getting to Know Bootstrap 4
  • Going Further with HTML
  • Images, Text and Links
  • Creating a Simple Drawing Application
  • Creating a Password Confirmation Form
  • Structuring Your Content
  • Getting Started With HTML
  • Creating a Mobile Drop Down Menu
  • Creating a Simple Lightbox
  • Creating a Spoiler Revealer
  • Introduction to jQuery
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • 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
  • Solving an Important Problem
  • JavaScript Functions
  • JavaScript Conditional Statements
  • Scrum Artifacts
  • Scrum Events
  • Introducing Scrum
  • WWW
  • The Internet
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Review Functional Programming Fundamentals
  • Reduction and Aggregation
  • Meet Streams
  • Java's Functional Toolset
  • File Uploads and Entity Updates in Spring + Hibernate
  • User Messages in Spring
  • Getting Started with CRUD in Spring + Hibernate
  • Data-Driven Application Design
  • Integrating Hibernate with Spring
  • Persisting Data with Hibernate
  • Getting Started with Hibernate
  • Data Persistence & ORMs
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • Getting the REST You Need
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Using the MVC Architecture with Spring
  • Modeling, Storing, and Presenting Data with Spring
  • Creating Spring Controllers and Thymeleaf Views
  • Spring Components and Configuring Our App
  • Setting Up Your Local Environment for Spring Development
  • Writing Your Own Java Annotation
  • Using Java's Built-In Annotations
  • Bells and Whistles
  • Diving into Web Development
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • 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
  • What to Test
  • How To Test
  • Why Test
  • Selectors - Beyond the Basics
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Responsive Web Design and Testing
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Beginning HTML and CSS
  • Slices
  • Lists Redux
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • What is Agile?
  • Simple Mobile Interface
  • Exporting Designs
  • Sketch Features
  • Introducing Sketch
  • Adding Play Services to Your App
  • Testing and Debugging
  • Improving Our Code
  • Coding the Fun Facts
  • Basic Android Programming
  • Creating the Initial Screen Layout
  • Getting Started with Android
  • Newbie