Javi Caballero

Javi Caballero

Saco, ME

I could be on treehouse all day.

7,422

Total Points

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

Skills & Experience

  • Spoken Languages

    • English
    • English

86 Achievements

  • Achievement

    Finding the Data You Want

    SQL Basics

    Achieved

    Jan 2, 2023

    Finding the Data You Want
  • Achievement

    Getting Data from a Database

    SQL Basics

    Achieved

    Dec 8, 2022

    Getting Data from a Database
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Dec 5, 2022

    Data, Databases and SQL
  • Achievement

    Python Regular Expressions

    Regular Expressions in Python

    Achieved

    Dec 1, 2022

    Python Regular Expressions
  • Achievement

    Merge Sort and Linked Lists

    Introduction to Data Structures

    Achieved

    Nov 28, 2022

    Merge Sort and Linked Lists
  • Achievement

    The Merge Sort Algorithm

    Introduction to Data Structures

    Achieved

    Nov 28, 2022

    The Merge Sort Algorithm
  • Achievement

    Building a Linked List

    Introduction to Data Structures

    Achieved

    Nov 22, 2022

    Building a Linked List
  • Achievement

    Exploring Arrays

    Introduction to Data Structures

    Achieved

    Nov 18, 2022

    Exploring Arrays
  • Achievement

    Searching Names

    Algorithms: Sorting and Searching

    Achieved

    Nov 16, 2022

    Searching Names
  • Achievement

    Sorting Algorithms

    Algorithms: Sorting and Searching

    Achieved

    Nov 14, 2022

    Sorting Algorithms
  • Achievement

    Recursion and Space Complexity

    Introduction to Algorithms

    Achieved

    Nov 3, 2022

    Recursion and Space Complexity
  • Achievement

    Algorithms in Code

    Introduction to Algorithms

    Achieved

    Nov 3, 2022

    Algorithms in Code
  • Achievement

    Time Complexity

    Introduction to Algorithms

    Achieved

    Nov 3, 2022

    Time Complexity
  • Achievement

    Playing a Counting Game

    Introduction to Algorithms

    Achieved

    Nov 2, 2022

    Playing a Counting Game
  • Achievement

    Timezones

    Dates and Times in Python (2014)

    Achieved

    Nov 1, 2022

    Timezones
  • Achievement

    Dates and Times

    Dates and Times in Python (2014)

    Achieved

    Nov 1, 2022

    Dates and Times
  • Achievement

    Math Quiz App

    Dates and Times in Python (2014)

    Achieved

    Oct 27, 2022

    Math Quiz App
  • Achievement

    Buggy Logs

    Write Better Python

    Achieved

    Oct 24, 2022

    Buggy Logs
  • Achievement

    Cleaner Code

    Write Better Python

    Achieved

    Oct 24, 2022

    Cleaner Code
  • Achievement

    Creating a Memory Game

    Basic Object-Oriented Python

    Achieved

    Oct 10, 2022

    Creating a Memory Game
  • Achievement

    Emulating Built-ins

    Basic Object-Oriented Python

    Achieved

    Oct 7, 2022

    Emulating Built-ins
  • Achievement

    Welcome to OOP

    Basic Object-Oriented Python

    Achieved

    Oct 4, 2022

    Welcome to OOP
  • Achievement

    Build an Application

    Introducing Lists

    Achieved

    Aug 29, 2022

    Build an Application
  • Achievement

    Using Lists

    Introducing Lists

    Achieved

    Aug 26, 2022

    Using Lists
  • Achievement

    Meet Lists

    Introducing Lists

    Achieved

    Aug 26, 2022

    Meet Lists
  • Achievement

    GET and POST Requests in a Browser

    HTTP Basics

    Achieved

    Aug 15, 2022

    GET and POST Requests in a Browser
  • Achievement

    Introduction to HTTP

    HTTP Basics

    Achieved

    Aug 15, 2022

    Introduction to HTTP
  • Achievement

    Dice Roller

    Object-Oriented Python

    Achieved

    Aug 14, 2022

    Dice Roller
  • Achievement

    Python: Advanced Objects

    Object-Oriented Python

    Achieved

    Aug 14, 2022

    Python: Advanced Objects
  • Achievement

    Python: Inheritance

    Object-Oriented Python

    Achieved

    Aug 11, 2022

    Python: Inheritance
  • Achievement

    Python: Instant Objects

    Object-Oriented Python

    Achieved

    Aug 11, 2022

    Python: Instant Objects
  • Achievement

    Improving the Application Code

    DOM Scripting By Example

    Achieved

    Aug 6, 2022

    Improving the Application Code
  • Achievement

    Editing and Filtering Names

    DOM Scripting By Example

    Achieved

    Aug 6, 2022

    Editing and Filtering Names
  • Achievement

    Adding and Removing Names

    DOM Scripting By Example

    Achieved

    Aug 4, 2022

    Adding and Removing Names
  • Achievement

    JavaScript Objects and Conditionals

    JavaScript Quickstart

    Achieved

    Aug 3, 2022

    JavaScript Objects and Conditionals
  • Achievement

    JavaScript Arrays and Loops

    JavaScript Quickstart

    Achieved

    Aug 1, 2022

    JavaScript Arrays and Loops
  • Achievement

    JavaScript Functions

    JavaScript Quickstart

    Achieved

    Jul 30, 2022

    JavaScript Functions
  • Achievement

    Data Types and Variables

    JavaScript Quickstart

    Achieved

    Jul 30, 2022

    Data Types and Variables
  • Achievement

    JavaScript Tools and Workflows

    The Landscape of JavaScript

    Achieved

    Jul 29, 2022

    JavaScript Tools and Workflows
  • Achievement

    JavaScript is Everywhere

    The Landscape of JavaScript

    Achieved

    Jul 28, 2022

    JavaScript is Everywhere
  • Achievement

    Iterating and Packing with Dictionaries

    Introducing Dictionaries

    Achieved

    Jul 28, 2022

    Iterating and Packing with Dictionaries
  • Achievement

    Introducing Dictionaries

    Introducing Dictionaries

    Achieved

    Jul 28, 2022

    Introducing Dictionaries
  • Achievement

    Sequence Operations

    Python Sequences

    Achieved

    Jul 28, 2022

    Sequence Operations
  • Achievement

    Sequence Iterations

    Python Sequences

    Achieved

    Jul 28, 2022

    Sequence Iterations
  • Achievement

    Packing and Unpacking

    Functions, Packing, and Unpacking

    Achieved

    Jul 27, 2022

    Packing and Unpacking
  • Achievement

    Getting Info In and Out of Functions

    Functions, Packing, and Unpacking

    Achieved

    Jul 27, 2022

    Getting Info In and Out of Functions
  • Achievement

    Introduction to Functions

    Functions, Packing, and Unpacking

    Achieved

    Jul 26, 2022

    Introduction to Functions
  • Achievement

    Getting to Know Tuples

    Introducing Tuples

    Achieved

    Jul 25, 2022

    Getting to Know Tuples
  • Achievement

    All Together Now

    Python Basics

    Achieved

    Jul 25, 2022

    All Together Now
  • Achievement

    Functions and Looping

    Python Basics

    Achieved

    Jul 22, 2022

    Functions and Looping
  • Achievement

    Types and Branching

    Python Basics

    Achieved

    Jul 8, 2022

    Types and Branching
  • Achievement

    Meet Python

    Python Basics

    Achieved

    Jul 7, 2022

    Meet Python
  • Achievement

    Responsive Patterns

    Responsive Layouts

    Achieved

    Jun 30, 2022

    Responsive Patterns
  • Achievement

    Media Queries

    Responsive Layouts

    Achieved

    Jun 30, 2022

    Media Queries
  • Achievement

    Responsive Theory

    Responsive Layouts

    Achieved

    Jun 1, 2022

    Responsive Theory
  • Achievement

    Mobile-First CSS Layout

    Mobile-First CSS Layout

    Achieved

    Jun 1, 2022

    Mobile-First CSS Layout
  • Achievement

    Pass Information Into Functions

    JavaScript Functions

    Achieved

    May 19, 2022

    Pass Information Into Functions
  • Achievement

    Arrow Functions

    JavaScript Functions

    Achieved

    May 17, 2022

    Arrow Functions
  • Achievement

    Create Reusable Code with Functions

    JavaScript Functions

    Achieved

    May 14, 2022

    Create Reusable Code with Functions
  • Achievement

    The Math Object

    JavaScript Numbers

    Achieved

    May 13, 2022

    The Math Object
  • Achievement

    Working with Numbers

    JavaScript Numbers

    Achieved

    May 13, 2022

    Working with Numbers
  • Achievement

    Making Decisions in Your Code with Conditional Statements

    JavaScript Basics

    Achieved

    May 12, 2022

    Making Decisions in Your Code with Conditional Statements
  • Achievement

    Working With Strings

    JavaScript Basics

    Achieved

    May 12, 2022

    Working With Strings
  • Achievement

    Storing and Tracking Information with Variables

    JavaScript Basics

    Achieved

    May 11, 2022

    Storing and Tracking Information with Variables
  • Achievement

    Hello, JavaScript!

    JavaScript Basics

    Achieved

    May 11, 2022

    Hello, JavaScript!
  • Achievement

    Finishing Touches

    Enhancing Design with CSS

    Achieved

    May 7, 2022

    Finishing Touches
  • Achievement

    Styling Images

    Enhancing Design with CSS

    Achieved

    May 7, 2022

    Styling Images
  • Achievement

    Styling Boxes

    Enhancing Design with CSS

    Achieved

    May 7, 2022

    Styling Boxes
  • Achievement

    Styling Text

    Enhancing Design with CSS

    Achieved

    May 7, 2022

    Styling Text
  • Achievement

    CSS Media Queries

    CSS Layout

    Achieved

    May 6, 2022

    CSS Media Queries
  • Achievement

    CSS Layout Techniques

    CSS Layout

    Achieved

    May 5, 2022

    CSS Layout Techniques
  • Achievement

    Box Model Concepts

    CSS Layout

    Achieved

    May 4, 2022

    Box Model Concepts
  • Achievement

    The CSS Box Model

    CSS Layout

    Achieved

    May 4, 2022

    The CSS Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics

    Achieved

    Apr 29, 2022

    Understanding Values and Units
  • Achievement

    Fundamental Concepts

    CSS Basics

    Achieved

    Apr 29, 2022

    Fundamental Concepts
  • Achievement

    Getting Started with CSS

    CSS Basics

    Achieved

    Apr 27, 2022

    Getting Started with CSS
  • Achievement

    Basic Selectors

    CSS Basics

    Achieved

    Apr 27, 2022

    Basic Selectors
  • Achievement

    Going Further with HTML

    HTML Basics

    Achieved

    Apr 26, 2022

    Going Further with HTML
  • Achievement

    Images, Text and Links

    HTML Basics

    Achieved

    Apr 21, 2022

    Images, Text and Links
  • Achievement

    Structuring Your Content

    HTML Basics

    Achieved

    Apr 20, 2022

    Structuring Your Content
  • Achievement

    Getting Started With HTML

    HTML Basics

    Achieved

    Apr 20, 2022

    Getting Started With HTML
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Apr 20, 2022

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Apr 19, 2022

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Apr 19, 2022

    HTML: The Structural Foundation of Web Pages and Applications
  • Achievement

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Apr 19, 2022

    Getting Familiar with HTML and CSS
  • Achievement

    Newbie

    Achieved

    Apr 19, 2022

    Newbie