2024-12-17
Now we have a lot of knowledge to put into practice. Even in the last blog post we talked about how to solve coding challenges. That post followed by the large amount of previous ones, you have the basis to solve current and next coding challenges...
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2024-12-10
Now we have a lot of knowledge to put into practice, so far we’ve seen these articles:about Ruby and Data Structures. Articles about Ruby - What's Ruby (Programming Language)?- Ruby Data Types: Strings, Numbers and Booleans- Variables and User I...
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2024-12-03
In the last blog post about Big O Notation we talked about three basic notations like O(1) - Constant Time, O(n) Linear Time and O(n**2) Quadratic Time, to describe the time and space complexity of a given algorithm. However, at the end of the a...
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2024-11-26
Now it’s time to touch this important topic in computer science. But to understand these concepts you’ve to know about Time and Space Complexity and the basics about memory. Once you have that knowledge we’re ready to start Big O NotationIs a mat...
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2024-11-19
So far we've been talking about the introduction to data structures and now we’ll be talking about memory. But we’ve to answer these questions first: why is memory so important at this point? Isn’t it related to hardware? When we’re programming ...
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2024-11-12
Introduction to Ruby Data Structures and Complexity Analysis Now we’re going to enter in a field of computer science that will help you understand even better the things we’ve been learning in the past blog posts: Data Structures and Complexity A...
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2024-11-05
So far we’ve been seeing the way Ruby works and the type of data we can work with inside Ruby. So, we can say now that we know Ruby in more detail than in the beginning. Now we need to see a tool that can help us organize all of our code and do it...
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2024-10-29
So far we’ve seen different data types in Ruby, like Strings, Numbers, Booleans and Arrays. Now it’s the time for the next data type: Hashes. Arrays A Ruby hash is a data type similar to Arrays, but instead of being zero indexed, we as programme...
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2024-10-22
Previously in a blog post called Ruby Data Types: Strings, Numbers and Booleans we saw the basics of strings. Now we’re going deeper on this Ruby data type. Strings Strings are the first data type we’ll know inside Ruby. A string is traditionally...
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2024-10-15
Previously I wrote a blog post about the basic data types in Ruby: Strings, Numbers and Booleans. Also in the post called Ruby Each Loop we introduced the concept of Ruby Arrays, however not in great detail. This blog post will explain in detail w...
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2024-10-08
In previous post called Ruby Times Loop and While Loop we’ve been talking extensively about Loops and we said that: Loops allows you to: * Go over a list of things & work with each individual element * Repeat something a set number of times *...
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2024-10-01
At the very beginning of our career as software developers we tend to think that we can copy and paste code when we want a kind of behavior where we need something to repeat. Let me explain. If we want to repeat the sentence “Hello World!” for 10 ...
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2024-09-24
This is one of the critical things you have to understand very well to become a good developer. This is an extensive topic so we’ll need to explain a lot of things, but the first and most important one is flow control Flow control Flow control...
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2024-09-17
So far we’ve been seeing the utility of the data types like Strings, Numbers and Booleans. However, we wrote all of those data types directly to our IRB and that means something. When you are creating programs you’ll want to store information in s...
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2024-09-10
Now that we know more about how to install Ruby in Linux or Windows, how to launch the IRB interpreter and what is Ruby programming language, we have the path clear to start programming! Let’s launch our IRB console in the Operating System you n...
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2024-09-03
So far we've been talking about the initial setup or configurations you've to have in your machine just to start creating your code in any programming language you want. For that reason we have talked about Versionig, Package Managers, different O...
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2024-08-27
In previous posts we talked about Versions and Releases - Versions & Releases in Open Source Projects - Part 1- Versions & Releases in Open Source Projects - Part 2 We’ve said in those posts that: “One of the first things you need to under...
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2024-08-20
The three main Operating Systems (Linux, Windows and MacOS) come by default with a software program called “Terminal”, “Console” or “Command Line (CLI)”. These are synonyms to talk about the same concept so when we talk about any of these terms we...
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2024-08-13
Previously we’ve learned about REPLs and what kind of task we can achieve with it. Let’s re-check some basic concepts about it: REPL is an interactive toplevel or language shell. REPL is a simple interactive computer programming environment that ...
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2024-08-06
Until now we have advanced in some initial concepts about learning Ruby and some other stuff like Versioning, Installing Ruby, RVM and IRB, now we’ve to know about an important concept in the programming world: Packages Package or Library In com...
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