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E-Learning

94 posts

Learn Ruby - How To Convert a String to Lower or Uppercase?

August 26, 2016

In Ruby, a String contains and manipulates an arbitrary sequence of bytes, typically representing characters. When you want to change the contents of a String in Ruby, it should be noted that methods with…

E-Learning

Learn Ruby - How To Check if A Value Exists in An Array?

August 26, 2016

In Ruby, as in other programming languages, an array is a list of items with an order within your code. Each item has its position in this list and acts as a variable: you…

E-Learning

Learn Python - What is the best IDE for it?

August 24, 2016

What is the best IDE to program in Python? Whenever this question arises in discussion forums around the world, there is almost a civil war among the users. But among the dead, the wounded…

E-Learning

Learn Ruby - How to Write a Switch Statement?

August 24, 2016

In programming languages, a “switch statement” is a type of control mechanism used to check if the value of a variable or expression exists and what the program should do from that point. In…

E-Learning

Learn Python - How To Convert Integer to String?

August 19, 2016

Earlier, we saw how to parse a String to an Int or float in Python. Now, we want the opposite. How to do it? In Python, there are two ways to transform any value into…

E-Learning

Learn JavaScript - How To Make Page Redirect Using jQuery

August 19, 2016

In programming languages, functions are often gathered together in packages and methods ready for use. They are called frameworks and aim to help developers save time to get the expected result. In JavaScript, jQuery is one of these…

E-Learning

Learn Python - How To Check Whether a File Exists?

August 19, 2016

How to tell if a file exists using Python? To answer this question, we need to know how this programming language “sees” the files. Accessing a file in Python To grant access to your…

E-Learning

Learn Python - How To Call an External Command?

August 19, 2016

Many times is necessary that Python interacts with the computer’s operating system where it is running. For example, to have information about the hard drive partitions. For this to happen, you must create an…

E-Learning

Learn Python - How To Use a Global Variable Defined in Another Function

August 18, 2016

Within Python, as a programming language, there are different types of variables. At this article, we’ll see a brief explanation about them and show you how to use a global variable inside a function. …

E-Learning

Learn Ruby - How To Convert a String to Lower or Uppercase?

Learn Ruby - How To Check if A Value Exists in An Array?

Learn Python - What is the best IDE for it?

Learn Ruby - How to Write a Switch Statement?

Learn Python - How To Convert Integer to String?

Learn JavaScript - How To Make Page Redirect Using jQuery

Learn Python - How To Check Whether a File Exists?

Learn Python - How To Call an External Command?

Learn Python - How To Use a Global Variable Defined in Another Function

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