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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…
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…
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…
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…
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…
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…
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…
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…
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. …
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