Python Print Without Newline: Step-by-Step Guide
To print without a new line in Python 3 add an extra argument to your print function telling the program that you don't want your next string to be on a new line. Here's an example: print("Hello there!", end =…
Python Compare Strings: A Step-By-Step Guide
Strings in Python are compared with == and != operators. These compare if two Python strings are equivalent or not equivalent, respectively. They return True or False. Often, when you’re working with strings in Python, you may want to compare…
Java Initialize Array: A Step-By-Step Guide
To initialize an array in Java, assign data in an array format to the new or empty array. Initializing an array in Java involves assigning values to a new array. Java arrays can be initialized during or after declaration. In…
Git Add Remote: A Beginner’s Guide
How to Add a Remote to a Git Repository Have you just started a new Git repository on your local machine? You’ll need to add a remote if you intend on linking it to a remote repository. The git remote…
Java Compare Strings: A Step-By-Step Guide
There are three ways to compare strings in Java. The Java equals() method compares two string objects, the equality operator == compares two strings, and the compareTo() method returns the number difference between two strings. String comparison is a crucial…
Python String to Int() and Int to String Tutorial: Type Conversion in Python
How to Convert Python String to Int:To convert a string to integer in Python, use the int() function. This function takes two parameters: the initial string and the optional base to represent the data. Use the syntax print(int("STR")) to return…
How to Write a Python Generator
Iterators play an important role in Python. They allow you to create an object that can be iterated upon. It’s a good way to store data that can be accessed through a for in loop. The trouble with iterators is…
What is a Network Interface Card?
Have you ever wondered what connects your computer to a network? Behind the scenes, there is a component called a Network Interface Card that is hard at work. This hardware component is used to allow your computer to connect to…
How to Solve fatal: refusing to merge unrelated histories
After using Git for a while, you’ll notice that there’s a lot of mistakes that can be difficult to fix. This isn’t the case with the fatal: refusing to merge unrelated histories error. Unlike a number of other errors, this…
Bash Aliases for Beginners
After using the command line for a while, you will start to notice that there are a lot of commands that you repeat often. Some of these commands, like “cd” and “ls” are just part-and-parcel of working with the Linux…
How to Resolve Git Merge Conflicts
In most cases, Git can resolve differences between branches and merge them. This is because developers are usually making changes to different lines or files. There are some cases where Git cannot merge a repository. These situations are called merge…
Git Undo Add: A Guide
There’s plenty of reasons why you would want to remove an item from a Git commit. If you’ve not finished working on a file, it may not be ready to commit; you may still be testing it, or you may…
What is a Web Application?
Are you curious about what a web application is? It’s not a bad question because web applications, contrary to what most people think, are not just websites. You’ve probably used a web application at some point without even knowing about…
How to Use the Linux Cat Command
The cat command in Linux is not as cute as a real cat, but it plays a key role in Linux. The cat command allows you to view the contents of a text file from a Linux command line. In…
How to Use JavaScript Promises
Asynchronous code used to be a pain to write in JavaScript. To write asynchronous operations in your code, you would have to deal with multiple levels of callback functions. The more functions that you introduced into your code, the harder…
How to Use JavaScript Callback Functions
You’ve probably seen a few code snippets use the word “callback” inside a function. Callbacks are a special type of function that are passed inside another function. Callbacks are often used inside event handlers to run a block of code.…
How to Use the Linux Grep Command
Have you ever thought that the search features offered by text editors are rather simple? It’s not just you. It can be quite difficult to search through files, especially if you want to search for text that matches a pattern.…
JavaScript Switch Case: A Step-By-Step Guide
The JavaScript switch case is a multiple if else statement. It takes a conditional expression just like an if statement but can have many conditions—or cases—that can match the result of the expression to run different blocks of code. Conditional…
Hired.com Review: A Job Search Marketplace for Technology Workers
To find a good job in technology, you don’t just need skills. You need to be able to market yourself to companies. You need to show that you can exercise the skills that you claim to have. Unfortunately, traditional hiring…
NumPy Array: A Guide for Beginners
A list is a type of data that contains an ordered sequence of elements. Lists are a useful data type because they allow you to store multiple related values in one variable. With a list, you could store the names…
Lambda Expressions in Java: A Guide
How to Use Lambda Expressions in Java Have you ever thought that some methods could fit on one line, if only it weren’t for the verbose Java syntax that you’ve got to use to declare a method? You’re not the…
What is a Hypervisor?
Before virtualization and hypervisors, most computers could only run one operating system at a time. This means that you would have to pick between Linux, Windows, Mac, or a server-side operating system that you wanted to run on a computer.…
Java Random Number: A Beginner’s Guide
How to Generate a Java Random Number 5. 7. 22. For us humans, it’s easy to generate a random number. All we have to do is ask ourselves for a number, and one pops into our mind. If only it…
Python Iterator: A Guide
How to Create a Python Iterator: A Guide Iterators are absolutely everywhere in Python; it’s hard to learn even the basics without hearing the word “iterator” or “iterable”. An iterator is an object that can be iterated upon. While there…
Python Send Email: A Guide
How to Send an Email Using Python Python is a language of many features. It can be used for data analysis, web development, and more. That’s not all, Python has a hidden feature: you can use it to send emails.…
Bash if…else: A Guide for Beginners
Conditional statements are an important part of every coding language. They allow you to write code that runs only when certain conditions are met. This means that you can have a program which returns different responses depending on whether certain…
JavaScript Set: A Guide for Beginners
How to Use Sets in JavaScript Do you have a list of data that should only contain unique values? This is where the JavaScript Set data type really shines. It's a new type of object that allows you to create…
JavaScript Fetch: A Guide
Did you know that you can make web requests in vanilla JavaScript? That’s right, you don’t need to install any libraries to make a web request. That’s not all: we’re not talking about the old, complex XMLHttpRequest tool. The fetch…
Java Bubble Sort: A Guide
How to Write a Java Bubble Sort When programmers talk about bubble sorts, they are not talking about the water bubbles that you’ve probably blown at some point in your life. They are talking about a sorting algorithm that is…
Java Boolean: A Beginner’s Guide
How to Use Booleans in Java True or false. We’re not talking about a question on a standardized test. True and false are the values that can be stored inside the Boolean data type. In programming, Booleans are used to…
