In Python, you mainly deal with variables that are either: But when you have a function inside another function, the outer function’s variables are neither local nor global in the eyes of the inner function. These variables are called nonlocal variables in Python. If you need to work with a nonlocal variable in Python, you […]
Python ‘nonlocal’ Keyword: A Complete Guide (Examples) Read More »
Measuring the execution time is common in programming to get a better idea of how a program or a part of the code is performing. This is a comprehensive guide to measuring the elapsed time in R. In this guide, there are some built-in mechanisms and examples of popular libraries’ ways of computing the execution
How to Measure Execution Time in R (5 Methods + Examples) Read More »
Choosing the right type of UI design tool is crucial for building great user interfaces for software. The outlook of the UI can make or break your software. UI design is a process that is overlooked by many. The truth is you need a professional UI to create successful apps or software. The UI design
12 Best UI Design Software of Dec 2022 (Ranked & Reviewed) Read More »
Dealing with number sequences in data science is common. Having the tools to easily produce sequences of numbers of different lengths, stepsizes, and start/end values is crucial. This way you can avoid having to write loops to produce number sequences over and over again. In R, you can use the built-in seq() function to create
The seq() Function in R: A Complete Guide (with Examples) Read More »
This guide teaches you how to split strings in JavaScript. How to Split a String in JavaScript? In JavaScript, the string type has a built-in method called split(). You can use this method to split a string by a specific separator, such as a blank space or a dash. This method places the split string
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Date formatting is a common operation in JavaScript to make the dates look different depending on the context. Traditionally, you might think you need to use a library such as Date-fns, to format dates. But for smaller projects, using a library to format dates can be overkill because JavaScript also has some built-in data formatting
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Choosing the best green screen software is essential to make your green screen videos the final touch they deserve. This is a comprehensive guide to choosing the best green screen software. Some of the tools in this list are free basic-level video editing software. Others are full-on video editing tools that have a lot of
9 Best Green Screen Software in 2023 (Chroma Key Technology) Read More »
You may have encountered javascript:void(0) in an HTML document as a href attribute like this: A common reason why developers use javascript:void(0) trick is to prevent the page from reloading when clicking a link. This comprehensive guide teaches you: Speaking of examples, I think the best way to learn what javascript:void(0) does is by taking
What Is “javascript:void(0)”—A Complete Guide (Examples) Read More »
In videography, a green screen or chroma key is a technique used to change the background of a video to something more intriguing. This guide teaches you what is a green screen and how it works. Green Screens in Videography In videography, having the right type of background can enhance the viewer’s experience. For example,
What Is a Green Screen (Chroma Key) & How Does It Work? Read More »
Choosing the right type of writing tool is essential for you to make your writing stand out. This guide reviews the best Grammarly alternatives. Grammarly is one of the most popular productivity tools among bloggers and content creators. With Grammarly, you can focus more on writing content and worry less about punctuation or other grammatical
Best Grammarly Alternatives of 2023 (Complete Guide) Read More »
