In JavaScript, one of the fundamental data types is the array. Array is a collection of elements, such as numbers, strings, or other types of objects. It’s a data store that lets you store and access data easily in your JavaScript programs. Because every program deals with data, you need arrays all the time. One […]
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What Is Camel Case? Camel case is a naming convention for naming objects with compound words in programming. Here are some examples of the camel case: Camel case works such that: What Problem Does Camel Case Solve? To write software at scale, one has to write readable and understandable code. One way to make code
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When dealing with strings in JavaScript, it’s common for you to need to replace specific characters or substrings with other values. This guide shows you three ways to replace all string occurrences in JavaScript. Also, you learn why some approaches can be better than others. Here’s a quick look at the three approaches you are
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What Is Snake Case? Snake case is a popular naming convention for combining multiple words in coding. In snake case, the compound words are separated by underscores. This type of naming convention is used to make code more readable. In programming, you cannot use spaces to separate words. This would cause an error. Thus, alternative
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What Is Pascal Case? Pascal Case is a coding convention for naming objects such that the first letters of each compound word are capitalized. Such a convention is used because programming languages don’t allow you to separate words with spaces. Here are some examples of the pascal case: What Problem Does Pascal Case Solve? In
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To undo the most recent commit in Git, you can run the git reset HEAD~ command. As a concrete example: The git reset HEAD~ command undoes the most recent commit but doesn’t change the state of your files. After this, make the necessary changes and use git add to re-commit. Then commit the changes. You
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Version control means tracking and managing changes to software code. With version control, software development teams are able to work faster and more efficiently. A version control tool allows for improved collaboration. The software development team can work simultaneously on different parts of the codebase without collisions. This guide teaches you what version control is
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In Git, there are two easy commands you can use to delete a branch both locally and remotely. To delete a Git branch locally, run the following command: The delete a Git branch remotely, run the following command: Remember that Git doesn’t let you delete a branch you’re currently working on. Thus, you need to
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This is a comprehensive guide to concatenating strings in Python. This guide demonstrates 7 ways in which you can combine strings. Besides, you’ll learn what approaches are great and what is not so great. Here’s a short overview of the different approaches: The + operator The += operator The String.join() method The old % formatter
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In R, the outer() function runs a function on two vectors, creating a result matrix. The generic syntax for using the outer() function is as follows: Where x and y are vectors (or scalars) and the FUN is a function that is called on each combination of the elements in the two input vectors. This
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