Python dictionaries are a data type that allows for the storage and retrieval of key-value pairs. They are useful because they provide an efficient way to access and modify data, allowing for quick and easy data manipulation. Additionally, dictionaries can be nested and combined with other data types, making them versatile and powerful tools for […]
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In Git, branches help you isolate changes from the main branch to a feature branch. Once the work is done, you usually want to combine your feature branch with the main branch. Before doing this, you need to know what’s the difference between the main branch and your development branch. Here’s a short overview of
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In JavaScript the difference between throw Error and throw new Error is that: When it comes to behavior, there’s really no difference between throw Error and throw new Error. For example: But the more technically correct way to throw a new Error object is by using the throw new Error instead of throw Error. Also,
JavaScript ‘throw new Error’ vs ‘throw Error’ vs ‘throw something’ Read More »
To do a partial commit in Git, add the –patch option to the git add command. Or for short, you can do: Running git add this way iteratively asks you what parts of the changes you want to add. To add the part, type “y”, to not add the part, type “n”. This is a
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In Python, the difference between the @staticmethod and @classmethod is that: This is a complete guide to understanding the differences between @staticmethod and @classmethod in Python. You will learn when to use and when not to use these methods. All the theory is backed up with illustrative examples. What Is a @staticmethod in Python? In
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In JavaScript, the bind() method allows you to copy a method from an object. More importantly, you can use the copied method as an independent function but still be able to access the object’s values. Here’s an example that shows how you can use the bind() method: In this example, the greet function is a
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Validating an email using JavaScript is not possible. The only 100% reliable way to validate an email address is by sending an email to the address to see if works. That being said, you can use JavaScript and regular expression patterns (regex) to ‘validate’ most of the emails. Just keep in mind you will never
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To remove a directory from your Git repository, you need to: To remove the directory both from Git and from your local files, run: To only remove the file from Git but to keep it in your file system, run: For example, to remove a folder called Images from Git, you’ll run the following commands:
How to Remove a Directory in Git (TLDR; ‘git rm -r folder-name’) Read More »
In JavaScript, the difference between for…of loop and a for…in loop is that: This guide teaches you what are the for…of and for…in loops in JavaScript. Besides, you will learn what’s the main difference via practical examples. Even though the above answer gives you a good hint about the distinction, there are useful and illustrative
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To undo the git reset command, you can use git reflog to revert back to the state before the reset. For example, if your previous Git command was something like git reset –hard HEAD~1, you can undo the command by running: The above command might not be the right one if you already did some
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