The key difference between a function and a method in Python is: A function is implemented outside of a class. It does not belong to an object. A method is implemented inside of a class. It belongs to an object. Calling a function on an object looks like this: And calling a method of an […]
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In Python, the finally statement is helpful with error handling to ensure code executes. For example, here the something_else() call does not run because it is not in an finally block: But by placing it inside a finally block, it gets executed no matter what: This is a comprehensive guide to the finally statement in
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The Python reduce() function works such that it: Applies a function to the first and the second element of an iterable. Stores the result. Applies the function to the third element and the result. Continues this process until no values left. In other words, the reduce() reduces an iterable into a single cumulative value. For
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To find the largest number in a list in Python: Here is how it looks in code: Output: This is the naive implementation of finding the largest number. But there are also some useful built-in mechanisms you can use. In this guide, you learn different ways to find the maximum value in a list in
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To find the average of a list in Python: Sum up the elements of a list. Divide the sum by the length of the list. For instance, let’s calculate an average of a list of numbers: Output: This is a comprehensive guide to calculating the average of a list in Python. In this guide, you
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To find a word in a file using Python: For example, let’s check where (if any) the word “test” is in a file called “example.txt”. In my case, the word is found in the second line. So the output is: (The enumerate(file, start=1) matches each line with an index. Line 1 has an index of
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To add a reusable Gutenberg block to the desired location in a WordPress post using JavaScript: For example, to add a paragraph in a blog post using JavaScript, run this piece of code: This example adds a new paragraph below any block you have selected in the post editor in WordPress. Detailed Description You may
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You can use jsbeautifier library to format your JavaScript code from the command line. Quick Guide To use this library, install it first by running the following command in the command-line window. This assumes you have pip installed. Then use it on a JavaScript file by calling (assuming the file is in the same folder
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To use Javascript promises in a for loop, use async/await. Here is a code skeleton for the correct approach: This waits for each promiseAction to complete before continuing to the next iteration in the loop. For comparison, here is the incorrect approach you were probably thinking of: In this guide, you learn how async/await works
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This quick guide teaches you how to loop through a table of URLs and put the URLs into an array of strings using JavaScript. Here’s a piece of code that loops through a table of URLs on an HTML table of a webpage’s sitemap. It turns the table of URLs into an array of strings
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