This article compiles for you the 15 best cheat sheets in the web that help you get started with machine learning. If you’re short on time, here are the 15 direct PDF links (open in a new tab): Each cheat sheet link points directly to the PDF file. So don’t lose any more time, and … Read more
This article is contributed by our friendly AI from InferKit that uses a deep neural network to generate text automatically. I (human) guided the AI by proposing different subheadings that may be of interest to the reader. Surprisingly, there are many unique perspectives in the article—and some totally wrong “facts”. So, enjoy this fascinating demonstration … Read more
Problem Formulation Say, you use the re.split(pattern, string) function to split a string on all occurrences of a given pattern. If the pattern appears at the beginning or the end of the string, the resulting split list will contain empty strings. How to get rid of the empty strings automatically? Here’s an example: Note the … Read more
Problem Formulation You create images in the Tag Image File Format (TIFF). You want to add custom metadata to the image such as the location or other context information important for post-processing. How can you accomplish this? Solution Install and import the library tiffile. Use the tiffile.imsave() function to store the file at a given … Read more
While refactoring my Python code, I thought of the following question. Can You Use a Regular Expression with the Python endswith() Method? The simple answer is no because if you can use a regex, you won’t even need endswith()! Instead, use the re.match(regex, string) function from the re module. For example, re.match(“^.*(coffee|cafe)$”, tweet) checks whether … Read more
Problem Formulation: Replacing One Element Given List lst Element x Index i How to replace the element at index i in the list lst with the new element x? Solution Indexing You use simple indexing using the square bracket notation lst[i] = x to replace the element at index i in list lst with the … Read more
The next(iterator) function is one of Python’s built-in functions—so, you can use it without importing any library. It returns the next value from the iterator you pass as a required first argument. An optional second argument default returns the passed default value in case the iterator doesn’t provide a next value. Syntax: next(iterator, <default>) Arguments: … Read more
Summary: You can run multiple versions of Python on Windows using one of the following methods: Using entire path to execute the code. Creating A Shortcut or Symbolic Link to the executable files. Using Pylauncher: Use Shebang (#) in The Script Run Pylauncher Command Using Virtual Environments. ➠ Problem Formulation: You might have two versions … Read more
You can extract text from images with EasyOCR, a deep learning-based OCR tool in Python. EasyOCR performs very well on invoices, handwriting, car plates, and public signs. First released in 2007, PyTesseract [1] is the to-go library for extracting text from images. It uses classical computer vision methods to perform optical character recognition (OCR), then … Read more
Python’s IDLE code editor comes with every standard Python installation in Windows, Linux, and macOS. You can use it right out of the box after installing Python on your computer. Related Article: How to Install Python? IDLE has a useful syntax highlighting feature that highlights different Python language features to help you grasp source code … Read more
Python’s built-in iter() function returns an iterator for the given object. For example, iter([1, 2, 3]) creates an iterator for the list [1, 2, 3]. You can then iterate over all elements in the iterator, one element at a time, in a for or while loop such as: for x in iter([1, 2, 3]). Basic … Read more
Problem Formulation: How to check if all characters of a string are uppercase? Background: A string is a sequence of characters, and is amongst the most commonly used and popular data types in Python. Strings can be enclosed by either single or double quotes and are ‘immutable’, meaning they can’t be changed once created. There … Read more