Problem Formulation Suppose you have a PDF file, but it’s too large and you’d like to compress it (perhaps you want to reduce its size to allow for faster transfer over the internet, or perhaps to save storage space). Even more challenging, suppose you have multiple PDF files you’d like to compress. Multiple online options … Read more
According to the Python version 3.10.3 official doc, the os module provides built-in miscellaneous operating system interfaces. We can achieve many operating system dependent functionalities through it. One of the functionalities is to generate the file names in a directory tree through os.walk(). If it sounds great to you, please continue reading, and you will … Read more
Annual Income How much does a Powershell Developer make per year? The average annual income of a Powershell Developer is between $93,000 (25th percentile) and $170,000 (75h percentile) with top earners making $170,000 per year and more according to Ziprecruiter (source): Let’s have a look at the hourly rate of Powershell Developers next! Hourly Rate … Read more
Annual Income How much does a Bash Developer make per year? The average annual income of a Bash Unix Shell Script Developer is $74,000 according to Ziprecruiter (source). PayScale lists an even higher annual income for a bash developer of $80,000 (source). Let’s have a look at the hourly rate of Bash Developers next! Hourly … Read more
Problem: Given a directory consisting of different file types, how to find all the files in the directory with the.txt extension? As a developer, you may need to prune the type of files present within a certain folder, i.e., list the files in a directory having a specific extension before performing any operation on them. … Read more
[toc] Problem Statement: Reading from stdin in Python. Reading inputs from the user is one of the fundamental building blocks that we learn while learning any programming language. The output of most codes depends on the user’s inputs. Hence, in this article, we are going to learn how to read from stdin in Python. There … Read more
Problem Formulation Say you need to call a potentially long function but you can only wait for a fixed time duration for the function to terminate. If the function does terminate within the time interval, you take the function’s return value. If the function does not terminate within the time interval, you want to take … Read more
Problem Formulation How to list all files in the current directory given these constraints: Non-Recursive: You do not want to list files in subdirectories. ONLY Files: You do not want to list folder names. Current Directory: You run the Python script from the current directory. Here’s an example structure: current_folder — code.py — file.txt — … Read more
Windows: How to Make Beep in Python To make a beep sound in Python on your Windows machine: Import the library using: import winsound Call windsound.Beep(frequency, duration) for your desired frequency (in Hertz) and duration (in milliseconds). For example, winsound.Beep(2000, 1500) would make a sound with 2000 Hz for 1.5 seconds. Here’s the relevant code … Read more
Background and Problem Description Multi-threading allows you to run your program concurrently. You can achieve this by using threads. 💡 Definition: In simple terms, a thread is a set of instructions that can be executed independently to perform some task. One thread might run a part of the program while the other runs another part. … Read more
Working in Python with files and directories in an efficient way is important especially when we are talking about several thousand files. For example, if the goal is to “just” count the number of files in a directory it is probably a good idea to work directly with iterables without creating lists that would take … Read more
Switch to English Version Planteamiento del problema Dado un objeto JSON almacenado en un archivo llamado “your_file.json”, como una lista de diccionarios. ¿Cómo se pueden anexar datos, como un nuevo diccionario? # File “your_file.json” (BEFORE) [{“alice”: 24, “bob”: 27}] # New entry: {“carl”: 33} # File “your_file.json” (AFTER) [{“alice”: 24, “bob”: 27}, {“carl”: 33}] Método … Read more