Posts

Summary

When working with Polars, a lightning-fast DataFrame library built in Rust and designed for performance, many Python developers are surprised to encounter something they rarely see in standard Python: Overflow.

This post explains why overflow happens in Polars, how it differs from standard Python behaviour, and what you can do to prevent it.

Summary

The cmp command in Linux is a powerful utility used to compare two files byte by byte. It is primarily used to identify differences between binary or text files, making it invaluable for tasks such as verifying file integrity or identifying modifications.

Summary

The scp (Secure Copy) command is a command-line utility that allows you to securely copy files and directories between a local and a remote host, or between two remote hosts. It leverages the SSH protocol for secure data transfer.

Summary

The umask command in Linux sets or displays the file mode creation mask, which determines the permissions of newly created files and directories. It's a crucial tool for controlling default permissions.

Summary

The join command in Linux is used to combine lines from two files based on a common field. It's essentially a simplified database join operation performed on plain text files.

Summary

The odt command, part of the odt2txt package, is a simple command-line utility for converting OpenDocument Text (.odt) files to plain text.

Summary

The pushd command in Linux allows you to change the current directory and save the previous directory for easy return. It's part of the shell's directory stack management.

Summary

The wc command in Linux is a versatile utility used for counting the number of lines, words, characters, and bytes within a file or input stream. It's a fundamental tool for text analysis and data manipulation.

Summary

The wc command in Linux is a utility that displays the number of lines, words, and bytes (or characters) in a file. It's a simple yet powerful tool for quick text analysis.

Summary

This blog post breaks down the concept of functions, making it accessible to adult learners looking to refresh or build their mathematical foundation. We cover fundamental definitions, explore various types of functions, and delve into transformations, expansion, and factorization, providing clear examples and practice problems along the way.