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Cover Image for What does $@ mean in a shell script?
shell

What does $@ mean in a shell script?

Published on September 2, 2023

## What Does $@ Mean in a Shell Script? šŸ¤” If you've stumbled upon a shell script and wondered what the mysterious `$@` means, you're not alone! Shell scripts can be intimidating, especially when they're filled with unfamiliar symbols and jargon. But fear

Cover Image for How to perform grep operation on all files in a directory?
shell

How to perform grep operation on all files in a directory?

Published on September 2, 2023

šŸ“ **Title**: Mastering the Art of Grep: How to Perform Grep Operation on All Files in a Directory šŸ“ø **Introduction**: Have you ever found yourself in a situation where you needed to perform a grep operation on multiple files in a directory? Whether yo

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shell

Changing default shell in Linux

Published on September 2, 2023

# 🐧 Changing Default Shell in Linux: Mastering the Command Line! So you want to switch up your default shell in Linux, huh? That's cool. Kinda like picking a new outfit for your terminal experience. šŸ˜Ž But don't worry, it's as simple as hitting up the co

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pythonsubprocess

How to use `subprocess` command with pipes

Published on September 2, 2023

# šŸš€ Supercharge your Python scripts with `subprocess` command and pipes! Are you tired of running your Python scripts in isolation? Would you like to tap into the power of the command line and utilize powerful shell commands within your scripts? Look no

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error-handling

Are there any standard exit status codes in Linux?

Published on September 2, 2023

# Standard Exit Status Codes in Linux: A Complete Guide šŸ§šŸ’» If you've ever worked with Linux, you may have come across exit status codes. These codes indicate the outcome of a process and whether it completed successfully or encountered an error. In this

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java

Error: Could not find or load main class

Published on September 2, 2023

šŸ” **Error: Could not find or load main class** Oh no! You're trying to compile and run your Java code, but you're facing this pesky error message: "Error: Could not find or load main class". Don't worry, we've got your back! šŸ¤“šŸ‘ We'll walk you through t

Cover Image for How do I output coloured text to a Linux terminal?
terminal

How do I output coloured text to a Linux terminal?

Published on September 2, 2023

# How to Jazz Up Your Linux Terminal with Coloured Text šŸ’„šŸŒˆ Have you ever looked at your plain old black and white Linux terminal and thought, "Hmm, this is lacking some pizzazz?" Well, worry no more! I'm here to show you how to make your terminal come a

Cover Image for Is there a way to make mv create the directory to be moved to if it doesn"t exist?
macos

Is there a way to make mv create the directory to be moved to if it doesn"t exist?

Published on September 2, 2023

## šŸ“ Creating Directories with mv: Easy Solutions šŸ’” Have you ever wanted to move a file to a specific directory but found yourself dealing with the hassle of manually creating the necessary directories? 😫 Fear not, because in this guide we will explore

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command-linecsvmacos

View tabular file such as CSV from command line

Published on September 2, 2023

## How to View Tabular Files (such as CSV) from the Command Line šŸ˜ŽšŸ’» So, you want to view a tabular file (like CSV) from the command line, eh? You're in luck! In this guide, we'll walk you through some common issues, provide easy solutions, and spice thi

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python

UnicodeDecodeError: "utf8" codec can"t decode byte 0x9c

Published on September 2, 2023

šŸ“ Blog Post - UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c šŸ” The Dilemma: So, you're running a socket server where clients are supposed to send UTF-8 valid characters. All is well until those pesky hackers start sending garbled data. 😠 As a