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Page 523 of my articles, tutorials, and thoughts
Latest Articles
Dart: mapping a list (list.map)
# Mapping a List in Dart with list.map() Are you ready to level up your Dart skills? 🚀 Today, we're diving into one of the coolest features of the Dart programming language - the `list.map()` method. 🎉 ## The Problem 😱 Let's say you have a list of mo
Using ls to list directories and their total sizes
📝**Title**: "How to Use ls to List Directories and Their Total Sizes in Unix" 💡**Introduction**: Hey there, fellow techies! 🖐️ Have you ever wondered if it's possible to use the `ls` command in Unix to list the total size of a sub-directory and all its
How do I use sudo to redirect output to a location I don"t have permission to write to?
## How to Use Sudo to Redirect Output to a Location You Don't Have Permission to Write to 🚀 So, you've been granted sudo access on your RedHat Linux box, and often find yourself needing to redirect output to a location where you don't have write access.
Remove a symlink to a directory
## How to Remove a Symlink to a Directory: Unlink Like a Pro! 🧙♂️ So, you've got a pesky symlink that you want to remove, huh? But you also want to keep the precious directory it's pointing to safe and sound? Don't worry, my friend, I've got your back!
Defining a variable with or without export
💡 **Defining a Variable with or without Export: Demystifying the Difference** 💡 Are you puzzled by the nuances of using `export` when defining a variable in a command line interface? 🤔 Don't worry, because in this blog post, we're going to break it dow
Pipe to/from the clipboard in a Bash script
✍️Title: 📋💻 Pipe to/from the Clipboard in a Bash script like a Pro! Introduction: Hey there tech enthusiasts! Have you ever wondered if it's possible to pipe to/from the clipboard in Bash? 🤔 Well, you're in luck because today we're going to dive into
Which version of PostgreSQL am I running?
# 🐘 How to Find the PostgreSQL Version You're Running 🐘 So you find yourself in a corporate environment, using Debian Linux, and you have no shell access to the server running your PostgreSQL database. You access the databases using Navicat or phpPgAdmi
How to count lines in a document?
# How to Count Lines in a Document: A Beginner's Guide 😎📝 Are you struggling to count the number of lines in a document? 🤔 Not to worry, we've got you covered! In this blog post, we'll walk you through some easy solutions to this common issue, specific
How to kill a process running on particular port in Linux?
# How to Kill a Process Running on a Particular Port in Linux? So, you've encountered a common problem - your Tomcat server didn't shut down properly, and now you're unable to restart it because the process is still running on port 8080. Don't worry, we'v
How do I create a copy of a directory in Unix/Linux?
# 💻 Copying a Directory in Unix/Linux: A Guide for the Tech-Savvy 📂 Are you ready to dive into the depths of Unix/Linux file management? 🚀 Today, we'll tackle a common question and help you master the art of creating a copy of a directory, complete wit