Junian Dev

Back in college, I was given the task of implementing a math expression tokenizer function in C++.

exFAT is a storage format created by Microsoft that is portable across platforms.

While browsing the internet, I stumbled upon something interesting.

Sometimes, after recording a video, downloading one online, or saving a video stream to your storage, the file may end up corrupted, incomplete, or broken.

Consider this scenario where you create a new Git repository using the command-line tool. $ mkdir new-repo $ cd new-repo $ git init Initialized empty Git repository in /Users/junian/new-repo/.git/ $ touch README.md $ git add . $ git commit -m "Init" [mast…

If you’re a .NET developer using macOS, you might not realize that old versions of the .NET SDK and Runtime can take up valuable storage space.

Recently, while using the pass password manager command-line tool on macOS, I encountered the following error message: gpg: public key decryption failed: No pinentry gpg: decryption failed: No pinentry This issue occurs because the required dependency, pi…

After setting up networking on my headless Raspberry Pi, I wanted to verify that my internet connection was working properly.

This article contains a list of cheat sheets, common problems, and solutions that I encountered while working with the SVN version control system.

If you want to test the network speed between computers on the same local area network, you can use the iperf3 tool.

It’s 2025 and the job market is super competitive.

Recently, my ISP replaced my almost decade-old router with a new one.

Here’s a collection of Credly badges that you can get for FREE by finishing the courses.

As you may know, I’ve written a tutorial on how to block LLM AI like ChatGPT from crawling my site without attribution via robots.txt file.

When I tried to pull a Git repository with SourceTree, I encountered the following error: Rebase In Progress It appears that you have a rebase in progress that was probably interrupted because of a conflict.

When I was working on a company WinForms project in Visual Studio, I encountered the following error: The designer could not be shown for this file because none of the classes within it can be designed.

Xamarin.Forms is deprecated as of May 2024.

As part of my personal development, I’ll regularly share my learning journey here.

Like, Share, and Follow In today’s fast-moving digital world, having a strong social media presence isn’t just nice to have—it’s essential for tech businesses looking to connect with their audience and show off their expertise.

It all started with an Upwork job described as follows: Help Installing MongoDB CE 8 on Ubuntu 24.04 LTS I followed the instructions here: https://www.mongodb.com/docs/manual/tutorial/install-mongodb-on-ubuntu/ But obviously, I’m missing something.

I have a TP-Link router at home and usually use a web browser to access its configuration.

You can now call ChatGPT using your phone!

You might want to use the latest version of Safari while keeping the same macOS version.

Managing multiple Git repositories can be a tedious task.

Have you ever tried to delete or move a file in Windows File Explorer, only to encounter an error message like this?

As a web developer, you likely need to test your REST API locally.

As a web developer, you likely need to test your REST API locally.

The Fizz Buzz problem is a classic exercise that is often used to teach basic programming concepts such as loops and conditionals.

Problem Given an integer x, return true if x is a palindrome , and false otherwise.

Problem Description Given an integer array nums sorted in non-decreasing order, remove the duplicates in-place such that each unique element appears only once.

Problem Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target.

You might want to read the Hash Table solution.

As a web developer, you likely need to test your REST API locally.

Today I’m trying to submit a new version of the Flutter Android app to Google Play Store.

If you are using a Mac with Apple Silicon (M1 / M2 / M3), you may encounter software or applications that are not natively designed for the ARM-based architecture.

Recently, I downloaded a lot of ZIP files from the internet to my Raspberry Pi.

I recently checked my Google Search Console and found out that some of the visitors are AI agents.

If you’re a Web developer you probably have a task to test your REST API locally.

It’s almost 3 years I’ve been driving a Toyota Rush car and I finally saw a blinking battery coming from the dashboard.

Recently I’ve got some notifications from my iPhone that some of my AirTags batteries were almost depleted.

I want to play and research about Generative AI, especially image generation with Stable Diffusion, but I don’t have an NVIDIA-powered GPU.

So I want to use VLC on Android to play some video from SMB Share.

Google Fonts is a collection of free licensed font families.

I have an unused Mac at home that I use as a homelab server.

Docker is a useful piece of software.

If you’re using a Samsung Galaxy Phone or Tab and your phone number is displaying as “Unknown,” you’re not alone.

If you’re a macOS user and want a convenient way to manage and install software, Homebrew is the go-to package manager.

In this guide, I’ll walk you through the process of implementing a folder selection UI using C#.

Have you ever been developing a WinForms project and encountered a situation where you couldn’t use the View Designer?

As a macOS user, one question that always bothers me is what is the Windows equivalent of the open command used in macOS.