Tech Resources Reviewed

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This week we’re sharing a few in-depth reviews of the community’s top resources. This includes the most popular Python resource and the most popular resource for learning C++. We also have a new video on misunderstood terminal commands. And there’s a survey at the end where you can let us know what you want to see.

This Week’s Resources

• The Free Python Code Editor

• Python Project Walkthrough: File Organizer (YouTube)

• New Tech Job Opportunites for 2025

• Free Python Project: Automating Stock Data (YouTube)

• Python with Mosh: Reviewed

• Single-Cell Data Visualization in Spreadsheets (MSN)

• The Weirdest Moments in Linux History

• Learn CPP: Reviewed

• Misunderstood Linux Commands (YouTube)

• Free AI Interviewer for Coders

• The 13 Best AI Courses Online in 2025

New Python Project

Here’s a totally new Python project we released this week. And there’s a full walkthrough on YouTube. Dr. Johns spends about 16 minutes sharing how to code a file organizer that automates an annoying task.

Here’s a bit of the code for recognizing file types. Each key in the dictionary is a category, and its value is a list of file extensions that belong to that category. For example, .jpg and .png files will go into the "Images" folder.

Of course, feel free to modify this, make it more granular, adjust the groupings, and so on. This example I've provided is just a jumping-off point, and you may have your own preferences on how you'd like to organize your files.

FILE_CATEGORIES = {
    "Images": [".jpg", ".jpeg", ".png", ".gif", ".bmp", ".tiff"],
    "Videos": [".mp4", ".mkv", ".flv", ".avi", ".mov"],
    "Documents": [".pdf", ".doc", ".docx", ".txt", ".ppt", ".pptx", ".xls", ".xlsx"],
    "Audio": [".mp3", ".wav", ".aac", ".flac"],
    "Archives": [".zip", ".rar", ".7z", ".tar", ".gz"],
    "Data": [".csv", ".json", ".xml"],
    "Others": []
}

Watch this walkthrough to make one yourself, or check out the rest of our code at Hackr.

The Most Popular Free Python Course?

If you’ve ever tried to learn Python from YouTube, you’ve likely encountered Mosh. This is one of the most popular resources submitted by the community at Hackr.io, and we wanted to give it a look to see whether it holds up in 2025.

The short version: There’s so much value in this course. While it’s not exactly recent, it’s still one of the best free resources we’ve seen for those looking to learn Python from scratch.

With a reputation as a brilliant instructor, Mosh has made a significant impact in the programming world. His ability to break down complex concepts into digestible pieces has earned him a loyal following.

And his Python course is no exception, offering accessible content that appeals to both novice coders and those looking to expand their programming toolkit.

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The Weirdest Moments in Linux History

Linux is known for its power and versatility, but it has also earned a reputation for its eccentricity. That’s why we wanted to cover seven of the weirdest moments in Linux history.

From epic flame wars to pink glittery interfaces, the history of Linux is full of moments that make even its most ardent fans pause and chuckle. We covered seven of these unforgettable events.

A personal favorite? Microsoft seemingly did a complete 180 on the subject. Check out the article or our full video to get the scoop.

The Most Popular Free Resource for Learning C++?

While we were evaluating our most popular tech resources, all of which come from community submissions, we wanted to highlight another classic. This one focuses on C++, and it has also been around for a while.

Check out our full review of LearnCPP, or watch the video on YouTube.

Finding this information helpful? Help other coders and share the knowledge.

Misunderstood Linux Commands

In this video, Dr. Johns explains five commonly misunderstood Linux commands: chmod, kill, dd, find, and tar. Learn the nuances of setting file permissions with chmod, the difference between kill and killall, the powerful yet risky dd command, the multiple uses of find beyond just searching, and the true purpose of tar as an archiving tool with optional compression.

This tutorial aims to clear up any confusion surrounding these commands and equip you with the knowledge to use them effectively.

Excel Stock Tracker

Looking for a spreadsheet project that doesn’t require a bunch of coding? There’s a pretty easy way to build a no-code stock tracker in Microsoft Excel.

To create one, start by setting up a structured workbook. Then populate the tracker with your portfolio details and automate calculations using simple formulas to track total investments, current value, and profit or loss in both dollar and percentage terms.

Or use the existing template and build yours out with custom formatting.