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Jakub T. Jankiewicz Blog

Personal blog of Jakub T. Jankiewicz

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Latest posts

The Importance of Questioning When Using AI Agents

The other day I've seen this post in a Twitter community. https://x.com/LacTranAn/status/2072559283657740604 And few days before that I had this idea when the agent was thinking and struggle to follow my instructions. I was looking at his reasoning process. And think myself, to end his missery and just change the taktic. I asked him to implement something in Bash, and he was "wrestling" and was…

My Advice to New Developers

I'm a moderator in two communities on Twitter: Software Engineering Web Developers A frequent question people ask is about advice or tips for new developers. I stopped answering those questions, as they are a bit low-effort anyway. So I decided to write an article with my tips, and I will share a link when someone asks this question.

How to build zig book as PDF on Fedora?

I planned to learn Zig Programming Language , and found a Zig Book , but I wanted to read it on my reMarkable tablet , the problem was that officially Zig book is only in HTML format, and don't support building PDF file from source. That's why it's not part of its documentation. But with quarto publishing system, used by the book, it's possible to create a PDF file. Below is the instruction how to…

How to Help Charities and Your Ego?

Do you donate to charities? I do. And in this post I decided to explain, why it's worth bragging about it.

Documentaries for Programmers

People love watching movies, especially related to things they love. Developers are no different. And what is better to watch than documentaries about tools, libraries, and programming languages that we all use and love. Here is a list of documentaries created by CultRepo (formerly Honeypot) OfferZen , and some older documentary that you can find on YouTube.

Handling auto-indentation in Node.js REPL

When working on my Open Source project LIPS Scheme REPL , I wanted to have auto indentation, when you type multi line expression the text on the next line is indented. This article will describe a story of adding this feature, that require contributing to Node.js .

Batman website inspired terminal quiz app

Some time ago I was contacted by a person involved with NFT , to create a project inspired by 2022 Batman movie website .

How to Implement a Simple Markdown Parser?

I've had this idea some time ago to add limited support for Markdown into jQuery Terminal . I decided to use Peggy.js , a maintained fork of the PEG.js parser generator. I already used it for a few projects so I thought it will be the best tool for the job. PEG is an abbreviation of so-called Parsing expression grammar , a well-known way to define language grammars and create parser generators .…

How to Learn Design as a Web Developer?

People often ask me how to learn design. And since I'm mostly web developer, I get this question mostly from web developers. I decided to write this blog post to redirect people that ask this question. q In this article, I will show you 7 resources which will help you learn design as a web developer.

Hack for Syntax Highlighting of Source Code

If you're a web developer, work with JSON data format, and use Google Chrome browser, you have probably seen browser extension JSON Viewer . This extension adds Syntax Highlighting to JSON files viewed in the browser. I've had a similar idea to display Syntax Highlighting but for JavaScript and CSS files, as part of the website. I just later realized that this is similar to JSON Viewer. In this…

Welcome to my blog

The content of this blog will be everything that interest me. I'm mostly a programmer. I have a few Open Source projects . I'm also a Editor of Poslish Wikipedia, I'm hobby photographer and I design logos and logotypes (but not for the money). I'm interested in Math, computer graphics, comic books (including manga and anime). A lot of things will on subjects, that don't fit to my Polish blog…