Category: Development

Computers are fast, deterministic, and precise… until you ask them what time it is. Then everything falls apart. Why Timezones Exist (Short Version) Before standardized […]

Den här guiden visar hur du: Detta är en korrekt intern PKI-setup för labb, hemnät eller isolerade miljöer. 🏗 Steg 1 – Skapa en intern […]

Version 1 of this prompt focused on getting authentication, security, UI structure, database discipline, and deployment right. Version 2 goes one step further. Modern web […]

Large Language Models are great at generating code — but without a strong, opinionated prompt, you often end up with demo apps that fall apart […]

Fast, fluent, feedback‑driven Python development for experienced developers. What is “Vibe Coding”? Vibe coding is a workflow where you stay in flow: VS Code is […]

Python is preinstalled on most Linux systems — but you should not use the system Python for development.Doing so often leads to broken system tools, […]

Large Language Models are no longer cloud-only.Today, several open or open-weight models can be run entirely on your own machine, giving you privacy, control, and […]

If you’ve ever built open-source software the classic UNIX way — — you’ve touched a system that has existed (and survived!) for more than 30 […]

(and Why We Still Can’t Escape Them)** If you’ve ever typed make and watched your terminal explode into life, you’re using one of the oldest […]

Why Fridays and Expiration Days Behave Differently in Modern Markets Certain days of the trading week and certain calendar events create consistent, repeatable market behavior. […]

Goal:Keep losses small, stay emotionally stable, and let your edge compound.Sizing > prediction. 1. Fixed % Risk per Trade (Fixed Fractional) Idea: Risk a fixed […]

The most important skill in trading isn’t prediction — it’s sizing. Most people believe trading success comes from making good predictions.Professionals know the truth: The […]

Managing code in a collaborative environment can be challenging, especially when multiple team members contribute to the same project. In this post, we’ll explore three […]

Creating reusable Python packages can greatly enhance your productivity and code management. In this blog post, we’ll walk through building a reusable package for a […]

Posted on June 17, 2024, by Peter Andersson Introduction Managing the client and order ID in a straightforward environment with a single IBAPI application and […]

My new hardcore PC har 24 cores. Twentyfour! Most of them sits idle when I run my code. It’s a bloody waste! Also, it is […]

Overview of major enhancements in each version Python 3.6 (released December 2016) Formatted string literals (f-strings): name = “World” print(f”Hello, {name}!”) Underscores in Numeric Literals: […]

Artificial intelligence (AI) has been transforming our world at an unprecedented pace. One of the most promising advancements in this field is ChatGPT by OpenAI. […]

Monte Carlo simulations are a powerful tool used to model a wide range of phenomena in finance, engineering, physics, and other fields. They are based […]

“In the summertime, when the weather is hot…” It’s time to write a note about modules and packages in Python. A module is a python […]

Telegram is an application for encrypted chats that has gained enormous popularity. Fully open source, it has a complete API both for endpoints (TDLIB) and […]

What is a Genetic Algorithm good for? Genetic Algorithms are most commonly used in optimization problems wherein we have to maximize or minimize a given objective […]

Here are some quick notes that I refer to when installing Rabbit MQ server on Linux. Installation Read and follow: https://www.rabbitmq.com/download.html Quickstart Make sure the […]