Golden nuggets where no entry is longer than my expected attention span
When working with the Interactive Brokers (IB) API, one of the most essential components for effective order tracking is understanding the role of client ID […]
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Logging is an essential part of any robust Python application. It provides insights into how your program runs, tracks errors, and helps with debugging. In […]
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When setting up a mail server on Linux, Postfix is one of the most popular choices for a mail transfer agent (MTA). Whether you’re sending […]
Continue reading »SSH sessions timing out due to inactivity can be frustrating, especially when you’re running long processes or working intermittently. Fortunately, you can configure both the […]
Continue reading »If you’re a developer working in Linux Mint, chances are you use Visual Studio Code (VS Code) as your go-to editor. It’s powerful, lightweight, and […]
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Handling missing data in a time series is a common challenge when working with datasets, especially in domains like finance or IoT, where data might […]
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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 […]
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Introduction The global financial markets are supported by a vast network of stock exchanges, each with its unique history, regulatory environment, and technological advancements. There […]
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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 […]
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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 […]
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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: […]
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Versioning your software is crucial for tracking changes, debugging, and ensuring compatibility. When working with Python projects in Git, one popular tool to help automate […]
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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. […]
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What you need to know There are several benefits of using SSH (Secure Shell) for remote access and file transfer: Overall, SSH is a powerful […]
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Trading in financial markets can be a complex and challenging endeavor. Traders need to analyze various data points to make informed decisions about when to […]
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Machine learning is a field of artificial intelligence that enables machines to learn from data and make predictions or decisions based on that learning. This […]
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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 […]
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DALL-E, short for “Dali + WALL-E,” is a new generative model created by OpenAI that combines the power of two existing technologies: GPT-3 and computer […]
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Python is a high-level programming language known for its ease of use and readability. However, its interpreted nature often leads to performance issues when compared […]
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A short documentary from SVT with a new spin on the Palme murder. I feel that the documentary is well done, with a new interesting […]
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The Python logging framework has been around for a long time, and with such a mature framework, it’s quite natural that the number of features […]
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When developing a Flask application, you normally run it from the terminal using flask run or in the code app.run() But when the app is […]
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“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 […]
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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 […]
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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 […]
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Volatility is one of the most important attributes of any tradeable instrument. It indicates how volatile, or ‘risky’ if you will, the price is. But […]
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With Flask you can have your backend coded in minutes, and with for example a Linode server you can get a $10/month-server up and running […]
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A continuation of https://blogg.fsh.se/2022/06/06/a-simple-jwt-example-with-nodejs-and-python-part-1/ This article describes the creation of a simple React client logging into the backend using JWT. The React client Keep track […]
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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 […]
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The following example is built using a Python Flask backend, a CURL-script to test it, and a simple React frontend that logs in, gets an […]
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I often do this: I hurry creating a git repository, do a quick “git add .” and commits. Afterworth, after a few more commits, I […]
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Do you have a lot of CSV files, with sometimes many rows of data that you need to import to a Mysql database? You could […]
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Some people think Spring and Spring Boot adds to much “magic” to a Java app, and to some extend I agree. Have they gone too […]
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Gradle is a beast! Having a background in simpler build systems like Makefile and Ant, Gradles DSL confused me initially. Gradle has sections that basically […]
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When I moved a bunch of classes from a rather large Spring Boot application into a separate library (se more about that process here), I […]
Continue reading »One of my interests which are not computer related, is the murder of Olof Palme, Feb 28 1986. Here is the last interview with Stig […]
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Why it sucks? The TL;DR is “It’s not Linux”. I really want to like Windows. And God knows I have tried. A couple of times […]
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Running webservers on own hardware I develop a lot of websites, and I run them on my own hardware (a Ubuntu Server). When developing (on […]
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For some reason, Linux Mint (and other variants probably?) creates a measily 2GB swap file, which is too small IMHO when you have 16GB or […]
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How the system path is set is quite complicated, depending on your system and shell setup. But for the most common one (Linux Mint/Bash in […]
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ActiveStorage is a gem, I really think so. Before AS, whenevener I needed to attach a “blob” (image or other document) to a model it […]
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A friend asked me to help debug an app that tried to detect three different colors. It was written in Python and used three precreated […]
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[iframe height=1000px src=”https://blogg.fsh.se/jupyter_notebooks/fantasy_football.html”]
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The major difference between Linux and Windows is the quality of the terminal. I would say the comparison is like comparing a with a But […]
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I had terrible problems connecting to my Wifi printer Canon MG5450. It worked perfectly from my Imac, but from my Linux Box I got “server-error-internal-error” […]
Continue reading »If you get this (or similar) error when running: /home/peter/.pyenv/versions/3.8.3/lib/python3.8/site-packages/pandas/compat/__init__.py:117: UserWarning: Could not import the lzma module. Your installed Python is incomplete. Attempting to use […]
Continue reading »In ~/Desktop, create a file named Eclipse.desktop with content: [Desktop Entry] Version=x.y Name=ProgramName Comment=This is my comment Exec=/home/peter/Documents/exec.sh Icon=/home/peter/Pictures/icon.png Terminal=false Type=Application Categories=Utility;Application; if you need […]
Continue reading »This code connects to a Mysql database, reads ths content of a table and imports it into a Dataframe. From there you can twist and […]
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Even with a moderately large React app, you try to structure your modules and end up here in the end: import ../../../components/dialogs/enter.jsx WTF?? Good luck […]
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How do you setup VS Code, which is a great code editor, for Ruby development? Well you start by installing these gems: gem install solargraph […]
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It’s not as straightforward as you might think to completely remove MySQL from your linux box. Here are the details: Use apt to uninstall and […]
Continue reading »I just found this amazing article about the finer details of Websockets, and how to implement a WS server using Ruby. I just had to […]
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iotop is installed via sudo apt install iotop and is a great tool for monitoring I/O in your box. Here are a few tips […]
Continue reading »So it finally happened. After years of usage I managed to f**k up my linux boot. I suspect the HDD was about to give up […]
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