Howto on Den's Hub: Technology Solutions, Guides and Best Practices

How to Fix Markdown Header

Sat, 25 Jan 2025 10:00:00 +0200

Ever written a Markdown header that didn’t render correctly? Markdown is a lightweight markup language widely used in documentation, blog posts, and readme files. It was designed to be simple and intuitive, but even experienced writers sometimes struggle with markdown formatting.

Let’s explore the most common Markdown header formatting problems, their simple fixes, and best practices for creating clean, professional-looking documents.

Why Proper Header Formatting Matters

Before diving into specific issues, it’s important to understand that proper header formatting isn’t just about aesthetics. Correct markdown header formatting is crucial for clean, readable content, and it can even impact navigation and SEO. Proper header structure:

Markdown For Bloggers

Tue, 30 Apr 2024 09:00:00 +0200

Markdown is a simple yet powerful tool for bloggers, allowing them to format text easily without needing complex HTML or styling. This article provides a clear guide on how to use Markdown to create clean, readable content with minimal effort. Whether you’re a beginner or an experienced writer, Markdown can simplify your workflow and enhance the overall look of your blog.

Enhancing Writing Efficiency

Welcome to the world of Markdown! If you’re a blogger seeking to streamline your writing process and create visually appealing blog posts, you’ve come to the right place. Markdown is a lightweight markup language designed to make formatting text as simple as possible. In this article, we’ll explore how you can harness the power of Markdown to enhance your writing efficiency and formatting skills. Let’s dive in!

Think Like Programmer: Problem Solving

Sun, 15 Jan 2023 10:00:00 +0100

The article explains how breaking down complex problems, recognizing patterns, and approaching tasks methodically can help anyone think more like a coder. Whether you’re new to programming or looking to sharpen your skills, adopting this mindset can improve both your coding and logical thinking abilities.

Intro

In order to keep my programming skills sharp, from time to time I solve problems on the LeetCode. It’s great because it’s constantly evolving, it has a friendly interface, you can choose problems on topics that interest you and there’s an excellent community, from which you can learn a lot.

Best Framework to Build an API in Python

Mon, 01 Aug 2022 12:00:00 +0200

In the previous article we figured out what an API is and how it works - a set of rules and protocols that allows different software applications to communicate with each other. Now, let’s explore how to choose the best framework for building APIs in Python.

Each article covers a different topic. If you’re just starting to understand how to write your own API, it’s useful to read everything in order. If you already know it and are interested in a particular topic, go straight to it.

What is an API? Short and simple explanation

Fri, 10 Jun 2022 12:00:00 +0200

The topic of API is very interesting and large, so I’ve divided the material into several parts, each of which is designed for a different audience. If you’re just starting to understand the subject, read everything in order. And if you know something already, choose the part that interests you.

Simple Explanation of API (this article 👇)
Best Framework for API
Build API with FastAPI (soon)
Build API with ChatGPT (soon)
Top Tools to Test API (soon)
Make Money on API (soon)

So, let’s go…

How to create a table in Markdown

Thu, 10 Mar 2022 12:00:00 +0200

This guide walks you through creating tables in Markdown, a simple yet powerful way to organize data in your content. It provides clear instructions and examples, making it easy to add clean, well-formatted tables to your blog posts or documentation. Whether you’re new to Markdown or looking to enhance your skills, this tutorial covers all the basics you need.

Intro

Let’s start by figuring out why tables are needed in markdown documents and look at the most convenient ways to insert a table into a markdown document quickly and easily.

Data Science Group on Facebook

Sun, 22 Mar 2020 10:37:47 +0100

Facebook data science groups offer a space for professionals and enthusiasts to share insights, learn new skills, and stay updated on industry trends. This article explores how these groups can help you connect with like-minded individuals, exchange knowledge, and access valuable resources. Whether you’re a beginner or an experienced data scientist, these communities provide a platform for growth and collaboration.

Data Science Community

Data Science is still a rapidly growing field that combines the power of statistical and computational methods to extract meaningful insights from large and complex data sets. It involves the use of various tools and techniques such as machine learning, data mining, and big data technologies to analyze data and extract information that can be used to improve business processes, optimize workflows and make data-driven decisions.

Protecting Server with Fail2Ban: The Ultimate Guide

Thu, 05 Mar 2020 08:43:05 +0100

As soon as you start your server, it immediately jumps into the ocean of botnets trying to login with common credentials. And if your server has anything useful, sooner or later it may become a target for script kiddies or even more advanced folks with powerful computers and latest technologies, including Artificial Intelligence.

You can save your server from the botnets and somewhat complicate life for hackers using Fail2ban.

What is Fail2ban (F2B)

Fail2Ban is an IPF - Intrusion Prevention Framework that protects servers from external attacks. It was created by Cyril Jaquier (Switzerland) back in 2004 and since then it is under active development by the growing community.

How to select all IP addresses in Sublime Text

Fri, 15 Nov 2019 11:39:27 +0100

Sometimes, to increase the security of your server or VPS (Virtual Private Server), you need to create a block list for certain IP addresses.

Let’s say you found such a source of IP addresses to block. Say, from a certain country or region. Now you need to merge them all into one list for blocking on the server. How do you find and select all the IP addresses in the text?

How to save information to a log file in Python

Sun, 03 Nov 2019 14:28:40 +0100

This article provides a comprehensive guide on how to save logs in Python using the built-in logging module. It walks you through the process of setting up a log file, configuring logging levels, and customizing log formats to suit your needs. Whether you’re debugging or tracking application behavior, these techniques will help you effectively manage your logs and gain better insights into your Python applications.

Suppose you need to save some information about an event and when it happened to a log file. One of the most appropriate file formats for this is JSON.

How to Insert Images in Markdown

Sun, 18 Aug 2019 10:47:44 +0200

Visual content is crucial for engaging documentation and blog posts. Studies show that readers are 65% more likely to remember information when it’s paired with relevant images. This guide will show you everything you need to know about working with images in Markdown, from basic insertion to advanced formatting techniques.

Markdown itself is a simple and easy-to-use markup language that can be used to format almost any document. If you are new to Markdown consider starting with The Markdown Guide.