MyBlueLinux.com

How Modify Systemd Unit Files Right Way

Learn various ways to modify a systemd config without editing its corresponding upstream unit file.

Linux

FastAPI language translations I18n Step by Step

Since the beginning of 2020, FastAPI has been gaining momentum as one of the potential alternatives to Flask server for RESTful API. If you are an existing FastAPI user, you should be aware that it does not come with built-in internationalization, and that will likely not change soon, because internationalization strategies are application-dependent.

The following tutorial focuses on server-side i18n .

This tutorial will show you how to i18n your FastAPI web application easily using the following Python libraries:

Python Development

CSS - How add gradient over image

How to add gradients to images without background-image or background in css style file

Development

Better SQLAlchemy

In this article, I will dive into the world of SQLAlchemy, uncovering the best practices for optimizing database interactions in Python applications. From designing efficient data models to managing transactions, I will guide you through a range of techniques that will help you build scalable and high-performing applications.

Python Databases Development

Database integration tests with Pytest, SQLAlchemy and Factory Boy with Faker

In this little example, I’m going to show a possible procedure to easily test your piece of code that interacts with a database.

Python Development Databases

Python Cheatsheet 1

Python is the most popular programming language in data science. Use this cheat sheet to jumpstart your Python learning journey.

Python Development

GNU Regex POSIX character classes

Character classes are a feature introduced in the POSIX standard. A character class is a special notation for describing lists of characters that have a specific attribute, but the actual characters can vary from country to country and/or from character set to character set. For example, the notion of what is an alphabetic character differs between the United States and France.

Linux Linux Utilities Bash

Bash: if statement

A Shell script usually needs to test 'if' a command succeeds or a condition is met. In Bash, this test can be done with a Bash 'if statement'. As with any other programming language, Bash comes with conditional expressions that allow you to test for conditions and alter the control flow if the condition is satisfied or not.

Bash Development

Bash: Guide to Bash IFS variable

The IFS is an acronym for Internal Field Separator or Input Field Separator. The $IFS is a special shell variable in Bash, ksh, sh, and POSIX. Let us see what $IFS is and why you need to use it while writing shell scripts under Linux and Unix.

Bash Development

PowerShell: Tips and Tricks

Windows

VMWare: How to Find VMs by IP or MAC Address

In the VMWare vSphere Client interface you can search virtual machines by their names only. But in some cases it is necessary to find the specific VMWare virtual machine by its IP or MAC (NIC hardware) address. This can be easily done by PowerCLI, provided that the VMware Tools are installed in each VM.

Quick download PowerCLI from here , install and run it.

Or you can Copy and Paste the following command to install this package using PowerShell Install-Module

Virtualization

NumPy Illustrated: The Visual Guide to NumPy

NumPy is a fundamental library that most of the widely used Python data processing libraries are built upon pandas , inspired by PyTorch , or can efficiently share data with (TensorFlow , Keras , etc). Understanding how NumPy works gives a boost to your skills in those libraries as well. It is also possible to run NumPy code with no or minimal changes on GPU .

Python Development