Projects based on Qt → How to implement TLSv1.2 on Qt 4.8.1

qssl

Initially, QSsl in Qt 4.8.1 (released about 13 years ago) used only the maximum of TLS v1.0.

Today is 2022 and Tls v1.0 and v1.1 are being blocked by almost every decent site on the internet.

Qt in QSsl uses …

Django → Django - Tutorial 058. Database Growth Due to django_session Table

Django, Postgres, garbage collection, Python, PostgreSQL

Lately, I have noticed that the fatal moment is approaching, when the disk space for the site on the hosting will catastrophically cease to be enough. And the database dump becomes incredibly huge, although there are no obvious prerequisites for …

Django → Django Rest Framework - Tutorial 001. Adding Token Authentication

Django Rest Framework, QML, Authentication, Token, drf, Felgo

At the moment I am actively working on an application that will work with the REST API of a Django site. And one of the first steps was to set up user authentication by token, but in order for this …

Django → Django - Lesson 057. Multilanguage support in MarkdownField with auto populate functionality

MarkdownField, markdown, modeltranslation, Django

The article How to write auto populate field functionality described the simplest functionality of the MarkdownField field to support markdown syntax on a site with automatic generation of html content.

I did not immediately show advanced functionality to make it …

Django → Django - Tutorial 056. How to convert image to WEBP format when saving to ImageField

ImageField, Django, WEBPField, webp, Python

WEBP is an image compression format that was introduced by Google in 2010. Its main advantage is its low size without visible loss of quality compared to formats such as JPEG or PNG. Therefore, it is quite logical to use …

Django → Django - Tutorial 055. How to write auto populate field functionality

field, Django, python, auto, Python

For a long time I wanted to write an article on how to write auto populate field functionality for a Django project. This is a very useful feature that allows you to change the content of other model fields in …

Qt → Qt/C++ Tutorial 092. Creating translations for external text sources

Qt 6, Qt, Qt 5, QtLinguist, translation

Today we will discuss a rather interesting option for adding translation to a Qt/C++ application. Namely, adding translations for texts from external sources when you display texts from databases, an external API, or just some other files.

Such a situation …

Python → Python: How to Test Internet Speed

speedtest

Probably, you have used the speedtest website before, but did you know that speedtest has a python library.
In this tutorial, We will learn to use the speedtest library to test your internet Speed. We'll also learn how to use …

Qt → Installing the QIBASE (Firebird) Qt 6.2.1 driver on openSUSE Tumbleweed

Qt 6, IBASE, FireBird, SQL

Another reinstallation. I decided to install Qt 6 already.

The firebird components are installed as follows

Add to .bashrc

# custom PATH Qt 6
export PATH="$PATH:~/Qt/6.2.1/gcc_64/bin"

check if cmake is installed

and then as in the documentation https://doc-snapshots.qt.io/qt6-dev/sql-driver.html , only …

Qt → Release of the C++/Qt and QML application deployment utility CQtDeployer v1.5.0

deploy, cqtdeployer, QML, Qt, deb

Release of the C++/Qt and QML application deployment utility CQtDeployer v1.5.0

This is the first major update in 2021. CQtDeployer 1.5 contains many useful improvements. The biggest improvements are the addition of the ability to package deb packages, and the …

Qt → How to display debug Qt symbols if you are using CLion instead of QtCreator

I welcome everyone.
As everyone has known for a long time, Qt has already steadily switched to CMake, replacing QMake.
And this means that you and I can use other IDEs to work with this framework.
CLion works great with …

EVILEG → Happy New Year to all EVILEG Community !!!

Dear EVILEG users!

I congratulate you on the coming New Year!!!
I wish you happiness, health and success in programming in the new 2021!!!

As the creator of the site, I am very pleased that such a great community has …