
C++ → Leed Code Solutions - 002 - Add Two Numbers
Solution "Add Two Numbers" on Leet Code
Read/** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode() : val(0), next(nullptr) {} * ListNode(int x) : val(x), next(nullptr) {} * ListNode(int x, ListNode …


Django → Django - Lesson 059. Saving the selected language in user settings
python, language, django, translation
In this article, I would like to show an example of how you can make a link on the site so that the user can switch between languages on the site.
But I will show a more advanced version of …
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Projects based on Qt → How to implement TLSv1.2 on Qt 4.8.1
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 …
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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 …
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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 …
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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 …
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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 …
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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 …
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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 …
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Python 3 → Python: How to Test Internet Speed
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
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 …
Read- Mikhael Bykov
- June 6, 2023, 7:15 a.m.
C++ - Test 001. The first program and data types
- Result:60points,
- Rating points-1
- Gulnur Kadyrbek
- June 2, 2023, 6:10 p.m.
C++ - Test 005. Structures and Classes
- Result:0points,
- Rating points-10


