Projects based on Qt → Как написать свой QTableView

Qt, C++, QTableView

Тема интересная и уже есть готовый открытый проект. Пока бета версия.

Небольшое видео на ютьюбе

github.com

в общем QpTableView называется наш класс. Позволяет выводить колонки модели данных по некоему шаблону (в строке). То есть секции могут быть в несколько рядов, …

Django → Django - Protected media content

nginx, protected, Django

On one of the resources that I am developing, there was a need to add protected access to media content, checking the user's right to access this media content. Simply put, can the user view the photo that nginx serves …

Django → Choosing a Canonical URL

django, MVP, URL, Google Search Console

I started working on one small Django project and after creating a Minimum Viable Product , I launched it immediately into the online space so that it would start to be indexed by search engines.

Thus, I expect that at …

Qt → QScintilla C++ example

Qt

Unfortunately, I completely erased from my memory how I received the distribution kit (it was three years ago, and then I did not return to this topic). Here you have to thoroughly scour the Internet. You can try this resource: …

Django → Django - Lesson 064. How to write a Python Markdown extension

Python, markdown, MarkdownField, Django

On this site and a couple of other projects, I actively use markdown to write text, and then generate html code from it. And in the end, I wrote a couple of extensions that perform some specific functionality, which somewhat …

Django → Django - Lesson 063. Full text site search for multiple models with multilingual support

Django, python, Django 3, modeltranslation, full-text search, Django 4

Finally, I managed to make a fairly fast full-text search across several models, taking into account the optimization of requests on the site, which would suit me and meet my requirements for the quality of the project.

If you now …

Django → Django - Lesson 062. How to write a block-template tabbar tag like the blocktranslate tag

tag, templatetags, Django, Django 3, Django 4, template

In this article, I'll show you exactly how you can write a simple block template tag, like the blocktranslate tag in Django .

These block template tags have an opening tag and a closing tag, and the most common one …

Django → Django - Tutorial 061. Adding a Unique View Count

Django, Counter, Django 3, python, Django 4

At the very beginning of creating articles and questions on the forum, I added a simple counter of views on this content.
This counter was an ordinary field of integer type and each time a page was requested it was …

Django → Django - Lesson 060. Speeding up a website with caching templates

Django 3, model_cached_property, cache, Django 4, invalidate, Django

One of the ways to significantly speed up the speed of a Django site is to cache both individual parts of the site templates and cache the templates after they are compiled by the site. Therefore, we will study both …

Qt → How to open image with correct orientation with Qt tools

QImageReader, поворот изображения при загрузке, QImageWriter, поворот изображения, метаданные jpg

Some popular image formats (like jpg) may contain metadata. One of them is rotation. If you create the file in a graphics editor, then rotate it in the viewer, and finally load it into your application using the QImage, QPicture, …

Django → django_model_cached_property - Caching property for individual model objects in Django

cache, model_cached_property, invalidate, redis, Python 3, Django

Introducing the release of the stable battery django_model_cached_property for caching property for individual model objects in Django.

I already said that evileg_core contains similar functionality, but now I decided to bring this caching into a separate package. This is due …

C++ → Engineering solution of a cubic equation using Vieta's trigonometric formula

кубическое уравнение, unique_ptr, компьютерная математика, полиномиальное уравнение, тригонометрическая формула Виета

As you know, the solution of the cubic equation has been known since the 16th century. However, even today, engineers can face a problem in solving it. This complexity is due to the need to extract the root from complex …