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 …
Django → Analysis of errors in the development and promotion of a site on Django - Custom tag<cut>
And now some thoughts on the topic of custom tags, and whether they should be introduced at all.
The short answer is NO.
Now let's think about this topic - "Why?" . There is such a well-known Russian-language resource Habr, …
Django → Analysis of errors in the development and promotion of a site on Django - Multilingual forms
forms, Мультиязычноть, Django, Translations
With this publication, I would like to start sharing my observations after almost seven years of supporting the EVILEG project. So that every newbie could roughly understand and imagine whether it is worth doing a similar or different functionality or …
Java → Java Array Programs
C++ → Leet Code Solutions - 003 - Longest Substring Without Repeating Characters
cpp, LeetCode, C++, C++17, string
Solution "Longest Substring Without Repeating Characters" on Leet Code
class Solution {
public:
int lengthOfLongestSubstring(string s) {
string candidate_str = "";
string checking_str = "";
size_t position = std::string::npos;
for (auto& ch : s)
{
position = checking_str.find(ch);
if (position …C++ → Leed Code Solutions - 002 - Add Two Numbers
Solution "Add Two Numbers" on Leet Code
/**
* 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 …C++ → Leet Code Solutions - 001 - Two Sum
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 …
Projects based on Qt → Как реализовать TLSv1.2 на 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 …
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 …
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