C++ → Method call on nullptr

UB, nullptr, cpp

Let's take a look at a small code example when a method is called on an object that is initialized with nullptr .

Sample code

We are given the following program code.

#include <iostream>

using namespace std;

struct X
{ …

Qt → Computer Geometry with Qt Creator

аналитическая геометрия, C++ геометрия, Qt геометрия, QVector2D, геометрия, компьютерная геометрия, QVector4D, QVector3D

By means of this article, I want to share my experience in using computer geometry, which I have accumulated in the process of working on my dissertation. Not everyone knows Qt Creator contains tools for working with geometry (in particular …

Python 3 → What's new in Python 3.9

Python 3.9, Python 3

Table of contents

It is currently in beta (3.9.0b3), and in the future we will see a full release of Python 3.9. A few of the new features are just incredibly cool, and it will be awesome to see them …

Flutter → Flutter and desktop apps

Desktop, Web, Dart, Flutter

Continuous progress in computer technology

It's no secret that the Flutter developers' mission is to target a wide range of devices including iOS, Android, Windows, Linux, macOS and websites from a single codebase, with native compilation and game-quality rendering. . …

Qt → Introducing Flow Mode in Qt Design Studio 1.5 - Part 1

UX, Design, Qt, UI, Designer

In version 1.5 of Qt Design Studio, you can try the flow mode functionality. The first part of this multi-part article will cover the basic usage of flow mode and how to get started. At the end of the article, …

Python 3 → Python 10 line toast notifications

Python

Introduction

We often use print to monitor the state of a script, or when we're debugging. Instead of constantly looking at the terminal window and waiting for some kind of output, we can use toast notifications as a way to …

C++ → A simple text editor in Ultimate ++

C++, U++, Ultimate++, UPP

I learned about Ultimate++ ( https://www.ultimatepp.org/ ) quite by accident when I read in an IT RSS feed about the next update of this framework. Well, I thought, since my pen projects are on hold, why not try something new. …

Qt → Qt for Python 5.15.0 has been released!

Qt, Python, PySide

Qt is happy to announce Qt for Python 5.15.0! 🎊🐍

You can get the latest version with: pip install pyside2 or simply upgrade your current installation: pip install -U pyside2.

At the same time, the Qt developers wanted to release …

Qt → UI files stopped opening in QtCreator

QtCreator, UI, QtDesigner

Another sclerosis....

When opening forms, QtCreator crashed qualitatively.

Solved by deleting the folder C:\Users\'username'\ .designer

Qt → Qt/C++ - Tutorial 091. How to write a custom delegate controlling the highlighting of a row in a table

Qt, QTableView, Delegate

And now a short article on customizing cell behavior using delegates in a QTableView.
This article is a modification of the table behavior in one old article, namely Qt/C ++ - Tutorial 039. How to fill a row in QSqlTableModel …

Qt → Qt Design Studio 1.5 released

UX, Qt, UI, Design

Qt is pleased to announce that Qt Design Studio 1.5 is now available through online and offline installers.

Qt Design Studio 1.5 comes with a fully supported 3D editor that allows you to create fully integrated 2D and 3D user …

Django → How to install and setting up Django JET

admin, Django

Probably you are here because you want to change your Django admin interface, and in this post, we'll learn how to install and set up one of the best Django interface libraries (Django JET).

Django JET Features

Bueautiful theme.
Responsive …