C++ → Generating pseudo-random numbers in Qt (QRandomGenerator)

QRandomGenerator

This note is a small addition to the article Generating pseudo-random numbers using the random STD library . The author omitted one of the useful functions of the QRandomGenerator class in it. The generator implementation is as follows:

QRandomGenerator *rg …

Qt → Asynchronous APIs in Qt 6

QFuture, Asynchronous, QtConcurrent, Qt, QThreadPool, Qt 6

As readers may already know, Qt provides several threading constructs (threads, mutexes, wait states, etc.) as well as higher-level APIs such as QThreadPool, Qt Concurrent, and other related classes. This article will cover the higher level asynchronous APIs and the …

Python → 5 Ways to Remove Unnecessary Characters from a String in Python

python

Remove specific characters from the string

Let's use ' str.replace '

With the help of * str.replace *, we can change some characters to others. If we just want to remove some characters, then we simply replace them with an …

Qt → Qt Design Studio - Sketch Bridge tutorial part 2

Sketch, Qt Design Studio, UI/UX, Tutorial

Welcome to the second part of the Sketch Bridge for Qt Design Studio guide. At the end of the first part, you created the first button and made it work in various states in Qt Design Studio (abbreviated as qds …

Qt → Qt Design Studio - Sketch Bridge tutorial part 1

Sketch, Qt Design Studio, UI/UX, Tutorial

Welcome to the Qt Design Studio Sketch Bridge tutorial. To follow it, you will need the commercial package Qt Design Studio 1.5 and Sketch Bridge, macOS and Sketch (developer uses 66.1).

This tutorial will show you how to make a …

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 → 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 → 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. …