Qt → How to meet the new requirements of Google Play

Chart, Qt, Plot, Blog

Starting August 1st , Google Play will no longer accept new apps or app updates without a 64-bit version (unless native code exists at all, of course). For Qt users, this means that you need to create an additional APK …

Development diaries → Development Diary of EVILEG - TD Strategy - 001

RTS, TD, TowerDefense, EVILEG

Finally got around to do what I wanted to try for a very long time. Namely, the development on the Unreal Engine 4. I will try to throw the site and highlight the evenings to finalize the site itself. But …

Algorithms → Adjacency list

Tree, Дерево, Алгоритм

Adjacency List represents a graph as an array of linked list.

The array index represents a vertex and each element in its linked list, and also represents other vertices that form an edge with the vertex.

Representing adjacency list

The …

EVILEG → EVILEG - 4 Years Online

EVILEG, 4 года

Hello!!! And today is our birthday. For exactly 4 years now, the EVILEG project has been online and has been slowly developing and growing. So it is time to take stock and plan work for the next year.

Site attendance …

Qt → Qt 5.13 Release

Qt, Blog, Releases, Выпуск

On June 19, Qt Company released Qt 5.13. As always, releases come with new features, updates, bug fixes, and improvements. In Qt 5.13, Qt Company also focused on a tool that makes designing, developing, and deploying software with Qt more …

Qt → Qt 5.12.4 released with OpenSSL 1.1.1 support

Releases, openssl, OpenSSL, Qt, Выпуск

Qt 5.12.4, the fourth release of the Qt 5.12 LTS patch, was released today. The Qt 5.12.4 release contains a number of bug fixes as well as performance improvements along with a number of other enhancements. As an important new …

Qt → Qt Support - Aligning Chart Views to Each Other

Plot, Blog, Chart, Qt

One thing that comes up in support from time to time is that when you have multiple chart types, it's good to align them to each other so that the actual chart size is the same for both charts. If …

Software → Release of C ++ / QML application deployment utility CQtDeployer v1.2.3

Qt, C++, cqtdeployer, QML

After a month of development, a release of the cross-platform utility CQtDeployer v1.2.3 has been prepared. The source texts of the CQtDeployer components are shipped under LGPLv3 licenses.

What is new:

• Added support for qt.conf for Windows builds

qt.conf is …

Algorithms → DFS (Depth-first search) algorithm

Tree, Дерево, Алгоритм

Travel means visiting all nodes of the graph. Depth Traversal or Depth First Search is a recursive algorithm for finding all the vertices of a graph or tree data structure. In this article, with the help of the examples below, …

Qt → Data encryption by RSA algorithm in Qt with public and private keys without binding to OpenSSL

RSA, Public key, ge, шифрование в qt, публичный и приватные ключи, crypto, private key, AES, cryptography, QuasarApp, Qt, asynchronous encryption, Qt-Sekret

Introduction

In this article there is a way how to organize message encryption, as well as use RSA (public and private keys) algorithms without libraries similar to OpenSSL, QCA or LibSodium.

How does it work?

Why is it necessary?

There …

Qt → Printing the exact contents of a QTableView (QTableWidget)

QPrintPreviewDialog, QTableView, print, QTableWidget, Qt

Good day.
Again as a note.
There was a need to print an exact copy of the contents of QTableWidget with delegates, etc.
It turned out the following:

void FinalPage::on_pushButtonPrint_clicked()
{

    int width = 0;
    int height = 0;
    int …

Qt → Introduction to QtCoAP

QtCoAP, M2M, Qt

It is a client-side implementation of the Constrained Application Protocol (CoAP) for the Internet of Things. The library provides a quick and easy way to use the CoAP protocol in your cross-platform Qt applications. As previously announced, QtCoAP will be …