Qt → Qt/C++ - Tutorial 081. How to make a base class for widgets using ui form files

Qt, ui, C++, Form

In some cases, you might need to create widget form classes that have a custom base class. That is, the form class of the widget will be inherited from your class, and not directly from QWidget , QDialog , or …

EVILEG → Problems with the database

EVILEG

Hello, Dear Users of EVILEG!

June 30, there was a failure with the database. Part of the data for the last 3 days has been lost, for which I apologize!

Thanks to the Bing cache, it was possible to recover …

Career and business in IT field → EVILEG - Celebrate three years

EVILEG, 3 года

On June 28, the information resource of EVILEG was three years old. And it's time to take stock of what has been done, which has not been done due to various circumstances, among which the greatest percentage is the lack …

Qt → C ++ scripts

Qt5, Qt, Script, C++

One of the authors of the Qt Blog shared his experience of using the Cling utility. To solve everyday problems, he needed to write several scripts, and he used C ++ as a scripting language!!! To do this, he used …

Java → Implementation of the Wave algorithm (Lee algorithm) in Java

алгоритм ли, волновая трассировка, волновой алгоритм, Java

Sometimes there is a problem to find the minimum path from point A to point B . The map can have barriers and be like a labyrinth. Similar tasks can be done in game development, PCB design and GPS development, …

Qt → Serialization To and For Qt

Сериализация, Qt, JSON

In the first part of a series of articles, the author addressed the problem of tuning and merging messages and reducing their load in telemetry sensors.

This part is about message payload and its optimization.

There are many methods to …

Qt → New in the Wayland Platform Plugin in Qt 5.11

Wayland, Qt5, Releases

Wayland is the display server protocol on modern Linux systems. The Qt Wayland platform plugin allows applications to use the Wayland display server (compositor)

In addition to bug fixes, the 5.11 release of Qt contains a significant number of improvements, …

Qt → Installing the QIBASE driver (Firebird) Qt 5.11 Suse LEAP 42.3

Leap, SuSE, qt, Fierbird, QIBASE

Decided to update Qt. Each time this entails reinstalling the drivers for working with databases.

I decided to write down the sequence of actions.

I hope I save someone a couple of hours. :-)

Install Qt 5.11.

The Qt documentation …

Qt → Qt 5.11 Release

Qt, Releases

Slightly ahead of schedule, Qt 5.11 was released today (May 22, 2018). As always, the new release adds a lot of new features and fixes a lot of bugs from previous versions. Let's take a look (tell) about the most …

Qt → Qt/C++ Tutorial 080. Downloading large files with QNetworkAccessManager

QNetworkRequest, Qt, QNetworkAccessManager, QNetworkReply

After the question appeared on the forum about downloading large files using the Qt library, I raised some of my projects and prepared a more detailed manual using this functionality. Moreover, the problem with downloading files was related to redirects. …

Qt → Hello Qt for Python

PyQt5, Qt, Python, PySide2

The technology providing Qt for Python will be released soon, as discussed in the Qt Company blog. We are talking about PySide2, which is the official analogue of PyQt .

Consider building a simple application that demonstrates the simplicity of …

Django → How I used FilterView instead of ListView to make filtering easier

Django, filter, django-bootstrap3, ListView

Thanks to FilterView, you can simplify and reduce the code for displaying goods, products, and so on. That will reduce the code at times! At first I used ListView and wrote a lot when in order to be able to …