Linux → SNAP Tutorial 02. Sample snap package of Qt 5.11.0 based application

snap

I would like to welcome everyone to the continuation of the topic concerning a self-sufficient snap package.
A lot of time has passed since the publication of the previous article in which I began to acquaint you with snap technology …

EVILEG → Replacing WYSIWYG Editor with Markdown Editor

markdown, ESNF-C, EVILEG

After lengthy attempts to cope with JavaScript and its glitches in different browsers, I refused to write a WYSIWYG editor.

Thanks to the community (a survey was conducted in the public in VKontakte), which also shares my point on this …

MySQL → MySQL SuSe Leap 15 Initial Setup

Leap 15, SuSE, mysql, MariaDB

Mysql is not installed in SuSe by default. Install MariaDB instead
Haven't felt any difference yet.

So the server is installed. Let's check if it is running in the system.
What I like SuSE from the first meeting is Yast. …

Qt → SuSe Leap 15, Qt 5.11.3, installation, configuration, database drivers

Qt, install, drivers, Fierbird, SuSE, QMYSQL, IBASE, mysql

Another reinstallation of the OS in connection with the replacement of iron.

Installed Suse Leap 15.

According to article we install development packages and Qt itself.

We make a simple project for verification. We are trying to collect. We are …

Boost → Boost - Use enum in parameters boost::program_options

options, class enum, Program, Boost

A small addition to the article on the use of boost::program_options .

In this appendix I will describe how to use enum enums. Because immediately they do not work. By default, boost::program_options work only with basic types and some types …

Linux → Using getopts in bash scripts to pass parameters

Linux, Bash, getopts

When developing a site to automate the deployment process, I wrote several bash scripts.

To customize the behavior of scripts, I use the transfer of arguments, which are handled in the bash script by the getopts library.

Getopts

Scripts typically …

Boost → Boost - static linking in CMake project under Windows

cpp, Boost, linking, C++, static

A small note about static linking Boost, so as not to forget.

Initial data:

• OS Windows
• MSVC 2017 64bit
• Boost 1.68.0
• CMake project

An example will be shown in the simplest version without special variable settings. Maximum default.

Step 1 …

Java → Several ways to synchronize processes and threads in Java

processes, threads, synchronization, Java

I propose to consider several ways to synchronize threads and processes that are most commonly used in Java. They differ in implementation and use cases. We will consider all methods on interesting examples.

Critical section

This method is suitable for …

Qt → Qt/C++ Tutorial 087. Get the maximum number of multiple input fields QLineEdit

QLineEdit, max, Qt

Напишем небольшое приложение для получения максимального числа из нескольких полей QLineEdit.

This means that we will have several QLineEdit fields, let's say 4 pieces into which numbers will be entered. And there will be the fifth field QLineEdit in which …

Qt → Qt - Selecting data from a QSqlQuery database in a QThread stream and creating a QAbstractTableModel model based on it

QThread, Qt, QAbstractTableModel, QSqlQuery

There was a need to obtain a large amount of data from the database for the subsequent work of the user with them (Reference book of goods in a particular store).

For the code do not kick much. Programming for …