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Article			Date
C++ - Tutorial 009. Modularity	0	2782	15. 09. 2017
The idiom RAII and the principle of structured programming that a function must have one entry point and one exit point	0	1030	06. 08. 2018
Example - "Builder" design pattern in C++	0	606	18. 09. 2018
C ++ - Does the #pragma once build speed up?	0	839	10. 10. 2018
C++ - Tutorial 005. Pointers, Arrays and Loops	0	4175	06. 07. 2017
C++ - Tutorial 001. Hello World	0	6216	07. 05. 2017
C++ 17 - [[fallthrough]] attribute	0	596	23. 10. 2018
C++ - Tutorial 007. Classes	2	4466	08. 07. 2017
Example - Object Pool in C++	0	689	26. 09. 2018
Cooking lambda functions in C ++ - Part 1	0	5655	14. 02. 2018
PTZ-camera control. Pelco-D protocol	0	14609	07. 04. 2016
C++ - Tutorial 010. Namespaces	0	2785	15. 10. 2017
C++ - Tutorial 004. Tests and loops	0	8187	09. 06. 2017
C++ - Tutorial 003. Constants	1	5171	05. 06. 2017
CMake project with subdirectories and static library	0	389	13. 12. 2018
Example - Factory method in C++	0	680	24. 09. 2018
Шаблон программирования Pimpl - то, что вам следует знать	0	3626	15. 01. 2018
Cooking lambda functions in C ++ - Part 2 - Recursive lambda functions using the example of factorial calculation	0	1758	06. 07. 2018
PTZ-camera control. Protocol Pelco-P	0	9232	12. 04. 2016
Пример - Абстрактная фабрика на C++	0	852	13. 09. 2018
C++ - Tutorial 002. Types, Variables and Arithmetic	2	6487	12. 05. 2017
C ++ - Tutorial 012. static_assert, checking for errors at compile time	0	1903	02. 01. 2018
C++ - Tutorial 006. Structures	0	3796	08. 07. 2017
C++ - Tutorial 008. Enumerations	0	4193	02. 09. 2017
C++ - Tutorial 011. Exceptions	2	7077	16. 10. 2017

Last passed testsRating

Jan. 17, 2019, 11:51 a.m.

vitalir12

C ++ - Test 004. Pointers, Arrays and Loops

Result:20points,
Rating points-10

Jan. 17, 2019, 11:49 a.m.

vitalir12

C++ - Test 002. Constants

Result:50points,
Rating points-4

Jan. 17, 2019, 11:13 a.m.

vitalir12

C++ - Тест 003. Условия и циклы

Result:28points,
Rating points-10

Last comments

Jan. 16, 2019, 8:06 a.m.

IscanderChe

Qt/C++ - Lesson 004. QSqlTableModel – How to present the table from database?

Спасибо!

Jan. 16, 2019, 8:06 a.m.

IscanderChe

Qt/C++ - Lesson 004. QSqlTableModel – How to present the table from database?

Заработало. Забыл model->select(); вписать.

Jan. 16, 2019, 8:02 a.m.

IscanderChe

Qt/C++ - Lesson 004. QSqlTableModel – How to present the table from database?

Всё равно пусто, хотя строка с данными в базу добавляется.

Jan. 16, 2019, 7:51 a.m.

Евгений Легоцкой

Qt/C++ - Lesson 004. QSqlTableModel – How to present the table from database?

потому, что нужно сохранять информацию для всех остальных ролей и столбцов через вызов переопределённого метода. Да к тому же вы ещё и зациклили вызов метода data. QVariant MySqlTableModel:...

Jan. 16, 2019, 7:43 a.m.

IscanderChe

Qt/C++ - Lesson 004. QSqlTableModel – How to present the table from database?

Сделал вот так. В tableView ничего нет, кроме заголовка. QVariant MySqlTableModel::data(const QModelIndex &index, int role) const{ if (role == Qt::DisplayRole) { QTime ...

Now discuss on the forum

Jan. 18, 2019, 11:26 a.m.

nayk1982

Sleep в приложении для Android

Для Desktop делал так: void pause(int ms){ QTimer timer; timer.setInterval( qBound(1, ms, 3600000) ); timer.setSingleShot(true); QEventLoop loop; QObject::connect(&...