Fiber Optic Transmission Lines

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Article		Date
FOTL - Tutorial 008. Installation of optical couplers	12200	02. 08. 2015
FOTL - Tutorial 003. The attenuation in the optical fiber	26550	29. 06. 2015
FOTL - Tutorial 006. Installation of fiber-optic communication lines	8310	29. 07. 2015
FOTL - Tutorial 007. Structure and classification of optical couplers	8812	01. 08. 2015
FOTL - Tutorial 010. Measurement of losses by optical testers	4677	06. 09. 2015
FOTL - Tutorial 001. The optical fiber - operating principle	6130	28. 06. 2015
FOTL - Tutorial 002.The optical fiber and its types	7210	28. 06. 2015
FOTL - Tutorial 009. Passive Components FOL	7176	03. 08. 2015
FOTL - Tutorial 011. The operating principle of OTDR	5075	11. 09. 2015
FOTL - Tutorial 005. Fiber-optic cables. Classification	14809	28. 07. 2015
FOTL - Tutorial 004. Dispersion in the optical fiber	22922	29. 06. 2015

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

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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(&...