qtconcurrent

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QtConcurrent::blockingMapped() and std::vector<> bug

It seems that QtConcurrent works fine with QT containers (QList and QVector), but fails with the STL containers, as opposed to what is claimed in the documentation[详细]

2023-03-21 10:10 分类：问答
Using QtConcurrent to load a Pixmap and paint it

I\'m trying to create a Tile rendering program. Heres some basic code. Header class Tile: public QGraphicsItem[详细]

2023-03-05 01:33 分类：问答
QFuture that can be cancelled and report progress

The QFuture class has methods such as cancel(), progressValue(), etc. These can apparently be monitored via a QFutureWatcher. However, the documentation for QtConcurrent::run() reads:[详细]

2023-02-20 02:53 分类：问答
What happens to the thread affinity of a QObject created within a worker thread which then terminates?

Let\'s say I call QtConcurrent::run() which runs a function in a worker thread, and in that function I dynamically allocate several QObjects (for l开发者_C百科ater use). Since they were created in the[详细]

2023-02-19 06:20 分类：问答
QtConcurrent in QT for Symbian

I have a question about supporting of QtConcurrent in Qt for Symbian. I use Qt 4.6.2 but I\'dont understant how to use QtConcurrent. All works fine on Wice platform in the same version of QT, but does[详细]

2023-01-13 18:52 分类：问答
大连海参多少钱一斤啊？？

我是王八蛋1111 2022-05-29 05:44 截止到2019年12月10日，7年大连淡干海参干货野生3980元一斤。[详细]

2022-12-18 19:57 分类：问答
Large number of simultaneous long-running operations in Qt

I have some long-running operations that number in the hundreds.At the moment they are each on their own thread.My main goal in using threads is not to speed these operations up.The more important thi[详细]

2022-12-15 04:02 分类：问答
Updating a QProgressDialog with a QFuture

What\'s the proper way for the main GUI thread to update a QProgressDialog while waiting for a QFuture. Specifically, what goes in this loop:[详细]

2022-12-14 04:08 分类：问答