-Warc-maybe-repeated-use-of-weak "weak %select{variable|property|implicit property|instance variable}0 %1 may be accessed multiple times in this %select{function|method|block|lambda}2 and may be unpredictably set to nil assign to a strong variable to keep the object alive -Warc-non-pod-mema...
我使用QSignalMap进行信号关联时,发现信号激活不了,代码如下: signal_map = QSignalMapper() menu = QMenu() action = QAction("aaa") signal_map.setMapping(action, "aaa") action.triggered.connect(signal_map.map) menu.addAction(action) signal_map.mapped.connect(lambda x: print(x)) #这个槽没有...
The main consequence is that you should use pointers to QObject (or to your QObject subclass) where you might otherwise betemptedto use your QObject subclass as a value. For example, without a copy constructor, you can't use a subclass of QObject as the value to be stored in one of ...
The LightJet printers, joined by the similar laser chromogenic Durst Lambda and the ZDE Chromira are still in use. The Lambba is a more efficient printer, however, from the samples I have seen, the prints are not as sharp as the LighJet’s. Both of those printers use lasers and cost...
The LightJet printers, joined by the similar laser chromogenic Durst Lambda and the ZDE Chromira are still in use. The Lambba is a more efficient printer, however, from the samples I have seen, the prints are not as sharp as the LighJet’s. Both of those printers use lasers and cost...
Consider ‘killing’ your servers periodically or use ‘serverless’ platform (e.g. AWS Lambda) that explicitly enforces a stateless behavior Otherwise: Failure at a given server will result in application downtime instead of just killing a faulty machine. Moreover, scaling-out elasticity will ...
$$ \phi _{GR}=\omega _{0}\tau _{GR}\sim (1+\alpha )\frac{2\pi}{\lambda} \frac{g h \ell}{c^{2}}, $$ (8) where\(\omega _{0}\)andλare respectively the central frequency and vacuum wavelength of the photon emitted by the source in its reference frame,\(\tau _{GR}...
-Warc-maybe-repeated-use-of-weak "weak %select{variable|property|implicit property|instance variable}0 %1 may be accessed multiple times in this %select{function|method|block|lambda}2 and may be unpredictably set to nil assign to a strong variable to keep the object alive ...