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- Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time. 回调函数有两个本质的缺点,第一,它们并不基于类型安全,你永远都不能确定调用者是否通过正确的函数签名来调用“回调函数”;
- signal and slot mechanism 信号与槽机制
- Test automatic connection management of signals and slots. 测试信号和插槽的自动连接管理。
- Together, signals and slots make up a powerful component programming mechanism. 就这样,信号与槽构成了强大的组件编程机制。
- Signals and slots are loosely coupled: A class which emits a signal neither knows nor cares which slots receive the signal. (实际上,槽有可能拥有比它接收的信号更短的签名,因为槽能够忽略具体的函数形参。)
- You buy this bookcase in sections and slot them together. 你分组件买这个书橱, 再把它们卡榫对准组合在一起。
- Material movement signal and current signal. 物料移动信号及电机电流信号。
- Used in low signal and time constant circuits. 适用于低信号电路、时间常数电路。
- Turn right at the signal and go straight. 到红绿灯右转,然后直走。
- While errors of this sort would not be catastrophic for a signals and slots implementation, their detection is generally nontrivial. 虽然这种错误对于信号插槽库实现来说并不是灾难性的,但是要检测它们通常并不简单。
- Agree on retreat signal and report. 商定撤退信号并报告。
- Pteserve the embolus signal and survey parameters. 预设栓子信号探测阈值。
- This paper presents a method of calculating the static sliding friction factor between zigzag slot and pin.A brief description of the fuse zigzag slot mechanism is given. 摘要该文给出了求解惯性筒上的曲折槽与销之间的滑动静摩擦系数的一种方法,介绍了引信曲折槽机构。
- Bruce ignored the stop signal and was hit by a taxi. 布鲁斯没注意停车信号而被计程车撞倒。
- signal and slot 信号与槽
- BATTERY TEMP SENSOR SIGNAL AND SENSOR GROUND CKTS FOR RESISTANCE. 电池温度感知器信号和感知器接地电路S的电阻。
- Comply with the lane use signal and observe the speed limit. 遵从行车线信号及车速限制。
- Because of the line contact or even point contact between zigzag slot and pin, its friction is different and needs to be studied.The mathematical model of the fuse zigzag slot mechanism is built. 由于惯性筒上的曲折槽与销间的为线接触甚至点接触,因此针对此处较为特殊的摩擦系数进行研究。
- The main thread waits for all the items to signal and then exits. 主线程等待所有项发出信号后退出。
- He ignored the traffic signal and caused an accident. 他无视交通信号,从而引起了交通事故。