基于序列化与反序列化,在此我只是举一个例子,For example: class student{private $name;private $age;private $address;public function __construct($name,$age,$address){$this->name$name;$this->age$age;$this->address$address; }publ…
转自: http://blog.csdn.net/zzjjiandan/article/details/23828953
yield和sleep的区别
JDK1.5.0的API文档里的描述: yield:Causes the currently executing thread object to temporarily pause and allow other threads to execute. sleep:Causes the currentl…
三种等待方式:sleep
强制等待, sleep,设置等待多长时间,就要等待多长时间。等待完成后,才会继续下一步:
from selenium import webdriver
# 导入sleep
from time import sleep# 创建谷歌浏览器对象
chrom…
sleep原理
sleep是Thread类中的静态方法,首先看下sleep的源码
/*** Causes the currently executing thread to sleep (temporarily cease* execution) for the specified number of milliseconds, subject to* the precision and accuracy of system timers and …