大约有 2,300 项符合查询结果(耗时:0.0236秒) [XML]

https://stackoverflow.com/ques... 

Java synchronized static methods: lock on object or class

...edException { for (int i = 0; i < 10; i++) { Thread.sleep(100); System.out.println(Thread.currentThread().getName() + " " + i); } } public synchronized void objLock() throws InterruptedException { for (int i = 0; i < 10; i++) { ...
https://stackoverflow.com/ques... 

Is there a way to use shell_exec without waiting for the command to complete?

... be any command you want. But for a test, you can create a php file with a sleep(20) command it. exec("nohup /usr/bin/php -f sleep.php > /dev/null 2>&1 &"); share | improve this answ...
https://stackoverflow.com/ques... 

Reverting single file in SVN to a particular revision

...wered Feb 24 '15 at 15:35 Never Sleep AgainNever Sleep Again 1,04577 silver badges88 bronze badges ...
https://stackoverflow.com/ques... 

How to read keyboard-input?

...he input_str. # The rest of your program goes here. time.sleep(0.01) print("End.") if (__name__ == '__main__'): main() 2. Same Python 3 code as above, but with extensive explanatory comments: """ read_keyboard_input.py Gabriel Staples www.ElectricRCAircraftGuy.com 14...
https://stackoverflow.com/ques... 

How do you print in a Go test using the “testing” package?

...lel() for i := 0; i < 15; i++ { t.Logf("%d", i) time.Sleep(3 * time.Second) } } func TestBar(t *testing.T) { t.Parallel() for i := 0; i < 15; i++ { t.Logf("%d", i) time.Sleep(2 * time.Second) } } func TestBaz(t *testing.T) { t.Parallel() ...
https://www.tsingfun.com/it/tech/453.html 

Postfix发信的频率控制几个参数 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...不同的措施来防止恶意用户的拒绝服务攻击。 smtpd_error_sleep_time:当该错误计数器的值还很小时,postfix将暂停 smtpd_error_sleep_time指定的时间,然后向客户端报告一个错误。该参数的缺省值为5秒。 smtpd_soft_error_limit:当错误计数...
https://bbs.tsingfun.com/thread-515-1-1.html 

关于php的socket初探 - PHP - 清泛IT论坛,有思想、有深度

...该模式的一个实现,socket即是一种特殊的文件,一些socket函数就是对其进行的操作(读/写IO、打开、关闭) 既然Unix/Linux是将socket以一种io的形式来编程实现,那对于socket的研究必然有几个概念要理解: 1、阻塞/非阻塞:这两个...
https://www.tsingfun.com/it/cpp/1299.html 

CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术

...t make: *** [test] Error 8 4、Step4 检查系统是否支持log和exp函数。(log和exp都是数学运算函数) 检查方法: (1)顶层配置中使用CheckFunctionExists.cmake # does this system provide the log and exp functions? include (CheckFunctionExists.cmake) check_funct...
https://stackoverflow.com/ques... 

Is there a Python caching library?

... print ci cd = CachedDict() print cd.get('a', fn, 5) time.sleep(2) print cd.get('a', fn, 6) print cd.get('b', fn, 6) time.sleep(2) print cd.get('a', fn, 7) print cd.get('b', fn, 7) share...
https://www.tsingfun.com/it/bigdata_ai/335.html 

MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...ay的单位是秒 在192.168.1.1主节点删除一个集合所有数据,模拟人为失误。 在192.168.1.3查看,发现数据已经全部丢失。 而在192.168.1.2延迟节点,可以看到因为延迟复制的缘故,数据还在。 这个时候千万不要提升延迟节点的优...