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How do I prevent an Android device from going to sleep programmatically?
...PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");
wl.acquire();
// screen and CPU will stay awake during this section
wl.release();
There's also a table on this page that describes the different kinds of wakelocks.
Be aware that some caution needs to be taken when using wake locks. Ensure that you ...
创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
创建增量同步Oracle物化视图问题我们采用Oracle的物化视图增量刷新机制定时将数据库A上的某个表的数据同步到另一个数据库B上。我们常用的最简单的实现步骤是这样。首先在数...我们采用Oracle的物化视图增量刷新机制定时将数...
线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
线程访问窗口资源的问题在开个线程时常为所开的线程传入个窗口参数（cwnd），这里里面有个很大的隐患就是当做CWnd::AssertValid()检查，就会遇到断言失败。具...时常为所开的线程传入个窗口参数 （cwnd），这里里面有个很大的...
“21天教你学会C++” - 创意 - 清泛网 - 专注C/C++及内核技术
...未命中的情况），从磁盘上读取连续的数据要多长时间，定位到磁盘上的新位置又要多长时间。（答案在这里）
尝试参与到一项语言标准化工作中。可以是ANSI C++委员会，也可以是决定自己团队的编码风格到底采用2个空格的缩...
How can I use threading in Python?
...ses threads instead (an important distinction - use multiple processes for CPU-intensive tasks; threads for (and during) I/O):
multiprocessing.dummy replicates the API of multiprocessing, but is no more than a wrapper around the threading module.
import urllib2
from multiprocessing.dummy import Po...
pycharm running way slow
...ly proper way to fix your specific performance problem is by capturing the CPU profiler snapshot as described in this document and sending it to PyCharm support team, either by submitting a ticket or directly into the issue tracker.
After the CPU snapshot is analyzed, PyCharm team will work on a fi...
How do I avoid the specification of the username and password at every git push?
... I ran step 1 and step 2 on ubuntu but it still asks me for u_id passwd. I also ran: ssh -T git@github.com. Still the same. What to do?
– Radhika
Jan 7 '15 at 7:24
4
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How to print the ld(linker) search path
... first paths, without hwcap in the line, are either built-in or read from /etc/ld.so.conf.
The linker can then search additional directories under the basic library search path, with names like sse2 corresponding to additional CPU capabilities.
These paths, with hwcap in the line, can contain additi...
How can I get Docker Linux container information from within the container itself?
...be the short container id in Docker 1.12
root@d2258e6dec11:/project# cat /etc/hostname
d2258e6dec11
Externally
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d2258e6dec11 300518d26271...
从一个开发的角度看负载均衡和LVS - 更多技术 - 清泛网 - 专注C/C++及内核技术
...允许的情况下我们会采用软负载，软负载解决的两个核心问题是：选谁、转发，其中最著名的是LVS（Linux Virtual Server）。
三、软负载——LVS
LVS是四层负载均衡，也就是说建立在OSI模型的第四层——传输层之上，传输层上有...