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mmap() vs. reading blocks
...g to find the final word on mmap / read performance on Linux and I came across a nice post (link) on the Linux kernel mailing list. It's from 2000, so there have been many improvements to IO and virtual memory in the kernel since then, but it nicely explains the reason why mmap or read might be fas...
What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
...ce of code a little bit later on the same thread, I use this:
new android.os.Handler().postDelayed(
new Runnable() {
public void run() {
Log.i("tag", "This'll run 300 milliseconds later");
}
},
300);
.. this is pretty much equivalent to
setTimeout(
func...
tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...
...TIME_WAIT状态下的socket不能被回收使用。 具体现象是对于一个处理大量短连接的服务器，如果是由服务器主动关闭客户端的连接，将导致服务器端存在大量的处于TIME_WAIT状态的socket，甚至比处于Established状态下的socket多的多，严重...
python location on mac osx
I'm a little confused with the python on osx. I do not know if the previous owner of the laptop has installed macpython using macport. And I remembered that osx has an builtin version of python. I tried using type -a python and the result returned
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阿里的线下野心 - 资讯 - 清泛网 - 专注C/C++及内核技术
...心主任郭增利表示，淘宝、天猫对传统零售业而言无疑是一个巨大的流量平台，线上线下融合的发展模式也成为业内共识，“喵街实体零售平台的构想为零售业描绘了一个美好愿景，但短期内尚难实现”。
事实上，伴随着近年...
How accurate is python's time.sleep()?
...
The accuracy of the time.sleep function depends on your underlying OS's sleep accuracy. For non-realtime OS's like a stock Windows the smallest interval you can sleep for is about 10-13ms. I have seen accurate sleeps within several milliseconds of that time when above the minimum 10-13ms.
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Can you do a partial checkout with Subversion?
...directories under trunk/ with lots of files in each and only needed 3 of those directories, would it be possible to do a Subversion checkout with only those 3 directories under trunk?
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How to make the hardware beep sound in Mac OS X 10.6
I just want that Mac OS X 10.6 does a hardware beep sound like in open suse and other distributions. I tried following approaches
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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
Since setting up my development environments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly.
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Where does Jenkins store configuration files for the jobs it runs?
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Whether its possible to get config.xml when we create jenkins job via pipeline method?
– Manigandan Thanigai Arasu
May 8 '19 at 9:02
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