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OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...已经处理的请求数
3.3 初始化成员变量listen_watcher, 每100ms触发一次对于listen的切换(回调函数easy_connection_on_listen)，实际上，在刚启动的时候，是100ms，当有IO线程抢到listen的权利后，这个timer会被改成60s，随后，每60s进行一次li...
Difference between Math.Floor() and Math.Truncate()
...divide trickery to achieve the same effect:
c = System.Math.Truncate (n * 100) / 100; // 3.14
d = System.Math.Ceiling (n * 100) / 100; // 3.15
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improv...
How does the “this” keyword work?
... //prototype
}
document.write(obj1.getVersion() + "<br />"); //v1
/*********************************************************************
3. Illustrating that the function variables added by both above
ways have their own copies across function instances
**********************...
Shell command to sum integers, one per line?
...
I have a file with 100 million numbers. The awk command takes 21s; the paste command takes 41s. But good to meet 'paste' nevertheless!
– Abhi
Jan 25 '13 at 6:07
...
糯米推全景地图 让竞争对手们如何接招？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...去某家吃饭，得看看干净卫生不，餐厅的环境是否优雅，位置是否合理，否则吃着怎么放心？怎么舒心？吃饭如此，那KTV、购物等亦是如此。而这些功能吸引了顾客，同样也可以吸引优质的商家，谁不愿意去人多的平台？环境、...
ipython: print complete history (not just current session)
...e.history.HistoryAccessor(profile='default')
profile_hist.get_session_info(100)
This will print out something like
(100, datetime.datetime(2018, 2, 13, 19, 8, 30, 40691), None, None, '')
This means that the session 100 started on the 13th of Feb 2018 19:08:30.
...
How do I position one image on top of another in HTML?
...placehold.it/50" />
<img class="image2" src="https://placehold.it/100" />
</div>
As the simplest solution. That is:
Create a relative div that is placed in the flow of the page; place the base image first as relative so that the div knows how big it should be; place the o...
ios app maximum memory budget
...d_bytes / 1024.0f / 1024.0f, total_bytes / 1024.0f / 1024.0f, used_bytes * 100.0f / total_bytes);
return used_bytes / total_bytes;
}
return 1;
}
Swift (based on this answer):
func __getMemoryUsedPer1() -> Float
{
let MACH_TASK_BASIC_INFO_COUNT = (sizeof(mach_task_basic_info...
Makefile, header dependencies
...t file gets recompiled, every time a small change is made, ie, if you have 100 source / header files, and you make a small change to only one, all 100 get recompiled.
– Nicholas Hamilton
Jun 16 '14 at 12:37
...
How to clear MemoryCache?
...here is a Trim method.
So to clear all contents you'd just do
cache.Trim(100)
EDIT:
after digging some more, it seems that looking into Trim is not worth your time
https://connect.microsoft.com/VisualStudio/feedback/details/831755/memorycache-trim-method-doesnt-evict-100-of-the-items
How do I ...