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Is there a Unix utility to prepend timestamps to stdin?
...is is because ruby is buffering the output; if you flush the buffer before sleeping it works well enough: ruby -e "puts 1; STDOUT.flush; sleep 1; puts 2; STDOUT.flush; sleep 2; puts 3" | ts '%F %T'
– umläute
Jan 12 '17 at 15:04
...
Meaning of Choreographer messages in Logcat [duplicate]
...anvas canvas) {
super.onDraw(canvas);
long sleep = (long)(Math.random() * 1000L);
setText("" + sleep);
try {
Thread.sleep(sleep);
} catch (Exception exc) {}
}
});
}
}
... whi...
boost::filesystem指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...程序一直有一个方面不能做可移植性，尽管标准库有几个函数用于操作与文件系统相关的任务，但是这几个函数作用相对我们日常对文件系统操作的需求来说真是杯水车薪，所以对目录、路径、文件元信息的操作一直难以做可移...
解决：CTreeCtrl控件SetCheck无效的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...侧
都有一个按钮，用来表示节点的选择状态。通过两个函数SetCheck / GetCheck来设置和获取指定
节点的选择状态。
但是奇怪的是，在对话框中按照常规的方法使用了SetCheck，最后CTreeCtrl并没有显示节点被选
中，下面是测试例子...
Threading pool similar to the multiprocessing Pool?
...ame__ == '__main__':
from random import randrange
from time import sleep
delays = [randrange(1, 10) for i in range(100)]
def wait_delay(d):
print 'sleeping for (%d)sec' % d
sleep(d)
pool = ThreadPool(20)
for i, d in enumerate(delays):
pool.add_task...
How does the ARM architecture differ from x86? [closed]
...ay it back, and repeat. Even a really fast processor can't spend much time sleeping, so for tasks like this, ARM does really well.
Intel's processors (especially their Atom processors, which are actually intended for low power applications) are extremely competitive in terms of energy consumption. W...
如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...作主观要服从客观，“交易有依据、欲望要消除”；
B) 模拟操作不可少，即使不交易，依然要“仔细看盘、仔细复盘、揣摩多空主力的思路、勤动脑多实践”，最终做到“正确地知行合一”。
系统交易，即按照一套交易系统...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...HQ CPU (4 cores / 8 threads), 2x Samsung M471A2K43BB1-CRC RAM (2x 16GiB).
sleep
Non-busy sleep does not count in either user or sys, only real.
For example, a program that sleeps for a second:
#define _XOPEN_SOURCE 700
#include <stdlib.h>
#include <unistd.h>
int main(void) {
sle...
Javascript switch vs. if…else if…else
... doExplode();
},
'hibernate': function() {
if (status() == 'sleeping') return;
// ... I can't keep making this stuff up
},
// ...
};
var thisFun = map[funCode];
if (thisFun) thisFun();
}
Setting up multi-way branching by creating an object has a lot of advantage...
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
...HWND间的映射关系（合法的修改途径：映射可以被Cwnd成员函数Detach,Attach所改变），再者可以确保使用窗口的安全性,避免出现访问违规等状况,如使用临时对象就很容易出现这种断言失败。
每个界面线程都有自身的映射表，TLS(线...