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Command to get time in milliseconds
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date +%s%N returns the number of seconds + current nanoseconds.
Therefore, echo $(($(date +%s%N)/1000000)) is what you need.
Example:
$ echo $(($(date +%s%N)/1000000))
1535546718115
date +%s returns the number of seconds since the epoch, if that's useful.
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...方式来说十分重要。如果在中间更改了拓扑-即当骨干网操作员增加了新的路由器- 将破环终端节点上的应用,那么互联网将以非常快的速度陷入到崩塌的状态之中。
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...方式来说十分重要。如果在中间更改了拓扑-即当骨干网操作员增加了新的路由器- 将破环终端节点上的应用,那么互联网将以非常快的速度陷入到崩塌的状态之中。
结论
这篇文章里所描述的结构...
Difference between CR LF, LF and CR line break types?
I'd like to know the difference (with examples if possible) between CR LF (Windows), LF (Unix) and CR (Macintosh) line break types.
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简单谈谈软件配置管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...版本设置规则”来标识版本。
在配置库中各种配置项的操作权限都应严格管理。我们一般是通过目录的访问权限来控制的,所以配置库的目录结构与配置项的访问权限也有着密切的关系,配置项的权限设置的原则如下:
a)基...
ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...方式来说十分重要。如果在中间更改了拓扑-即当骨干网操作员增加了新的路由器- 将破环终端节点上的应用,那么互联网将以非常快的速度陷入到崩塌的状态之中。
结论
这篇文章里所描述的结构...
adding directory to sys.path /PYTHONPATH
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You could use:
import os
path = 'the path you want'
os.environ['PATH'] += ':'+path
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How do I check the operating system in Python?
...nux" or platform == "linux2":
# linux
elif platform == "darwin":
# OS X
elif platform == "win32":
# Windows...
sys.platform has finer granularity than sys.name.
For the valid values, consult the documentation.
See also the answer to “What OS am I running on?”
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MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...小 计时精度仅为30ms,CPU占用低,且定时器消息在多任务操作系统中的优先级很低,不能得到及时响 应,往往不能满足实时控制环境下的应用。只可以用来实现诸如位图的动态显示等对定时精度要求不高的情况。如示例工程中的...
How to measure time in milliseconds using ANSI C?
...NSI C function that provides better than 1 second time resolution but the POSIX function gettimeofday provides microsecond resolution. The clock function only measures the amount of time that a process has spent executing and is not accurate on many systems.
You can use this function like this:
s...
