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How to get start and end of day in Javascript?
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add .unix() at the end to get unix timestamp in seconds :) like this: moment().startOf('day').unix()
– Lukas Liesis
Jul 13 '17 at 18:58
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What are file descriptors, explained in simple terms?
...make your life easier. In C, stdin, stdout, and stderr are FILE*, which in UNIX respectively map to file descriptors 0, 1 and 2.
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CruiseControl.Net 进行持续化集成 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术
...很多中小软件厂商的关注。那么敏捷除了一些经常谈论到编程思维和迭代的开发模式等，其实还部分依赖于好的改善工作流程的工具。持续化集成工具便是服务于敏捷软件开发的一个系列。它主要将原本分散，无序的工作流程，...
Where does gcc look for C and C++ header files?
On a Unix system, where does gcc look for header files?
9 Answers
9
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Timeout on a function call
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You may use the signal package if you are running on UNIX:
In [1]: import signal
# Register an handler for the timeout
In [2]: def handler(signum, frame):
...: print("Forever is over!")
...: raise Exception("end of time")
...:
# This function *may* run for a...
Can you Run Xcode in Linux?
Can you run Xcode in Linux? Mac OS X was based on BSD Unix, so is it possible?
13 Answers
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How to identify platform/compiler from preprocessor macros?
...: without it, it's not msdn official!
// Windows (x64 and x86)
#elif __unix__ // all unices, not all compilers
// Unix
#elif __linux__
// linux
#elif __APPLE__
// Mac OS, not sure if this is covered by __posix__ and/or __unix__ though...
#endif
EDIT: Although the above might work f...
Calculate the date yesterday in JavaScript
...date object based on the value of "now" as an integer which represents the unix epoch in milliseconds subtracting one day.
Two days ago:
var twoDaysAgo = new Date((new Date()).valueOf() - 1000*60*60*24*2);
An hour ago:
var oneHourAgo = new Date((new Date()).valueOf() - 1000*60*60);
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App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...实物计算器，给用户一种良好的使用体验。但对于我们的编程过程来说，还是应该从实现最简单的功能入手，先实现常规操作，否则将会迷失在各种不确定之中。一、输入数字（1）设置三个全局变量：前数、后数、算符如第一...
bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...加喜欢用tracepoints探针，因为tracepoints有稳定的应用程序编程接口。注意：现代linux系统(glibc >= 2.26)，open总是调用openat系统调用。
comm是内建变量，代表当前进程的名字。其它类似的变量还有pid和tid，分别表示进程标识和线程标...