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Ignoring time zones altogether in Rails and PostgreSQL
...01 00:00:00 UTC.
Postgres also has built-in knowledge of the commonly used UNIX time counting seconds from the UNIX epoch, 1970-01-01 00:00:00 UTC, and uses that in functions to_timestamp(double precision) or EXTRACT(EPOCH FROM timestamptz).
The source code:
* Timestamps, as well as the h/m/s field...
What generates the “text file busy” message in Unix?
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I think the fact that unix assumes files are "text files" is ilogical, in my case it was a binary file which prompted this error.
– Felipe Valdes
Dec 8 '17 at 1:43
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How to stop/terminate a python script from running?
... the interpreter. The mechanism for this varies by operating system.
In a Unix-style shell environment, you can press CTRL + Z to suspend whatever process is currently controlling the console. Once you get the shell prompt back, you can use jobs to list suspended jobs, and you can kill the first su...
Can you run GUI applications in a Docker container?
...get install -qqy x11-apps
ENV DISPLAY :0
CMD xeyes
__EOF__
XSOCK=/tmp/.X11-unix
XAUTH=/tmp/.docker.xauth
xauth nlist :0 | sed -e 's/^..../ffff/' | xauth -f $XAUTH nmerge -
docker run -ti -v $XSOCK:$XSOCK -v $XAUTH:$XAUTH -e XAUTHORITY=$XAUTH xeyes
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Sort array of objects by single key with date value
...n ISO format. We use new Data(iso_string).getTime() to convert ISO time to Unix timestamp. A Unix timestamp is a number that we can do simple math on. We subtract the first and second timestamp the result is; if the first timestamp is bigger than the second the return number will be positive. If the...
App Inventor 2 时间处理教程 - 时间戳转换、格式化与计算 · App Inventor 2 中文网
... 实时更新
格式化模板
常用格式
Unix时间戳转换
获取当前时间戳
时间戳转日期
日期转时间戳
时间差计算
计算两个时间的差
计算距今天多少天
使用Clock.Duration方...
Is there a Unix utility to prepend timestamps to stdin?
I ended up writing a quick little script for this in Python, but I was wondering if there was a utility you could feed text into which would prepend each line with some text -- in my specific case, a timestamp. Ideally, the use would be something like:
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What does “rc” mean in dot files
...ation
Also I've found a citation:
The ‘rc’ suffix goes back to Unix's grandparent, CTSS. It had a command-script feature called "runcom". Early Unixes used ‘rc’ for the name of the operating system's boot script, as a tribute to CTSS runcom.
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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
Following links explain x86-32 system call conventions for both UNIX (BSD flavor) & Linux:
4 Answers
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Is there a way to run Bash scripts on Windows? [closed]
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Install Cygwin, which includes Bash among many other GNU and Unix utilities (without whom its unlikely that bash will be very useful anyway).
Another option is MinGW's MSYS which includes bash and a smaller set of the more important utilities such as awk. Personally I would have prefe...