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Multiprocessing - Pipe vs Queue
What are the fundamental differences between queues and pipes in Python's multiprocessing package ?
2 Answers
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When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
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Since jQuery 1.8 .then behaves the same as .pipe:
Deprecation Notice: As of jQuery 1.8, the deferred.pipe() method is deprecated. The deferred.then() method, which replaces it, should be used instead.
and
As of jQuery 1.8, the deferred.then() method returns a new pr...
为什么你有10年经验，但成不了专家？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...秀的人？更残酷的是，他们在自己的领域内，几乎永远也无法达到或者接近伟大的水平。
心理学家Ericsson的研究发现：决定伟大水平和一般水平的关键因素，既不是天赋，也不是经验，而是『刻意练习』的程度。
刻意练习...
MediaNotification 媒体通知扩展：管理媒体播放器通知，支持播放控制 · Ap...
...隐藏”。只有属性 Name 和 Description 以后可以更改。否则无法消除拼写错误。
因此应仔细考虑将哪些属性分配给通道。
扩展提供 ChannelID、ChannelName、ChannelDescription 和 ChannelImportance 作为通道属性。ChannelImportence定义了显示通知的...
How can I pipe stderr, and not stdout?
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First redirect stderr to stdout — the pipe; then redirect stdout to /dev/null (without changing where stderr is going):
command 2>&1 >/dev/null | grep 'something'
For the details of I/O redirection in all its variety, see the chapter on Redirections ...
Pipe subprocess standard output to a variable [duplicate]
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To get the output of ls, use stdout=subprocess.PIPE.
>>> proc = subprocess.Popen('ls', stdout=subprocess.PIPE)
>>> output = proc.stdout.read()
>>> print output
bar
baz
foo
The command cdrecord --help outputs to stderr, so you need to pipe tha...
How to detect if my shell script is running through a pipe?
...shell script if its standard output is being sent to a terminal or if it's piped to another process?
6 Answers
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IPC performance: Named Pipe vs Socket
Everyone seems to say named pipes are faster than sockets IPC. How much faster are they? I would prefer to use sockets because they can do two-way communication and are very flexible but will choose speed over flexibility if it is by considerable amount.
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How to use `subprocess` command with pipes
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To use a pipe with the subprocess module, you have to pass shell=True.
However, this isn't really advisable for various reasons, not least of which is security. Instead, create the ps and grep processes separately, and pipe the outpu...
Is it possible to pass a flag to Gulp to have it run tasks in different ways?
...ulp.src(argv.a == 1 ? options.SCSS_SOURCE : options.OTHER_SOURCE)
.pipe(sass({style:'nested'}))
.pipe(autoprefixer('last 10 version'))
.pipe(concat('style.css'))
.pipe(gulp.dest(options.SCSS_DEST));
});
You can also combine it with gulp-if to conditionally pipe the ...