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live output from subprocess command

...t sys with open('test.log', 'w') as f: # replace 'w' with 'wb' for Python 3 process = subprocess.Popen(your_command, stdout=subprocess.PIPE) for c in iter(lambda: process.stdout.read(1), ''): # replace '' with b'' for Python 3 sys.stdout.write(c) f.write(c) or import sub...
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In Firebase, is there a way to get the number of children of a node without loading all the node dat

... answered Mar 1 '13 at 2:13 Andrew LeeAndrew Lee 9,74422 gold badges4141 silver badges4040 bronze badges ...
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How to check file MIME type with javascript before upload?

... 364 You can easily determine the file MIME type with JavaScript's FileReader before uploading it t...
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What does an exclamation mark mean in the Swift language?

... 534 What does it mean to "unwrap the instance"? Why is it necessary? As far as I can work out ...
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Is PowerShell ready to replace my Cygwin shell on Windows? [closed]

...the list and get to it. In all honesty, we are digging ourselves out of a 30-year-hole, so it is going to take a while. That said, if you pick up the beta of Windows Server 2008 /R2 and/or the betas of our server products, I think you'll be shocked at how quickly that hole is getting filled. With ...
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What's the difference between a catalog and a schema in a relational database?

... Hari Harker 6341111 silver badges2727 bronze badges answered Aug 11 '11 at 8:47 Mike Sherrill 'Cat Recall'Mike She...
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STL or Qt containers?

... 137 I started by using std::(w)string and the STL containers exclusively and converting to/from the...
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How to avoid reinstalling packages when building Docker image for Python projects?

... 143 Try to build a Dockerfile which looks something like this: FROM my/base WORKDIR /srv ADD ./requ...
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What's the difference between Perl's backticks, system, and exec?

...everal modules which can ease this tasks. There is IPC::Open2 and IPC::Open3 and IPC::Run, as well as Win32::Process::Create if you are on windows. share | improve this answer | ...
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PHP exec() vs system() vs passthru()

... @OZ_ I've come to the situation where I had to do very expensive computations. No PHP-Module were (is) available for that. I wrote my own C program and I invoke it with passthru(). Sometimes portability can be less important tha...