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What's the difference between subprocess Popen and call (how can I use them)?
I want to call an external program from Python. I have used both Popen() and call() to do that.
2 Answers
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Filter output in logcat by tagname
I'm trying to filter logcat output from a real device (not an emulator) by tag name but I get all the messages which is quite a spam. I just want to read messages from browser which should be something like "browser: " or "webkit: " , but it doesn't work...
Here it is what I get:
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How can I print the contents of a hash in Perl?
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Sorry, down vote from me for stuff that hijacks comments for actual functionality. A maintenance programmer could spend all day trying to work out why code like that was printing out unexpected stuff.
– MikeKulls
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How do I update an NPM module that I published?
...the npm docs.
npm install yourModule will then install the latest version from the NPM registry.
I found the last answer a little misleading, sorry.
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How do I clear my local working directory in Git? [duplicate]
...rko posted)
Stack Overflow question "How to remove local (untracked) files from the current Git working tree")
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CSS to stop text wrapping under image
...capable of triggering that behaviour. Quoting a presentation by Fiona Chan from Sydney Web Apps Group:
float: left / right
overflow: hidden / auto / scroll
display: table-cell and any table-related values / inline-block
position: absolute / fixed
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animating addClass/removeClass with jQuery
...ss and toggleClass also accepts a second argument; the time duration to go from one state to the other.
$(this).addClass('abc',1000);
See jsfiddle:- http://jsfiddle.net/6hvZT/1/
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Difference between java.io.PrintWriter and java.io.BufferedWriter?
...anipulate text files correctly.
The BufferedReader permits to read a text from file, with bytes converted in characters. It allows to read line by line.
There is no PrintReader, you have to choose another Reader implementation according to the format of your input.
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How to add image to canvas
...n context.drawImage(base_image, 0, 0, 200, 200);. That would draw base_img from 0px position, with draw area of 200x200px.
– m3nda
Feb 16 '15 at 4:52
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Media Player called in state 0, error (-38,0)
...er, but for slow devices, the media player just did not play some time and from LogCat it had many complain about called in wrong state. So I resolved it by calling putting the call to start(), pause(),... in onPrepared() method of OnPreparedListener() as below:
mediaPlayer.prepare();
mediaPlayer.s...