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How to obtain a Thread id in Python?
I have a multi-threading Python program, and a utility function, writeLog(message) , that writes out a timestamp followed by the message. Unfortunately, the resultant log file gives no indication of which thread is generating which message.
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Pipe output and capture exit status in Bash
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((((someprog; echo $? >&3) | filter >&4) 3>&1) | (read xs; exit $xs)) 4>&1
echo $?
See my answer for the same question on unix.stackexchange.com for a detailed explanation and an alternative without subshells and some caveats.
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Import a file from a subdirectory?
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Try import .lib.BoxTime. For more information read about relative import in PEP 328.
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Stop an input field in a form from being submitted
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@Acorn I'm not entirely sure, but it's worth reading about. Essentially if you omit the "name" attribute value you can't access that value through any method... so it could be that the value is simply discarded by the browser. If it's pivotal to be safe for you, go for ...
How can I get the current user's username in Bash?
...current terminal (ignores EUID)
$USER variable is set correctly only after reading profile files (for example, /etc/profile)
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How to allow to accept only image files?
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you can use accept attribute for <input type="file"> read this docs http://www.w3schools.com/tags/att_input_accept.asp
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Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'
...t return an object owned by the caller can be confusing for other people reading your code.
For the record, Apple have published Transitioning to ARC Release Notes, in which they state:
You cannot give a property a name that begins with new or copy.
They’ve already been notified that the...
Using context in a fragment
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I was reading this Google blog on memory leaks...android-developers.blogspot.com/2009/01/… . If I use the getActivity() method would the app not be at risk of memory leaks? The blog suggests "Try using the context-application ins...
Recursive search and replace in text files on Mac and Linux
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For more info about this command read this lifehacker.com/5810026/…
– kuzdu
Sep 26 '18 at 14:41
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What's the best way to generate a UML diagram from Python source code? [closed]
...ith a tool named Pyreverse that draws UML diagrams from the python code it reads. Pyreverse uses graphviz as a backend.
It is used like this:
pyreverse -o png -p yourpackage .
where the . can also be a single file.
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