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What is the difference between a string and a byte string?
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Assuming Python 3 (in Python 2, this difference is a little less well-defined) - a string is a sequence of characters, ie unicode codepoints; these are an abstract concept, and can't be directly stored on disk. A byte string is a sequ...
Matrix Transpose in Python
I am trying to create a matrix transpose function for python but I can't seem to make it work.
Say I have
18 Answers
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Combine --user with --prefix error with setup.py install
I was trying to install Python packages a system I recently gained access to. I was trying to take advantage of Python's relatively new per user site-packages directory , and the new option --user . (The option is currently undocumented , however it exists for Python 2.6+; you can see the help by...
Determine if the device is a smartphone or tablet? [duplicate]
... set a boolean value in a specific value file (as res/values-sw600dp/attrs.xml):
<resources>
<bool name="isTablet">true</bool>
</resources>
Because the sw600dp qualifier is only valid for platforms above android 3.2. If you want to make sure this technique works on all...
Python AttributeError: 'module' object has no attribute 'Serial' [duplicate]
I'm trying to access a serial port with Python 2.6 on my Raspberry Pi running Debian.
My script named serial.py tries to import pySerial:
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How do I correctly clean up a Python object?
..._del__(self) above fails with an AttributeError exception. I understand Python doesn't guarantee the existence of "global variables" (member data in this context?) when __del__() is invoked. If that is the case and this is the reason for the exception, how do I make sure the object destructs ...
How to use “raise” keyword in Python [duplicate]
...ped that in and got "global name 'error' is not defined". To others new to Python, you need "raise Exception('My error!')". You replace "error" with your Exception name. A list of standard exceptions you can use is here: docs.python.org/2/library/exceptions.html
– Curtis Yallop...
Why can't Python find shared objects that are in directories in sys.path?
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sys.path is only searched for Python modules. For dynamic linked libraries, the paths searched must be in LD_LIBRARY_PATH. Check if your LD_LIBRARY_PATH includes /usr/local/lib, and if it doesn't, add it and try again.
Some more information (source):
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Change Tomcat Server's timeout in Eclipse
...Tomcat reads this setting from the element in the element in the servers.xml file. This file is stored in the .metatdata/.plugins/org.eclipse.wst.server.core
directory of your eclipse workspace, ie:
//.metadata/.plugins/org.eclipse.wst.server.core/servers.xml
There are other juicy configuratio...
How to delete a file or folder?
How do I delete a file or folder in Python?
13 Answers
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