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Named regular expression group “(?Pregexp)”: what does “P” stand for?
In Python, the (?P<group_name>…) syntax allows one to refer to the matched string through its name:
3 Answers
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NullPointerException accessing views in onCreate()
... wizard-generated code.
The view is in the fragment layout (fragment_main.xml) and not in the activity layout (activity_main.xml). onCreate() is too early in the lifecycle to find it in the activity view hierarchy, and a null is returned. Invoking a method on null causes the NPE.
The preferred so...
How do I access command line arguments in Python?
I use python to create my project settings setup, but I need help getting the command line arguments.
8 Answers
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How can I make one python file run another? [duplicate]
How can I make one python file to run another?
8 Answers
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Understanding Spring @Autowired usage
...towired annotation spares you the need to do the wiring by yourself in the XML file (or any other way) and just finds for you what needs to be injected where, and does that for you.
Full explanation
The @Autowired annotation allows you to skip configurations elsewhere of what to inject and just do...
Embedding Python in an iPhone app
... a new millennium; Apple has waved their hand; it's now legal to include a Python interpreter in an iPhone (App Store) app.
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How to execute multi-line statements within Python's own debugger (PDB)
So I am running a Python script within which I am calling Python's debugger, PDB by writing:
6 Answers
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Learning Python from Ruby; Differences and Similarities
I know Ruby very well. I believe that I may need to learn Python presently. For those who know both, what concepts are similar between the two, and what are different?
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Install a Python package into a different directory using pip?
...nstall-option to multiple times to add any of the options you can use with python setup.py install (--prefix is probably what you want, but there are a bunch more options you could use).
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Changes in import statement python3
...─ derived.py
Now, your derived.py requires something from base.py. In Python 2, you could do it like this (in derived.py):
from base import BaseThing
Python 3 no longer supports that since it's not explicit whether you want the 'relative' or 'absolute' base. In other words, if there was a Pyt...