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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...
pip broke. how to fix DistributionNotFound error?
...e.
I think this is how you should do it nowadays..
$ sudo apt-get install python-pip python-dev build-essential
$ sudo pip install --upgrade pip
$ sudo pip install --upgrade virtualenv
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Installing SciPy with pip
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An attempt to easy_install indicates a problem with their listing in the Python Package Index, which pip searches.
easy_install scipy
Searching for scipy
Reading http://pypi.python.org/simple/scipy/
Reading http://www.scipy.org
Reading http://sourceforge.net/project/showfiles.php?group_id=27747&a...
Emacs bulk indent for Python
Working with Python in Emacs if I want to add a try/except to a block of code, I often find that I am having to indent the whole block, line by line. In Emacs, how do you indent the whole block at once.
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How to turn on line numbers in IDLE?
...wise there are a bunch of other IDEs some of which are free: https://wiki.python.org/moin/IntegratedDevelopmentEnvironments
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Does Python support multithreading? Can it speed up execution time?
I'm slightly confused about whether multithreading works in Python or not.
3 Answers
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How To Get IPython Notebook To Run Python 3?
I am new to Python to bear with me.
9 Answers
9
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
Recently I am using Python module os, when I tried to change the permission of a file, I did not get the expected result. For example, I intended to change the permission to rw-rw-r--,
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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...
Does Python have a package/module management system?
Does Python have a package/module management system, similar to how Ruby has rubygems where you can do gem install packagename ?
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