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How to check if a python module exists without importing it
I need to know if a python module exists, without importing it.
13 Answers
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hasNext in Python iterators?
Haven't Python iterators got a hasNext method?
13 Answers
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Python: Why is functools.partial necessary?
...g those "familiar with" (etc) yet think of lambda as an eyesore anomaly in Python...
He was repentant of ever having accepted it into Python whereas planned to remove it from Python 3, as one of "Python's glitches".
I fully supported him in that. (I love lambda in Scheme... while its limitations in...
ImportError: No module named MySQLdb
...ary extension, or on a platform where you cant, you can try using the pure python PyMySQL bindings.
Simply pip install pymysql and switch your SQLAlchemy URI to start like this:
SQLALCHEMY_DATABASE_URI = 'mysql+pymysql://.....'
There are some other drivers you could also try.
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Convert Python dictionary to JSON array
...alse, then the return value will be a
unicode instance subject to normal Python str to unicode
coercion rules instead of being escaped to an ASCII str.
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How do I parse an ISO 8601-formatted date?
...need to parse RFC 3339 strings like "2008-09-03T20:56:35.450686Z" into Python's datetime type.
27 Answers
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What is the difference between range and xrange functions in Python 2.X?
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In Python 2.x:
range creates a list, so if you do range(1, 10000000) it creates a list in memory with 9999999 elements.
xrange is a sequence object that evaluates lazily.
In Python 3, range does the equivalent of python's...
What are the differences between Perl, Python, AWK and sed? [closed]
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In order of appearance, the languages are sed, awk, perl, python.
The sed program is a stream editor and is designed to apply the actions from a script to each line (or, more generally, to specified ranges of lines) of the input file or files. Its language is based on ed, the Unix ...
Use different Python version with virtualenv
I have a Debian system currently running with python 2.5.4. I got virtualenv properly installed, everything is working fine. Is there a possibility that I can use a virtualenv with a different version of Python?
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How to Disable landscape mode in Android?
...ndroid:screenOrientation="portrait" to the activity in the AndroidManifest.xml. For example:
<activity android:name=".SomeActivity"
android:label="@string/app_name"
android:screenOrientation="portrait" />
EDIT: Since this has become a super-popular answer, I feel very guilty as forc...