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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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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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How do I start my app on startup?
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First, you need the permission in your AndroidManifest.xml:
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
Also, in yourAndroidManifest.xml, define your service and listen for the BOOT_COMPLETED action:
<service android:name=".MyService"...
Best way to convert string to bytes in Python 3?
...e 0 is created.
So bytes can do much more than just encode a string. It's Pythonic that it would allow you to call the constructor with any type of source parameter that makes sense.
For encoding a string, I think that some_string.encode(encoding) is more Pythonic than using the constructor, becau...
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...
When - and why - should you store data in the Windows Registry?
...Solution (.NET): small amounts of fixed, read-only data stored in .config (Xml) files in same folder as application, with API to read it. (Read/write or user specific data stays in registry)
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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 ...
Is a Python dictionary an example of a hash table?
One of the basic data structures in Python is the dictionary, which allows one to record "keys" for looking up "values" of any type. Is this implemented internally as a hash table? If not, what is it?
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Android Studio rendering problems
...2.2 facing rendering issue then follow this steps.
I fixed it - in styles.xml file I changed
"Theme.AppCompat.Light.DarkActionBar"
to
"Base.Theme.AppCompat.Light.DarkActionBar"
It's some kind of hack I came across a long time ago to solve similar rendering problems in previous Android Studio ...
Instance variables vs. class variables in Python
I have Python classes, of which I need only one instance at runtime, so it would be sufficient to have the attributes only once per class and not per instance. If there would be more than one instance (which won't happen), all instance should have the same configuration. I wonder which of the follow...