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Serializing class instance to JSON
...t of object types by default, all built-in types. List here: https://docs.python.org/3.3/library/json.html#encoders-and-decoders
One good solution would be to make your class inherit from JSONEncoder and then implement the JSONEncoder.default() function, and make that function emit the correct JSO...
Find the division remainder of a number
How could I go about finding the division remainder of a number in Python?
12 Answers
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What's the simplest way to subtract a month from a date in Python?
...=d,month=m, year=y)
Info on monthrange from Get Last Day of the Month in Python
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What is the difference between encode/decode?
...ason -- see below). It is mainly there for historical reasons, i think. In Python 3 it is completely gone.
unicode().decode() will perform an implicit encoding of s using the default (ascii) codec. Verify this like so:
>>> s = u'ö'
>>> s.decode()
Traceback (most recent call last...
Converting HTML files to PDF [closed]
...eal problem with Flying Saucer is that it requires a well-formed and valid XML document. It's easy to unwittingly break the PDF rendering by including something like an ampersand in your HTML, or some javascript code that makes your rendered HTML not strict XHTML. Though this can be mitigated with a...
Pythonic way to check if a file exists? [duplicate]
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This answer is outdated. On Python 3.4+ use pathlib, like this: Path("path/to/file").is_file() if you want to check that it's a file and that it exists or Path("path/to/file").exists() if you only want to know that it exists (but might be a directory).
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Python None comparison: should I use “is” or ==?
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@BallpointBen I think the key point is that Python possesses a strong concept of object identity. If you want to check whether an object compares equal to None, by all means use obj == None. If you want to check whether an object is None, use obj is None. The point of ...
How to set entire application in portrait mode only?
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For any Android version
From XML
You can specify android:screenOrientation="portrait" for each activity in your manifest.xml file. You cannot specify this option on the application tag.
From Java
Other option is to do it programmatically, for example ...
How to save a list as numpy array in python?
Is possible to construct a NumPy array from a python list?
9 Answers
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Pycharm: run only part of my Python file
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