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Format floats with standard json module
I am using the standard json module in python 2.6 to serialize a list of floats. However, I'm getting results like this:
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Escape text for HTML
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Not to say SecurityElement.Escape() escapes for XML which is not exactly HTML.
– Victor Sergienko
Jun 5 '13 at 21:16
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Relative imports in Python 3
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myothermodule.py
...with a mymodule.py like this...
#!/usr/bin/env python3
# Exported function
def as_int(a):
return int(a)
# Test function for module
def _test():
assert as_int('1') == 1
if __name__ == '__main__':
_test()
...a myothermodule.py like this...
#!/usr/bin/env...
Select all text inside EditText when it gets focus
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You can try in your main.xml file:
android:selectAllOnFocus="true"
Or, in Java, use
editText.setSelectAllOnFocus(true);
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How do I make python wait for a pressed key?
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In Python 3 use input():
input("Press Enter to continue...")
In Python 2 use raw_input():
raw_input("Press Enter to continue...")
This only waits for the user to press enter though.
One might want to use msvcrt ((Win...
Python - 'ascii' codec can't decode byte
... you have invoked it on a string object (because you don't have the u). So python has to convert the string to a unicode object first. So it does the equivalent of
"你好".decode().encode('utf-8')
But the decode fails because the string isn't valid ascii. That's why you get a complaint about not...
Python - Create a list with initial capacity
... if the preallocation method (size*[None]) itself is inefficient? Does the python VM actually allocate the list at once, or grow it gradually, just like the append() would?
– haridsv
Nov 15 '09 at 3:01
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ImportError: No module named PIL
...ve in fact installed PIL.
Having a different name for the library and the Python module is unusual, but this is what was chosen for (some versions of) PIL.
You can get more information about how to use this module from the official tutorial.
PS: In fact, on some installs, import PIL does work, wh...
Specify JDK for Maven to use
...on't seem to apply to me. Some suggest adding some config to .m2/settings.xml but I don't have a settings.xml . Plus, I don't want to use 1.6 for all maven builds.
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How to call a Parent Class's method from Child Class in Python?
When creating a simple object hierarchy in Python, I'd like to be able to invoke methods of the parent class from a derived class. In Perl and Java, there is a keyword for this ( super ). In Perl, I might do this:
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