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How to extract the year from a Python datetime object?
...ew times and you'll be prompted with the members of the "now" object:
now.__add__ now.__gt__ now.__radd__ now.__sub__ now.fromordinal now.microsecond now.second now.toordinal now.weekday
now.__class__ now.__hash__ ...
How to Detect if I'm Compiling Code with a particular Visual Studio version?
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_MSC_VER and possibly _MSC_FULL_VER is what you need. You can also examine visualc.hpp in any recent boost install for some usage examples.
Some values for the more recent versions of the compiler are:
MSVC++ 14.24 _MSC_VER...
How to fix “Attempted relative import in non-package” even with __init__.py
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Yes. You're not using it as a package.
python -m pkg.tests.core_test
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Why and How to avoid Event Handler memory leaks?
...alled even when the pages are no longer running as long as they are alive (rooted), and they will be alive as long as they are hooked up. So they will get called until the eventhandler is unhooked with a -= new EventHandler.
See Here
and MSDN HERE
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method of iterating over sqlalchemy model's defined columns?
...and copy methods to a couple of models. I can't just iterate over the obj.__dict__ since it contains a lot of SA specific items.
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UML class diagram enum
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They are simply showed like this:
_______________________
| <<enumeration>> |
| DaysOfTheWeek |
|_____________________|
| Sunday |
| Monday |
| Tuesday |
| ... |
|____________________...
Is there a replacement for unistd.h for Windows (Visual C)?
... file.
Here's a starting point. Please add definitions as needed.
#ifndef _UNISTD_H
#define _UNISTD_H 1
/* This is intended as a drop-in replacement for unistd.h on Windows.
* Please add functionality as neeeded.
* https://stackoverflow.com/a/826027/1202830
*/
#include <stdlib.h>
#inc...
Proper way to declare custom exceptions in modern Python?
... (or pass extra args), do this:
class ValidationError(Exception):
def __init__(self, message, errors):
# Call the base class constructor with the parameters it needs
super(ValidationError, self).__init__(message)
# Now for your custom code...
self.errors = erro...
Why do some functions have underscores “__” before and after the function name?
...gnized (these can generally be combined with any case convention):
_single_leading_underscore: weak "internal use" indicator. E.g. from M import * does not import objects whose name starts with an underscore.
single_trailing_underscore_: used by convention to avoid conflicts with Python ke...
Is this object-lifetime-extending-closure a C# compiler bug?
....locals init (
[0] class ConsoleApplication1.Program/Foo/'<>c__DisplayClass1' 'CS$<>8__locals2'
)
IL_0000: newobj instance void ConsoleApplication1.Program/Foo/'<>c__DisplayClass1'::.ctor()
IL_0005: stloc.0
IL_0006: ldloc.0
IL_0007: ldarg.0
IL_000...