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relative path in require_once doesn't work
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There is now a troubleshooting checklist for this frequent error here : stackoverflow.com/a/36577021/2873507
– Vic Seedoubleyew
Apr 12 '16 at 15:24
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what does the __file__ variable mean/do?
...e file otherwise.
Module __file__ attributes (and related values) should now always contain absolute paths by default, with the sole exception of __main__.__file__ when a script has been executed directly using a relative path. (Contributed by Brett Cannon in issue 18416.)
Example:
Calling module...
Referencing system.management.automation.dll in Visual Studio
...ious one!
Microsoft PowerShell team packages un NuGet
Update: package is now owned by PowerShell Team. Huzzah!
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What does the “at” (@) symbol do in Python?
...which used the @ symbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included.
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Inheritance and Overriding __init__ in python
...le dated with respect to subclassing built-in classes.
It looks like this nowadays:
class FileInfo(dict):
"""store file metadata"""
def __init__(self, filename=None):
super(FileInfo, self).__init__()
self["name"] = filename
Note the following:
We can directly subclass b...
How do you find out the type of an object (in Swift)?
...es, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still, I'd really like to have something like Python's type()
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Hidden features of C
I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time.
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Python threading.timer - repeat function every 'n' seconds
....5 seconds and be able to start and stop and reset the timer. I'm not too knowledgeable of how Python threads work and am having difficulties with the python timer.
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Header files for x86 SIMD intrinsics
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| mm3dnow.h | 3dnow! (K6-2) (deprecated) |
| xmmintrin.h | SSE + MMX (Pentium 3, Athlon XP) |
| emmintrin...
Delete column from pandas DataFrame
...index/columns keywords as an alternative to specifying the axis.
So we can now just do:
df.drop(columns=['B', 'C'])
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