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Returning an array using C
...relatively new to C and I need some help with methods dealing with arrays. Coming from Java programming, I am used to being able to say int [] method() in order to return an array. However, I have found out that with C you have to use pointers for arrays when you return them. Being a new programmer...
Proper way to declare custom exceptions in modern Python?
... e.errors
Python 3 Update: In Python 3+, you can use this slightly more compact use of super():
class ValidationError(Exception):
def __init__(self, message, errors):
# Call the base class constructor with the parameters it needs
super().__init__(message)
# Now for ...
How can I get the version defined in setup.py (setuptools) in my package?
....read()) in place of execfile('mypackage/version.py'). (From stackoverflow.com/a/437857/647002)
– medmunds
Mar 5 '13 at 5:21
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Why does flowing off the end of a non-void function without returning a value not produce a compiler
... and architecture dependent. On one particular system, with one particular compiler, the return value is the result of last expression evaluation, stored in the eax register of that system's processor.
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Entity Framework 4 vs NHibernate [closed]
...e already have better alternative like NHibernate. But I can't find a good comparison of Entity Framework 4 and NHibernate. We can say that today NHibernate is the leader among all .NET ORMs, but can we expect Entity Framework 4 to displace NHibernate from this position. I think if Microsoft has rea...
How can you represent inheritance in a database?
I'm thinking about how to represent a complex structure in a SQL Server database.
8 Answers
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Getting image dimensions without reading the entire file
...e in the future: this is indeed untested. I've gone through it with a fine comb, and here's what I found: BMP format has another (ancient) header variation where dimensions are 16-bit; plus height can be negative (drop the sign then). As for JPEG - 0xC0 isn't the only header. Basically all of 0xC0 t...
Why are arrays of references illegal?
The following code does not compile.
14 Answers
14
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Error: could not find function … in R
...it repo of backports. Keep in mind that R versions older than R3.0.0 are incompatible with packages built for R3.0.0 and later versions.
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MySQL JOIN the most recent row only?
... my page "wait" for 12 seconds to load; So please also check stackoverflow.com/a/35965649/2776747 . I didn't notice it till after a lot of other changes so it took me very long to find out.
– Art
Feb 26 '18 at 22:59
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