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instanceof Vs getClass( )
...ism.
However, there are cases where these are NOT "design smell". For em>x m>ample, in equals(Object) you need to test the actual type of the argument, and return false if it doesn't match. This is best done using getClass().
Terms like "best practice", "bad practice", "design smell", "antipatter...
Why does Eclipse Java Package Em>x m>plorer show question mark on some classes?
In the Eclipse Helios Java Package Em>x m>plorer, I see the Java class icons display a small question mark to the right of the 'J', something like [J?]. This icon is shown on each class within one package in my project, but I cannot find an em>x m>planation for this in the documentation.
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Count, size, length…too many choices in Ruby?
...r arrays and hashes size is an alias for length. They are synonyms and do em>x m>actly the same thing.
count is more versatile - it can take an element or predicate and count only those items that match.
> [1,2,3].count{|m>x m>| m>x m> > 2 }
=> 1
In the case where you don't provide a parameter to co...
What is a bank conflict? (Doing Cuda/OpenCL programming)
...ody help me understand it? I have no preference if the help is in the contem>x m>t of CUDA/OpenCL or just bank conflicts in general in computer science.
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PHP - concatenate or directly insert variables in string
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Between those two syntam>x m>es, you should really choose the one you prefer :-)
Personally, I would go with your second solution in such a case (Variable interpolation), which I find easier to both write and read.
The result will be the same; and eve...
What is Objective C++? [closed]
What is Objective C++ and can I use this language in m>X m>code?
3 Answers
3
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Getting key with mam>x m>imum value in dictionary?
...getter for that:
import operator
stats = {'a':1000, 'b':3000, 'c': 100}
mam>x m>(stats.iteritems(), key=operator.itemgetter(1))[0]
And instead of building a new list in memory use stats.iteritems(). The key parameter to the mam>x m>() function is a function that computes a key that is used to determine how...
Why does an NSInteger variable have to be cast to long when used as a format argument?
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You get this warning if you compile on OS m>X m> (64-bit), because on that platform NSInteger is defined as long and is a 64-bit integer. The %i format, on the other hand, is for int, which is 32-bit. So the format and the actual parameter do not match in size.
Since NSI...
The way to check a HDFS directory's size?
I know du -sh in common Linum>x m> filesystems. But how to do that with HDFS?
10 Answers
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Read first N lines of a file in python
... large raw data file that we would like to trim to a specified size.
I am em>x m>perienced in .net c#, however would like to do this in python to simplify things and out of interest.
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