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Count, size, length…too many choices in Ruby?
...block_given_p())
return LONG2NUM(RARRAY_LEN(ary));
// etc..
}
}
The code for array.count does a few extra checks but in the end calls the exact same code: LONG2NUM(RARRAY_LEN(ary)).
Hashes (source code) on the other hand don't seem to implement their own optimized version...
What is the difference between _tmain() and main() in C++?
...o program Windows is to define UNICODE. And some other adjustments for C++ etc., before including <windows.h>. Then use the Unicode functions like CreateWindow (in general with no W needed at the end).
– Cheers and hth. - Alf
Apr 1 '12 at 18:56
...
Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
...as occurred - gets 0. Compare evals to true. Writes become visible to T... etc.
It reads currentpos.y first, before the y write has occurred (0), then reads currentpos.x after the x write, evals to true. etc.
and so on... There are a number of data races here.
I suspect the flawed assumption here...
Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
...view invariant local pattern descriptors. I agree that SIFT,SURF,ORB,FREAK etc. can help you in feature matching but.. What about your other parts of the question like occlusions, Bottle vs Can etc. I hope this is not a complete solution in fact if you would have GOOGLED your problem probably the fi...
How to print color in console using System.out.println?
...lso using some of the other attributes like background color, font styles, etc.
– WhiteFang34
Apr 23 '11 at 8:38
2
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Schema for a multilanguage database
...only for translations.. other wise 3. Also it is easier to add constraints etc and i beleive searching is more resonable.
– GorillaApe
May 1 '12 at 10:08
1
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What's the difference between a proc and a lambda in Ruby?
...ry explanation just provides a hair-splitting detail of how return values, etc., are different, but none on why it matters. For now I have to conclude that this is a design mess in Ruby.
– ankush981
Apr 6 at 14:41
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Are there good reasons not to use an ORM? [closed]
...hings only 3 times: every property is mentioned in the class, the .hbm.xml file, and the database. With SQL queries, your properties are in the class, the database, the select statements, the insert statements, the update statements, the delete statements, and all the marshalling and unmarshalling c...
Position of least significant bit that is set
... set bit, or the highest set bit, or counting the number of leading zeroes etc.
If you have any one instruction of this class you can cheaply emulate the others.
Take a moment to work through it on paper and realise that x & (x-1) will clear the lowest set bit in x, and ( x & ~(x-1) ) will...
Once upon a time, when > was faster than < … Wait, what?
...ntions that we can perform custom depth tests, such as GL_LESS, GL_ALWAYS, etc. He also explains that the actual meaning of depth values (which is top and which isn't) can also be customized. I understand so far. And then the author says something unbelievable:
...