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What is the fastest substring search algorithm?
...s-Pratt uses a partial match table.
Rabin-Karp uses running hashes.
They all trade overhead for reduced comparisons to a different degree, so the real world performance will depend on the average lengths of both the needle and haystack. The more initial overhead, the better with longer inputs. W...
Return positions of a regex match() in Javascript?
... @OnurYıldırım - here's a jsfiddle of it working...I've tested it all the way back to IE5...works great: jsfiddle.net/6uwn1vof
– Jimbo Jonny
Mar 29 '16 at 22:34
1
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What's the best manner of implementing a social activity stream? [closed]
...a social activity stream (Facebook is the most famous example). Problems/challenges involved are:
13 Answers
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Finding what methods a Python object has
Given a Python object of any kind, is there an easy way to get the list of all methods that this object has?
19 Answers
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Multiple glibc libraries on a single host
...d to know that glibc consists of many pieces (200+ shared libraries) which all must match. One of the pieces is ld-linux.so.2, and it must match libc.so.6, or you'll see the errors you are seeing.
The absolute path to ld-linux.so.2 is hard-coded into the executable at link time, and can not be easi...
std::vector performance regression when enabling C++11
I have found an interesting performance regression in a small C++ snippet, when I enable C++11:
1 Answer
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How to read data From *.CSV file using javascript?
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NOTE: I concocted this solution before I was reminded about all the "special cases" that can occur in a valid CSV file, like escaped quotes. I'm leaving my answer for those who want something quick and dirty, but I recommend Evan's answer for accuracy.
This code will work when your...
How can I tell gcc not to inline a function?
Say I have this small function in a source file
8 Answers
8
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Python - Create a list with initial capacity
...bject %d" % ( i, )
result.append(message)
return result
def doAllocate( size=10000 ):
result=size*[None]
for i in range(size):
message= "some unique object %d" % ( i, )
result[i]= message
return result
Results. (evaluate each function 144 times and average ...
Remove all occurrences of a value from a list?
...on over the filter+lambda; the former is more readable in addition to generally more efficient.
– habnabit
Jul 21 '09 at 4:28
17
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