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What is more efficient? Using pow to square or just multiply it with itself?
What of these two methods is in C more efficient? And how about:
7 Answers
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Determine the line of code that causes a segmentation fault?
...;
(gdb) backtrace
<offending code is shown here>
Here is a nice tutorial to get you started with GDB.
Where the segfault occurs is generally only a clue as to where "the mistake which causes" it is in the code. The given location is not necessarily where the problem resides.
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Real world example about how to use property feature in python?
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Other examples would be validation/filtering of the set attributes (forcing them to be in bounds or acceptable) and lazy evaluation of complex or rapidly changing terms.
Complex calculation hidden behind an attribute:
class PDB_Calculator(object):
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@property
def protein_foldin...
Unzip a file with php
I want to unzip a file and this works fine
12 Answers
12
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How do I rename a Git repository?
git mv renames a file or directory in a repository. How do I rename the Git repository itself?
18 Answers
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Reading 64bit Registry from a 32bit application
I have a c# unit test project that is compiled for AnyCPU. Our build server is a 64bit machine, and has a 64bit SQL Express instance installed.
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What's Alternative to Singleton
We have a class that holds configuration information for the application. It used to be a singleton. After some architectural review, we were told to remove the singleton. We did see some benefits of not using singleton in the unit testing because we can test different configurations all at once.
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Replace multiple whitespaces with single whitespace in JavaScript string
I have strings with extra whitespaces, each time there's more than only one whitespace I'd like it be only one.
11 Answers
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What is the difference between sigaction and signal?
... an extra signal handler to an app we have here and I noticed that the author had used sigaction() to set up the other signal handlers. I was going to use signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose?
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Illegal mix of collations MySQL Error
I'm getting this strange error while processing a large number of data...
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