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What is the best way to get all the divisors of a number?

... i += 1 if i >= nfactors: return The overall efficiency of this algorithm will depend entirely on the efficiency of the factorGenerator. share | improve this answer...
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How can I convert a string to a number in Perl?

... You don't need to convert it at all: % perl -e 'print "5.45" + 0.1;' 5.55 share | improve this answer | follow | ...
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Is generator.next() visible in Python 3?

...son for this is consistency: special methods like __init__() and __del__() all have double underscores (or "dunder" in the current vernacular), and .next() was one of the few exceptions to that rule. This was fixed in Python 3.0. [*] But instead of calling g.__next__(), use next(g). [*] There are ...
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module.exports vs exports in Node.js

... Setting module.exports allows the database_module function to be called like a function when required. Simply setting exports wouldn't allow the function to be exported because node exports the object module.exports references. The following code wouldn't allow the...
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Why does SIGPIPE exist?

...zero timeout) to consume any pending SIGPIPE signal (which is sent to the calling thread, not the process) before unmasking it again. I believe the reason SIGPIPE exists is much simpler: establishing sane default behavior for pure "filter" programs that continuously read input, transform it somehow...
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Allowed characters in filename [closed]

Where can I find a list of allowed characters in filenames, depending on the operating system? (e.g. on Linux, the character : is allowed in filenames, but not on Windows) ...
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PHP CURL DELETE request

... I finally solved this myself. If anyone else is having this problem, here is my solution: I created a new method: public function curl_del($path) { $url = $this->__url.$path; $ch = curl_init(); curl_setopt($ch, CU...
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How to print (using cout) a number in binary form?

...ter. FYI, casting doesn't work, the bitset variable is an object of some really arcane-looking bitset3ul (?!) class. Best to let the abstractions do the work! – nirvanaswap Mar 16 '16 at 5:39 ...
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How do you get the list of targets in a makefile?

...ed rake a bit (a Ruby make program), and it has an option to get a list of all the available targets, eg 20 Answers ...
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Can not connect to local PostgreSQL

... This really looks like a file permissions error. Unix domain sockets are files and have user permissions just like any other. It looks as though the OSX user attempting to access the database does not have file permissions to acce...