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Which is the fastest algorithm to find prime numbers?

...u and primesieve are both faster in general, I think, and certainly over 2^32. Both are (modified) sieves of Eratosthenes rather than the Atkin-Bernstein sieve. – Charles Aug 19 '11 at 4:29 ...
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PHP - Debugging Curl

... You can enable the CURLOPT_VERBOSE option: curl_setopt($curlhandle, CURLOPT_VERBOSE, true); When CURLOPT_VERBOSE is set, output is written to STDERR or the file specified using CURLOPT_STDERR. The output is very informative. You can also use tcpdu...
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How to find out element position in slice?

... user60679user60679 64999 silver badges2323 bronze badges add a comment  |  ...
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How do ACID and database transactions work?

... 321 ACID is a set of properties that you would like to apply when modifying a database. Atomicit...
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What is the reason for having '//' in Python? [duplicate]

...ement Alex's response, I would add that starting from Python 2.2.0a2, from __future__ import division is a convenient alternative to using lots of float(…)/…. All divisions perform float divisions, except those with //. This works with all versions from 2.2.0a2 on. ...
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Example for sync.WaitGroup correct?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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How to convert a std::string to const char* or char*?

...hat needs const char* you can use std::string str; const char * c = str.c_str(); If you want to get a writable copy, like char *, you can do that with this: std::string str; char * writable = new char[str.size() + 1]; std::copy(str.begin(), str.end(), writable); writable[str.size()] = '\0'; // ...
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Call a “local” function within module.exports from another function in module.exports?

... a direct answer to the question – Kermit_ice_tea Mar 3 '16 at 23:24 8 ...
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“#include” a text file in a C program as a char[]

... answered Jul 29 '14 at 17:32 kayahrkayahr 17.2k2424 gold badges8888 silver badges135135 bronze badges ...
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Java 7 language features with Android

...tch Multiple-catch (catch (Exc1 | Exc2 e)) Underscore in number literals (1_234_567) Binary literals (0b1110111) And these features cannot be used yet: The try-with-resources statement — because it requires the non-existing interface "java.lang.AutoCloseable" (this can be used publicly in 4.4+...