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Difference between Big-O and Little-O Notation

... O(g) says, essentially For at least one choice of a constant k > 0, you can find a constant a such that the inequality 0 <= f(x) <= k g(x) holds for all x > a. Note that O(g) is the set of all functions for which this condition holds. f ∈ o(g) says, essentially For every c...
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How to pass optional arguments to a method in C++?

...e of passing mode as optional parameter void myfunc(int blah, int mode = 0) { if (mode == 0) do_something(); else do_something_else(); } you can call myfunc in both ways and both are valid myfunc(10); // Mode will be set to default 0 myfunc(10, 1); // Mode will be ...
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Razor-based view doesn't see referenced assemblies

... 107 There is a new configuration section that is used to reference namespaces for Razor views. Ope...
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Is there an expression for an infinite generator?

...gument iter = zero-argument callable + sentinel value int() always returns 0 Therefore, iter(int, 1) is an infinite iterator. There are obviously a huge number of variations on this particular theme (especially once you add lambda into the mix). One variant of particular note is iter(f, object()),...
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What characters are valid for JavaScript variable names?

... 1000 +50 To quot...
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Calling shell functions with xargs

...orting the function should do it (untested): export -f echo_var seq -f "n%04g" 1 100 | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {} You can use the builtin printf instead of the external seq: printf "n%04g\n" {1..100} | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {} Also, using ret...
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How to find the sum of an array of numbers

... how can I find the sum of its elements? (In this case, the sum would be 10 .) 43 Answers ...
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What is the best way to programmatically detect porn images? [closed]

... This was written in 2000, not sure if the state of the art in porn detection has advanced at all, but I doubt it. http://www.dansdata.com/pornsweeper.htm PORNsweeper seems to have some ability to distinguish pictures of people from pictures of t...
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Formatting “yesterday's” date in python

... 406 Use datetime.timedelta() >>> from datetime import date, timedelta >>> yester...
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How do I set the version information for an existing .exe, .dll?

...set! – twasbrillig Nov 18 '14 at 22:09 2 ...