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Geometric Mean: is there a built-in?
...pplication I had in mind they are the same, but of course this is not generally true. Thus, if you want to include optional propagation of zeros, and treat the length(x) differently in the case of NA removal, the following is a slightly longer alternative to the function above.
gm_mean = function(x...
push_back vs emplace_back
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A nice code for the push_back and emplace_back is shown here.
http://en.cppreference.com/w/cpp/container/vector/emplace_back
You can see the move operation on push_back and not on emplace_back.
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Stack vs heap allocation of structs in Go, and how they relate to garbage collection
...lag to "go build" or "go run" (e.g., go run -gcflags -m app.go).
Source: http://devs.cloudimmunity.com/gotchas-and-common-mistakes-in-go-golang/index.html#stack_heap_vars
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Converting strings to floats in a DataFrame
...newer version of pandas (0.17 and up), you can use to_numeric function. It allows you to convert the whole dataframe or just individual columns. It also gives you an ability to select how to treat stuff that can't be converted to numeric values:
import pandas as pd
s = pd.Series(['1.0', '2', -3])
p...
Why would a JavaScript variable start with a dollar sign? [duplicate]
...wish the jquery documentation used this notation as well... It is indeed really helpful.
– pedromanoel
Jan 28 '14 at 11:05
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How to initialize a vector in C++ [duplicate]
...p;arr[0]+N; }
And then you can do this without having to repeat the size all over:
int vv[] = { 12,43 };
std::vector<int> v(begin(vv), end(vv));
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How do I fix “for loop initial declaration used outside C99 mode” GCC error?
...arity)
restrict qualification to allow more aggressive code optimization
http://en.wikipedia.org/wiki/C99
A Tour of C99
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One DbContext per web request… why?
...up Entity Framework's DbContext so that only one is created and used per HTTP web request using various DI frameworks.
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Get a list of checked checkboxes in a div using jQuery
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Unnecessary call of constructor var selected = new Array();. Better (cheaper) with var selected = [];
– Pono
Mar 17 '14 at 22:45
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How to replace all dots in a string using JavaScript
I want to replace all the occurrences of a dot( . ) in a JavaScript string
15 Answers
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