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When should I write the keyword 'inline' for a function/method?
When should I write the keyword inline for a function/method in C++?
15 Answers
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Does Python support short-circuiting?
...hort-circuiting behavior in operator and, or:
Let's first define a useful function to determine if something is executed or not. A simple function that accepts an argument, prints a message and returns the input, unchanged.
>>> def fun(i):
... print "executed"
... return i
...
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Return value in a Bash function
I am working with a bash script and I want to execute a function to print a return value:
9 Answers
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Is it possible to define more than one function per file in MATLAB, and access them from outside tha
...hen I was studying for my undergraduate degree in EE, MATLAB required each function to be defined in its own file, even if it was a one-liner.
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Kotlin: how to pass a function as parameter to another?
Given function foo :
10 Answers
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How to call a parent class function from derived class function?
How do I call the parent function from a derived class using C++? For example, I have a class called parent , and a class called child which is derived from parent. Within
each class there is a print function. In the definition of the child's print function I would like to make a call to the ...
Bold words in a string of strings.xml in Android
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In kotlin, you can create extensions functions on resources (activities|fragments |context) that will convert your string to an html span
e.g.
fun Resources.getHtmlSpannedString(@StringRes id: Int): Spanned = getString(id).toHtmlSpan()
fun Resources.getHtmlSp...
How can I use an array of function pointers?
How should I use array of function pointers in C?
10 Answers
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Pass a data.frame column name to a function
I'm trying to write a function to accept a data.frame ( x ) and a column from it. The function performs some calculations on x and later returns another data.frame. I'm stuck on the best-practices method to pass the column name to the function.
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Summarizing multiple columns with dplyr? [duplicate]
...u want to summarize only certain columns, use summarise_at or summarise_if functions.
Alternatively, the purrrlyr package provides the same functionality:
library(purrrlyr)
df %>% slice_rows("grp") %>% dmap(mean)
#> # A tibble: 3 x 5
#> grp a b c d
#> <int>...