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Does R have an assert statement as in python?

a statement that checks if something is true and if not prints a given error message and exits 3 Answers ...
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Monad in plain English? (For the OOP programmer with no FP background)

In terms that an OOP programmer would understand (without any functional programming background), what is a monad? 19 Answe...
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Get original URL referer with PHP?

...t the referer Url. It works as expected until the user clicks another page and the referer changes to the last page. 5 Answ...
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TypeScript type signatures for functions with variable argument counts

... @AlexanderMills func is the name of the function. – Bob Vale Jul 30 '17 at 21:49  |  ...
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What does the constant 0.0039215689 represent?

...was the multiply-by-reciprocal optimization. So I checked in my calculator and sure enough - I guessed right. – Mysticial Mar 24 '14 at 22:08 ...
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What does && mean in void *p = &&abc;

... defined in the current function. void *p = &&abc is illegal in standard C99 and C++. This compiles with g++. share | improve this answer | follow | ...
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How to convert a string with comma-delimited items to a list in Python?

... This is not an array, it is a list, Arrays represent basic values and behave very much like lists, except the type of objects stored in them is constrained. – joaquin Mar 22 '11 at 6:32 ...
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differences between 2 JUnit Assert classes

...t framework contains 2 Assert classes (in different packages, obviously) and the methods on each appear to be very similar. Can anybody explain why this is? ...
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How to avoid annoying error “declared and not used”

... That error is here to force you to write better code, and be sure to use everything you declare or import. It makes it easier to read code written by other people (you are always sure that all declared variables will be used), and avoid some possible dead code. But, if you real...
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What is the difference between gsub and sub methods for Ruby Strings

I have been perusing the documentation for String today, and I saw the :sub method, which I'd never noticed before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks! ...