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How does std::forward work? [duplicate]
I know what it does and when to use it but I still can't wrap my head around how it works. Please be as detailed as possible and explain when std::forward would be incorrect if it was allowed to use template argument deduction.
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MongoDB with redis
Can anyone give example use cases of when you would benefit from using Redis and MongoDB in conjunction with each other?
3 ...
What is the difference between “def” and “val” to define a function
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val even: Int => Boolean = _ % 2 == 0
even eq even
//Boolean = true
With def you can get new function on every call:
val test: () => Int = {
val r = util.Random.nextInt
() => r
}
test()
// Int = -1049057402
test()
// Int = -1049057402 - same result
def test: () => Int = {
val...
Copy to clipboard in Node.js?
...sing Node.js on a desktop application. Hopefully that clears up why I want it to be able to achieve this.
8 Answers
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What is your most productive shortcut with Vim?
I've heard a lot about Vim , both pros and cons.
It really seems you should be (as a developer) faster with Vim than with any other editor.
I'm using Vim to do some basic stuff and I'm at best 10 times less productive with Vim.
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How to lose margin/padding in UITextView?
I have a UITextView in my iOS Application, which displays a large amount of text.
22 Answers
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How does free know how much to free?
...you can pass any kind of pointer you like as an argument to free, how does it know the size of the allocated memory to free? Whenever I pass a pointer to some function, I have to also pass the size (ie an array of 10 elements needs to receive 10 as a parameter to know the size of the array), but I d...
Elegant way to check for missing packages and install them?
I seem to be sharing a lot of code with coauthors these days. Many of them are novice/intermediate R users and don't realize that they have to install packages they don't already have.
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C++ project organisation (with gtest, cmake and doxygen)
...g a simple vector class in C++. However I would like to get in to good habits from the start rather than trying to modify my workflow later on.
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Should I store generated code in source control
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Saving it in source control is more trouble than it's worth.
You have to do a commit every time you do a build for it to be any value.
Generally we leave generated code( idl, jaxb stuff, etc) outside source control where I work ...