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Convert a negative number to a positive one in JavaScript
... 100; ~x+1 === -100. Math.abs always makes it a positive whilst taking the ones complement simply inverts the sign.
– jduncanator
Dec 18 '14 at 12:53
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any tool for java object to object mapping? [closed]
...r is a Java Bean to Java Bean
mapper that recursively copies data
from one object to another. Typically,
these Java Beans will be of different
complex types.
Dozer supports simple property
mapping, complex type mapping,
bi-directional mapping,
implicit-explicit mapping, as well as...
How to send only one UDP packet with netcat?
I want to send only one short value in a UDP packet, but running the command
5 Answers
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Why should I use an IDE? [closed]
...ly of IDEs, saying "some people still just dont know "why" they should use one...". As someone who uses vim for programming, and works in an environment where most/all of my colleagues use either vim or emacs for all of their work, what are the advantages of IDEs? Why should I use one?
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DTO = ViewModel?
... the model of the view. ViewModels typically are full or partial data from one or more objects (or DTOs) plus any additional members specific to the view's behavior (methods that can be executed by the view, properties to indicate how toggle view elements etc...). You can look at the viewmodel as al...
Constructor in an Interface?
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This is true and may solve Sebi's immediate problem. But one reason for using interfaces in Java is because you cannot have multiple inheritance. In a case where I cannot make my "thing" an abstract class because I need to inherit from something else, the problem remains. Not that ...
What is the difference between currying and partial application?
...re of lambda(z){z(x(y))} with passed-in the values of x and y to f(x,y).
One way to use partial application is to define functions as partial applications of generalized functions, like fold:
function fold(combineFunction, accumulator, list) {/* ... */}
function sum = curry(fold)(lambda(accum...
Refresh image with a new one at the same url
...t will make the browser look again for the image instead of retrieving the one in the cache.
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Secondary axis with twinx(): how to add to legend?
...want to show them with legend() , but I only succeed to get the labels of one axis in the legend:
6 Answers
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Can I call a constructor from another constructor (do constructor chaining) in C++?
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The one downside of using init() is you can't declare a pointer or ref that is const (as in the ref/pointer is const rather the thing it points at) if you don't initialise it in the constructor().
– locka
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