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What's a monitor in Java?
...ject) {
// do something else (2)
}
}
This prevents Threads 1 and 2 accessing the monitored (synchronized) section at the same time. One will start, and monitor will prevent the other from accessing the region before the first one finishes.
It's not a special object. It's synchronizati...
prototype based vs. class based inheritance
In JavaScript, every object is at the same time an instance and a class. To do inheritance, you can use any object instance as a prototype.
...
In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
..., getting dates/times right when programming is always fraught with danger and difficulity.
3 Answers
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Scala: What is a TypeTag and how do I use it?
...hat they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
...*a2) # note the asterisk
a2.unshift(*a1) # note the asterisk, and that a2 is the receiver
or splice:
a1[a1.length, 0] = a2
a1[a1.length..0] = a2
a1.insert(a1.length, *a2)
or append and flatten:
(a1 << a2).flatten! # a call to #flatten instead would return a new array
...
What is the difference between a.getClass() and A.class in Java?
...oth in different circumstances (just like there are with Class.forName() and ClassLoader.loadClass() .
7 Answers
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How to sort an ArrayList?
I have a List of doubles in java and I want to sort ArrayList in descending order.
20 Answers
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How do you round UP a number in Python?
...reats the input as a float (Python does not have strongly-typed variables) and the function returns a float. If you want an int, you can construct an int from the return value, i.e., int(math.ceil(363))
– R. W. Sinnet
Aug 26 '15 at 23:37
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
I've been reading some things on neural networks and I understand the general principle of a single layer neural network. I understand the need for aditional layers, but why are nonlinear activation functions used?
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Converting VS2012 Solution to VS2010
I'm working in VB project with VS 2012 and after finish I try to add setup project.
7 Answers
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