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How do I generate random integers within a specific range in Java?
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In Java 1.7 or later, the standard way to do this is as follows:
import java.util.concurrent.ThreadLocalRandom;
// nextInt is normally exclusive of the top value,
// so add 1 to make it inclusive
int randomNum = ThreadLocalRandom.curre...
Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
...ecked at compile-time.
It is the out-of-bounds literal that causes the error, not the assignment:
System.out.println(2147483648); // error
System.out.println(2147483647 + 1); // no error
By contrast a long literal would compile fine:
System.out.println(2147483648L); // no error
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insert vs emplace vs operator[] in c++ map
I'm using maps for the first time and I realized that there are many ways to insert an element. You can use emplace() , operator[] or insert() , plus variants like using value_type or make_pair . While there is a lot of information about all of them and questions about particular cases, I sti...
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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How to use Morgan logger?
I cannot log with Morgan. It doesn't log info to console. The documentation doesn't tell how to use it.
10 Answers
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Localization and internationalization, what's the difference?
I was going to ask a question about preparing a desktop application to support multiple languages on the UI.
15 Answers
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grep, but only certain file extensions
I am working on writing some scripts to grep certain directories, but these directories contain all sorts of file types.
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Display a float with two decimal places in Python
I have a function taking float arguments (generally integers or decimals with one significant digit), and I need to output the values in a string with two decimal places (5 -> 5.00, 5.5 -> 5.50, etc). How can I do this in Python?
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iPhone app in landscape mode, 2008 systems
Please note that this question is from 2008 and now is of only historic interest.
8 Answers
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Memcache Vs. Memcached [duplicate]
...er the other?
Can you also suggest the criteria used to choose between one or the other?
2 Answers
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