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Difference between declaring variables before or in loop?
I have always wondered if, in general, declaring a throw-away variable before a loop, as opposed to repeatedly inside the loop, makes any (performance) difference?
A (quite pointless) example in Java:
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Causes of getting a java.lang.VerifyError
I'm investigating the following java.lang.VerifyError
25 Answers
25
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Map implementation with duplicate keys
I want to have a map with duplicate keys.
18 Answers
18
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How do I create a constant in Python?
Is there a way to declare a constant in Python? In Java we can create constant values in this manner:
41 Answers
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How to install node.js as windows service?
I have downloaded node.js executable. How can I run that executable as windows service?
I cannot use standard node.js installer, since I need to run multiple version of node.js concurrently.
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How can I pass a Bitmap object from one activity to another
In my activity, I create a Bitmap object and then I need to launch another Activity ,
How can I pass this Bitmap object from the sub-activity (the one which is going to be launched)?
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Python element-wise tuple operations like sum
Is there anyway to get tuple operations in Python to work like this:
12 Answers
12
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What is a Java ClassLoader?
In a few simple sentences, what is a Java ClassLoader, when is it used and why?
7 Answers
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Difference between decimal, float and double in .NET?
What is the difference between decimal , float and double in .NET?
18 Answers
18
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Arrow operator (->) usage in C
I am reading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the eq...