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How to determine if a number is a prime with regex?
I found the following code example for Java on RosettaCode :
4 Answers
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Round to at most 2 decimal places (only if necessary)
I'd like to round at most 2 decimal places, but only if necessary .
79 Answers
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How to allow only numeric (0-9) in HTML inputbox using jQuery?
I am creating a web page where I have an input text field in which I want to allow only numeric characters like (0,1,2,3,4,5...9) 0-9.
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Comparing strings with == which are declared final in Java
I have a simple question about strings in Java. The following segment of simple code just concatenates two strings and then compares them with == .
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Instance attribute attribute_name defined outside __init__
I split up my class constructor by letting it call multiple functions, like this:
6 Answers
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What's the fastest algorithm for sorting a linked list?
I'm curious if O(n log n) is the best a linked list can do.
13 Answers
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Return positions of a regex match() in Javascript?
Is there a way to retrieve the (starting) character positions inside a string of the results of a regex match() in Javascript?
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make arrayList.toArray() return more specific types
So, normally ArrayList.toArray() would return a type of Object[] ....but supposed it's an
Arraylist of object Custom , how do I make toArray() to return a type of Custom[] rather than Object[] ?
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Hover and Active only when not disabled
I use hover , active and disabled to style Buttons.
7 Answers
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Is there a way to access an iteration-counter in Java's for-each loop?
Is there a way in Java's for-each loop
15 Answers
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