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Equation for testing if a point is inside a circle
If you have a circle with center (center_x, center_y) and radius radius , how do you test if a given point with coordinates (x, y) is inside the circle?
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Creating a singleton in Python
This question is not for the discussion of whether or not the singleton design pattern is desirable, is an anti-pattern, or for any religious wars, but to discuss how this pattern is best implemented in Python in such a way that is most pythonic. In this instance I define 'most pythonic' to mean tha...
How can I count text lines inside an DOM element? Can I?
I'm wondering if there's a way to count lines inside a div for example. Say we have a div like so:
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Splitting a Java String by the pipe symbol using split(“|”)
The Java official documentation states:
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What is SaaS, PaaS and IaaS? With examples
What do the following terms mean?
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In log4j, does checking isDebugEnabled before logging improve performance?
I am using Log4J in my application for logging. Previously I was using debug call like:
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How to debug stream().map(…) with lambda expressions?
In our project we are migrating to java 8 and we are testing the new features of it.
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Move an array element from one array position to another
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31 Answers
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What is sys.maxint in Python 3?
I've been trying to find out how to represent a maximum integer, and I've read to use "sys.maxint" . However, in Python 3 when I call it I get:
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Bash script error [: !=: unary operator expected
In my script I am trying to error check if the first and only argument is equal to -v but it is an optional argument. I use an if statement but I keep getting the unary operator expected error.
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