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How do you convert a byte array to a hexadecimal string, and vice versa?
How can you convert a byte array to a hexadecimal string, and vice versa?
45 Answers
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postgresql return 0 if returned value is null
I have a query that returns avg(price)
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CSS Box Shadow - Top and Bottom Only [duplicate]
I cannot find any examples of how to do this, but how can I add a box shadow only to the top and bottom of an element?
5 An...
How to check if an int is a null
I have an object called Person .
8 Answers
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Why does struct alignment depend on whether a field type is primitive or user-defined?
In Noda Time v2, we're moving to nanosecond resolution. That means we can no longer use an 8-byte integer to represent the whole range of time we're interested in. That has prompted me to investigate the memory usage of the (many) structs of Noda Time, which has in turn led me to uncover a slight ...
How to determine if a point is in a 2D triangle? [closed]
Is there an easy way to determine if a point is inside a triangle? It's 2D, not 3D.
25 Answers
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How to track down a “double free or corruption” error
When I run my (C++) program it crashes with this error.
8 Answers
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RuntimeWarning: invalid value encountered in divide
I have to make a program using Euler's method for the "ball in a spring" model
4 Answers
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What's the algorithm to calculate aspect ratio?
I plan to use it with JavaScript to crop an image to fit the entire window.
18 Answers
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Accessing class variables from a list comprehension in the class definition
How do you access other class variables from a list comprehension within the class definition? The following works in Python 2 but fails in Python 3:
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