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Why does changing 0.1f to 0 slow down performance by 10x?
... than on normalized floating-point. This is because many processors can't handle them directly and must trap and resolve them using microcode.
If you print out the numbers after 10,000 iterations, you will see that they have converged to different values depending on whether 0 or 0.1 is used.
Here...
How to do version numbers? [closed]
...there will never be a version out which doesn't have some features in them and thus could always be labeled as beta. But since it's going to be a corporate product I really don't want the "unstable watchout" on there. So how would you go about versioning? Is 1.0 stable? Should the build date be in t...
Filter Java Stream to 1 and only 1 element
...lements in a LinkedList . I want to guarantee, however, that there is one and only one match to the filter criteria.
20 An...
Generate all permutations of a list without adjacent equal elements
... return output
Proof of correctness
For two item types, with counts k1 and k2, the optimal solution has k2 - k1 - 1 defects if k1 < k2, 0 defects if k1 = k2, and k1 - k2 - 1 defects if k1 > k2. The = case is obvious. The others are symmetric; each instance of the minority element prevents ...
How do I capture the output into a variable from an external process in PowerShell?
I'd like to run an external process and capture it's command output to a variable in PowerShell. I'm currently using this:
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In the shell, what does “ 2>&1 ” mean?
In a Unix shell, if I want to combine stderr and stdout into the stdout stream for further manipulation, I can append the following on the end of my command:
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PHP Regex to check date is in YYYY-MM-DD format
...t answer? This returns true for a number of invalid dates like 2016-02-30 and 2016-09-31
– Graham
Oct 11 '16 at 14:35
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What is the difference between CMD and ENTRYPOINT in a Dockerfile?
In Dockerfiles there are two commands that look similar to me: CMD and ENTRYPOINT . But I guess that there is a (subtle?) difference between them - otherwise it would not make any sense to have two commands for the very same thing.
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How to implement a queue using two stacks?
Suppose we have two stacks and no other temporary variable.
20 Answers
20
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Fast Bitmap Blur For Android SDK
Currently in an Android application that I'm developing I'm looping through the pixels of an image to blur it. This takes about 30 seconds on a 640x480 image.
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