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How does the HyperLogLog algorithm work?
...f random number (e.g. hashed values), they should distribute evenly over a range. Let's say the range is up to 10 bit to represent value up to 1024. Then observed the minimum value. Let's say it is 10. Then the cardinality will estimated to be about 100 (10 × 100 ≈ 1024).
Read the paper for the ...
When to prefer JSON over XML?
...: try to detect when sending HTML snippets is more beneficial than sending raw data. AHAH can do wonders in simple applications, yet frequently overlooked. Usually this style assumes that a server sends HTML snippets that will be inlined in the web page without processing.
Usually in AHAH cases CSS...
Converting a Uniform Distribution to a Normal Distribution
...ing the log). Even if clamped to [-6, 6] the chances of being outside this range are about 1.98e-9, good enough for most people even in science. For the 8.57 and 9.41 figures this becomes 1.04e-17 and 4.97e-21. These numbers are so small that the difference between a Box Muller sampling and a true g...
Assign same value to multiple variables at once?
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This can't be used in Php class and this is the raw type.
– Chaminda Bandara
Nov 14 '16 at 10:08
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Validating IPv4 addresses with regexp
... (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results:
36 Answers
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Git commit with no commit message
...ree plumbing command. You can see an example of using this command in the "Raw Git" chapter of the Git book.
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Image comparison - fast algorithm
...rithm
Computing the color histograms is straightforward -- just pick the range for your histogram buckets, and for each range, tally the number of pixels with a color in that range. For example, consider the "green" histogram, and suppose we choose 4 buckets for our histogram: 0-63, 64-127, 128-1...
Static method in a generic class?
...erics anyway, you might as well use them all the way --- namely not to use raw types like Comparable. Try <T extends Comparable<? super T>> instead.
– easoncxz
Jul 10 '15 at 13:05
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How do I know if a generator is empty from the start?
... the generator is designed to yield None. def gen(): for pony in range(4): yield None if pony == 2 else pony
– Paul
Nov 3 '16 at 21:53
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IE9 jQuery AJAX with CORS returns “Access is denied”
...s an old version that doesn't work. Be sure to get the latest version at: raw.github.com/MoonScript/jQuery-ajaxTransport-XDomainRequest/…
– Clintm
Aug 21 '13 at 20:56
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