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How to make a HTTP request using Ruby on Rails?
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edited Jun 22 '14 at 12:11
Martin Tournoij
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How to do a LIKE query in Arel and Rails?
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edited Feb 15 '16 at 17:11
answered Aug 10 '11 at 14:46
P...
Connect to a locally built Jekyll Server using mobile devices in the LAN
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answered May 17 '13 at 12:11
pauljzpauljz
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What is the difference between an annotated and unannotated tag?
... Todd A. JacobsTodd A. Jacobs
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4
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Compare if BigDecimal is greater than zero
...velopment.)
– Andrew Spencer
Dec 6 '11 at 11:16
11
While I agree that this is the idiomatic solut...
Analyze audio using Fast Fourier Transform
... a center frequency of 1khz.
Upper limit = 1000 * 2 ^ ( 1 / ( 2 * 3 ) ) = 1122.5
Lower limit = 1000 / 2 ^ ( 1 / ( 2 * 3 ) ) = 890.9
Given 44100hz and 1024 samples (43hz between each data point) we should average out values 21 through 26. ( 890.9 / 43 = 20.72 ~ 21 and 1122.5 / 43 = 26.10 ~ 26 )
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Active Record - Find records which were created_at before today
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answered Nov 2 '11 at 9:28
toklandtokland
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RuntimeError on windows trying python multiprocessing
...93C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.69...
How to convert a string or integer to binary in Ruby?
...string in binary format is to use the string formatter:
"%b" % 245
=> "11110101"
You can also choose how long the string representation to be, which might be useful if you want to compare fixed-width binary numbers:
1.upto(10).each { |n| puts "%04b" % n }
0001
0010
0011
0100
0101
0110
0111
10...
Show SOME invisible/whitespace characters in Eclipse
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Community♦
111 silver badge
answered Dec 12 '08 at 21:27
Aaron DigullaAaron Digulla
288k9...