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How can I check if a Perl array contains a particular value?
....73/s (n=100000)
first: 1 wallclock secs ( 0.63 usr + 0.01 sys = 0.64 CPU) @ 156250.00/s (n=100000)
grep: 42 wallclock secs (41.95 usr + 0.08 sys = 42.03 CPU) @ 2379.25/s (n=100000)
hash: 0 wallclock secs ( 0.01 usr + 0.00 sys = 0.01 CPU) @ 10000000.00/s (n=100000)
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Understanding FFT output
...omplex to complex FFT. Remember that you've converted your 32 samples into 64 values (or 32 complex values) by extending it with zero imaginary parts. This results in a symetric FFT output where the frequency result occurs twice. Once ready to use in the outputs 0 to N/2, and once mirrored in the ou...
ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'
...1969061. This certainly worked for me in mariadb-server-5.5.60-1.el7_5.x86_64
– han solo
Jul 3 '19 at 6:40
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Writing to an Excel spreadsheet
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ChaimG
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answered Apr 30 '15 at 23:34
Al SweigartAl Swei...
Is it possible dynamically to add String to String.xml in Android?
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1064
Formatting and Styling
Yes, see the following from String Resources: Formatting and Styling
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Remove non-utf8 characters from string
... // Encode as 11000011 10xxxxxx.
return "\xC3".chr(ord($captures[3])-64);
}
}
preg_replace_callback($regex, "utf8replacer", $text);
EDIT:
!empty(x) will match non-empty values ("0" is considered empty).
x != "" will match non-empty values, including "0".
x !== "" will match anything exce...
C-like structures in Python
...8
dF.dF.
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How to get the instance id from within an ec2 instance?
...d" : "i-12345678",
"billingProducts" : null,
"architecture" : "x86_64",
"imageId" : "ami-12345678",
"pendingTime" : "2014-01-23T45:01:23Z",
"instanceType" : "m1.small"
}
share
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How to convert a PIL Image into a numpy array?
...6
dF.dF.
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Detecting when a div's height changes using jQuery
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64
Use a resize sensor from the css-element-queries library:
https://github.com/marcj/css-element...