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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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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"
}
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What is memory fragmentation?
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Interestingly, main memory databases are becoming somewhat practical these days (with really much memory being available). In this context it is worth noting that, as for HDDs, reading continuous lines from RAM is much faster than if the data is fragmented...
How to convert a PIL Image into a numpy array?
...6
dF.dF.
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Using @property versus getters and setters
...enly encapsulation become desirable. The same thing happened with abstract base classes. "Python was always at war with encapsulation-breaking. Freedom is slavery. Lambdas should only fit on one line."
– johncip
Aug 16 '16 at 0:14
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