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What is q=0.5 in Accept* HTTP headers?
...tor. It specifies what language the user would prefer, on a scale of 0 to 1, as can be seen from the HTTP/1.1 Specification, §14.4:
Each language-range MAY be given an associated quality value which represents an estimate of the user's preference for the languages specified by that range. The qua...
An efficient way to transpose a file in Bash
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115
awk '
{
for (i=1; i<=NF; i++) {
a[NR,i] = $i
}
}
NF>p { p = NF }
END {...
How to write a cron that will run a script every day at midnight?
...mm hh dd mt wd command
mm minute 0-59
hh hour 0-23
dd day of month 1-31
mt month 1-12
wd day of week 0-7 (Sunday = 0 or 7)
command: what you want to run
all numeric values can be replaced by * which means all
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How to identify server IP address in PHP
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15 Answers
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Array initializing in Scala
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143
scala> val arr = Array("Hello","World")
arr: Array[java.lang.String] = Array(Hello, World)
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Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
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10 Answers
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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
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41
+100
I'll con...
Checking images for similarity with OpenCV
...lue (maybe a percentage) that indicates how similar these images are? E.g. 100% would be returned if the same image was passed twice, 0% would be returned if the images were totally different.
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str performance in python
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105
'%s' % 100000 is evaluated by the compiler and is equivalent to a constant at run-time.
>&...