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How can I convert a string to a number in Perl?
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[rabdelaz@Linux_Desktop:~/workspace/akatest_5]$perl -e 'print "nope\n" unless "1,000" > 10;' nope [rabdelaz@Linux_Desktop:~/workspace/akatest_5]$perl -e 'print "nope\n" if "1,000" > 10;'
– Ramy
May 22 '14 at 15:24
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How to trigger a file download when clicking an HTML button or JavaScript
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Thanks for your code. I have tested, it can working in IE, Chrome, Firefox.
– muthukumar
Sep 22 '16 at 9:11
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What's the difference between URI.escape and CGI.escape?
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Thanks a lot for the info. It sure got rid of some hoe testing warnings. A rake and a hoe look out below.
– Douglas G. Allen
Sep 24 '14 at 7:18
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Sort a text file by line length including spaces
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Answer
cat testfile | awk '{ print length, $0 }' | sort -n -s | cut -d" " -f2-
Or, to do your original (perhaps unintentional) sub-sorting of any equal-length lines:
cat testfile | awk '{ print length, $0 }' | sort -n | cut -d" " -f2...
Django's SuspiciousOperation Invalid HTTP_HOST header
...ases where you simply cannot avoid using an if, for example if you need to test a variable which has no equivalent directive." My example uses it correctly and works well in my production environment. So in conclusion, DO do it like this! :)
– Brent O'Connor
O...
Why no generics in Go?
...4, 5, 6, 7, 8, 9})
PrintSlice([]string{"a", "b", "c", "d"})
}
You can test this example here https://go2goplay.golang.org/p/I09qwKNjxoq. This playground works just like the usual Go playground, but it supports generic code. See https://blog.golang.org/generics-next-step.
Parametric polymorphism...
What is a vertical tab?
...put appears to result in the default vertical size being one line. I have tested with perl "\013" and the same output occurs. This could be used to do line feed without a carriage return on devices with convert linefeed to carriage-return + linefeed.
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“Keep Me Logged In” - the best approach
...break;
}
return substr(bin2hex($r), 0, $length);
}
}
Testing in Firefox & Chrome
Advantage
Better Security
Limited access for attacker
When cookie is stolen its only valid for single access
When next the original user access the site you can automatically detect a...
Split array into chunks
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I tested the different answers into jsperf.com. The result is available there: https://web.archive.org/web/20150909134228/https://jsperf.com/chunk-mtds
And the fastest function (and that works from IE8) is this one:
function ...
How does having a dynamic variable affect performance?
...on time)
Using a dynamically-generated method that gets created before the test.
Using a dynamically-generated method that gets lazily instantiated during the test.
Each gets called 1 million times in a simple loop. Here are the timing results:
Direct: 3.4248ms
Dynamic: 45.0728ms
Reflection: 888.4...