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What's the best practice to round a float to 2 decimals? [duplicate]
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I was working with statistics in Java 2 years ago and I still got the codes of a function that...
How to validate an Email in PHP?
... a small amount of differences, reading the Manual should suffice.
Update 1: As pointed out by @binaryLV:
PHP 5.3.3 and 5.2.14 had a bug related to
FILTER_VALIDATE_EMAIL, which resulted in segfault when validating
large values. Simple and safe workaround for this is using strlen()
before...
How can I profile Python code line-by-line?
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I believe that's what Robert Kern's line_profiler is intended for. From the link:
File: pyst...
How do I check to see if a value is an integer in MySQL?
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How do you round a floating point number in Perl?
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13 Answers
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Get Slightly Lighter and Darker Color from UIColor
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19 Answers
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Error to install Nokogiri on OSX 10.9 Maverick?
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You can also install Nokogiri on Mac OS X 10.9 Mavericks with full XCode Install using:
gem install nokogiri -- --with-xml2-include=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/libxml2
Update
For t...
How do you detect Credit card type based on number?
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The credi...