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Converting an integer to a hexadecimal string in Ruby
...printf("%02x", 10).upcase
see the documentation for sprintf here: http://www.ruby-doc.org/core/classes/Kernel.html#method-i-sprintf
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ZSH complains about RVM __rvm_cleanse_variables: function definition file not found
...than creating the files and deleting them at every login.
(source: http://www.csse.uwa.edu.au/programming/linux/zsh-doc/zsh_23.html)
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In c++ what does a tilde “~” before a function name signify?
...hen that object passes out of scope or is explicitly deleted.
See https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_74/rzarg/cplr380.htm
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How to add new item to hash
...iven by key.
hash[:newKey] = "newValue"
From Ruby documentation:
http://www.tutorialspoint.com/ruby/ruby_hashes.htm
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How to fix error with xml2-config not found when installing PHP from sources?
...om source on Ubuntu (downloading compressed installation file from http://www.php.net/downloads.php ) and I run ./configure I get this error:
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Regular expression for a string containing one word but not another
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"http://www.anydotcom.com/test/search.cfm?metric=blah&selector=sized&value=1" =~ /^(?!.*details\.cfm).*selector=size.*$/ #=> 0 is incorrect. (Note the string contains "...selector=sized...".) Also, why .*$ at the end?
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RegEx to find two or more consecutive chars
...z] instead of the [a-zA-Z] to get small and upper case alpha chars
http://www.w3schools.com/jsref/jsref_obj_regexp.asp
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Function to calculate distance between two coordinates
...res databases with latitude longitude :::
//::: are available at https://www.geodatasource.com :::
//::: :::
//::: For enquiries, please contact sales@geodatasource.com :::
//::: ...
When to use margin vs padding in CSS [closed]
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From https://www.w3schools.com/css/css_boxmodel.asp
Explanation of the different parts:
Content - The content of the box, where text and images appear
Padding - Clears an area around the content. The padding is transparent
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How to document thrown exceptions in c#/.net
...lidate the exceptions thrown by your methods are being documented.
http://www.josefcobonnin.com/post/2009/01/11/Xml-Documentation-Comments-Exceptions-I.aspx
http://www.josefcobonnin.com/post/2009/01/15/Xml-Documentation-Comments-Exceptions-II.aspx
Regards.
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