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How can I iterate through the unicode codepoints of a Java String?

So I know about String#codePointAt(int) , but it's indexed by the char offset, not by the codepoint offset. 4 Answers ...
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ruby convert array into function arguments

Say I have an array. I wish to pass the array to a function. The function, however, expects two arguments. Is there a way to on the fly convert the array into 2 arguments? For example: ...
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Test whether a Ruby class is a subclass of another class

I would like to test whether a class inherits from another class, but there doesn't seem to exist a method for that. 2 Answ...
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Bower and devDependencies vs dependencies

I ran 'yo angular' and realized afterwards that it installs 1.0.8, I uninstalled the angular components, however the original bower.json file had angular-mocks and angular-scenario under 'devDependencies' when I re-add all the 1.2.0-rc.2 components angular-mocks and angular-scenario under dependenci...
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Is it a good idea to index datetime field in mysql?

I am working on designing a large database. In my application I will have many rows for example I currently have one table with 4 million records. Most of my queries use datetime clause to select data. Is it a good idea to index datetime fields in mysql database? ...
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What happens if you static_cast invalid value to enum class?

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Fast ceiling of an integer division in C / C++

Given integer values x and y , C and C++ both return as the quotient q = x/y the floor of the floating point equivalent. I'm interested in a method of returning the ceiling instead. For example, ceil(10/5)=2 and ceil(11/5)=3 . ...
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Ruby Regexp group matching, assign variables on 1 line

I'm currently trying to rexp a string into multiple variables. Example string: 5 Answers ...
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Measuring function execution time in R

Is there a standardized way in R of measuring execution time of function? 10 Answers 1...
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How to check if a string starts with a specified string? [duplicate]

I'm trying to check if a string starts with http . How can I do this check? 6 Answers ...