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Extracting the last n characters from a ruby string

To get the last n characters from a string, I assumed you could use 8 Answers 8 ...
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How to get the first non-null value in Java?

Is there a Java equivalent of SQL's COALESCE function? That is, is there any way to return the first non-null value of several variables? ...
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Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]

I'm creating a colored image like this: 7 Answers 7 ...
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What is the difference between __init__ and __call__?

I want to know the difference between __init__ and __call__ methods. 13 Answers ...
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Is it possible to make a type only movable and not copyable?

I have this struct 2 Answers 2 ...
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Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent

I'm having the following issue when trying to update my entity: 23 Answers 23 ...
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Including all the jars in a directory within the Java classpath

Is there a way to include all the jar files within a directory in the classpath? 25 Answers ...
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Can PHP PDO Statements accept the table or column name as parameter?

Why can't I pass the table name to a prepared PDO statement? 7 Answers 7 ...
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Naming conventions: “State” versus “Status” [closed]

Quick question: I'd like to hear your thoughts on when to use "State" versus "Status" when naming both fields such as "Foo.currentState" vs "Foo.status" and types, like "enum FooState" vs "enum FooStatus". Is there a convention discussed out there? Should we only use one? If so which one, and if not...
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How to check if a URL is valid

How can I check if a string is a valid URL? 9 Answers 9 ...