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What does the “map” method do in Ruby?
I'm new to programming. Can someone explain what .map would do in:
7 Answers
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jQuery/JavaScript to replace broken images
... under control and can even be useful when you want your markup to reflect what is actually going to happen.
– Nicole
Feb 18 '10 at 21:41
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Light weight alternative to Hibernate? [closed]
...m. Hibernate appears to require a lot of configuration and is overkill for what I need. What are light weight alternatives to Hibernate?
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Safest way to convert float to integer in python?
...ou are programming with the C-API, python 3 you have to be very careful in what the definition of long and size_t is on your platform. docs.python.org/3/c-api/long.html
– Juan
Sep 27 '17 at 14:21
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Why should I use an IDE? [closed]
...e most/all of my colleagues use either vim or emacs for all of their work, what are the advantages of IDEs? Why should I use one?
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Disable Visual Studio code formatting in Razor
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Awesome, this is exactly what is needed to drive this away! Thx!
– Martin S Ek
Aug 20 '15 at 7:24
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How to get a variable name as a string in PHP?
...cause you shouldn't have to do it. There are probably better ways of doing what you're trying to do.
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Java: when to use static methods
...Kpl(double mpg)
...which would be static, because one might want to know what 35mpg converts to, even if nobody has ever built a Car. But this method (which sets the efficiency of one particular Car):
void setMileage(double mpg)
...can't be static since it's inconceivable to call the method be...
How to elegantly rename all keys in a hash in Ruby? [duplicate]
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Hi, @ClaytonSelby. Can you better explain what is confusing you?
– barbolo
Mar 10 '15 at 13:01
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What is the purpose of a question mark after a type (for example: int? myVariable)?
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The second sentence confuses me. What do you mean by "cannot"? On the compiler level or in the application context.
– problemofficer
Jun 29 '17 at 22:00
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