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Scala vs. Groovy vs. Clojure [closed]
Can som>me m>one please explain the major differences between Scala, Groovy and Clojure. I know each of these compiles to run on the JVM but I'd like a simple comparison between them.
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What does map(&:nam>me m>) m>me m>an in Ruby?
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It's shorthand for tags.map(&:nam>me m>.to_proc).join(' ')
If foo is an object with a to_proc m>me m>thod, then you can pass it to a m>me m>thod as &foo, which will call foo.to_proc and use that as the m>me m>thod's block.
The Symbol#to_proc m>me m>thod was originally added b...
How can I kill a process by nam>me m> instead of PID?
Som>me m>tim>me m>s when I try to start Firefox it says "a Firefox process is already running". So I have to do this:
18 Answers
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postgresql return 0 if returned value is null
...LESCE(value [, ...])
The COALESCE function returns the first of its argum>me m>nts that is not null.
Null is returned only if all argum>me m>nts are null. It is often
used to substitute a default value for null values when data is
retrieved for display.
Edit
Here's an example of COALESCE with your qu...
How to clear APC cache entries?
... completely separate process from Apache.
– Frank Farm>me m>r
May 26 '09 at 18:59
9
Frank Farm>me m>r: I co...
How do I round a decimal value to 2 decimal places (for output on a page)
When displaying the value of a decimal currently with .ToString() , it's accurate to like 15 decimal places, and since I'm using it to represent dollars and cents, I only want the output to be 2 decimal places.
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How to cherry pick a range of commits and m>me m>rge into another branch?
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When it com>me m>s to a range of commits, cherry-picking is was not practical.
As m>me m>ntioned below by Keith Kim, Git 1.7.2+ introduced the ability to cherry-pick a range of commits (but you still need to be aware of the consequence of cherry...
What are the differences between vector and list data types in R?
What are the main differences between vector and list data types in R? What are the advantages or disadvantages of using (or not) these two data types?
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Add UIPickerView & a Button in Action sheet - How?
...signed to be subclassed, nor should you add views to its hierarchy
I recomm>me m>nd against trying to customize the contents of an ActionSheet, as it can lead to serious invalid context errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different appr...
How do I find the tim>me m> difference between two datetim>me m> objects in python?
How do I tell the tim>me m> difference in minutes between two datetim>me m> objects?
15 Answers
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