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Difference between map and collect in Ruby?

I have Googled this and got patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails? ...
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Action bar navigation modes are deprecated in Android L

...king a look at the API diff report for the Android "L" preview, I see that all methods related to navigation modes in the ActionBar class (such as setNavigationMode() , addTab() , selectTab() , &c). are now deprecated. ...
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Structs versus classes

I'm about to create 100,000 objects in code. They are small ones, only with 2 or 3 properties. I'll put them in a generic list and when they are, I'll loop them and check value a and maybe update value b . ...
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Pass props to parent component in React.js

...ase of direct parent-child relationship. When parent and child have potentially a lot of intermediaries, check this answer. Other solutions are missing the point While they still work fine, other answers are missing something very important. Is there not a simple way to pass a child's props to...
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The difference between sys.stdout.write and print?

...ble, but by default with a space between args and newline at the end) and calls the write function of a given object. By default this object is sys.stdout, but you can pass a file using the "chevron" form. For example: print >> open('file.txt', 'w'), 'Hello', 'World', 2+3 See: https://docs....
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How to save a plot as image on the disk?

...d like to save that image as PNG or JPEG, is it possible to do it automatically? (via code) 11 Answers ...
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Parse usable Street Address, City, State, Zip from a string [closed]

...ase which has been converted to Sql Server 2005. This field has everything all in one field. I need to parse out the individual sections of the address into their appropriate fields in a normalized table. I need to do this for approximately 4,000 records and it needs to be repeatable. ...
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Switch statement fall-through…should it be allowed? [closed]

For as long as I can remember I have avoided using switch statement fall-through. Actually, I can't remember it ever entering my consciousness as a possible way to do things as it was drilled into my head early on that it was nothing more than a bug in the switch statement. However, today I ran acro...
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Does MySQL index foreign key columns automatically?

Does MySQL index foreign key columns automatically? 9 Answers 9 ...
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PHP UML Generator [closed]

...XMI file Can convert UML/XMI content from version 1.4 to version 2.1 Install it on the command line via: $ pear install pear/php_uml (This used to be $ pear install pear/php_uml-alpha but the package has since gone stable.) Generate your xmi: $ phpuml -o project.xmi ...