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How to indicate param is optional using inline JSDoc?

...ccording to the JSDoc wiki for @param you can indicate a @param is optional using 4 Answers ...
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How can I reverse a NSArray in Objective-C?

...ectEnumerator. Pretty neat way to do it. – Brent Royal-Gordon Feb 25 '09 at 15:34 4 Because C++-...
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Making a Location object in Android with latitude and longitude values

I have a program in which latitude and longitude values of a location are stored in a database, which I download. 3 Answer...
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Rails migrations: self.up and self.down versus change

... For example, in your case what is the reverse operation of add_column to call when you rollback? Of course it's remove_column. What is the inverse of create_table? It's drop_table. So in these cases rails know how to rollback and define a down method is superfluous (you can see in the documentation...
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Load “Vanilla” Javascript Libraries into Node.js

There are some third party Javascript libraries that have some functionality I would like to use in a Node.js server. (Specifically I want to use a QuadTree javascript library that I found.) But these libraries are just straightforward .js files and not "Node.js libraries". ...
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SQL Server Management Studio won't let me add an index to a table

... "New Index" menu item is grayed out. I don't understand why. I've deleted all data in the table just in case, and refreshed and restarted SSMS, but no luck. I'm using SQL Server 2012 Business Intelligence SP1 CTP. ...
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Dialog to pick image from gallery or from camera

Is there a standard way to call dialog box with choose either to pick an image from the camera or to get from gallery (like in build-in phone book or Skype)? ...
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Android: “Path for project must have only one segment”

...thought that if I right-click the project, its name will be taken automatically. Anyway, it works now. Yeah! :) share | improve this answer | follow | ...
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'dragleave' of parent element fires when dragging over children elements

... If you don't need to bind events to the child elements, you can always use the pointer-events property. .child-elements { pointer-events: none; } share | improve this answer ...
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Delete all but the most recent X files in bash

...n a pretty standard UNIX environment with bash, to run a command to delete all but the most recent X files from a directory? ...