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What is the equivalent of the C++ Pair in Java?

...bout the relationship between the two values (how do you know what "first" and "second" mean ?). A better practice is to write a very simple class, like the one Mike proposed, for each application you would have made of the Pair class. Map.Entry is an example of a pair that carry its meaning in its...
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How do I insert a linebreak where the cursor is without entering into insert mode in Vim?

...er (the space) with Enter. Then, fspace. to move forward to the next space and repeat the last command. Depending on your autoindent settings, the above may or may not indent the return statement properly. If not, then use sEnterTabEsc instead to replace the space with a newline, indent the line, a...
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Programmatically add custom event in the iPhone Calendar

... access to the user's calendar via "requestAccessToEntityType:completion:" and execute the event handling inside of a block. 2) You need to commit your event now or pass the "commit" param to your save/remove call Everything else stays the same... Add the EventKit framework and #import <EventK...
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How do I check whether a file exists without exceptions?

...open_it(), it's safer to use a try around the attempt to open it. Checking and then opening risks the file being deleted or moved or something between when you check and when you try to open it. If you're not planning to open the file immediately, you can use os.path.isfile Return True if path ...
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Hidden features of HTML

...st it with HTTP. This prevents that awful "This Page Contains Both Secure and Non-Secure Items" error message in IE, keeping all your asset requests within the same protocol. Caveat: When used on a <link> or @import for a stylesheet, IE7 and IE8 download the file twice. All other uses, howev...
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How to initialize/instantiate a custom UIView class with a XIB file in Swift

... I tested this code and it works great: class MyClass: UIView { class func instanceFromNib() -> UIView { return UINib(nibName: "nib file name", bundle: nil).instantiateWithOwner(nil, options: nil)[0] as UIView } }...
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When do I use a dot, arrow, or double colon to refer to members of a class in C++?

...ing that C++ has three ways to refer to members of a class: a::b , a.b , and a->b . When do I use which one of these operators? ...
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Example: Communication between Activity and Service using Messaging

I couldn't find any examples of how to send messages between an activity and a service, and I have spent far too many hours figuring this out. Here is an example project for others to reference. ...
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What is the difference between “AS” and “IS” in an Oracle stored procedure?

I see Oracle procedures sometimes written with "AS", and sometimes with "IS" keyword. 6 Answers ...
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CALL command vs. START with /WAIT option

How is the START command with a WAIT option 6 Answers 6 ...