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Android: how to check if a View inside of ScrollView is visible?

I have a ScrollView which holds a series of Views . I would like to be able to determine if a view is currently visible (if any part of it is currently displayed by the ScrollView ). I would expect the below code to do this, surprisingly it does not: ...
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What should I set JAVA_HOME environment variable on macOS X 10.6?

Many Java applications that use shell scripts to configure their environment use the JAVA_HOME environment variable to start the correct version of Java, locate JRE JARs, and so on. ...
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(13: Permission denied) while connecting to upstream:[nginx]

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System.MissingMethodException: Method not found?

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How does the vim “write with sudo” trick work?

Many of you have probably seen the command that allows you to write on a file that needs root permission, even when you forgot to open vim with sudo: ...
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GitHub authentication failing over https, returning wrong email address

Initiating a push or any other action with GitHub from the command line (over https, not ssh) that calls for the username and password not only fails but, when it does, it returns ...
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Stop Excel from automatically converting certain text values to dates

... I have found that putting an '=' before the double quotes will accomplish what you want. It forces the data to be text. eg. ="2008-10-03",="more text" EDIT (according to other posts): because of the Excel 2007 bug noted by Jeffiekin...
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Check if my app has a new version on AppStore

I would like to manually check if there are new updates for my app while the user is in it, and prompt him to download the new version. Can I do this by checking the version of my app in the app store - programatically? ...
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Underlining text in UIButton

Can anyone suggest how to underline the title of a UIButton ? I have a UIButton of Custom type, and I want the Title to be underlined, but the Interface Builder does not provide any option to do so. ...
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how can you easily check if access is denied for a file in .NET?

Basically, I would like to check if I have rights to open the file before I actually try to open it; I do not want to use a try/catch for this check unless I have to. Is there a file access property I can check before hand? ...