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How do I change screen orientation in the Android emulator?
How do we change emulator screen orientation to landscape or portrait?
26 Answers
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Shall we always use [unowned self] inside closure in Swift
...t to use [unowned self]. Sometimes you want the closure to capture self in order to make sure that it is still around by the time the closure is called.
Example: Making an asynchronous network request
If you are making an asynchronous network request you do want the closure to retain self for when...
Get list of data-* attributes using javascript / jQuery
Given an arbitrary HTML element with zero or more data-* attributes, how can one retrieve a list of key-value pairs for the data.
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Use rvmrc or ruby-version file to set a project gemset with RVM?
...M, the Ruby Version Manager to specify a Ruby version and a set of gems for each of my Rails projects.
5 Answers
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How to upgrade rubygems
...ems-update
update_rubygems
gem update --system
run this commands as root or use sudo.
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Why can't C++ be parsed with a LR(1) parser?
I was reading about parsers and parser generators and found this statement in wikipedia's LR parsing -page:
6 Answers
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Why extend the Android Application class?
...io in which extending Application is either preferable to another approach or necessary to accomplish something. If you have an expensive, frequently used object you can initialize it in an IntentService when you detect that the object isn't currently present. Application itself runs on the UI threa...
Eclipse copy/paste entire line keyboard shortcut
Anyone know the keyboard shortcut to copy/paste a line into a new line in Eclipse , without having to highlight the entire line?
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Windows XP or later Windows: How can I run a batch file in the background with no window displayed?
..., you'll want to put an exit command at the end of your second batch file, or you'll be within a second cmd shell once everything is done.
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Is putting a div inside an anchor ever correct?
...; element "may be wrapped around entire paragraphs, lists, tables, and so forth, even entire sections, so long as there is no interactive content within (e.g. buttons or other links)".
HTML 4.01 specifies that <a> elements may only contain inline elements. A <div> is a block element, so ...