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Set initial focus in an Android application

In my Android application it automatically focuses the first Button I have in my layout, giving it an orange outline. How can I set the initial focus preferably in XML, and can this be set to nothing? ...
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Navigation bar show/hide

...an app with a navigation bar consisting of 2 bar buttons. I would like to hide and show this navigation bar when a user double taps the screen. ...
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Copy files from one directory into an existing directory

...he current directory, not the directory itself. This method also includes hidden files and folders. share | improve this answer | follow | ...
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How to check if a path is absolute path or relative path in cross platform way with Python?

...erfectly clear to anyone else who might find this: `c:\` is a perfectly valid file/directory name in unix. So, it would really be a relative path on a unix system. Hence, the function is cross-platform. Because, it takes the specialties of Windows and Unix into account. – Lemmi...
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Who is listening on a given TCP port on Mac OS X?

...at -pntl | grep $PORT or fuser -n tcp $PORT to find out which process (PID) is listening on the specified TCP port. How do I get the same information on Mac OS X? ...
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Find directory name with wildcard or similar to “like”

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...
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Brew doctor says: “Warning: /usr/local/include isn't writable.”

... @WillemLabu one less process fork? whoami is effective user id and as the man page says is obsolete :) bash is default shell on OSX and somewhere USER is getting set. – jrwren Mar 5 '14 at 18:54 ...
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How do I do an OR filter in a Django query?

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How do JavaScript closures work?

...ent is part of every execution context (stack frame), and is a map between identifiers (ie. local variable names) and values. Every function in JavaScript maintains a reference to its outer lexical environment. This reference is used to configure the execution context created when a function is invo...
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How to sort a collection by date in MongoDB?

...back. Whatever you want to do with the query result, you put that logic inside your callback. You can read more on what callbacks are and how they work to learn event based programming. – Sushant Gupta Nov 17 '15 at 14:20 ...