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Show and hide a View with a slide up/down animation

I have a LinearLayout that I want to show or hide with an Animation that pushes the layout upwards or downwards whenever I change its visibility. ...
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How to store standard error in a variable

... It would be neater to capture the error file thus: ERROR=$(</tmp/Error) The shell recognizes this and doesn't have to run 'cat' to get the data. The bigger question is hard. I don't think there's an easy way to do it....
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AngularJS : Prevent error $digest already in progress when calling $scope.$apply()

... Don't use this pattern - This will end up causing more errors than it solves. Even though you think it fixed something, it didn't. You can check if a $digest is already in progress by checking $scope.$$phase. if(!$scope.$$phase) { //$digest or $apply } $scope.$$phase will return "$d...
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Convert HTML + CSS to PDF [closed]

...ave an HTML (not XHTML) document that renders fine in Firefox 3 and IE 7. It uses fairly basic CSS to style it and renders fine in HTML. ...
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Android: Difference between onInterceptTouchEvent and dispatchTouchEvent?

...ate about explaining this. dispatchTouchEvent is actually defined on Activity, View and ViewGroup. Think of it as a controller which decides how to route the touch events. For example, the simplest case is that of View.dispatchTouchEvent which will route the touch event to either OnTouchListener....
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PEP 8, why no spaces around '=' in keyword argument or a default parameter value?

... I guess that it is because a keyword argument is essentially different than a variable assignment. For example, there is plenty of code like this: kw1 = some_value kw2 = some_value kw3 = some_value some_func( 1, 2, kw1=kw1, ...
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What's the best/easiest GUI Library for Ruby? [closed]

...ended to be a really simple GUI framework. I don't know how fully featured it is, though. Some good code samples can be found in the tutorials. Also, I think shoes powers hackety hack, a compelling programming learning environment for youngsters. ...
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How to sleep for five seconds in a batch file/cmd [duplicate]

...mmand: ping 127.0.0.1 -n 6 > nul Explanation: ping is a system utility that sends ping requests. ping is available on all versions of Windows. 127.0.0.1 is the IP address of localhost. This IP address is guaranteed to always resolve, be reachable, and immediately respond to pings. -n 6 speci...
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Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]

Consider the following example on a 32 bit x86 machine: 11 Answers 11 ...
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C++ performance challenge: integer to std::string conversion

... #include <string> const char digit_pairs[201] = { "00010203040506070809" "10111213141516171819" "20212223242526272829" "30313233343536373839" "40414243444546474849" "50515253545556575859" "60616263646566676869" "70717273747576777879" "8081...