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Is a RelativeLayout more expensive than a LinearLayout?
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Relativelayout is more effective than Linearlayout.
From here:
It is a common misconception that using the basic layout structures leads to the most efficient layouts. However, each widget and layout you add to your application requires initialization, layout, and drawing....
jQuery get values of checked checkboxes into array
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I was expecting true Array from $.map. Thanks for the solution, it works.
– if __name__ is None
Apr 23 '13 at 15:16
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Scala list concatenation, ::: vs ++
...d even iterators. List, however, got to keep its original operators, aside from one or two which got deprecated.
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How to create a UIView bounce animation?
...tion for a UIView called finalScoreView , which makes it enter the screen from the top:
4 Answers
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Combine two data frames by rows (rbind) when they have different sets of columns
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rbind.fill from the package plyr might be what you are looking for.
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Why is a pure virtual function initialized by 0?
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Please God keep me away from those projects :-)
– anon
Jan 28 '10 at 19:03
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Recursion or Iteration?
...ml
Link 2: Mastering Recursion
Most of recursion's bad reputation comes from the high costs and inefficiency in imperative languages. The author of this article talks about how to optimize recursive algorithms to make them faster and more efficient. He also goes over how to convert a traditiona...
Android Preferences: How to load the default values when the user hasn't used the preferences-screen
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this question is similar to mine:
initialize-preferences-from-xml-in-main-activity
Just use this code in onCreate method:
PreferenceManager.setDefaultValues(this, R.xml.preference, false);
It will load your preferences from XML, and last parameter (readAgain) will guarantee that u...
Compare double to zero using epsilon
...ble can store exponents less than the exponent of epsilon.
You can't tell from this code alone whether it makes sense or not to use epsilon specifically as the bound, you need to look at the context. It may be that epsilon is a reasonable estimate of the error in the calculation that produced someV...
What is normalized UTF-8 all about?
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You might think that, but from the annex: "To transform a Unicode string into a given Unicode Normalization Form, the first step is to fully decompose the string". Thus even wehn running NFC, Q-Caron would first become become Q+Caron, and could not re...