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How to set the text color of TextView in code?
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Android Paint: .measureText() vs .getTextBounds()
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Marcin Orlowski
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answered Sep 28 '11 at 7:05
Pointer Null...
How to implement a ViewPager with different Fragments / Layouts
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As this is a very frequently asked question, I wanted to take the time and effort to explain t...
Why does the arrow (->) operator in C exist?
...s CRM for "C Reference Manual", which came with 6th Edition Unix in May 1975), operator -> had very exclusive meaning, not synonymous with * and . combination
The C language described by CRM was very different from the modern C in many respects. In CRM struct members implemented the global conce...
How to change shape color dynamically?
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RonnieRonnie
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Trim string in JavaScript?
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Samuel Dauzon
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answered Jan 31 '09 at 15:26
Pradeep Kumar Mish...
Passing a method as a parameter in Ruby
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sigma = args.first || 10.0
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end
def weightedknn(data, vec1, k = 5, weightf = gaussian)
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weight = weightf.call(dist)
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end
Just note that you can't set a default argument in a block declaration like that. So you need to use a splat and setup the default in the proc code itsel...
Find object by id in an array of JavaScript objects
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How can I force a hard reload in Chrome for Android
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answered Sep 3 '13 at 11:57
Konrad DzwinelKonrad Dzwinel
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How to check if a String is numeric in Java
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With Apache Commons Lang 3.5 and above: NumberUtils.isCreatable or StringUtils.isNumeric.
With Apache Commons Lang 3.4 and below: NumberUtils.isNumber or StringUtils.isNumeric.
You can also use StringUtils.isNumericSpace which returns true for empty ...