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Is there a Java standard “both null or equal” static method?
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With Java 7 you can now directly do a null safe equals:
Objects.equals(x, y)
(The Jakarta Commons library ObjectUtils.equals() has become obsolete with Java 7)
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Format an Integer using Java String Format
I am wondering if it is possible, using the String.format method in Java, to give an integer preceding zeros?
3 Answers
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Placing an image to the top right corner - CSS
...image on the top-right corner of a div (the image is a "diagonal" ribbon) but keeping the current text contained in an internal div, like stuck to the top of it.
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How to convert BigDecimal to Double in Java?
How we convert BigDecimal into Double in java? I have a requirement where we have to use Double as argument but we are getting BigDecimal so i have to convert BigDecimal into Double .
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Is “ ” a replacement of “ ”?
... to add few white spaces between two text boxes by typing space bar. The equivalent HTML source was   instead of   . So I just wanted to check: is this the new replacement for white space? If yes, any idea why they changed?
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RegEx - Match Numbers of Variable Length
I'm trying to parse a document that has reference numbers littered throughout it.
5 Answers
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How is “int main(){(([](){})());}” valid C++?
...he beginning: [](){} is an empty lambda expression.
Then, in C and C++, you can wrap expressions in parens and they behave exactly the same† as if written without them, so that's what the first pair of parens around the lambda does. We're now at ([](){}).
Then, () after the first wrapping parens...
What are the Dangers of Method Swizzling in Objective-C?
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I think this is a really great question, and it's a shame that rather than tackling the real question, most answers have skirted the issue and simply said not to use swizzling.
Using method sizzling is like using sharp knives in the kitchen. So...
How to get JSON objects value if its name contains dots?
I have a very simple JSON array (please focus on "points.bean.pointsBase" object):
5 Answers
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Android imageview not respecting maxWidth?
So, I have an imageview that should display an arbitrary image, a profile picture downloaded from the internet. I want this the ImageView to scale its image to fit inside the height of the parent container, and a set max width of 60dip. However, if the image is tall ratio-wise, and doesn't need the ...