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How to check if BigDecimal variable == 0 in java?
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Use compareTo(BigDecimal.ZERO) instead of equals():
if (price.compareTo(BigDecimal.ZERO) == 0) // see below
Comparing with the BigDecimal constant BigDecimal.ZERO avoids having to construct a new BigDecimal(0) every execution....
How to select multiple files with ?
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Set selected radio from radio group with a value
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148
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Is there a difference between foreach and map?
Ok this is more of a computer science question, than a question based on a particular language, but is there a difference between a map operation and a foreach operation? Or are they simply different names for the same thing?
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Expand/collapse section in UITableView in iOS
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103
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Commenting code in Notepad++
...d any means (not the manual way but something like in Emacs) to do a block comment in my code.
10 Answers
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What to do about a 11000 lines C++ source file?
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community wiki
Steve Jessop
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How to make the division of 2 ints produce a float instead of another int?
...The other operand will be effectively automatically cast to a float by the compiler because the rules say that if either operand is of floating point type then the operation will be a floating point operation, even if the other operand is integral. Java Language Specification, §4.2.4 and §15.17
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How to serialize an Object into a list of URL query parameters?
...str != "") {
str += "&";
}
str += key + "=" + encodeURIComponent(obj[key]);
}
Example: http://jsfiddle.net/WFPen/
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