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BigDecimal - to use new or valueOf

... Those are two separate questions: "What should I use for BigDecimal?" and "What do I do in general?" For BigDecimal: this is a bit tricky, because they don't do the same thing. BigDecimal.valueOf(double) will use the canonical String representation of the double value passed in to instantiate ...
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Detect browser or tab closing

... edited Apr 22 '14 at 9:17 sandip 3,12144 gold badges2626 silver badges5151 bronze badges answered Oct 8 '10 at 8:39 ...
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What are inline namespaces for?

...ief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic solution? 5 A...
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How do I get the row count of a pandas DataFrame?

I'm trying to get the number of rows of dataframe df with Pandas, and here is my code. 14 Answers ...
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What should I name a table that maps two tables together? [closed]

...There are only two hard things in Computer Science: cache invalidation and naming things-- Phil Karlton Coming up with a good name for a table that represents a many-to-many relationship makes the relationship easier to read and understand. Sometimes finding a great name is not trivial but usu...
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Can (domain name) subdomains have an underscore “_” in it?

...perfectly legal to have an underscore in a domain name. Let me quote the standard, RFC 2181, section 11, "Name syntax": The DNS itself places only one restriction on the particular labels that can be used to identify resource records. That one restriction relates to the length of the label ...
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What does value & 0xff do in Java?

... not quite. The & operator works on long values as well, if either operand is a long. But not on byte. See the Java Language Specification, sections 15.22.1 and 5.6.2. share | improve this answe...
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Including all the jars in a directory within the Java classpath

...ion. See also: Execute jar file with multiple classpath libraries from command prompt) Understanding Wildcards From the Classpath document: Class path entries can contain the basename wildcard character *, which is considered equivalent to specifying a list of all the files in the directory with th...
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Clone Object without reference javascript [duplicate]

I have a big object with much data. And i want to clone this in other variable. When i set some param of the instance B has the same result in the original object: ...
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?

If I have some integer n, and I want to know the position of the most significant bit (that is, if the least significant bit is on the right, I want to know the position of the furthest left bit that is a 1), what is the quickest/most efficient method of finding out? ...