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ExecutorService that interrupts tasks after a timeout

...lem with the following (very crude) test program: public static void main(String[] args) throws InterruptedException { ExecutorService service = new TimeoutThreadPoolExecutor(1, 1, 10, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>(), 10, TimeUnit.MINUTES); //Executo...
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Regex lookahead for 'not followed by' in grep

... you can use negated character classes [^L], alternation |, and the end of string anchor $. In your case grep 'Ui\.\([^L]\|$\)' * does the job. Ui\. matches the string you're interested in \([^L]\|$\) matches any single character other than L or it matches the end of the line: [^L] or $. If you...
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How do HashTables deal with collisions?

...ts/changes of HashMap objects in case of high collisions. The alternative String hash function added in Java 7 has been removed. Buckets containing a large number of colliding keys will store their entries in a balanced tree instead of a linked list after certain threshold is reached. Above chan...
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Should Javadoc comments be added to the implementation?

...m during my PhD and found that in general folks will never be aware of the extra information in the overriding version if they are invoking through a supertype. Addressing this problem was one of the major feature of the prototype tool that I built - Whenever you invoked a method, you got an indic...
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How do I protect Python code? [closed]

..., too. E.g. mylicensedfunction(licenseblob liblob, int foo, int bar, std::string bash) – Brian Aug 9 '10 at 14:26 8 ...
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How to concatenate stdin and a string?

How to I concatenate stdin to a string, like this? 9 Answers 9 ...
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How to make an enum conform to a protocol in Swift?

...This is my attempt: protocol ExampleProtocol { var simpleDescription: String { get } mutating func adjust() } enum ExampleEnum : ExampleProtocol { case Base, Adjusted var simpleDescription: String { return self.getDescription() } func getDescription() -> String...
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Java code To convert byte to Hexadecimal

I have an array of bytes. I want each byte String of that array to be converted to its corresponding hexadecimal values. 19...
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How to remove newlines from beginning and end of a string?

I have a string that contains some text followed by a blank line. What's the best way to keep the part with text, but remove the whitespace newline from the end? ...
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?

I am looking for a way to concatenate the strings of a field within a group by query. So for example, I have a table: 14 An...