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What is the difference between single-quoted and double-quoted strings in PHP?
...r in which single and double quotes are essentially equally fast since PHP 4.3 (Useless Optimizations toward the bottom, section C). Also, this benchmarks page has a single vs double quote comparison. Most of the comparisons are the same. There is one comparison where double quotes are slower than s...
Detect whether there is an Internet connection available on Android [duplicate]
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1430
The getActiveNetworkInfo() method of ConnectivityManager returns a NetworkInfo instance repres...
What happens when there's insufficient memory to throw an OutOfMemoryError?
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145
The JVM never really runs out of memory. It does memory computation of the heap stack in advanc...
Listing only directories in UNIX
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answered Sep 8 '10 at 11:45
David HancockDavid Hancock
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Convert string with commas to array
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I Hate LazyI Hate Lazy
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How to construct a relative path in Java from two absolute paths (or URLs)?
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ryenus
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answered Oct 15 '08 at 17:32
Adam CrumeAdam Crume
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Measure elapsed time in Swift
...uptimeNanoseconds // <<<<< Difference in nano seconds (UInt64)
let timeInterval = Double(nanoTime) / 1_000_000_000 // Technically could overflow for long running tests
print("Time to evaluate problem \(problemNumber): \(timeInterval) seconds")
return theAnswer
}
Old ans...
How do you return a JSON object from a Java Servlet
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answered Jan 6 '10 at 4:42
Mark ElliotMark Elliot
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How to print a float with 2 decimal places in Java?
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edited Feb 20 '18 at 12:41
Sandeep Yohans
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answered Mar 29 '10 ...
Extracting the last n characters from a string in R
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AndrieAndrie
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