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java Programming Glossary: twiceWhy is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array So not only is it immune the mispredictions it is also twice as fast as whatever VC and GCC can generate In other words ICC..
http://stackoverflow.com/questions/1463284/hashset-vs-treeset you may want to specify an initial capacity that's about twice the size to which you expect the set to grow. TreeSet guarantees..
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times that the getter is being called more than once per request twice or three times is what happened in my case DEBUG 2010 01 18..
Javax.swing timer repeats fine, but ActionListener doesn't do anything http://stackoverflow.com/questions/2123841/javax-swing-timer-repeats-fine-but-actionlistener-doesnt-do-anything just produce an undetectable bug . The colour would be set twice. Bring these two things together and we have two actions without..
How do I reverse an int array in Java? http://stackoverflow.com/questions/2137755/how-do-i-reverse-an-int-array-in-java 2 i The way you do it you swap each element twice so the result is the same as the initial list. share improve..
How to use java.net.URLConnection to fire and handle HTTP requests? http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests I would need the String concatenation operator more than twice. Firing a HTTP GET request with optionally query parameters..
When to use LinkedList<> over ArrayList<>? http://stackoverflow.com/questions/322715/when-to-use-linkedlist-over-arraylist than the capacity of the underlying array a new array twice the size is allocated and the old array is copied to the new..
http://stackoverflow.com/questions/3553200/hibernate-different-object-with-the-same-identifier-value-was-already-associate the cause of the exception is rolebean#1 has been saved twice in a session and their identity is the same. In the function..
What is the purpose of the expression “new String(…)” in Java? http://stackoverflow.com/questions/390703/what-is-the-purpose-of-the-expression-new-string-in-java 10 20 .toCharArray This unfortunately must copy the array twice once for toCharArray and once in the String constructor. There..
Android - What's the best way to share data between activities? http://stackoverflow.com/questions/4878159/android-whats-the-best-way-to-share-data-between-activities Serializable . Although tempting you should think twice before using Serializable it's error prone and horribly slow...
Moving decimal places over in a double http://stackoverflow.com/questions/4937402/moving-decimal-places-over-in-a-double an exact representation and by performing the calculation twice you are compounding that error. However 100 can be represented..
Pre & post increment operator behavior in C, C++, Java, & C# http://stackoverflow.com/questions/6457130/pre-post-increment-operator-behavior-in-c-c-java-c-sharp is unspecified and modifying the same object twice without an intervening sequence point is undefined behavior...
Why is subtracting these two times (in 1927) giving a strange result? http://stackoverflow.com/questions/6841333/why-is-subtracting-these-two-times-in-1927-giving-a-strange-result and 52 seconds. So 1927 12 31 23 54 08 actually happened twice and it looks like Java is parsing it as the later possible instant..
Scanner vs. StringTokenizer vs. String.Split http://stackoverflow.com/questions/691184/scanner-vs-stringtokenizer-vs-string-split fixed substrings. Because of this restriction it's about twice as fast as String.split . See my comparison of String.split..
Why does the JTable header not appear in the image? http://stackoverflow.com/questions/7369814/why-does-the-jtable-header-not-appear-in-the-image put forward by both camickr and kleopatra. I'd have put it twice but to my eye they are identical though I have not done a pixel..
Math.random() versus Random.nextInt(int) http://stackoverflow.com/questions/738629/math-random-versus-random-nextintint internally. Random.nextDouble uses Random.next twice to generate a double that has approximately uniformly distributed.. 0 to 1 2^ 53 . Random.nextInt n uses Random.next less than twice on average it uses it once and if the value obtained is above.. this effect to show up. Math.random also requires about twice the processing and is subject to synchronization. share improve..
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