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java Programming Glossary: turnedhttp://stackoverflow.com/questions/1183645/eval-in-scala is to call compiled Scala code from Java because it gets turned into to regular JVM bytecode . But how can I evaluate a Scala..
Most efficient way to create InputStream from OutputStream http://stackoverflow.com/questions/1225909/most-efficient-way-to-create-inputstream-from-outputstream advise from Laurence Gonsalves i tried PipedStreams and it turned out they are not that hard to deal with. Here's the sample code..
http://stackoverflow.com/questions/1276308/exception-vs-assertion code's control. Don't forget that assertions can be turned on and off if you care about things like argument validation..
How to turn off the Eclipse code formatter for certain sections of Java code? http://stackoverflow.com/questions/1820908/how-to-turn-off-the-eclipse-code-formatter-for-certain-sections-of-java-code off ... @formatter on The on off features have to be turned on in Eclipse preferences Java Code Style Formatter. Click on..
Are there C++ equivalents for the Protocol Buffers delimited I/O functions in Java? http://stackoverflow.com/questions/2340730/are-there-c-equivalents-for-the-protocol-buffers-delimited-i-o-functions-in-ja I need but some spelunking through the Java API reference turned up the following inside the MessageLite interface void writeDelimitedTo..
Why don't Java Generics support primitive types? http://stackoverflow.com/questions/2721546/why-dont-java-generics-support-primitive-types ClassA list.add new ClassA ClassA a list.get 0 gets turned into roughly List list new ArrayList list.Add new ClassA ClassA..
http://stackoverflow.com/questions/2758224/assertion-in-java by way of the ea option on the java command but are not turned on by default. An example public Foo acquireFoo int id Foo result..
Can the JVM recover from an OutOfMemoryError without a restart http://stackoverflow.com/questions/3058198/can-the-jvm-recover-from-an-outofmemoryerror-without-a-restart whereby the failure of Thread #1 due to the OOME gets turned into an inter thread communication failure notification to Thread..
JSTL in JSF2 Facelets… makes sense? http://stackoverflow.com/questions/3342984/jstl-in-jsf2-facelets-makes-sense with view scoped beans when partial state saving is turned on as by default . When you reference a view scoped bean in..
Find Java classes implementing an interface [duplicate] http://stackoverflow.com/questions/435890/find-java-classes-implementing-an-interface . It uses the ASM library. You can use reflection but ASM turned out to perform better. I put my package in an open source library..
How to iteratively generate k elements subsets from a set of size n in java? http://stackoverflow.com/questions/4504974/how-to-iteratively-generate-k-elements-subsets-from-a-set-of-size-n-in-java 2 and subsets of size 1 Well any subset of size 2 can be turned into a subset of size 1 by removing its largest element. Put.. arbitrary size k observe that any subset of size k can be turned into a subset of size k 1 by chopping of the largest element...
Is System.nanoTime() completely useless? http://stackoverflow.com/questions/510462/is-system-nanotime-completely-useless that each cpu will keep a different counter since it was turned on. This counter can be lower on the 2nd cpu compared to the..
How do I use the Jersey JSON POJO support? http://stackoverflow.com/questions/5161466/how-do-i-use-the-jersey-json-pojo-support as a RESTful resource. I have Jersey's JSON POJO support turned on like so in web.xml servlet servlet name Jersey Web Application..
Fast transcendent / trigonometric functions for Java http://stackoverflow.com/questions/523531/fast-transcendent-trigonometric-functions-for-java precisions. Edit Getting my copy off the shelf it turned out to be a different book that just sounds very similar. Here's..
Virtual Memory Usage from Java under Linux, too much memory used http://stackoverflow.com/questions/561245/virtual-memory-usage-from-java-under-linux-too-much-memory-used the 7k is a result of libraries used by the OS. SWAP isn't turned on by default and isn't shown here. It indicates the amount..
Under what conditions is a JSESSIONID created? http://stackoverflow.com/questions/595872/under-what-conditions-is-a-jsessionid-created new session if there is no session yet. This can be turned off by session 'false' page directive in which case session..
Why are interface method invocations slower than concrete invocations? http://stackoverflow.com/questions/6839943/why-are-interface-method-invocations-slower-than-concrete-invocations possible that it was slower on the Dalvik VM before they turned on the JIT . The documentation does now say Performance Myths..
Efficiently color cycling an image in Java http://stackoverflow.com/questions/7544559/efficiently-color-cycling-an-image-in-java The answer has since been deleted but it turned out to be a good idea. Now I only create one MemoryImageSource..
Efficiency of Java “Double Brace Initialization”? http://stackoverflow.com/questions/924285/efficiency-of-java-double-brace-initialization loaded classes may be a factor in some cases. Question 2 turned out to be most interesting to me. If I understand the answers..
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