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java Programming Glossary: proveWhat are the cases in which it is better to use unconditional AND (& instead of &&) http://stackoverflow.com/questions/11411907/what-are-the-cases-in-which-it-is-better-to-use-unconditional-and-instead-of use the single is worth it. java optimization share improve this question I have found cases in real life where both sides.. have done it anyway without exhaustive benchmarking to prove it was better. To give specific examples x 0 is going to be..
What is the difference between a synchronized method and synchronized block in Java? http://stackoverflow.com/questions/1149928/what-is-the-difference-between-a-synchronized-method-and-synchronized-block-in-j on Class java multithreading synchronization share improve this question A synchronized method uses the method receiver..
How is values() implemented for Java 6 enums? http://stackoverflow.com/questions/1163076/how-is-values-implemented-for-java-6-enums only returning a new instance from values when it cannot prove that it will not be modified. Thanks in advance. Cheers LES.. Thanks in advance. Cheers LES java enums share improve this question Basically the compiler javac translates your..
any experience with “Play” java web development framework? [closed] http://stackoverflow.com/questions/1597086/any-experience-with-play-java-web-development-framework worth studying it java frameworks playframework share improve this question I agree with Jason that Play might just prove.. this question I agree with Jason that Play might just prove to be better than Grails. With four Grails projects under my.. run pretty slow. Plus I find that while GANT is a huge improvement over XML ANT it's still hard to wrap your head around the..
Java NIO FileChannel versus FileOutputstream performance / usefulness http://stackoverflow.com/questions/1605332/java-nio-filechannel-versus-fileoutputstream-performance-usefulness time1 ms java optimization file nio operations share improve this question My experience with larger files sizes has been.. with buffers of 1KB 2KB 4KB 8KB 16KB 32KB and 64KB to prove it to yourself. Don't perform java benchmarks that read and..
What to learn for making Java web applications in Java EE 6? [closed] http://stackoverflow.com/questions/1960280/what-to-learn-for-making-java-web-applications-in-java-ee-6 tutorials Thanks java java ee web applications share improve this question Even if I know that this will be controversial.. a beginner. So because I think that Java EE 6 is a big improvement over previous versions of Java EE because it provides really.. time to all other frameworks and or tools to adapt and prove that there is still a need for them. And if there is it will..
How to demonstrate race conditions around values that aren't published properly? http://stackoverflow.com/questions/2624638/how-to-demonstrate-race-conditions-around-values-that-arent-published-properly Because I like to code examples and break them to prove how they work. I have tried to make it throw an AssertionError.. they may occasionally do so and we can't write code to prove it java concurrency share improve this question I'd run.. can't write code to prove it java concurrency share improve this question I'd run this on a multiprocessor machine for..
using JInternalFrame and some JButton http://stackoverflow.com/questions/2741036/using-jinternalframe-and-some-jbutton how thks java swing jbutton jinternalframe share improve this question I don't know a way to put a JButton directly..
Can anyone quantify performance differences between C++ and Java? http://stackoverflow.com/questions/313446/can-anyone-quantify-performance-differences-between-c-and-java to C Be specific. java c performance comparison share improve this question JIT compilers can be faster for many individual.. true the JIT can allocate objects on the stack if it can prove by escape analysis that references to the object will not outlive..
When exactly do you use the volatile keyword in Java? http://stackoverflow.com/questions/3488703/when-exactly-do-you-use-the-volatile-keyword-in-java in multithreaded code java multithreading share improve this question You basically use it when you want to let a.. CPU cache etc. but then again the compiler could prove that your field cannot ever be accessed by multiple threads..
http://stackoverflow.com/questions/3847162/java-generics-super-keyword that this is the right behaviour but the basic logic could prove the opposite String is Object Object is superclass of Number... the missing part of logic chain java generics share improve this question The bounded wildcard in List super Number can..
Very Large Numbers in Java Without using java.math.BigInteger http://stackoverflow.com/questions/5318068/very-large-numbers-in-java-without-using-java-math-biginteger to solve that. java math biginteger integer share improve this question I think a programmer should have implemented.. if we write it in another format. We can observe and prove the following If we have a two digit number x with first digit..
How do i align this text correctly? http://stackoverflow.com/questions/6238037/how-do-i-align-this-text-correctly i 2 java swing applet rotation java 2d share improve this question Here's a simple example of rotating text. Addendum.. straight line tangent to the arc. The latter approach may prove simpler. For example this variation centers the labels across..
Can a Java class add a method to itself at runtime? http://stackoverflow.com/questions/6680674/can-a-java-class-add-a-method-to-itself-at-runtime java reflection code generation javassist share improve this question It's not simple. Once a class is loaded by a.. custom classloader I leave that as food for thought can't prove if this leads to a solution or if we have pitfalls. As a simple..
Is there a difference between String concat and the + operator in Java? [duplicate] http://stackoverflow.com/questions/693597/is-there-a-difference-between-string-concat-and-the-operator-in-java concat in terms of memory usage. java string share improve this question There's no difference in this particular case.. new StringBuilder .append str1 .append str2 .toString To prove this to yourself just make a simple method that takes two strings..
Order of XML attributes after DOM processing http://stackoverflow.com/questions/726395/order-of-xml-attributes-after-dom-processing manually modify the output file. java xml dom share improve this question Sorry to say but the answer is more subtle than.. result tree are around one million lines XML diff tools prove too unwieldy... In these cases preserving attribute order is..
Is support for compressed Strings being dropped? http://stackoverflow.com/questions/8833385/is-support-for-compressed-strings-being-dropped only 1.0 GB. java performance jvm java 7 share improve this question Originally this option was added to improve.. this question Originally this option was added to improve SPECjBB performance. The gains are due to reduced memory bandwidth.. heap space and GC takes a lot of time this option can prove useful. If enough memory capacity constrained production like..
JTable duplicate values in row http://stackoverflow.com/questions/9132987/jtable-duplicate-values-in-row row fireTableDataChanged java swing jtable share improve this question Here's a complete example that may prove helpful... improve this question Here's a complete example that may prove helpful. As the sample Map is unmodifiable I refer you to @mKorbel's..
When not to use Regex in C# (or Java, C++, etc.) http://stackoverflow.com/questions/968919/when-not-to-use-regex-in-c-sharp-or-java-c-etc look like a simple regex expression will solve but which prove to be very hard to solve with regex. So how does someone that.. makes a Regex so unreadable. c# java regex share improve this question Don't try to use regex to parse hierarchical.. text like program source or nested XML they are proven to be not powerful enough for that for example they can't for..
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