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java Programming Glossary: conclusionhttp://stackoverflow.com/questions/14624365/immutability-and-reordering much more heat than I woul dhave imagined. An important conclusion I drew from public and private discussions with members of the..
Memory overhead of Java HashMap compared to ArrayList http://stackoverflow.com/questions/1526596/memory-overhead-of-java-hashmap-compared-to-arraylist I've done some empirical tests and come up with the conclusion that You can store 2.5 times as many small objects in the same..
Why does 128==128 return false but 127==127 return true in this code? http://stackoverflow.com/questions/1700081/why-does-128-128-return-false-but-127-127-return-true-in-this-code with that system property it will output true The obvious conclusion never rely on two references being identical always compare..
How to protect Java codes against decompiler? [closed] http://stackoverflow.com/questions/1879061/how-to-protect-java-codes-against-decompiler or experience share. That is helpful to me. To make a conclusion I will give up any obfuscator or customized classloader with..
I found JPA, or alike, don't encourage DAO pattern http://stackoverflow.com/questions/2100115/i-found-jpa-or-alike-dont-encourage-dao-pattern on InfoQ but you won't be surprised by the content and the conclusion that can be summarized as you don't really need the DAO pattern..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android about what they actually mean that only results in a vague conclusion. Note we now have much more extensive documentation on Managing..
Spring, Hibernate, Blob lazy loading http://stackoverflow.com/questions/2605477/spring-hibernate-blob-lazy-loading application works fine memory doesn't go out of. I have a conclusion that the blob field which is marked as lazy @Basic fetch FetchType.LAZY..
Trusting all certificates using HttpClient over HTTPS http://stackoverflow.com/questions/2642777/trusting-all-certificates-using-httpclient-over-https is just what I want to know. After I did some searches the conclusion is as follows. In HttpClient way you should create a custom..
Where do Java and .NET string literals reside? http://stackoverflow.com/questions/372547/where-do-java-and-net-string-literals-reside I reduced the output somewhat but you get the idea. In conclusion strings are on the heap even when they are interned. The interned..
Is iterating ConcurrentHashMap values thread safe? http://stackoverflow.com/questions/3768554/is-iterating-concurrenthashmap-values-thread-safe reflected in the iterator but they do not have to be. In conclusion a statement like for Object o someConcurrentHashMap.entrySet..
If profiler is not the answer, what other choices do we have? http://stackoverflow.com/questions/4387895/if-profiler-is-not-the-answer-what-other-choices-do-we-have Evaluating the Accuracy of Java Proļ¬lers . Quoting the conclusion Our results are disturbing because they indicate that proļ¬ler.. for sampling does not suffer from the above problems The conclusion of the paper is that we cannot really believe the result of..
How to lock compiled Java classes to prevent decompilation? http://stackoverflow.com/questions/49379/how-to-lock-compiled-java-classes-to-prevent-decompilation topic on the Internet but I could not come to any conclusion after referring them. Many people do suggest obfuscator but..
Reference is ambiguous with generics http://stackoverflow.com/questions/5361513/reference-is-ambiguous-with-generics for s4 first type inference is carried out to the conclusion that R T then we check Ai Si which leads to Field T T which..
Android: ClassNotFoundException when passing serializable object to Activity http://stackoverflow.com/questions/6014806/android-classnotfoundexception-when-passing-serializable-object-to-activity share improve this question Finally reached a conclusion on this issue it was being caused by Proguard or more specifically..
Java: deep copy, shallow copy, clone [duplicate] http://stackoverflow.com/questions/6182565/java-deep-copy-shallow-copy-clone the Java clone method is broken. But I think the correct conclusion is that the concept of clone is broken in the context of OO...
Java XPath (Apache JAXP implementation) performance http://stackoverflow.com/questions/6340802/java-xpath-apache-jaxp-implementation-performance jira browse XALANJ 2540 I have come to an astonishing conclusion that this Element e Element document.getElementsByTagName SomeElementName..
http://stackoverflow.com/questions/6903335/java-7-path-vs-file
Run single test from a JUnit class using command-line http://stackoverflow.com/questions/9288107/run-single-test-from-a-junit-class-using-command-line After a quick look in the JUnit source I came to the same conclusion as you that JUnit does not support this natively. This has never..
How to abort a thread in a fast and clean way in java? http://stackoverflow.com/questions/94011/how-to-abort-a-thread-in-a-fast-and-clean-way-in-java non interruptible event and just let it run through to conclusion checking afterward if there's a new latest update to perform...
Playing media files using JAVA http://stackoverflow.com/questions/10085522/playing-media-files-using-java 32 bit natives and vlcj dont accept those conflicts In Conclusion i have to say that these steps worked for me.I hope they will..
When exactly is it leak safe to use (anonymous) inner classes? http://stackoverflow.com/questions/10864853/when-exactly-is-it-leak-safe-to-use-anonymous-inner-classes an Activity imagine how much worse it would have been. Conclusion These list the primarily known dangers of using these objects..
Difference between java.util.Random and java.security.SecureRandom http://stackoverflow.com/questions/11051205/difference-between-java-util-random-and-java-security-securerandom to predict the output of your random numbers right now. Conclusion Replace your current code. Use SecureRandom exclusively. Then..
When “” == s is false but “”.equals( s ) is true http://stackoverflow.com/questions/1111296/when-s-is-false-but-equals-s-is-true to know how More in the line of jjnguys answer Byte EDIT Conclusion I've found the reason. After jjnguy suggestion I was able to..
Split a string, at every nth position http://stackoverflow.com/questions/12295711/split-a-string-at-every-nth-position performance in miliseconds 7 7 2 5 1 3 4 4 2 1 Conclusion The splitStringEvery method is a lot faster even after the changes..
Adding external resources (CSS/JavaScript/images etc) in JSP http://stackoverflow.com/questions/14548998/adding-external-resources-css-javascript-images-etc-in-jsp listener class listener ... webapp Conclusion I personally prefer ether the first solution used it in my previous..
http://stackoverflow.com/questions/14580120/whats-the-difference-between-including-files-with-jsp-include-directive-jsp-in of using static include Reusing Content with Tag Files Conclusion Use the right instruments for the concrete task. Use Tag Files..
What's the most elegant way to concatenate a list of values with delimiter in Java? http://stackoverflow.com/questions/1642159/whats-the-most-elegant-way-to-concatenate-a-list-of-values-with-delimiter-in-ja happen only in the cache or probably only in a register . Conclusion While this code looks odd at first glance it has many advantages...
How does the code behave different for Java and C compiler? http://stackoverflow.com/questions/1788696/how-does-the-code-behave-different-for-java-and-c-compiler expression as in a y x doesn't change their behavior . Conclusion all and any C compiler will return 0 for x x well except the..
Best way to automagically migrate tests from JUnit 3 to JUnit 4? http://stackoverflow.com/questions/264680/best-way-to-automagically-migrate-tests-from-junit-3-to-junit-4 of the suite method. Pattern will follow. Thanks saua Conclusion I think it's done very easy via a set of regular expressions..
http://stackoverflow.com/questions/2660827/java-generics-covariance which is illegal because a float is not an integer. Conclusion Generics are not covariant. Note I recommend you read Effective..
Python - Create a list with initial capacity http://stackoverflow.com/questions/311775/python-create-a-list-with-initial-capacity the duration simple append 0.0102 pre allocate 0.0098 Conclusion . It barely matters. Premature optimization is the root of all..
Should Java methods be static by default? http://stackoverflow.com/questions/3346764/should-java-methods-be-static-by-default 0 iload_0 1 iload_1 2 imul 3 iconst_1 4 iadd 5 ireturn Conclusion From the code design angle it makes much more sense to declare..
How Can I Avoid Using Exceptions for Flow Control? http://stackoverflow.com/questions/345626/how-can-i-avoid-using-exceptions-for-flow-control I was trying to keep it brief. Obviously it was relevant. Conclusion After reading all of the answers I have come to the conclusion..
What is the difference between cascade & inverse in hibernate, what is the use of them? http://stackoverflow.com/questions/3667387/what-is-the-difference-between-cascade-inverse-in-hibernate-what-is-the-use-o another entities which has relationship with each other. Conclusion In short the inverse is decide which side will update the foreign..
How is Java inspired by Lisp? [closed] http://stackoverflow.com/questions/3689721/how-is-java-inspired-by-lisp a compelling enough argument to justify Steele's quote. Conclusion subjective Guy Steele's above stated quote is idiotic. Period...
What are the big improvements between guava and apache equivalent libraries? http://stackoverflow.com/questions/4542550/what-are-the-big-improvements-between-guava-and-apache-equivalent-libraries it instead of repackaging them like Guice currently does . Conclusion For all the above reasons Guava is my go to library when starting..
Solving a “communications link failure” with jdbc and mysql http://stackoverflow.com/questions/6865538/solving-a-communications-link-failure-with-jdbc-and-mysql my problem and also increased my speed dramatically. Conclusion There is no simple and unique way to solve this problem. I suggest..
Using Scala traits with implemented methods in Java http://stackoverflow.com/questions/7637752/using-scala-traits-with-implemented-methods-in-java Foo's 'bar' method And the result is Foo Trait1 Trait2 . Conclusion If you've managed to read everything an answer to the original..
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