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java Programming Glossary: lockingWhy is Java Vector class considered obsolete or deprecated? http://stackoverflow.com/questions/1386275/why-is-java-vector-class-considered-obsolete-or-deprecated once will be enough Of course it also has the overhead of locking even when you don't need to. Basically it's a very flawed approach..
http://stackoverflow.com/questions/1625118/java-double-checked-locking upon an article recently discussing the double checked locking pattern in Java and it's pitfalls and now I'm wondering if a.. checked share improve this question Double check locking is broken . Since initialized is a primitive it may not require.. asked about using a boolean to control the double check locking. Without the solutions in the link above it will not work. You..
I found JPA, or alike, don't encourage DAO pattern http://stackoverflow.com/questions/2100115/i-found-jpa-or-alike-dont-encourage-dao-pattern and all. Well suppose you fire a query with pessimistic locking and it returned a list of entites from a DAO method. Upon returning..
New to Spring - BeanFactory vs ApplicationContext? http://stackoverflow.com/questions/243385/new-to-spring-beanfactory-vs-applicationcontext to be in XML format is that a safe assumption or am I locking the user into something specific And does this answer change..
How to solve the “Double-Checked Locking is Broken” Declaration in Java? http://stackoverflow.com/questions/3578604/how-to-solve-the-double-checked-locking-is-broken-declaration-in-java How can I solve this java multithreading concurrency locking lazy loading share improve this question Here is the idiom.. use the double check idiom . This idiom avoids the cost of locking when accessing the field after it has been initialized Item.. the field twice hence the name double check once without locking and then if the field appears to be uninitialized a second time..
How to programmaticaly lock screen in Android? [duplicate] http://stackoverflow.com/questions/3594532/how-to-programmaticaly-lock-screen-in-android lock keyguardManager.newKeyguardLock KEYGUARD_SERVICE For locking the screen use lock.reenableKeyguard and for disabling the lock..
Java: notify() vs. notifyAll() all over again http://stackoverflow.com/questions/37026/java-notify-vs-notifyall-all-over-again the same time. Another case for example mutually exclusive locking only one of the waiting threads can do something useful after..
Memory barriers and coding style over a Java VM http://stackoverflow.com/questions/3964317/memory-barriers-and-coding-style-over-a-java-vm of the new Foo but that would introduce more locking that actually needed. How would you write it so that it's as..
In Java critical sections, what should I synchronize on? http://stackoverflow.com/questions/416183/in-java-critical-sections-what-should-i-synchronize-on you are doing such a thing and what object exactly you are locking and for what purpose . Also note that there are situations in..
Avoid synchronized(this) in Java? http://stackoverflow.com/questions/442564/avoid-synchronizedthis-in-java but there are exceptions. if you need granularity in your locking other than synchronized this provides then synchronized this..
Good use case for Akka [closed] http://stackoverflow.com/questions/4493001/good-use-case-for-akka called using synchronous methods and that one component is locking on something. It is very stable and the let it crash supervisor..
http://stackoverflow.com/questions/5217611/the-mvc-pattern-and-swing responsible for clearing fields validating fields locking fields along with button actions would usually go directly in..
C# version of java's synchronized keyword? http://stackoverflow.com/questions/541194/c-sharp-version-of-javas-synchronized-keyword lock syncLock code Note that for field like events the locking implementation is dependent on the compiler in older Microsoft..
http://stackoverflow.com/questions/1625118/java-double-checked-locking Double Checked Locking I happened upon an article recently discussing the double checked..
Implementing the singleton pattern in Java http://stackoverflow.com/questions/2008912/implementing-the-singleton-pattern-in-java someone calls getInstance Final note the Double Checked Locking Pattern is broken in Java up to Java 5 . The Java 5 memory model..
http://stackoverflow.com/questions/2045734/java-file-locking File Locking I have several threads some of which are spawned by Process..
Java Concurrency: CAS vs Locking http://stackoverflow.com/questions/2664172/java-concurrency-cas-vs-locking Concurrency CAS vs Locking Im currently reading the Book Java Concurrency in Practice.. It is written that the CAS perform much better than the Locking Methods. I want to ask the people who already worked with both..
How to solve the “Double-Checked Locking is Broken” Declaration in Java? http://stackoverflow.com/questions/3578604/how-to-solve-the-double-checked-locking-is-broken-declaration-in-java to solve the &ldquo Double Checked Locking is Broken&rdquo Declaration in Java I want to implement lazy.. and members... And I'm getting the the Double Checked Locking is Broken declaration. How can I solve this java multithreading..
Memory barriers and coding style over a Java VM http://stackoverflow.com/questions/3964317/memory-barriers-and-coding-style-over-a-java-vm participate in invariants with other state variables and Locking is not required for any other reason while the variable is being..
http://stackoverflow.com/questions/4068562/how-heavy-are-java-monitors I'd say go for it. However there's a design smell here. Locking on so many objects doesn't sound great. Furthermore if you have..
Why is double-checked locking broken in Java? http://stackoverflow.com/questions/4926681/why-is-double-checked-locking-broken-in-java operation Broken multithreaded version Double Checked Locking idiom class Foo private Helper helper null public Helper getHelper..
Why INSERT IGNORE increments the auto_increment primary key? http://stackoverflow.com/questions/5655396/why-insert-ignore-increments-the-auto-increment-primary-key Since version 5.1 InnoDB has configurable Auto Increment Locking. See also http dev.mysql.com doc refman 5.1 en innodb auto increment..
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