In the following example (an idealized "game") there are two threads. The main thread which updates data and RenderThread which "renders" it to the screen. What I need it those two to be synchroniz...

I am trying to find out if there is going to be any race condition in this piece of code. If the key weren't 'Thread.currentThread' then I would think yes. But since the thread itself is key, how i...

I am using s3cmd and i would like to know how to exclude all folders within a bucket and just sync the bucket root. for example bucket folder/two/ folder/two/file.jpg get.jpg with the sync i ju...

I'm currently working on an android app which relies on a SyncAdapter to refresh its content from a server. I basically followed these instructions: https://developer.android.com/training/sync-adap...

Can it happen that mutual exclusion algorithm doesn`t maintain dead-lock free property,but it maintains starvation freedom ? Thank you

If we have 2 classes that operate on the same object under different threads and we want to avoid race conditions, we'll have to use synchronized blocks with the same monitor like in the example be...

I wonder when do I need to use barrier? Do I need it before/after a scatter/gather for example? Or should OMPI ensure all processes have reached that point before scatter/gather-ing? Similarly, aft...

I've read this answer in the end of which the following's written: Anything that you can with volatile can be done with synchronized, but not vice versa. It's not clear. JLS 8.3.1.4 defines v...

I am trying using MySQL Replication Listener Library to do data replication between HostA and HostB. The replication is based on row-based other than statements. I know there is such built-in fea...

I am making an app (in Swift) which needs to run in offline and online mode. When its in offline mode, data will be stored locally on CoreData. Once it detects network (online) it should sync with ...

My problem is that i need a service loaded before the controller get called and the template get rendered. http://jsfiddle.net/g75XQ/2/ Html: <div ng-app="app" ng-controller="root"> <h3...

I have the following kind of code: synchronized block1 { //only one thread in the block } {lot of code where synchronization not necessary} synchronized block2 { //only one thread in the block...

Google Chrome allows you to sign in with your Google account to sync bookmarks and settings. Those bookmarks are then stored along with my account on their servers. I want to create another client...

I use the .get(...), .put(...) and .clear() operations from multiple threads on one HashMap. .put(...) and .clear() are inside a synchronized block but .get(...) is not. I can't imagine that this w...

Python provides 4 different synchronizing mechanisms in threading module: Event/Condition/Lock(RLock)/Semaphore. I understand they can be used to synchronize access of shared resources/critical s...

I have this scenario where I try to handle an event on the same thread as it was created. Which is commonly done in the UiThread, but I'm not on the UiThread to start with. I have some test with ba...

I'm creating an NSManagedObjectContext in a private queue to handle data updates I take from files and/or services: NSManagedObjectContext *privateContext = [[NSManagedObjectContext alloc] initWit...

I am developing an app in ionic framework and using MongoDB as database. I want to work my app on offline and sync the data to my database. I find PouchDB which works as a local storage and sync wi...

I have two databases, one in London and one in Dublin. How can I have a complete view of the data in a cloud database? Assume that the database structure allows me to use multiple locations such th...

Is there any article on how synchronized are the times across multiple dynos in heroku, and how reliable they are? I am running a node.js application on Heroku and need to know if the time that I ...

During the course of my program execution, a number of threads are started. The amount of threads varies depending on user defined settings, but they are all executing the same method with differen...

Assume a simple for-each loop ($.each), where for-each iteration I call a function set in the global scope. Does the function run synchronously or asynchronously? Assume no Ajax, so what the functi...

threadA go through this snippet { global_a = 100; // 1 { pthread_mutex_lock(&b_mutex) ... pthread_mutex_unlock(&b_mutex) } // 2 } threadB go through this snippet { { pthread_mut...

Scenario: I have two MySQL databases: Big master database Small client database Example tables: Big Database User: text username int id varchar login varchar password ... a lot more field...

I'm trying to build in the opportunity to sync my application's *.csv files with desirable dropbox account. What I've done so far: Permissions and com.dropbox.client2.android.AuthActivity in mani...