Category "locking"

The proper way to achieve database locks (Pessimistic Read and Write) with TypeORM and NodeJS

I have an application that needs to deal with concurrency/race conditions. I noticed user account balances were being updated wrongly. Multiple requests can rea

How do I use LockService properly every time in Google Apps Script?

I am trying to avoid concurrent process with LockService on my project. In test runs, LockService works for me without any problems. But when I roll my projec

Distributed lock with TTL

When we have a distributed lock with TTL, it is possible that lock will expire because of TTL config and the process which had that lock has not finished comput

Using optimistic locks in C++ and memory order

I'm wondering how 'optimistic locks' (as described e.g. here: https://db.in.tum.de/~leis/papers/artsync.pdf) can be used in C++ with regard to non-atomic data a

How is it possible for InnoDB to deadlock on a single row?

According to The Good Word, InnoDB uses automatic row-level locking. You can get deadlocks even in the case of transactions that just insert or delete a sin

Gradle .lock files not removed when stopping build manually

When running gradle build from command line and manually terminating with Ctrl+Z, the .lock files, generated by gradle aren't removed. During the next build, I

Why is HANDLE event object assumed valid in thread function?

Why is HANDLE event object(synchronization object which is created by CreateEvent function) in winapi assumed to be valid in thread function? From multithreadin

wp7, How to block scrolling in ScrollViewer

I wont to move UIElements in ScrollViewer. I have somthink like this: <ScrollViewer x:Name="scroll"> <Canvas x:Name="sheet" Width="480" Height="10