So my questions is, Is it right way if we use backgroundContext in main thread ? Here I want to use 'performAndWait' so the statements after this CoreData operation should execute after CoreData save. private lazy var backgroundContext: NSManagedObjectContext =…
I am working on a twitter bot to stream tweets based on certain keywords and forward to Telegram. The keywords are stored in an excel file and can be changed by the user. My current approach is: Instantiate a sub-classed…
I'm trying to build an ML model using LTSpice simulation data. I'm running 64 concurrent simulations of LTSpice using Wine on a 64-core Centos linux machine to acquire ideally several million data points. A typical simulation takes about 2-4 seconds.…
I want to ask a question that comes my mind. This question about memory accessing, contains the object with singleton lifetime in asp.net core. So, suppose exists in this structure two thread. one of them is the normal request/response thread…
Hello guys I want to place the following code in a new thread that is different from the ui thread but android studio gives an error that the variable needs to be declared final. when i declare the variable final…
I am using a thread to get an id from my database. Once the thread has finished running I need to use that id in another thread to get a list of items. Once that thread has finished I use…
Is it thread safe, when two Goroutines writes to file concurrently by os.File.Write()? According to this question Is os.File's Write() threadsafe?, it isn't thread safe. However, the output file ./test.txt of the following code didn't occur errors. And according to…
I've written this implementation of a double buffer: // ping_pong_buffer.hpp #include <vector> #include <mutex> #include <condition_variable> template <typename T> class ping_pong_buffer { public: using single_buffer_type = std::vector<T>; using pointer = typename single_buffer_type::pointer; using const_pointer = typename single_buffer_type::const_pointer; ping_pong_buffer(std::size_t size) :…
So I have an app that connects to a simple firebase database that connects users to their profile when logging into the app. Every user has a username, profile picture, and other data related to the app stored within their…
I need to send data to an external api, but this API has a limit of requests per endpoint(i.e: 60 requests per minute). The data come from Kafka, then every message goes to redis(because I can send a request with…