A metaclass in Python is a class of a class, meaning a class is an instance of its metaclass. We can use a metaclass to create a singleton by overriding its __call__ method to control the creation of instances. Here's how you can implement a singleton using a metaclass in Python: cl...
As a result, instances of 'SingletonClass' will be singletons, meaning only one instance will exist throughout the program. Testing SingletonClass: Two instances ('instance1' and 'instance2') of "SingletonClass" are created. The 'is' operator checks if both instances refer to the same objec...
Changed meaning of ws_connection_delay_secs for PolymarketDataClientConfig to be non-initial delay (#2271) Changed GATEIO Tardis venue to GATE_IO for consistency with CRYPTO_COM and BLOCKCHAIN_COM Removed max_ws_reconnection_tries for dYdX configs (no longer applicable with infinite retries and ...