2026/10/23 -The Singleton Design Pattern ensures that a class has only one instance and provides a global access point to it. It is used when we want centralized ...
2026/9/11 -A Lambda that will only ever be added to a stack once. This construct is a way to guarantee that the lambda function will be guaranteed to be part of the stack, ...
2026/9/28 -A design pattern is a proven solution to a design problem that comes up again and again. The singleton pattern makes sure there is exactly one instance of…
2026/8/11 -A singleton is a class restricted to a single instance, reached through one shared access point that returns the same object on every request.
2026/10/13 -Singleton ( MetricsRegistry ): holds the single instance and controls its creation, lazily and thread-safely. Abstraction ( MetricsSink ): the narrow interface ...
2026/9/29 -The S.listItem().singleton() method takes a singleton definition ID and wires up the child pane for us with the right schema type and document ID, so ...
2026/9/18 -A Singleton provides one shared instance within a defined runtime scope. Only one instance exists there, and every caller inside that scope receives the same ...
2026/8/25 -The Singleton pattern has the property of returning exactly one record, allowing you to continue working on the same record. This is very often used for ...
2026/9/11 -A namespace is simply a global singleton object that contains a number of functions. There is one top level APEX namespace called apex. This has a number of sub ...
2026/10/17 -The singleton pattern is intended to provide one shared instance within a defined application scope. It can be useful for shared configuration or a resource ...