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The Pitfalls of EventSource over HTTP/1.1

While there are many different ways for servers to stream data to clients, the Server-sent Events / EventSource Interface is one of the simplest. Your code simply creates an EventSource and then subscribes to its onmessage callback: Implementing the server side is almost as simple: your handler just prefaces each piece of data it wantsContinue reading “The Pitfalls of EventSource over HTTP/1.1”

ERROR_INSUFFICIENT_BUFFER and Concurrency

Many classic Windows APIs accept a pointer to a byte buffer and a pointer to an integer indicating the size of the buffer. If the buffer is large enough to hold the data returned from the API, the buffer is filled and the API returns S_OK. If the buffer supplied is not large enough toContinue reading “ERROR_INSUFFICIENT_BUFFER and Concurrency”