Of invalidating

There are a few alternatives to cache invalidation that still deliver updated content to the client.

of invalidating-14

Below are the most common reasons: This site uses cookies to improve performance by remembering that you are logged in when you go from page to page.

To provide access without cookies would require the site to create a new session for every page you visit, which slows the system down to an unacceptable level.

(You can optionally pass a rectangle that specifies a subset of the window's client area that you wish to mark invalid.) This is typically done when the state of the data underlying the window has changed and you want the window to repaint with the new data.

If however you end up passing function, this is treated as a special case for compatibility with early versions of Windows: It invalidates all the windows on the desktop and repaints them.

This method removes all variants of the cached content.

Fetches requested content from the application, even if cached content is available.

A reference to the cached content is added to a blacklist (or ban list).

Client requests are then checked against this blacklist, and if a request matches, new content is fetched from the application, returned to the client, and added to the cache.

This method functions as an alternative to other methods of displaying new content to connected clients.

Tags: , ,