例文
- That physical memory already existed ( as in silicon ), and had something stored in it : possibly all 0s, or maybe the hex pattern 0xDEADBEEF, or part of the Wikipedia logo.
- Some debuggers will automatically overwrite and destroy data that has been freed, usually with a specific pattern, such as 0xDEADBEEF ( Microsoft's Visual C / C + + debugger, for example, uses 0xCC, 0xCD or 0xDD depending on what has been freed ).