Start from the Internet Explorer in XP SP2, Microsoft added a new feature called Information Bar under the name of security. The Information Bar is used to block some actions that were considered “risky” for security, including
Active X Install Prompts
Non-user-initiated Download Prompts
Pop-up Windows
ActiveX Control Blocked Errors
Local Machine Zone Lockdown
For any [...]
While debugging applications, we have to face raw memory in many cases, and knowing some magic number can be a great help to find a clue of the problem.
For example:
0xBAADF00D means uninitialized allocated heap memory.
0xABCDBBBA, 0xABCDBBBB, 0xABCDAAAA, 0xDBCAAAAA … in page heap block structure
There are some more to find at
http://en.wikipedia.org/wiki/Hexspeak
http://en.wikipedia.org/wiki/Magic_number_(programming)#Magic_debug_values
[...]
Recently I learnt the following 2 commands which can be used for querying and setting file association in Win32 platform. Quite useful when we are trying to something through batch script. We can call the commands instead of doing the registry dirty work.
ASSOC
Displays or modifies file extension associations
ASSOC [.ext[=[fileType]]]
.ext Specifies the file [...]
