powershell gotchas :- Use global variable / function when you have event in your code


Did you know that its a good idea to use global function and variables when you use event in your code.

Have a look at example below :-



You will not be able to call GetActiveQueueMessage function and your script just dies.

Key take from this is, if you have event, any variable or function you're referring to, please make sure its defined on global or script scope.

Otherwise, you pretty much get uninitialized or empty variable everywhere.







Comments

Post a Comment

Popular posts from this blog

The specified initialization vector (IV) does not match the block size for this algorithm

Image
If you're getting  exception when trying to assigned key to a symmetric key and getting error message below :- The specified initialization vector (IV) does not match the block size for this algorithm And your code probably look like something below :- Then you need to go into debug mode and start looking into the supported size for IV as shown in diagram below :- As you can see, IV is 16 bytes, so you need to provide 16 bytes. The same goes for Key field too, if you're adding anything to it. As long as you provide a valid key size, then we're good and you're code will be ready.
Read more