Difference between $? and $LastExitCode in PowerShell

$LastExitCode is the return code of native applications. $? just returns True or False depending on whether the last command (cmdlet or native) exited without error or not. For cmdlets failure usually means an exception, for native applications it’s a non-zero exit code: Cancelling a cmdlet with Ctrl+C will also count as failure; for native applications it depends on what exit code they set.

Apache server keeps crashing, “caught SIGTERM, shutting down”

SIGTERM is used to restart Apache (provided that it’s setup in init to auto-restart): http://httpd.apache.org/docs/2.2/stopping.html The entries you see in the logs are almost certainly there because your provider used SIGTERM for that purpose. If it’s truly crashing, not even serving static content, then that sounds like some sort of a thread/connection exhaustion issue. Perhaps … Read more

What is a Windows Handle?

It’s an abstract reference value to a resource, often memory or an open file, or a pipe. Properly, in Windows, (and generally in computing) a handle is an abstraction which hides a real memory address from the API user, allowing the system to reorganize physical memory transparently to the program. Resolving a handle into a … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)