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USB device attached to hub works on 1 port but not another port.
The device is a USB voice recorder attached to a USB 4-port hub. The device works fine in 1 port, but when attaching to the port I wish to connect to on the hub it does not work even though the green light on the hub comes on and Windows seems to find it fine and I can safely remove it via the...- gnewitall
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- Replies: 1
- Forum: PC hardware - Peripheral issues
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How to execute an if statement defined in a string?
Got it. Thank you. -
How to execute an if statement defined in a string?
Given, $string = "if ((33 * 11) > 1500) { $result = 1; } else { $result = 0; }" How do I execute the if statement within the same perl script the string is defined in? Thanks in advance. -
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How to call a subroutine from a string?
How do I call a subroutine named in a string? Instead of: sub test($$) { my $lookfor = shift; my $string = shift; print "\n$lookfor "; if($string =~ m/($lookfor)/) { print " is in "; } else { print " is NOT in "; } print "$string."; if(defined($1)) { print "... -
Need advanced string parser, evaluate user formula.
I need to create a form that allows users to enter a formula then parses and evaluates it to return a 1 or 0 on the backend. I am struggling with the logic of how to evaluate the string by storing the contents of the inner most parenthesis first, pair it with the appropriate operator then...
