Perl/TkFAQ-12.2与符号（&）是干什么用的？

原文： 12. Common Problems. Everything in Tk-land is a reference. When defining callbacks take ca

原文： 12.2. What happened to the ampersands &? Perl 4 programmers especially may be surprised to

原文： 10.12. Is there any way to have more than one Listbox contain a selection? To allow more t

原文： 12.4. Must I use "my" on all my variables? If you use strict; (as recommended) the answer

原文： 12.10. How do I call perl from C? You need to see a recent copy of the perlembed(1) pod pa

原文： 12.11. How do I call Tcl code from perl/Tk? Assuming that you have a pressing need to call

原文： 12.3. What happened to the quotation marks? Perl 4 programmers especially may be surprised

原文： 12.7. How do I change the cursor/color? Nick Ing-Simmons mailto:nik@tiuk.ti.com and others

原文： 12.8. How do I ring the bell? The short answer is $widget -> bell; A slightly longer

原文： 5. What/Where isCPAN? "CPAN" = Comprehensive Perl Archive Network a worldwide collection o