March 2002
Beginner
560 pages
12h 14m
English
Content preview from Sams Teach Yourself Ruby in 21 DaysBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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What Is Tk?
Tk is a “graphic toolkit,” something that lets your Ruby programs interact with the user by means of windows, dialogs, buttons, drop-down menus, and the rest of the paraphernalia we all associate with user-friendly applications.
Before trying to understand why Ruby/Tk works the way it does, you should become aware of a little bit of history, because Tk was not originally written for Ruby. The story of Tk starts with a scripting language named Tcl (“Tool Command Language”), which was created by John Ousterhout in 1988. Tk was created to lend GUI functionality to Tcl.
For years, it was most common to hear Tcl and Tk mentioned together, even written Tcl/Tk almost as if they were one thing. But they are really separate from each other, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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