I think its called the collaborative pharo book that I look at a little yesterday. I had activated Halo in my pharo image but, could not get the Halo to come up when my mouse pointer was over a menu. I could not get Halo's to come up over a running program so my image was littered with a lot of programs. Then while looking at the table of contents of the book I saw a page on halo's so I clicked on the like and saw that I needed to use Shift-Alt-click to bring up a halo so I tried it in my smalltalk image and it worked so I could close down all the running programs in my image. Now my image is clean which makes me feel better.
Yesterday I also read a little more of how to design programs. I had not read that book for a long while and I want to start reading it again so I can finish it and know better how to design my own programs.
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