Syzygy | Common base code for Syzygy products | Frontend Framework library
kandi X-RAY | Syzygy Summary
kandi X-RAY | Syzygy Summary
Code I use in pretty much all my apps. Feel free to browse through here and be inspired. Please don't use these frameworks in your apps. It's not that the code is bad or anything. It's just that I don't want to put in the effort to make it work for you. It works for me, and that's pretty much all I care about.
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QUESTION
What is a simple and concise way to break from a whileTrue
loop in GNU Smalltalk that doesn't require returning?
Here is my code. I want to break from the loop at Line 31 at the end if char_stack
is empty.
https://gist.github.com/SYZYGY-DEV333/ea3f5eeb3473927c8faa294bb72a8858
Any help would be much appreciated.
...ANSWER
Answered 2018-Oct-07 at 08:56In general, Smalltalk does not have a way of breaking from a loop, except for returning from the enclosing method.
Try to extract your loop into another method from which you can return to break from the loop.
In a way, Smalltalk the language does not even have loops... but some methods happen to evaluate blocks more than once. Hence it does not have a special way to terminate "loops". Return is the way.
If you have not already done so, familiarize yourself with the different iteration methods of Collection: do:
, select:
, collect:
, detect:ifNone:
, ... The latter is another way to run an "incomplete" loop over a collection, but it does not solve all cases in which you might wish for a "break".
QUESTION
I have this userscript (see below), for http://multiplayerpiano.com.
In the console, the script runs as expected, but when used as a script for Tampermonkey, it just doesn't.
I don't know why. The commands work fine, but the banning function between lines 21 and 30 does nothing. No errors are thrown, even in verbose mode. Help would be much appreciated.
Does it have to do with the window.pass1
in the if statement, which might should be simply pass1
without the window
?
ANSWER
Answered 2018-May-10 at 23:57Three things:
- Yes,
window.pass
andwindow.locked
(4 places total) is wrong. You set these as vars in the script and the script operates in a different scope. - I'm surprised the script worked at all, since the script could run before
MPP.client
is defined/initialized. - As Jaromanda X pointed out, use booleans, not strings, for booleans.
So, the robust thing to do is to wait for the target page functions to exist before firing code that depends on them.
Here is your userscript refactored to do all that:
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