Considering work with livecode server

Wed Jan 20 11:21:54 EST 2021

Bill,

:-) that topic is too large for a book to be honest.

What I recommend is actually building a desktop standalone. Forget the web
for that app, push for an app.

Best
A

On Wed, 20 Jan 2021 at 16:20, ELS Prothero <
prothero at earthlearningsolutions.org> wrote:

> Thank you, Andre, for you wisdom. What I take from your comments is if I
> want to develop dynamic interactive web based apps with Livecode, I should
> get up to speed on JavaScript and will need to either use Livecode to
> generate html5, compiled with webAssembly, or find another platform to
> develop the software.
>
> Perhaps this topic is an idea for a short book (hint, hint).
>
> Best,
> Bill
>
> William Prothero
> http://es.earthednet.org
>
> > On Jan 20, 2021, at 8:03 AM, Andre Garzia via use-livecode <
> use-livecode at lists.runrev.com> wrote:
> >
> > WebAssembly (aka WASM) is not a silver bullet. It is not something like
> > "you compile to WebAssembly and then PROFIT".
> >
> > WebAssembly and ASM.js (which is what the current HTML5 LC Runtime uses)
> > are very similar. The advantages of WASM is that it is a lot smaller –
> > since it is bytecode and not strings in source code – than ASM.js, also,
> it
> > can be streamed so you can start loading it in the VM before it finishes
> > transferring. Given the same source code in WASM and ASM.js, the WASM one
> > will transfer and load faster, but that is it. One of the main objectives
> > of WASM was to reduce latency between the beginning of the load action
> and
> > having something running.
> >
> > WASM backends have been integrated in many languages – mostly notable
> LLVM
> > – which means that is somewhat doable to compile C/C++ code to WASM. That
> > doesn't mean that all libraries work. WASM has no graphics part. It deals
> > with memory and integers (floats?). It doesn't even have a string type.
> It
> > is basically a small assembly language to be targeted by compilers.
> >
> > Apps made with WASM do not work with just 100% WASM. You always need JS.
> > JavaScript is the glue that links DOM, events, and WASM. What you usually
> > do is have a bunch of JS and then speed up some parts of that code with
> > WASM. WASM can't touch the DOM, WASM can't handle input events. JS and
> WASM
> > are built to complement each other.
> >
> > Most languages targeting WebAssembly deployments have their own "JS
> > Standard library toolkit" so that when you compile, you end up with a
> > combination of WASM and JS files (maybe even HTML).
> >
> > The benefit for LC would be a smaller runtime and faster loading, both
> are
> > great.
> >
> > Just don't believe it is something magical like we were promised in the
> 90s
> > with Java Applets that you'd compile your Java App and it would magically
> > load on the Web. That is not how this works.
> >
> > If you want to learn more about WebAssembly go to the learning area of
> MDN
> > WebDocs:
> >
> https://developer.mozilla.org/en-US/docs/WebAssembly/Concepts#what_is_webassembly
> >
> >
> >
> >> On Wed, 20 Jan 2021 at 15:53, Andre Garzia <andre at andregarzia.com>
> wrote:
> >>
> >> So,
> >>
> >> Displaying bundled content only (or mostly) allows Apple's static
> analysis
> >> tools to take a look at your app. They can also identify outgoing
> >> connections, so they know if you are opening remote pages. If all you
> do is
> >> display local content, and there is no outgoing connections, then
> security
> >> analysis of your app is easier (also, it works offline from the start
> which
> >> is good). This is not an infalible system, but it works for the average
> >> case.
> >>
> >> As for having an app, that displays external webpages which allow you to
> >> buy stuff might be a violation of Apple TOS. That is why you don't buy
> >> Kindle books on the Kindle app on iOS. Amazon doesn't want to give
> Apple a
> >> cut. An app that advertises itself as a browser has more leeway with
> this
> >> than others. For example it is OK for Mozilla to ship "Firefox" (not
> really
> >> Firefox, more like mozSafari) in iOS even though you can open web pages
> and
> >> buy stuff with it. It is not OK for you to create an app that opens your
> >> webstore and sells stuff.
> >>
> >> I'll write another message about WebAssembly...
> >>
> >> On Wed, 20 Jan 2021 at 12:22, Mark Smith via use-livecode <
> >> use-livecode at lists.runrev.com> wrote:
> >>
> >>> Thanks Kee, but I am a bit puzzled by the restriction.
> >>>
> >>> That would require complicity from the businesses, which if reputable
> >>> would be a stretch, no? For example, if I had an app that linked to
> course
> >>> selections on University websites, are they going to suggest that these
> >>> could be portals to pedophile shopping sites by entering a secret pass
> >>> phrase? By the sounds of it, please correct me if I am wrong, no
> iStore app
> >>> can link to a website for content regardless of the status of the
> >>> organization that stands behind the site? Hmmmm, I still have a lot to
> >>> learn in this space.
> >>>
> >>> Are there any links available to guidelines that describe these
> >>> limitations?
> >>>
> >>> Thanks
> >>> Mark
> >>>
> >>>> On Jan 20, 2021, at 4:25 AM, kee nethery via use-livecode <
> >>> use-livecode at lists.runrev.com> wrote:
> >>>>
> >>>> An app to web content is a mystery app. Your restaurant review app
> that
> >>> pulls from the web could easily be transformed into a pedophile
> shopping
> >>> app by entering a secret pass phrase and then changing the data on the
> web
> >>> site. (as an extreme example)
> >>>
> >>> _______________________________________________
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> >>>
> >>
> >>
> >> --
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> >>
> >
> >
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