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@yalnte said in Qt elevator pitch to IT:

To get Qt installed on my system I need a link to a self contained full installer and a clear rationale as to what LGPL means and what the licensing terms are. This used to be a lot easier in the olden days!

If you don't need the latest and greatest, the direct link to the Qt 5.12.11 LTS offline installer (released just last month) is at https://download.qt.io/official_releases/qt/5.12/5.12.11/qt-opensource-windows-x86-5.12.11.exe

Clear rationale to what LGPL means in your case:

Your app must clearly acknowledge the use of the LGPL library and provide the full text of the license. Your app must use the LGPL'ed library in DLL form, as opposed to statically linking it into your app. (Technically there is more to this story, but if you just stick to DLLs everything will be fine and simple) You must offer to provide the full source code of the LGPL'ed library. (A copy of the code is in the installer) You don't need to provide the source code of your app. The nice thing to do is to contribute back to the community of the LGPL'ed library in some way (e.g. helping out in this forum, submitting bug reports, submitting patches to the library, telling people about the library, etc.) This is not a legal requirement, but it is the nice thing to do since you're getting the library for free.

That's it, really.

elevator pitch

"Qt is an intuitive, cross-platform toolkit that blows its competitors out of the water. Qt-based apps are easy to write and easy to maintain*. It provides all kinds of functionality, from GUIs to 3D image rendering to networking to database access, and more -- all in one coherent package."

(*assuming that the programmer follows best practices)

@JonB
If there is developer mode enabled with windows insider program Then you will get updates regularly and takes much time too.
Before I hadn't enabled developer mode and not joined windoz😆 insider The updates takes much less time. And updates use to come slower than now

QByteArray is a simple std::vector<char> with an explicit \0 at the end.

Oops...didn't think anyone would care about that...

my very own bug report

Random thoughts:
I've read an article recently that people on average are superb predictors of probabilities, if the prob. density is symmetric. We fail rather miserably when the statistics is very skewed though. I found this very interesting - we tend to identify and predict additive factors excellently by intuition, but we are not so good when the dependency is multiplicative ...

https://doc.qt.io/qt-5/qtmodules.html#gpl-licensed-addons
For those modules it may be better to pay for commercial use.

@Chris-Kawa said in C++ question:

But that's excessively verbose, at least for me.

Also there's the Qt-style naming: constBegin(), constEnd(), which is my personal preference. And while I support the idea of using a range-based-for, that's useful whenever the iterator is simple (e.g. a glorified C pointer). If you're iterating a map, you either are stuck to explicitly iterating over or going to a structured binding syntax (which I personally despise).

@fcarney Well said.
Nobody in right mind expect perfect communication, but forgetting the purpose of the forum - to solve issues . and let managing take precedence is what i am ( little ) concerned about.

I see how monitoring for spam became game of moving stuff around on
a whim. But I have to give a credit - no other tech forum does that.

Something like
"...line up alphabetically by size..."

@mzimmers said in Terminology for copying sketch and rotating:

Since when?

You may've not noticed, but I'm very sarcastic (also pretty vulgar). Usually I try to keep it in check around the forum, though. :)

@Chris-Kawa said in Ahhh another move ... I shall post here from now on to save energy:

People's time is limited.

"Precious" is more like it. If you convert your time with your experience in mind, or mine, or @SGaist's, or whomever's really, in money it's going to be one long, long bill. And even then, nobody's going to give you your time back, so in that sense - it's priceless.

@JoeCFD I have Qt account and dutifully used Maintenance Tool to "update " to 6.2.
I am unable to figure out HOW to execute 6.2. I used "options" and cannot change from15.5.2 to 6.2 no matter what I try .

Yes, my reply definitely belongs here.
It makes for much fun to chase my posts. Too bad I cannot reply directly - as a new user I cannot . O wait ... I got over 600 posts and I am still "new user" limited to wait 600 seconds between posts.

@Shawn-Driscoll It is hard to beat python with a pyqt front-end for proof of concept and rapid prototyping. Id never stop there and consider the project done though. too many ambiguities in python to base a high availaiblity system solely on a python/Qt app.

@Chris-Kawa said in Decision... decision ... rant:

In short - world is not binary on a whole. Just in the split seconds when you make every small decision in a never ending series of small decisions. On a whole it's all sorts of shades of gray. Everyone decides who they want to be in every moment of their life and everyone else decides how to react to actions of others.

Small decisions can be binary all the same. It's the self-organizing complexity that "generates" the grayness of the big picture I'd argue.

I think you're going to enjoy this one: https://youtu.be/Kk2MH9O4pXY

@kshegunov said in Quiz Time! Prepending items to QVector:

but what your task sounds like is actually a stack, not a vector

Indeed, this was an iper-semplification of my problem to solve the academic dilemma.
I agree that a stack or, as @jeremy_k already pointed out, using reverse iterators would achieve the same

April 2021:
Since the last time I looked, there appears to be Qt for small business, where businesses making < 250K $US per year can license Qt for $499 per year... Extra distribution fees apply for embedded devices.

This is an affordable thing for small businesses.