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Best way to start with smalltalk in a windows environment (win 7)
I am going to make the acquaintance with Smalltalk and looking for the good implementaion for beginner.
I am working on Windows platform; main criterias :good tutorials and documentaion, active community.
Try Squeak Smalltalk, it's a very modern, open-source, newbie-friendly implementation of Smalltalk. Or even more modern, Pharo , a fork of Squeak which removes unessential code and serves as the reference implementation of Seaside, a web application framework in Smalltalk.
A Smalltalk designed for Windows -
Dolphin Community Edition
Dolphin Smalltalk Video Library
Dolphin Smalltalk Documentation
Dolphin Smalltalk Community
I'm a fan of VisualWorks myself. I think it's a little less quirky than Squeak/Pharo.
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I worked with smalltalk as hobby when Pharo born. A lot of years passed without touching it, and I'm sure a lot of things happened in smalltalk world. Now I have some projects in my mind and my main idea was to develop using python but I'm thinking to retake this enviroment I loved. One of this projects is about using opencv for recognition from a Webcam, recognition of screen changes in other windows, and painting specific things on screen (a board game).
My idea is to develop on Linux and Windows, and release on Windows/Linux/Mac. Right now which ST flavour fits the interaction I need? Right now what's the main difference between Pharo an Squeak?
Thanks.
I'm sure there are more qualified people around to answer this question. I'll try to be as objective as possible, but these are only my opinions others can see it otherwise. I will write only short description for each.
The interaction would have to be done via FFI.
I also don't know every dialect there is. For example, I haven't heard of trufflesqueak before.
To fit your picture windows/linux/mac:
These smalltalk(s) have the VM support you require (in random order): GemStone, Pharo, Squeak, Cuis-Smalltalk
GemStone/S - is a distributed Smalltalk system with a massive, persistent memory. Offers free usage and also has a commercial support. Very nice Smalltalk with many platforms supported. Windows is supported only as client.
Pharo is a open-source implementation which was originally forked from Squeak. Nice environment, which you know, but it needs to cleanup the code. It has very fast development cycle. In my eyes, the newest VMs have stability issues. The description here on SO.
Squeak the original Smalltalk-80 implementation with plenty of legacy code, but the VM is quite stable and lately it works very nice. The description here on SO.
Cuis-Smalltalk is a multiplatform Smalltalk-80 implementation. Cuis shares the OpenSmalltalk Virtual Machine with Squeak, Pharo and Newspeak. I did not see any projects created in Cuis, maybe somebody can correct me.
Other interesting smalltalks:
Dolphin (windows only) - nice smalltalk for Windows. Supports integration with Windows and calling windows code.
Smalltalk/X - for Windows and Linux VM (there is MacOS VM port for Smalltalk/X but it is not public yet, maybe it will appear on Smalltalk/X-jv later on). Developed by eXept mainly by Claus Gettinger. There is an independent branch Smalltalk/X-jv - list of features and the description on SO.
Commercial Smalltalks
You can try these out, but you for commercial use you have to pay license fee.
VAST owned by instantiations - they are working on MacOS support but it is not there yet. Very mature Smalltalk with commercial support.
Cincom's VisualWorks - The development is somewhat lacking lately but still Smalltalk with company behind it.
Pharo Spec (the widget library) has a Gtk3 backend that can be used to develop application in any platform (there are a few targeting windows), and I know there was work done using OpenCV, but you will have more luck asking that in our discord channel (https://discord.gg/QewZMZa) or any of our mailing lists (check links here: https://pharo.org/community).
For example, Pharo and Squeak are different implementations of Smalltalk. Are there specific bindings in the smalltalk VM for each platform?
Morphic is implemented with Smalltalk in Pharo and Squeak. So there are no bindings to an external graphics library. Though there are some differences the basic API is the same.
Pharo by example, chapter 11
Squeak by example, chapter 11
Squeak wiki http://wiki.squeak.org/squeak/30 contains useful notes how Morphic works.
There is as well a Morphic implementation in Cuis Smalltalk which aims at a version 3 of Morphic (more).
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Right programing language for developing application for Mac
I'm a newbie to programming, i know HTML and CSS, but in terms of non web-development languages, im an idiot. I wanna program applications for mac, not for ipod touch or anything, and just downloaded Xcode, but all articles i've read are very unclear about what languages to learn. What languages do i need to know to do this?
The language you need to learn is Objective-C.
Cocoa is the framework of libraries, API's, and runtimes for Mac OS X.
XCode is the IDE you use to program in Objective-C.
Think of it this way: you can learn Objective-C, but without Cocoa you would have a very difficult time doing anything in the OS X environment without an API, which is where Cocoa comes in.
The main language on OS X is Objective-C.
This is an extension to the standard C language, so knowing at least the basics of C would be a good starting point here.
Cocoa is the main application framework applications on OS X are using.
Get yourself a book to learn that!
I recommend the book from Aaron Hillegass.
It's amazing!
Does anyone know how to setup Objective-C with KDevelop? I've been searching and searching for a supposed "patch", which is supposed to integrate support in with the IDE, yet I haven't been able to find it.
This has been partially treated on StackOverflow already. Apart from the discussion over there, I sometimes use Emacs besides Xcode. I use Emacs for most of my editing and coding needs, and it comes with a nice Objective-C mode. Autocompletion in Xcode is the big selling point, but I just found out there is an answer on Stackoverflow as well. I haven't tried it yet, but it might be worth checking out.
I would go to GnuStep.org, and ask this question on their mailing list. They're the guys who do the most obj-c development on Linux that I know of.
I'm also interesting in developing on Linux using Objective-C. Due to the success of the language on Apple platforms, there are an increasing number of skilled Objective-C Developers whose efforts could benefit OSS if only the gap in Linux tooling were closed.
GNUstep is a fantastic effort and, along with LLVM and Clang, goes much of the way to achieving this. But: there is no modern IDE which supports Objective-C in Linux. ProjectCenter is the official GNUstep IDE but honestly it is showing its age.
JetBrains seem to be in the best position to change this situation: they are producers of the foremost Objective-C IDE for iOS: AppCode, and have just released a C/C++ IDE for Linux called CLion. If enough interest is shown, perhaps they would consider integrating Objective-C support from AppCode into CLion. Compiling against GNUstep, this would breathe new life into cross-platform Objective-C development.
I would encourage anyone interested in this possibility, to sign into JetBrains request tracker and vote for this issue: https://youtrack.jetbrains.com/issue/CPP-3353
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What do you consider the most rapid RAD environment for a working prototype? Not for debate.
language
platform
IDE
DB
(personal note)
Thank you.
P.S.1 I was pretty happy with PERL for back-end prototyping... I get stuck when dealing with the UI... it doesn't seem to come as easy...
It's all pretty subjective I guess, but as you asked 'what do you consider', so...
Delphi 7 onwards (technically object pascal or Delphi language, I guess)
Windows 2003/XP
version 7 is the classic, newer ones don't seem as easy to prototype stuff in (to me)
SQL Express
in comparison I've used VB6, MS VC++ (from a long time ago), FoxPro/Windows and Visual FoxPro, and a very small smattering of VS2005 (C#). For me, Delphi is the all-round king every time. :-)
For prototypes on Windows, Visual Basic is hard to beat. If you need to suppoort another platform (or multiple platforms), then Tcl/Tk is fairly productive, as well.
I've always considered Perl to be my prototyping language of choice, for a few reasons:
CPAN - There's a module for just about anything.
It's easy to create hacks to mimic, fake or do something quick and dirty.
It works everywhere.
I think "most rapid" is heavily subjective. A developer with many years in VB will likely be fastest at prototyping in VB. A Java developer in Java. Ruby in Ruby. The "most rapid", then, is going to be heavily skewed by the assets (code libraries, developer experience and tools) you already have in house.
What you define as a "prototype" also heavily affects things. Is a set of pseudo-working screen shots mocked up in Flash to have some clickability for navigation enough? What is the required feature set and what is the target audience for the prototype?
As you can see "best" is going to vary pretty widely. It's probably close to certain that the language will be high-level and the IDE tools are going to have nice UI designers (assuming the prototype has a UI). If you have a lot of DB work, then database wizards that do the SQL grunt work for you will save time and generate reasonable, if not optimized, objects. The platform would likely be whatever platform the prototype should be for - after all prototyping a Windows app under Linux or a Symbian app under Palm OS probably won't give you too much benefit.
VFP is great for prototyping. I've seen posts (sorry, don't have links) from Microsoft teams where they say WPF allows fast prototyping for them.
Enthought Python Distribution. You create the model of your problem in python and then you say "create a UI for that" in one line of code. If you don't like some parts of the UI, you override the defaults for those parts (and nothing else).
Doesn't get faster than that if you're doing a Desktop app.
The resulting prototype will work on Windows, Linux and Mac.
If you're looking for a web RAD, I suggest to give Grails or TurboGears a try. TurboGears is easier to use, Grails gives you access to the vast space of Java web frameworks (hard to beat).
I'd say Python with wxPython
I find that prototyping using the Netbeans GUI builder gives me a great start. I'm a Java programmer mostly though.
Try out Axure RP Pro.
We did give it a try and found that it to be really very good. It generates the whole prototype in HTML with a few JavaScripts so it becomes easy to distribute prototypes.
Do check it out.
Handcraft
When you prototype any GUI interactively in the browser, you can go from as low or high fidelity as you want. Handcraft is focused exactly on prototyping, so it does a whole lot less than IDE's intentionally.
For working prototype:
non-gui: python
gui: ruby on rails
For mockups don't use IDE but some specialized mockup tool, read this here on SO: Whats the best way to create interactive application prototypes?
For hybrid approach (mockups then code): QT designer is the only viable option I found, due to it's specific architecture
There you go.