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ooREXX is a scripting language produced by IBM for OS/2. It is also available for various operating systems: Linux, Solaris, Windows. I just want know what are the benfits of ooREX compared to other scritping langunages such as Shell or windows powershell?
I have never heard of the language 'Shell' so cannot comment on that. Windows Powershell is windows only and although powerful is, apparently, a bit of a beast to learn.
OORexx is not from IBM, it is from the Rexx Language Association. It originated in IBM as ORexx, which itself was developed from Rexx (now referred to as Classic Rexx), but was released to Rexx L.A. who now maintain and enhance it (as OORexx). It is simple to use but powerful. It is also cross-platform. And you do not have to use the OO features - the interpreter will generally execute 'classic' Rexx programs without change.
I would not call it a scripting language - it is a general purpose programming language. I have written a text editor in it as well as standard application programs. In fact I hardly use it as a scripting language.
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My goal is 1) to obtain financial data from yahoo api or same kind 2) apply data into my model.
I know some R-programming and very basic shell scripting on linux(I am working on ubuntu).
Since I am not expert on any of those and now I have purpose of learning a language, I want to know what type or kind of language would be good for my goal.
I researched a little and Java, C++, SQL are popular but I don't know why they are.
I like shell scripting style.
Any suggestion?
I would use Python. It works very well cross platform and I have seen some great financial data apps made with it. Also if you are using Ubuntu already Python will help you do more with it. That is the reason I decided to learn Python. I use Python 2.7 but 3.3 should work just as well.
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I'm just asking because very big companies such as Apple, Facebook or Electric Arts do not use it. And also I have another question: Is it good to learn Visual Basic or languages such as C, C++, Java, ect?
Thanks.
VB has many different versions and I would say not to bother learning VB6 but VB.Net would be good if you want to stay with VB (though I prefer C#). Just like any programing language the older it is the less a particular version gets used. I have a worked at a few companies that have most products in .Net but still a few legacy apps in VB6.
As for which to learn that is up to you, I recommend figuring out what kind of software you want to write and then learn what language is used the most for that.
There are definitely more jobs for what has become mainstream languages such as C++ or Java. Personally my first exposure to programming was VB and bash, so it really depends on why you want to learn a certain language.
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I'm planning to make a simple program which will basically web scrape and provide that information into a simple gui.
There'll be notification for new info, and a simple database to store history, favorite and such
What programming language is suitable/good for simple task like this? And can you please give a starting point about making the program?
I'm currently only using python, trying to find out how to make the gui. If anyone can give some resources, it'll be super usefull.
It would be best if you pick the programming language you know best.
Since you mentioned Python, you could use PyGTK, wxPython or similar GUI frameworks for Python.
I would personally do it in C# since the GUI designer in Visual Studio is one of the best I've used, but this is entirely up to you.
The choice of language depends on your experience with each language: In C++ it takes time, in Python it might be uncomfortable and in C# it might be hard to get it running on other platforms.
SQLite would be an excellent choice for the database. It is easy to set up and use in any language.
Links:
http://www.wxpython.org/
http://www.pygtk.org/
https://sqlite.org/
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i'm thinking about programming a tool that would be useful in windows and mac (as we use those at work) and it's 100% necessary that is inside on a OS window.
The first thing that came to my mind was to use java - as it's cross platform - but, is there any alternative to program cross platform window based programs?
Has anyone tried to use C# windows forms with Mono in other OS's?
I'm interested in a garbage collected language if possible as I don't want to think about possible memory leaks for a tool that can be slower or faster without any trouble.
Also if it's possible to be as easy as it is in visual studio + C# it would be awesome!
Any idea will be appreciated, thanks!
Java is fine if you're comfortable with it.
Many languages have bindings to cross-platform toolkits: for example Python is very pleasant and has PyQt4 or WxPython, both of which can be used to make GUIs which work nicely on Windows or Mac.
In the manage-your-memory world, using Qt from within C++ is actually very pleasant (they have a nice API). I find it creates more elegant applications than my Java code (they feel a tad more native) though YMMV.
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I was planning on learning a way to create my own programming language and I wanted to know what language to write a compiler with. C? C++?
Windows Vista and newer come with the .NET Framework installed by default. That in turn already provides a compiler for the .NET languages (most notably C# and VB.NET). It's the only provided language you could possibly write an efficient compiler in. Other languages are VBScript and JScript (via windows Scripting Host) and batch files, so nothing you'd really want to implement more complicated stuff in.
Depending on the complexity of the language you want to create, a C++ implementation may provide better performance, though. No offense, but you don't quite make the impression that you really know how to implement a compiler for a new language. Greg Hewgill's link should give you some starting points there. The thing is, creating a new (formal) language is anything but a trivial task. Yes, the tools to do it are free, and so is the knowledge. But you should really already have a solid understanding of the programming language you want to write the compiler or interpreter in before even attempting to do it.
I suggest you use C#; DLR is great for this purpose.