I have developed a stand-alone application using the MATLAB Compiler and I would like to be able to distribute it, as this is a common practice to let the potential user tests the application before buying.
Is there any ability to do so using MATLAB?
Your help in this regard is highly appreciated. Thank you in advance.
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We have a service that uses Drools quite heavily. Would like to improve the performance by running it on GraalVM.
Is it possible to run Drools on GraalVM without using Kogito?
Disclaimer: I'm one of the Drools developers
It's definitely possible, as you've already notice, we do indeed support native image compilation with our Quarkus backend, but it'll require you to write you some code, there's no such possibility in the current codebase.
Please note that only the executable model will be supported with the static component injection (the drools-core-static module in Kogito)
Is there a reason why you don't want to use Kogito though? We are really interested. Please join our community channels or the mailing list if you want to share your feedbacks, as SO is not the best platform for it.
Thanks for your support
I would like to run Erlang application on a centOS server for stress testing. I would like to know what I must accomplish to deploy a Erlang application before I send it to the server admin to install and run.
What will I need to tell my admin to properly run an Erlang app on a server? (Basically how can I send him a file and give him an really stupid easy instructions to install it?)
Is their a way to send my app in a executable format that the admin can easily install with? Kinda like PyPy?
How can I perform code swapping? Will the app need to be in it's code state still in order to do this?
I would appreciate any help to make this process easy. Thank you!
For anyone just passing by: Even though this is my first Erlang app, I highly recommend anyone wanting to build a easy to scale server user Erlang. The benefits are amazing, if you know how to use Erlang properly.
Cheers!
The usual way of deploying an Erlang program (I'm avoiding the word application here, as it's somewhat ambiguous in an Erlang context) involves building a release (see this for some background). A release is essentially a packaging of your Erlang code (which often consists of multiple applications - hence the ambiguity) and the parts of the runtime system required to run it. The Erlang release system was designed with code upgrades in mind.
If you are using Rebar to build your program, you may find this article helpful. In addition to describing how to build a release (the process is a bit tricky) it also explains how you can deploy an upgrade.
A similar guide is also available for users of erlang.mk. If you're not using one of them already, or a comparable build tool, I strongly encourage you to do so as it makes release handling much less painful.
You may also find the answers to this question helpful. They list some additional options.
I just wonder. Is there anybody in the world, using TDD or BDD to write an OS? And is this even posible? I've tried to google it, but didn't find any kind of information.
So, guys. Is it possible to build an entire OS using TDD? And BDD?
It is possible to use TDD for most of OS development and for most of the code. It may get tricky at certain times/places due to limited testability of low-level, especially CPU/hardware-specific, code. These parts either may receive less direct test coverage (if that's OK) or can be tested in virtual machines or CPU/PC simulators.
It is definitely possible. I don't know anyone who is doing it.
As a proof point, I would point out what people are doing with test driven infrastructure with Chef and unit and behavioral testing there. For more info, see TestKitchen for Chef.
i am using contiki-os to simulate some motes which would have semantic capabilities. As the contiki-os (erbium) is written in C but our semantic libraries are written in java.
can anyone here guide me if it is possible to exploit these libraries in erbium or contiki-os. or i have to rewrite everything from scratch ?
update
just a minor update to the question. is it possible to use java code on the cooja simulator?
Cooja is indeed written in Java.
You can extend or modify Cooja if you need.
You can find out more about Cooja on the Contiki wiki as well as in numerous papres by Fredrik Österlind. Perhaps you should also take a look at Fredrik's PhD thesis "Improving Low-Power Wireless Protocols with Timing-Accurate Simulation", which is mostly about Cooja.
You might be able to use something like this:
http://www.codemesh.com/products/junction/
It appears to have a code generator that takes a java bytecode and create C code from it... but it might also need a runtime library that's platform specific.
With all that in mind, I don't think you will be successful. Most of the platforms are nearly out of space and/or flash by the time you are working with Erbuim; I doubt you'll have resources to process java code somehow.
And if you did get some success from this approach it would probably take a lot of time and effort to do so. With that time and effort you probably could have written the C code to do what you need instead.
We are a group of students of chemical engineering mostly proficient in MATLAB and Simulink but with almost no clue of web programming.
Our idea is to develop some online examples by using interactive graphics with dynamic effects and 2D/3D simulations. We know that MATLAB has some solutions but the compilers are not available for the student version. Furthermore, we want to promote the use of free open source alternatives (SciLab, Octave, NumPy)
Ideally, we would like to use a 4GL which includes a free library for numeric analysis and combine it with graphic user interface framework for web applications.
An good example will be Easy Java Simulations that generates java code and can be easily implemented online. However, we are looking for something that can be executed without java or another plugin (see google chart tool)
Although we are willing to learn (Python, Java), we would like to start with the easiest solution towards a painless transition for a chemical engineer ;)
We will really appreciate our recommendations and suggestions!
Your best shot is to buy the product Matlab Builder NE. You can use WebFigures to seamlessly create web applications from your Matlab application.