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I was wondering if there is a way to design a program in a graphical way. What I mean is that if its possible to have, for example, the classes on the screen as little child windows and that there is inside a list box with all the properties, functions, subs. and that the classes that inherit each other are joined by a line.
Hopefully you understood me...
Sounds like every UML tool that I know.
Take a look at squeak and scratch. Squeak is an implementation of smalltalk the pioneering object oriented language. If you are familiar with ruby you will see a lot of similarities.
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I am new to functional reactive programming and I would like to know how different packages compare in Haskell. They all seem to have slightly different approaches and I don't know enough to choose between them.
I also think that the available information for some of the packages is out of date. This previous Stack Overflow question recommends either netwire or reactive-banana but currently netwire won't install with stack because it depends on an out of date profunctors package.
So basically, for a beginner, how do the various FRP packages compare against each other? And which are best for GUI applications and which are best for simulation/game applications?
Thanks,
I found this link very helpful for comparing FRP libraries. It gives example code for a simple application written in each library.
https://github.com/gelisam/frp-zoo
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How to represent a system like google docs queuing system using UML class diagrams? I haven't used much UML and trying to design a system like Google docs.
I'm not a UML pro but I took a quick stab at it. There's probably some missing pieces here but I think it's a good start. It would be great if someone who knows how to correctly model this can provide their diagram.
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It's been a really long time since I worked with UML Diagrams.
I started working with UML Use Cases again, for a real world project. I would like to ask some questions.
How should I approach writing use cases?
I believe the tasks that leads to a "Major/Bigger" task should not be considered as use cases by themselves. Am I right?
Okay, what if I have a task like View tutorial and it has Comment on Tutorial, Favourite Tutorial, etc. Should these be separate use case, Extending View Tutorial? If yes, but, aren't they small features, why we should include them?
I'm mixing some stuff here, I hope someone could enlighten me .
Thanks!
Read Alistair Cockburn's Effective Use Cases book (see it on Amazon: 1). He does an excellent job of explaining practical use of use cases in a structured and effective way.
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What are applications where search techniques or more specifically planning techniques are used? I am most interested in examples in use.
I know that A* is used for path planning in Robotics, that planning is used in logistics (details would be great) but what other usages are there?
For Search in general Google, etc come to mind with their inverted indices. Again, where else is it used?
For planning examples, including logistics challenges, take a look at this list. Each use case comes with multiple datasets and a problem definition.
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I am wondering how you would code an image vectorization program, al la vectormagic.com? Where would you even begin and would it be possible to create in any web based programming languages?
Behind vectorization programs are complex algorithms (for basic outline look on quite nice paper depixelizing pixel art by guys at Microsoft).
Anyway, it's possible to write almost in any language, that can process images, but those complex algorithms are pretty system resources expensive. So web based languages are quite inappropriate for that type of task.