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Is there any alive Haskell library which implements FRP and could be used to program UI/interactive graphics?
What I expect from such a library:
Doesn't use any crazy GHC extension, so code could be understood by mortals.
Not abandoned (had some commits in last 6 mouths and few answered thread in mailing lists).
Backed by some modern window library (Qt, GTK) and covers fair amount of it functionality.
Also has drawing and animation support, i.e. let the user to simply define some shapes and effects and bind their parameters to behaviors.
I checked some resources and picture is quite sad.
Original Fran and its ancestor Fruit family are officially dead.
Reactive is an abstract framework and doesn't have bindings to real UI/graphics (did I miss something?).
Netwire also look aimed for general case. Currently it has no documentation covering how to build UI/graphics with it. The only example is a full application not even close to tutorial.
Grapefruit looks good, but it had last commits in December 2013 and the mailing list full of spam. I consider it abandoned.
Yampa has not documentation at all, and the mailing list is silent since November 2013.
Reactive Banana has been updated relatively regularly, has bindings to SDL, some decent examples, a tutorial and a relatively small but decently commented API reference.
There's also a backend to wx, and see this question about using it with GtK.
The maintainer, Heinrich Apfelmus, is on Stack Overflow, and often answers questions on the reactive-banana tag.
Does this suit your needs?
GUI programming is the major use case of reactive-banana I believe.
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For designing the MEAN stack application, I am creating separate modules( angularjs,expressjs,nodejs,mongodb) and i am linking them manually. Can you please suggest me an IDE available for directly designing MEAN stack application.
These topics on Stack Overflow usually get flagged as contentious or something after a while. However I thought I would share my own experience of using JavaScript IDEs under Windows.
I was using PyCharm, however my dev box is ageing a bit and PyCharm is too heavy for it. Besides, as the name implies, it's really for Python, in fact I started using it for Django.
If I could afford WebStorm and a box to run it on, I'd definitely check that out :)
I fell back on the default at my workplace, Notepad++. However the linter add-on is a bit clunky, and it has real difficulty rendering JavaScript in HTML.
For now I am satisfied with my recent discovery of brackets.io. It does have an early days feel to it, but I find it's code completion particularly useful, and once I got an add-on to use JSHint instead of JSLint it chimes very well with the meanjs code I'm learning from. Meanjs uses swig templating, which parses as straight HTML so there's no problem there, but if you're wedded to a particular template module then you should look for an IDE that supports it, either directly or via add-ons. Brackets.io seems to have quite a lively add-on community at the moment.
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I searched over Google, but I didn't find anything associated with my issues. However, I am able to use SwingTimer but it can do some basic things only, what I wan is some API that have multiple animation that I can select.
As it's none functional thing to my project(s), but it's a nice to have some animations to make the functional more comfortable with user.
Thanks for any suggestion.
Personally, I use the Timing Framework, this has more to do with the amount of library code I've built around it then it being superior to any of the other frameworks.
You may also wish to look at Trident, which has some nice mechanism for changing object properties and the Universal Tween Engine
Do you have to use frames? If i'm not mistaken, that's a pretty outdated element. Personally i'd use something like Twitter Bootstrap, they have a "tabbed system" that is much much better.
http://getbootstrap.com/2.3.2/javascript.html#tabs
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FogBugz is great bug tracking and project management software. But it is not free and non-open source. Is there a good enough, open-source and free application, which can be used as replacement to FogBugz?
Actually, I like EBS (Evidence-based Scheduling) feature in FogBugz. Are there good trackers with this feature?
There is Bugzilla, which is an open source issue tracking system.
Here is a more extensive list
http://en.wikipedia.org/wiki/Comparison_of_issue-tracking_systems
While there are plenty of decent open source bug trackers such as Bugzilla (as Navi mentioned) and Mantis Bug Tracker, I haven't found many which also include solid project management features like FogBugz and other licensed software.
I suppose that it also depends on what kind of project you are tracking. If it's something which doesn't require much more security than a username/password, you might find a good number of web services which can host your needs; however, if you work for a company/industry which requires more discretion (say- government?), then you most likely won't be able to take advantage of the greater web community for these needs.
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I'm planning to perhaps purchase an android phone, and would love to be able to script some simple apps in Ruby on it. I found this article from back in August where the author was able to get the scripts working, but since I'm not a Java head, I had a hard time understanding all the steps.
http://amazing-development.com/archives/2009/08/04/android-scripting-environment-supports-jruby/
Do you know of any other tutorials or how to's out there that explain the process in more detail? Do you know if performance has improved since August?
There is a nice implementation of an Android app (irb in fact) based on JRuby in headius's repository on github. He has some details within the readme on how to use it and the source gives a good example of how to implement anything further.
There is a simpler app (think to "Hello world") but shifting to Mirah (formerly Duby) as opposed to JRuby. I know it's not exactly the same, but you get much the same coding experience but significantly more performance.
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I'm looking for a quick way to detect faces in pictures (stored as JPG or any other popular image format). Code in any popular programming language will do (Python, C#, Java, Matlab, etc.). I'm also willing to implement an algorithm by myself, as long as it is proven to be a good working one.
Alternatively, if there are known freeware (preferably open, but not necessary) tools or SDKs for the problem, I'll try them too.
Finally, Commercial products would be considered as well, if all else fails, so recommend those too.
OpenCV is a open source library that has support for face recognition.
Emgu.CV is a C# wrapper for OpenCV. There is a sample project that performs face recognition with adjsutable parameters just like in OpenCV.
Take a look at these guys, I've used this once partially for a project.
http://ayonix.com/en/products/software/ayofa.html
I wrote about resources and example code for face classification in this post.
If you want a quick way to do face recognition look at the example code for face recognition in OpenCV for Python or C++ here.
There is also a Matlab code that I found very useful and is ready to run with a single click right here