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Closed 9 years ago.
I have to schedule a conference, there is 6 class everyday and more than 10 lecturer,for 14days. some lecturer are available some days, some are not, some prefer some specific day or classess and some days they are off
i googled it so much but couldn't find good material to learn about it.
i want to learn it ground up, it means if i need to learn constrain programming it's okey for me, because i don't have any background about it.
i'm looking for learning material, book and any suggestion about this. someplace in stackoverflow i read genetic algorithm it's good for it but no one was sure about it.
because it's one of the most easy topic that i have to face, and i will face more hard solution in future, i have to learn from basic, new task from my manager and i have to face it.
i appreciate if you suggest any book, site, paper and sources to learn or share with me
OptaPlanner (open source, Java) is used for conference and course scheduling. The download contains the code of a complete course scheduling example called "curriculum course", which is also documented in the reference manual.
As for other sites, you might find the ITC2007 timetabling competition interesting.
Related
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Closed 10 years ago.
I have a project that's in the design phase and looking at my options have decided on using Postgresql for the application backend because of licensing and features. I have searched around but I am unable to find any solid information on using Postgresql in Xcode or even with OSX applications. Could someone point me in the right direction any help would be greatly appreciated.
You have not given quite a lot of context.
On the application side there are quite a few pieces of software running under OS X that interface with PostgreSQL, for example the standard GUI pgAdmin.
But I believe you're more concerned about the developers perspective. Probably the most common way is to use the libpq library that comes with PostgreSQL. It is well documented and rather stable. Integration into your software project should be straightforward.
If you are looking for an Objective-C framework, you could try out BaseTen. Never used that one, though.
If you want more specific help, you have to ask more specific questions.
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Closed 10 years ago.
I recently was asked this question in an interview and would like to hear the answer from you people.
I discussed about code resuability and security that can be achieved by encapsulation and inheritance but the interviewer did not seem satisfied.
He insisted on how exactly an application user is benefited by using applications developed on the principles of oop.
Depends. Purists (and morons) will apply abstraction to every possible bit of code they generate or come across. This is completely unnecessary in something as simple as a direct, simple MySQL call from within a tiny bit of PHP, to log site accesses, for instance.
However, generally OOP can save you plenty of cycles if applied systematically to big data involving lots of information shuffling, like sorting hundreds of rows of data on every page access. It's a matter of when to use OOP and when to just write procedural code. OOP takes time and effort and is maintainable by experienced programmers, but you need to ask yourself if it is worth all that extra hassle on a tiny snippet of code that does one thing internally.
There are plenty of good articles out there (http://berryllium.nl/2011/02/getters-and-setters-evil-or-necessary-evil/) that help you to understand WHY OOP is sometimes unnecessary and in fact harmful.
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Closed 11 years ago.
I have recently started developing iPhone apps without any prior theoretical knowledge about iOS or Objective-C, could someone tell where should i start reading about objective C ?
An excellent starting point is the Apple documentation. There are some good books around, too.
After grasping the language constructs, your next stop for more specific information about any iOS controls, concepts and techniques, can be the iOS Developer Library, which is full of guides, references and FAQs.
My favorite site is given below, It includes most of the tutorials and stuff. Hope that helps you. Also you can start with guide from apple
http://www.raywenderlich.com/tutorials
http://www.codeproject.com/Articles/88929/Getting-Started-with-iPhone-and-iOS-Development
I recommend the following link
http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/ObjectiveC/Introduction/introObjectiveC.html
You can also use Objective-c tutorial by lynda.com
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Closed 12 years ago.
Do you know any book, blog, tutorial which explains in a detailed way the use of some open source projects? Maybe you have written such a tutorial, example of open source libraries, and your final product is great for a beginner to understand it.
I'm in the learning stage of OOP and I really need to learn by examples. I'll like to find some text which explains the use of some open source software/libraries and the good practices. Beign honestly I feel scared to use the open source libraries as I wish/think at this moment. I feel like as I still write procedural code and not OOP.
Do you know such tutorials, links, blogs, stories, pages?
PS: I know C and PHP. I can't say that I know C++ yet, and that's why I need your help.
Start with one of the most popular Stack Overflow questions.
Then head over to the FLOSS Manuals site for manuals about all sorts of open-source tools.
If you still have questions, use the Stack Overflow search box liberally!
Enjoy!
Many open source projects have their own documentation pages. So if you are willing to use a library or a project you can refer to the documentation.
Or else you want to get involved in any open source projects.
Read these things,
http://www.kegel.com/academy/opensource.html
http://jakarta.apache.org/site/understandingopensource.html
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Closed 12 years ago.
Hi there: I was looking at a few videos, etc and I just cant help but wonder why Pex usage seems to be so low?
Are there any problems that are not obvious, or is it just a licence issue?
It's a very new tool and to work really well you need to use Code Contracts as well. It also catches a lot of issues like possible integer overflows that a lot of developers think they can just ignore. Pex is amazing and will take off eventually but it has a learning curve so it's going to take some time to percolate through the .Net ecosystem.
I've used it on a few new development projects and it has saved me two major bugs (not caught by normal unit tests) that would have taken at least a week to track down and fix normally plus a few smaller issues so I'm a big proponent of Pex. That said it takes a lot of work to get it producing good results on an existing code base of any size so how cost effective it is will need to be determined on a project by project basis.