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I am looking for some good online sources which explain process sychronization,process and threads with practical examples.
i have gone through a lot of theoritical stuff but always face confusion and difficulties when actually trying implement them.
This is a link where you can find the code very useful for thread synchronization.
I started on Tanenbaum's (Wikipedia) "Modern Operating Systems" book then moved on to Linux From Scratch. For practical examples OSDev here and here is a mine of information when you become really hands on. Otherwise, for Windows specifics there are no shortage of books or MSDN literature.
I found Tanenbaum a very entertaining read, he invented the Minix OS which he uses for real world examples. Minix is from around the same era as Linux. Have a look at some of the very early Linux source code release (eg 0.1 or therabouts if you don't want to lose a year of your life studying pure code).
Wikipedia Is Always The Best Online Tutorial Guide. However u can also Check This Link.. If you would like to go with a Pdf Book then u can click Here.. Its really Good Book
this link for NACHOS may be a good help for you. In our undergraduate class we did some good assignments in OS course.
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trying to get my own filesystem working using fuse (filesystem in user space, linux) im really curious on where to get detailed up to date documentation of the operations used?
most time i search for other file system implementations and see what they do, but some operations seem to be not widely used like poll/ioctl or bmap.
and the documentation of the fuse api doesnt help much, cause e.g. the parameters and return values of the operations are not documented thus i have to guess how to use em
so the question is where do i get better information about how such exotic operations are supposed to be implemented?
thx
Yes, you are right, many places you can read that comment saying there is little documentation on FUSE. Perhaps that's because there is so little to document. Or perhaps the implementation is only meant for those who understand the tradeoff of userspace filesystem well enough. So perhaps you can refer to the following documentation, tutorials, slides or even sample codes for more information:
FUSE Design Document (original documentation from Sun?):
http://www.youblisher.com/p/31627-fuse/
http://wr.informatik.uni-hamburg.de/_media/research/labs/2008/2008-03-michael_kuhn-container_library_and_fuse_container_file_system-report.pdf
http://www.oug.org/files/presentations/losug-fuse.pdf
http://sar.informatik.hu-berlin.de/teaching/2013-w/2013w_osp2/lab/Lab-4-FUSE/lab-FUSE_.pdf
http://www.cs.hmc.edu/~geoff/classes/hmc.cs135.201001/homework/fuse/fuse_doc.html (tutorials)
http://www.cs.cmu.edu/~./fp/courses/15213-s07/lectures/15-filesys/index.html
http://www.cs.nmsu.edu/~pfeiffer/fuse-tutorial/
Sample code:
http://fuse.sourceforge.net/helloworld.html
And perhaps this is more research-oriented:
http://www.msrsas.org/docs/sastech_journals/archives/May2011/2.pdf
https://code.google.com/p/s3fs/wiki/FuseOverAmazon
But generally there is a lot of problems/issues (which may be solved through some complex algorithm) with implementing filesystem in userspace, which is why Linus has commented it as "toy":
https://ceph.com/dev-notes/linus-vs-fuse/
15Apr2015 update:
I just found this (and many other slides - just look at the right hand side of this webpage):
http://www.slideshare.net/adorepump/fuse-developing-fillesystems-in-userspace
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I want to dive into AI topic. I'm specifically interested in multiagent systems. What resources, book, etc. can you recommend to get started, from the very beginning? If that matters I'm a .NET developer.
You can check out my free Multiagent Systems Textbook.
This is the book I used at Uni :
Artificial Intelligence: A Modern Approach (International Edition)
I found it to be excellent and easy to understand.
I know of two books that are very good resources in multi-agent systems and provide algorithmic view of it:
Multiagent Systems: Algorithmic, Game-Theoretic, and Logical Foundations(free download)
Fundamentals of Multiagent Systems with NetLogo Examples (free download)
Two other books for anyone else that comes across this question:
Essentials of Metaheuristics goes over many commonly used approaches in modern AI.
and
Swarm Intelligence: From Natural to Artificial Systems a bit old, but good fundamentals of nature-inspired swarm techniques.
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I have done some searching around the internet trying to find some form of example code that will allow me to simplify trigonometric equations. In my mathematics course-work this year I am required to simplify trigonometric equations, and I intend on adapting the code to work with my TI-89 Titanium CAS, to use in replacement of the tCollect and tExpand functions (that can't seem to get the job done quite as nicely as I'd like it to).
As I can't really find all too much information on the matter I'd like to know if there is any code (preferably C-based) that will help me to simplify these kinds of equations. If not, what kind of algorithm would be best looking into to code myself?
Thanks.
A very powerful system that seems to have the functionality you need is Maxima, an open source computer algebra system. The following manpage describes trigexapand and trigreduce, which would seem to be roughly what you're looking for.
http://maxima.sourceforge.net/docs/manual/en/maxima_15.html
It's in Lisp rather than C, but consider that an adventure :)
Eigenmath is a handy little computer algebra system.
You might find something relevant in Eigenmath's source code.
The HP49/50 series calculators have a variety of trig manipulation functions that may do a better job than the TI-89. The CAS for the HP calculators is open source, but written in an obscure language. You'd be better off checking out the next CAS written by that guy: Giac/Xcas, written in C++.
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Im an experienced actionscript developer, and relatively new to Objective C.
I decided a good investment of my time would be to master the C language (not C# or C++).
Can anyone recommend the 'best' online tutorials for learning C?
You won't have difficulties understanding the C syntax given your past experience, and unfortunately, most tutorials and introductory books will focus on it much more than they should.
C is full of traps, but it is a simple language which gives you full control on what is going on with your programs. However, it is difficult to master. You will need something more elaborated than a simple tutorial which will be half full of things you probably already know.
I definitely recommand K&R's book if you want to learn the language correctly. Be sure to grab the second edition.
I agree with James' comment, though I would recommend looking over the first paragraphs of a web based tutorial.
Though they're not the best for learning the language itself, you can get a feel for some trivial programs and see if they fit your brain.
The worst thing that can happen here is if you buy a book and can't use the language (for whatever reason).
As far as specific selections... I can't give you any.
As you've asked for online resources only, so here is one
http://www.cprogramming.com/tutorial/c/lesson1.html
Like Alexandre , I would also recommend K & R's book
You should check this out too:
http://www.phy.duke.edu/~rgb/General/c_book/c_book/index.html
I've looked through it, it's got some good examples and it's a good read.
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Are there any Binary Decision Diagram (BDD) libraries for C, or other languages that are tested and have good documentation?
Check the BDD library from CMU.
Also, for basic reference purposes, Pre-Fascicle 1b of The Art of Computer Programming is all about BDDs. Here's a gzipped postscript of it. Knuth has posted a number of the programs he wrote while preparing for it on his Programs to Read page.
Check out CUDD.
For some info on how to set it up in Windows environments try this..
Binary decision diagram Wikipedia entry, in External links section, as a quite complete list of packages.
BDDBDDB is a BDD-based system for resolving logical inferences a la Prolog. It's been used in program analysis, general game playing, and many other domains. It might not be exactly what you're looking for, but it's well-known and well-maintained.