Broadcast peer-to-peer network [closed] - networking

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Can someone suggest some ways to implement a high-level design for 'broadcast peer-to-peer network'?

Sounds like you're simply describing the internet. No limit on nodes, nodes can join/leave anytime, redundant routing makes the network robust, load balancing can ensure you're not using some nodes too much.
Your last requirement... consistency... that really has nothing to do with the network. What you're looking for is an eventually consistent data store, and without knowing more about your specific requirements, it's not possible to give you much more of a specific answer. There are many tradeoffs you need to choose related to the data size, latency, atomicity, sharding, replication factor, etc.

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Is there a C code analyzer which can show usage of global variables in functions? [closed]

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right now I have a big project with legacy C/C++ source codes. There are many global variables spread in different functions. In order to analyze the code, I need a tool which can take a look into these functions, check what local/global variables are used and modified in this function, and then better show theses interfaces graphically.
Does anyone have experience with this kind of analysis and know accordingly the tool names? I've tried Understand from SciTools, but it cannot deliver this kind of report.
Thanks!

Websites explicitly designed for testing Web Scraping applications [closed]

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I'd like to test functionality that's based upon rvest. Are there any websites that are explicitly designed for testing Web Scaping apps, i.e. websites whose structure does not change?
This question is a bit off-topic really, but I'll answer anyway. I just googled for a few things, found this:
http://scraping.pro/web-scraper-test-drive/
which has its test pages here:
http://testing-ground.scraping.pro/
although I think this would make a nice project containing the test cases and the correct results in a form that could be used in any language's test framework...
I'm sure there's other things beyond the first google hit, which you should have done anyway.

Any free database of English-Spanish words? [closed]

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I want to make a Vocabulary Trainer and I was thinking about the best way to do it. First I searched some translation APIs to use, to avoid having to build my own dictionary, but I found that most of them are paid and some are free but have limitations.
So, I think the best way is to make my own dictionary, which also allow me to work offline, but I wonder if there is any free database of English-Spanish words to avoid starting from scratch.
Do you know any?
Thanks a lot!
You could try http://www.omegawiki.org/ as they claim this:
The aim of our project is to create a dictionary of all words of all languages, including lexical, terminological and ontological information. Our data is available in a relational database, as a result it is possible to use the data for many purposes.

Book suggestions for Low-level ethernet/networking (e.g. MII) [closed]

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I had a colleague who is using Xilinx's LocalLink TEMAC
While I find the DS interesting, I would like to learn more about the basics of it. Does anyone have any recommendations for a good low-level intro to networking/ethernet book?
I don't need to know "how to be a good network administrator", but rather interfaces like the MII, GMII, and how they communicate with different PHYs that are on the market. My questions that I'd like to learn about are similar to:
What is ethernet?
How are packets structured?
What is a preamble and how is it used?
What is a frame?
I'd also be interested in online sites if it's really much easier to learn from in your opinion. If there is a book series, I would be open to that as well.
One of the best networking books I've found is "The TCP/IP Guide: A Comprehensive, Illustrated Internet Protocols Reference" http://www.amazon.com/TCP-Guide-Comprehensive-Illustrated-Protocols/dp/159327047X/ref=sr_1_5?ie=UTF8&qid=1312296674&sr=8-5. The only thing this doesn't cover in great detail is the actual layer 1 stuff. Well even then it goes over some basic details, but the book is excellent for most anything you need to know regarding networks, packets, headers, etc....

Design Pattern for Components that depend on each other [closed]

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We are building a "configurator" application for conveyors. Basically user comes in and picks a model, then start picking the parts they want. Some components have dependencies on other components. E.g. if I pick Part A, then I am required to select 1 or more Part B's. It is somewhat similar to configuring a PC at Dell.com. The app will also provide suggestions on parts/components.
Based on this info, I am researching if there is an existing pattern(s) that would allow us to make this easy to maintain and design. Any thoughts, ideas? Are there any open source projects that have similar functionality I can borrow ideas/patterns?
I am mostly interested in how to define "rules" between components without hardcoding the rules/dependencies.
Thanks for any help.
Not that it should matter, but we are building this in .NetFramework 3.5/Asp.Net
Without a good reason to do otherwise, I'd keep it simple and each part would have a list of dependent parts.

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