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  • Rule Engine in .net

    - by user641812
    I have to import data from excel to SQL database. Excel data contains various parameters and there value like P1,P1,P4,P5 etc. I have to apply business rules Like if( P1 100 and P1 < 200) then insert the record in database. Similarly in some cases string values are also validated. Can I have any open source rule engine that contains UI to change , add , delete the rules. Am using C# to read the excel and and insert the records One more thing which is best approach: Read excel first and store every record as an object in a collection, then iterate through the collection, apply business rules on every object and then insert record in the database Or Read one record from excel apply business rule and then insert record in the database. Repeat the process for whole excel.

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  • What is the ideal self hosted search engine?

    - by Tim Post
    I have an internal (intranet) site that is comprised of several blogs and forums, hundreds of static pages, lots of PDF files and several other document types. Its been glued together loosely over the last couple of years and now its my job to maintain it. I'm looking for a search engine that I can host myself that ideally: Allows for searching the Blog / Forum databases directly if given the database information and tables to search. Handles most text documents (PDF/DOC/ODF) Is open source, or allows access to the source code once purchased It doesn't matter to me what language or platform it is written in. Normally, I'd just use Google site search, but that's not an option for an intranet.

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  • SEP Search Engine Placement

    - by Cory Baumer
    My employer was recently contacted by a company who convinced my employer that they could do what they called search engine placement and that they can guaranty that we will be placed on he top of googles search results. I immediately told my employer that it sounded like a scam, but I was made to contact the company regardless and investigate. The sales person insisted that SEP was different than the SEO and ad words campaigns we are already performing and that it was a cheaper way to be listed in the adwords section and that it didn't include a cost per click. It sounds to me like its kinda scammy like they are going to setup an adwords campaign and just charge us a flat rate that is higher than the cost per clicks. Has anyone heard of this and is it at all legitimate?

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  • Use of Service Bus in a Pub-Sub Engine

    - by JoseK
    In one of our projects, we've built a Publisher - Subscriber Engine on Oracle Service Bus. The functionality being a series of events are published and subscribers (JMS queues) receive these whenever a new event is published. We are facing some technical issues now, performance-wise and hence an architectural review is underway. Now for my questions: Architecturally the ESB has to publish events into a DB and read from the DB which users wish to be notified, then push the event onto their respective queues. There is a high amount of DB interaction and the question is whether ESB should be having such high amount of interaction with the DB in the first place? Or should there have been some alternate component responsible for doing this. Alternately is there any non-DB approach in which we can store the events and subscribers? Where else can this application data be held within the ESB context?

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  • How do i make my google web app searchable on google?

    - by LoudNPossiblyRight
    I have started to develop a web app on google's app engine and i wish to make the static content on the site searchable on google. For example, my app is at http://ajakimov.appspot.com/ and on it there is only some random text like 'form bell road smear sky orange fan glass key'. When i google for 'form bell road smear' for example or the title of the site for that matter , i get no results - cant find the site. Does anyone know how to make a appengine site google-able? Thanks.

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  • Quality Backlinks - A Key to Search Engine Optimization

    Backlinks are the links which are going to your blogs, sites or articles. Backlinks are the most important and single very significant factors to give the page rank to your site or blogs.They are great technique and way to find a proper and a decent place in the goggle or any of the major search engines. There are many other aspects of SEO but quality back links are the most appropriate way to find a great way in terms of search engine optimization. Now it is the time to take a look at the components which are very important about backlinks.

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  • How to use pom.xml/Maven to initialize a local thoughtsite (App Engine sample) project in Eclipse?

    - by ovr
    This sample app ("thoughtsite") for App Engine contains a pom.xml in its trunk: http://code.google.com/p/thoughtsite/source/browse/#svn/trunk But I don't know what command to run in Maven to set up the project locally. (The README doesn't mention anything about Maven.) I tried to just import the project code directly into Eclipse but it doesn't look like it's in an appropriate format for a direct import. So I assume I need to do something with Maven to get it set up correctly. I haven't really used Maven before so I'm not sure what command I would need to run to set everything up. The pom.xml seems like it downloads a bunch of dependencies for the project like the Spring jar files which I don't see anywhere else in the svn repository.

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  • Is it possible to run locally JRuby on Google App Engine without restarting server on every change?

    - by elado
    Unfortunately, GAE requires restart of the server on each code change. Is it possible to prevent it and have immediate feedback after code save? Or, can I import Google App Engine's API into my ruby code and run it on Sinatra server? Tried this but it fails on "import com.google.appengine.api" (it doesn't know what 'com' is). For Sinatra, I use "Rerun" ( http://github.com/alexch/rerun ) which restarts server immediately after a change with minimum wait. Thanks.

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  • Designing a Business Rule Engine

    - by Nisha_Roy
    I have a requirement where there are 10 Rules to be applied on data in excel. If Rule 1 and Rule 2 fails rest of the rules are not checked. But if Rule 1 and Rule 2 passes the rest of all the Rules should be verified and if any errors found- they should be logged. Is there any design pattern which I can use to keep this Rule Engine flexible for adding these 10 rules and Closed for any additional chains in the Current Rule. I was thinking of something like a Decorator Pattern. Will this help me achieve that?

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  • Google I/O 2012 - App Engine Overview

    Google I/O 2012 - App Engine Overview Doug Orr, Jesse Jiang, Alexander Power Be the first to hear about the exciting new platform products which you can use to work better in the cloud. Discover how the Google Cloud Platform is expanding to meet your current and future needs. Learn how the over 150k developers in startups and businesses building mobile, games and modern web apps are already enjoying the benefits of the platform. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 1781 16 ratings Time: 54:04 More in Science & Technology

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  • Recommended 2D Game Engine for prototyping

    - by Thomas Dufour
    What high-level game engine would you recommend to develop a 2D game prototype on windows? (or mac/linux if you wish) The kind of things I mean by "high-level" includes (but is definitely not limited to): not having to manage low-level stuff like screen buffers, graphics contexts having an API to draw geometric shapes well, I was going to omit it but I guess being based on an actual "high-level" language is a plus (automatic resource management and the existence a reasonable set of data structures in the standard library come to mind). It seems to me that Flash is the proverbial elephant in the room for this query but I'd very much like to see different answers based on all kinds of languages or SDKs.

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  • Why bother writing an Windows 8 app?

    - by Dennis Vroegop
    So you want to know more about development for Window 8. Great! There are lots of reasons you should be excited about this. Since I don’t know why YOU are interested in this, I’ll make a list of reasons people can choose from. (as a side note: whenever I talk about Win8 development I am referring to the Metro Style / WinRt side of things. Apps for the ‘classic’ desktop side of Win8 on Intel are business as usual…) So… Why would you care about making an app for Windows 8? 1. It’s cool. Let’s not beat around the bush: if you like development for a hobby then you’ll love to work on this new platform. You can create apps in a relative short time (short time as in compared to writing a new CRM system) and that makes it great for a hobby product. 2. You’ll stand out. Hey, we all need an ego boost every now and then. We all need to feel special. So if you can manage to be one of the first to have you app in the Store then you’ll likely to be noticed. Just close your eyes for a moment and image you standing in a bar. It’s crowded, and then you casually say “Oh yeah, I just had my app certified and it’s in the Win8 store now”. People will stop talking, will offer you drinks and beautiful women / gorgeous man / furry creatures from Alpha Centauri (whatever your preferences are) will propose. Or maybe not. Anyway…. 3. Make some cash! IDC predicts there will be about 350,000,000 Windows 8 licenses sold in the next year. Think about that number. 350,000,000. And they all have access to the Store. Where you’re app will be. With one little click they can select it, download and somehow magically $1.00 or $2.00 from their bank account is transferred to yours. Now, I am not saying that all of those people will download and buy your app but what if only 1% of them did? Remember: there aren’t that many apps available yet….. 4. Learn. Creating new small apps is a great way to learn new stuff. Yes, you could read about it (on this blog for instance) but the only way to learn something is to do it. So be prepared for the future and learn something new by doing it.Write an app! Now! 5. The biggie (for me at least): it’s fun. Even if you remove the points above it’s still fun to write for these devices and this platform. Now some of you will say : “But why not write a great app for IOS or Android?” I think this is a valid question. Of course the novelty of the platform wears out and points 2 and 3 from above list will not be as relevant as it is today. But still 1 4 and 5 remain. And don’t forget: if you already work on the Microsoft platform it’s not that hard to learn this new Win8 stuff. If you have done some XAML development (be it WPF or Silverlight) you are almost there in becoming a good Win8 developer. So you’ll be more productive much sooner than when you have to learn Objective C or Java. Even if you’re a HTML / Javascript developer (I say developer here, not designer) you’ll be up to speed on Win8 development pretty soon. Yes, you, that funky Web Developer who lives and breathes HTML5, CSS3 and JavaScript / Node.Js / JQuery: you too can be a Win8 developer. A first class Win8 developer! So.. Download the stuff you need from http://dev.windows.com install Windows 8 and Visual Studio 12 and by the time you’re ready I’ll be working on the next article: how to do all this? Happy coding!

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  • The underlying mechanism in 'yield return www' of Unity3D Game Engine

    - by thyandrecardoso
    In the Unity3D game engine, a common code sequence for getting remote data is this: WWW www = new WWW("http://remote.com/data/location/with/texture.png"); yield return www; What is the underlying mechanism here? I know we use the yield mechanism in order to allow the next frame to be processed, while the download is being completed. But what is going on under the hood when we do the yield return www ? What method is being called (if any, on the WWW class)? Is Unity using threads? Is the "upper" Unity layer getting hold of www instance and doing something?

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  • What is the best language to use for building a fulfillment engine [on hold]

    - by John Stapleton
    I asked this on stack overflow and was suggested to move it here. I do understand it is a matter of opinion which is exactly what I aim to achieve here... I wanted to know what you think is the best language to write a fulfillment engine in? I cannot provide much detail but I am trying to build a control interface for servers and i wanted to build a program daemon that would process data on the authoritative server and the slave servers( the backbone of the network) with their own daemons running would check regularly(every 5 minutes or so) with the authoritative server and process the commands(securely) I am trying to build this with a minimal footprint(cpu and ram wise for the slaves, authoritative is going to be scalable) and to make it automated so that the user does not have to configure the daemon(installation is automated by the authoritative server) I am leaning away from my usual php set up for simplicity sake. Edit: I am not an expert in any particular language but flexible enough and willing to learn another.

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  • Implementation of a Rules Engine in Your Business Applicaitons

    - by enonu
    I'm for an experience driven answer from a few software engineers who have implemented a rules engine in their internal business applications. How has it affected your business in the following ways: Ability to launch and iterate over business driven logic Ability to have "business users" perform the actual modification of those rules rather than developers. Ability to comprehend the business rules in general. Quality of the software releases. More or less bugs from the end-user's POV? Speed of the applications. If you had to do it all over again, what would you do differently? Lastly, I'm looking for a qualification of your answer w/ respect to the architecture. Would you do the same thing if you were deploying to a 1-machine setup vs. your architecture vs. a multi-tier cloud-based distributed architecture using 1000s of machines? How would it be different? Thanks!

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  • Mix2010: Search Engine Optimization (SEO) for Microsoft Silverlight

    I had a great time today in my Mix2010 session on SEO for Silverlight.   You can find all the slides (more than I was able to cover in the talk) here.  and the the full play-by-play of the demo (include a link to the completed solution).    I started off talking why SEO matters Then I talked about three tips   You can view the site live by using Bing for my foodie Explorer Cooking Class with Joe.. or the other guys search engine equally well. ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Passing data between engine layers

    - by spaceOwl
    I am building a software system (game engine with networking support ) that is made up of (roughly) these layers: Game Layer Messaging Layer Networking Layer Game related data is passed to the messaging layer (this could be anything that is game specific), where they are to be converted to network specific messages (which are then serialized to byte arrays). I'm looking for a way to be able to convert "game" data into "network" data, such that no strong coupling between these layers will exist. As it looks now, the Messaging layer sits between both layers (game and network) and "knows" both of them (it contains Converter objects that know how to translate between data objects of both layers back and forth). I am not sure this is the best solution. Is there a good design for passing objects between layers? I'd like to learn more about the different options.

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