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• Using Accelerometer in Wiimote for Physics Practicals

  - by Omar

  I have to develop some software in my school to utilize the accelerometer in the Wiimote for recording data from experiments, for example finding the acceleration and velocity of a moving object. I understand how the accelerometer values will be used but I am sort of stuck on the programming front. There is a set of things that I would like to do: Live streaming of data from the Wiimote via bluetooth Use the accelerometer values to find velocity and displacment via integration Plot a set of results Avoid the use of the infrared sensor on the Wiimote Please can anyone give me their thoughts on how to go about this. Also it would be great if people could direct me to existing projects that utizlise the wiimote. Also can someone suggest what would be the best programming language to use for this. My current bet is on using Visual basic. Any sort of help is greatly appretiated.

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• Upload a file to SharePoint through the built-in web services

  - by Andy McCluggage

  What is the best way to upload a file to a Document Library on a SharePoint server through the built-in web services that version WSS 3.0 exposes? Following the two initial answers... We definitely need to use the Web Service layer as we will be making these calls from remote client applications. The WebDAV method would work for us, but we would prefer to be consistent with the web service integration method. There is additionally a web service to upload files, painful but works all the time. Are you referring to the “Copy” service? We have been successful with this service’s CopyIntoItems method. Would this be the recommended way to upload a file to Document Libraries using only the WSS web service API? I have posted our code as a suggested answer.

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• Mercurial setup: One central repo or several?

  - by Robert S.

  My company is switching from Subversion to Mercurial. We're using .NET for our product. We have a solution with about a dozen projects that are separate modules with no dependencies on each other. We're using a central repo on a server with push/pull for our integration build. I'm trying to figure out if I should create one central repo with all the projects in it, or if I should create a separate repo for each project. One argument for separate repos is that branching the individual modules would be easier, but an argument for a single repo is easier management and workflow. I'm very new to hg and DVCS, so some guidance is greatly appreciated.

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• Extract XML name/value pairs from different nodes in Coldfusion

  - by Ryan French

  Hi All, I am working on some Plesk integration using the XML API and I am trying to figure out how to parse the XML response that I get back. Most of the data is fine, but the Limits and Permissions are setout differently. Essentially they are set out like so: <data> <limits> <limit> <name>foo</name> <value>bar</value> </limit> <limit> <name>foo2</name> <value>bar2</value> </limit> </limits> </data> How do I extract 'bar' from the xml given that I know I want the value of 'foo', but not the value of 'foo2'?

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• integrating uppercut and cc.net

  - by deepasun

  I am trying to integrate uppercut and cc.net for getting build and revision... What do I have to put in the codebuild folder? while running cc.net, I'm getting svn folder Unable to execute file [D:\CodeBuild\abc\svn]. The file may not exist or may not be executable. ---> System.ComponentModel.Win32Exception: The system cannot find the file specified Without cc.net integration can we get both build and revision incremented? When will build and revision get incremented?

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• What does Visual Studio 2008 do when I add an assembly reference?

  - by tk-421

  When I add a reference to an assembly (living in the GAC) to web.config in an ASP.NET project, what does Visual Studio do? [This is related to an earlier question pertaining to BusinessObjects: http://stackoverflow.com/questions/2379615/ ] When I add "CrystalDecisions.Enterprise" and "CrystalDecisions.Enterprise.Framework" to the assemblies element in web.config, VS thinks long and hard about it, locking me out for a couple of minutes while it scrutinizes the newcomers. What is it doing during this time? I Googled this but came up empty. I can make some educated guesses (IntelliSense integration, perhaps?) but would ideally like to find some documentation describing exactly what's going on. Ultimately I'm hoping to learn why these BO references are making VS take several minutes to open my projects (I struck out on the SAP forums).

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• Automated payment notification with php

  - by Rob Y

  I'm about to integrate automated payments into a site. To date, I've successfully used paypal for a number of projects, but these have always been sites which sell physical goods, meaning I can upload the cart contents, user pays, person physically ships goods. This site is a one off payment to enable extra features on a web app. My current thinking is to go down the paypal IPN route to get a notification back and update the users account based on the successful payment. Question is in two parts: 1 - is there a better / simpler way? (any payment processor considered) 2 - does anyone know of a code library or plug in for php which will speed up my integration? Thanks for your help. Rob

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• Paypal - DoExpressCheckoutPayment null pointer

  - by user969894

  String nvpstr = "&TOKEN=" + token + "&PAYERID=" + payerID + "&PAYMENTREQUEST_0_PAYMENTACTION=" + paymentType + "&PAYMENTREQUEST_0_AMT=" + finalPaymentAmount + "&PAYMENTREQUEST_0_CURRENCYCODE=" + currencyCodeType + "&IPADDRESS=" + serverName; Having done an earlier call to SetExpressCheckout, I had to change a few parameter names because Paypal had changed it in the documentation but not in the code from the integration wizard. Now for DoExpressCheckoutPayment I've modified a few but I get a null pointer at strAck: HashMap nvp = httpcall("DoExpressCheckoutPayment", nvpstr); String strAck = nvp.get("ACK").toString(); if (strAck.equalsIgnoreCase("Success")) { return nvp; } Not sure what is wrong, any suggestions for debugging this or possible solutions?

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• Why doesn't IronRuby have the same tools that IronPython does?

  - by rsteckly

  Hi, I've been using Ruby as my main scripting language for years but switched to .NET several years ago. I'd like to continue using Ruby (primarily for testing) BUT the toolset for IronRuby is really nonexistent. Why? In Python, meanwhile, there are project templates and full intellisense support. Why isn't there something like that for IronRuby? The only thing I've been able to find on it is "there are no plans for VS integration at this time." Why???

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• C#, UTF-8 and encoding characters

  - by AspNyc

  This is a shot-in-the-dark, and I apologize in advance if this question sounds like the ramblings of a madman. As part of an integration with a third party, I need to UTF8-encode some string info using C# so I can send it to the target server via multipart form. The problem is that they are rejecting some of my submissions, probably because I'm not encoding their contents correctly. Right now, I'm trying to figure out how a dash or hyphen -- I can't tell which it is just by looking at it -- is received or interpreted by the target server as ?~@~S (yes, that's a 5-character string and is not your browser glitching out). And unfortunately I don't have a thorough enough understanding of Encoding.UTF8.GetBytes() to know how to use the byte array to begin identifying where the problem might lie. If anybody can provide any tips or advice, I would greatly appreciate it. So far my only friend has been MSDN, and not much of one at that.

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• Looking for a Open Source Library Management software on LAMP preferably Java based.

  - by Sathya

  I am planning to set up a library in my organization. I am looking for a OpenSource solution. While I am continuing my googling on the same, Pls share your experience with any software that you might have come across. The features that I look for is 1. ISBN based. 2. Interfaces for barcode scanning (of ISBN code) 3. Integration with Amazon ( for reviews and ratings) 4. All the usual library facilities (Search, Checkin, checkout, checkout history, user reviews, user ratings etc). 5. Nice to have features - More personalization, booking of titles in advance, recommending books to select users etc.

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• dynamics CRM performance question

  - by tomo

  Hello Dynamics CRM gurus :) My boss asked me to do a research on available CMSes on market because cms we are using currently is rather a mess. For me as a .NET developer it would be great to choose and implement Dynamics CRM because of extensibility and perfect integration with .NET environment and well-known tools. All marketing blahbla sounds great but I'd like to know about common DISADVANTAGES, ISSUES concerning this system. The most important is how it is performing in a company with about 150 concurrent and very active users. I heard that is't really slow comparing to competitors system. Thanks in advance Best regards, Tomasz.

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• How can I disable Hibernate-cache logs?

  - by Mulone

  Hi guys, My Grails app log is being flooded with thousands of messages like: 2010-05-21 18:54:08,261 [30462143@qtp-19943008-38] DEBUG hibernate.EhCache - key: ga_event value: 5220206380077056 This is my log4j config: // log4j configuration log4j = { // Example of changing the log pattern for the default console // appender: // appenders { console name:'stdout',layout:pattern(conversionPattern: '%c{2} %m%n') rollingFile name:'applog', file: logDirectory+"/${appName}_main.log", maxFileSize:'10MB' //'null' name:'stacktrace' file name: 'stacktrace', file: logDirectory+"/${appName}_stacktrace.log", layout: pattern(conversionPattern: '%c{2} %m%n') } error 'org.codehaus.groovy.grails.web.servlet', // controllers 'org.codehaus.groovy.grails.web.pages', // GSP 'org.codehaus.groovy.grails.web.sitemesh', // layouts 'org.codehaus.groovy.grails.web.mapping.filter', // URL mapping 'org.codehaus.groovy.grails.web.mapping', // URL mapping 'org.codehaus.groovy.grails.commons', // core / classloading 'org.codehaus.groovy.grails.plugins', // plugins 'org.codehaus.groovy.grails.orm.hibernate', // hibernate integration 'org.springframework', 'org.hibernate', stacktrace: "stacktrace" warn 'org.mortbay.log' root { debug 'stdout', 'applog' additivity = true } } Any idea on how to disable that log? Cheers

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• Component Creation How-to

  - by Larry Lewis

  I want to create a component that will allow me to install other components, modules, and plugins that i personally use all the time. I will need to be able to change these modules, components, and plugins at anytime but updating the components and etc.. that i use and be able to add more plugins and etc as well. I would like this Component because it takes too much time to install them all individually and on multiple sites as a web designer. I also would need to have some instruction on how to add subtract plugins, modules, components, and etc. I am ok with not a total integration i would like to be able to just host the install file on my server with a link to my server where the file is located. If anyone can help with this please do.

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• Automatic VM deployment

  - by Robert Wilson

  I have an idea to streamline deployments of prototypes within our team using VMs. The idea would be that a developer would be able to deploy their artifacts to Maven, then use a Web interface to pull them onto a development VM for integration/regression testing. They would then be able to to push those artifacts to a reference system, and finally onto production. I'm currently thinking of doing this myself using the vSphere Java API ( http://vijava.sourceforge.net/ ), and some simple scripting to grab artifacts from the Maven repository, configuration from SVN, and then start up a JBoss server. It feels like the kind of thing that may already be available though, has anyone heard of something similar?

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• How do I wait until a console application is idle?

  - by Anthony Mastrean

  I have a console application that starts up, hosts a bunch of services (long-running startup), and then waits for clients to call into it. I have integration tests that start this console application and make "client" calls. How do I wait for the console application to complete its startup before making the client calls? I want to avoid doing Thread.Sleep(int) because that's dependent on the startup time (which may change) and I waste time if the startup is faster. Process.WaitForInputIdle works only on applications with a UI (and I confirmed that it does throw an exception in this case). I'm open to awkward solutions like, have the console application write a temp file when it's ready.

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• What helpful tactics have you employed to keep your development team on-track?

  - by Ed Altorfer

  I realize that this is a subjective question, so I've marked it as a community wiki. I think that it is pretty specific to programming teams, though, so I've posted it here as opposed to somewhere else. I'm leading a small game development team (four people) as a side project. We are a disjoint team, with everyone in different places, but we do have some of the mainstays of an organized team. Source Control Continuous Integration Bug Tracking Document Workspace Regular Meetings Calendar / Schedule How do you keep your small, disjoint teams on-track? I tend to agree with Joel's opinion about when and how to micromanage and know that my team is motivated, but it can be easy to fall off-course when everyone isn't connected in a physical way and doesn't see what other people on the team are doing. Suggestions, feedback, or criticisms are welcome! Edit: I'm managing the team; I'm not looking for automated tools or anything to do my job for me, just ideas for approach or process that might help everyone feel more "connected" and involved.

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• Is javac enough to build an OSGi bundle?

  - by Chatanga

  To produce a bundle from source using a tool such as javac, you need to provide it with a linear classpath. Unfortunately, it won't work in some situations still perfectly legal from an OSGi point of view: dependencies with embedded JAR in them; same packages contained by different dependencies. Since javac doesn't understand OSGi metadata, I won't be able to simply but the dependencies in a classpath. A finer package grained approach seems necessary. How this problem is addressed by people using OSGi in an automated process (continuous integration)? Strangely, there is a lot of resources on the web on how to create bundle JAR (creating the metadata, creating the JAR) provided you have the classes/inner JAR to put inside, but very few things on how actually get theses classes compiled.

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• Providing SaaS functionality to a .NET portal with DLLs

  - by Abdullah Jibaly

  I'm not sure I'm asking the right question here, but I'm looking to provide web based functionality from one ASP.NET application to another remote 'portal-like' application. Is it possible to simply give the portal a DLL? As an example, let's say the SaaS web app has a patient-entry form that I want to be able to use from the portal application. I would like the portal app to be able to set preferences (permissions, color, style, etc), make a function call, and have that capability presented within a certain div or something. Is there any .NET technologies that provide this kind of integration?

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• Node.js for lua?

  - by Shahbaz

  I've been playing around with node.js (nodejs) for the past few day and it is fantastic. As far as I can tell, lua doesn't have a similar integration of libev and libio which let's one avoid almost any blocking calls and interact with the network and the filesystem in an asynchronous manner. I'm slowly porting my java implementation to nodejs, but I'm shocked that luajit is much faster than v8 JavaScript AND uses far less memory! I imagine writing my server in such an environment (very fast and responsive, very low memory usage, very expressive) will improve my project immensly. Being new to lua, I'm just not sure if such a thing exists. I'll appreciate any pointers. Thanks

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• What's the easiest way to use OAuth with ActiveResource?

  - by Barry Hess

  I'm working with some old code and using ActiveResource for a very basic Twitter integration. I'd like to touch the app code as little as possible and just bring OAuth in while still using ActiveResource. Unfortunately I'm finding no easy way to do this. I did run into the oauth-active-resource gem, but it's not exactly documented and it appears to be designed for creating full-on API wrapper libraries. As you can imagine, I'd like to avoid creating a whole Twitter ActiveResource API wrapper for this one legacy change. Any success stories out there? In my instance, it might be quicker to just leave ActiveResource rather than get this working. I'm happy to be proven wrong!

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• PDF text search and split library

  - by Horace Ho

  I am look for a server side PDF library (or command line tool) which can: split a multi-page PDF file into individual PDF files, based on a search result of the PDF file content Examples: Search "Page ???" pattern in text and split the big PDF into 001.pdf, 002,pdf, ... ???.pdf A server program will scan the PDF, look for the search pattern, save the page(s) which match the patten, and save the file in the disk. It will be nice with integration with PHP / Ruby. Command line tool is also acceptable. It will be a server side (linux or win32) batch processing tool. GUI/login is not supported. i18n support will be nice but no required. Thanks~

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• Should I integrate FedEx or UPS into my Rails app?

  - by MikeH

  I'm working on integrating a shipping solution into a Rails ecommerce app. We're only going to use one shipping provider. So the question is: FedEx or UPS? I'm wondering what Rails developers think about the tech side of this question. What do you think about the APIs, ease of integration, focus on developer's needs between FedEx and UPS? I was leaning towards FedEx, but from looking at the developers resources sections of both sites, it seems that UPS might be more developer friendly. Also, I'm going to be using Shopify's active_shipping gem: http://github.com/Shopify/active_shipping And I also based my app off the Spree Ecommerce solution, but I don't think that's particularly relevant to the question. Spree wrote a wrapper to integrate active_shipping with the Spree system. Thanks.

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• Restoring web session in struts2

  - by bozo

  Hi, I have a classical scenario of a website and payment gateway integration, where the request for payment is sent to payment processor, and the payment processor calls back my application once it's done with some parameters I passed to it in the original request. Among parameters, we pass jsessionid and we expect that when the remote server makes request to our server (via customer browser redirect to our server) that the session will be the same as the session used to send the initial payment request. This does not happen, we have two different sessions, although the payment processor includes our original jsessionid in the request to us (https://blabla/?jsessionid=something). How should we go about recreating a session in struts2, in the only thing that connects the 'OLD' and 'NEW' session is the jsessionid in the request URL? Any ideas? Is this possible at all or is the 'OLD' session data deleted when the user moves away from our server onto a completely different domain of a payment processor with their data-entry form? This would explain our innability to recreate the session. Thanks a lot for your replies.

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• Reusing MSBuild targets for different build types

  - by Zbigniew Kawalec

  I have got a problem with reusing the same MSBuild targets for different build types on TFS. Let me describe the situation. I have got two build types (CI - for continuous integration and RC - for release candidate). So I have got two build types defined in the TFS. Their *.proj files are under: - $/Repository/TeamBuildTypes/CI - $/Repository/TeamBuildTypes/RC Also, I have got some common targets, like: ChnageVersion.taget, Deploy.tagert, etc. and I import them in the main *.proj file. Unfortunaltely, I have to keep two copies of them, one in each build type. I've been struggling to have only one copy of the common targets somewhere, but I give up. I can't do it, because when the build starts on a build agent, the build files are downloaded from: $/Repository/TeamBuildTypes/CI only. How can I make the build agent / TFS / whatever to download also $/Repository/TeamBuildTypes/Common for example?

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