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  • How vibrations might effect Kinect depth measurements

    - by dreza
    I'm currently doing some research into development with the Microsoft Kinect product. My project manager has come up with a potential design for mounting the camera to do the capturing. However the solution means that the camera might be subject to vibrations as the platform it is on is directly connected to where the subjects will be moving. It was my thought that vibrations would effect the quality of the results, however I could not come up with a viable explanation as to why, other than it's the same as if you held a camera in your hand and your hand was shaking vs using a tripod. Do vibrations effect the depth measurements on a Kinect and if so how can I explain this in simple terms to my PM to help come up with a better design to attach the sensor to?

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  • Pro Google App Engine developer interview questions (with answers)

    - by WooYek
    What are good questions to determine if applicant is pro Google App Engine developer? Questions that can distinguish that someone is not an ad-hoc GAE programmer, but is really doing professional GAE development, with all areas concerned (eg. performance, transactions, async/batch data processing). Please provide answers, so an intermediate developer (such as myself :) can interview someone more experienced. Please avoid open questions. If possible please provide a link to a documentation part that's covering a topic in question. Please keep one interview question/answer per response for better reading experience and easier interview preparation.

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  • Do you know what is a DevOps Project?

    - by Gopinath
    Yesterday I wrote about OpenStack project, an open source cloud computing stack that lets you build Cloud Computing environments. While reading more on this topic I stumbled about a new type of projects called DevOps projects.  OpenStack is all set to become the first DevOps project, reports Forbes …the way OpenStack is applying the open source model to creating cloud infrastructure, the open source model is on the verge of being extended so that the collaboration and design process will include software, hardware, and networking in the data center as well as operational processes. In modern development, the idea of designing software, data center, and operations using one integrated team is called DevOps.

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  • Manual bootstrapping with Juju on VPS

    - by aaronfc
    I recently bought a VPS (OpenVZ) with Ubuntu 13.04. Lately I've read about Juju and I thought it would match my needs on my brand new VPS as I want to easily configure Hadoop, Wordpress, Graphite and other services. I tried the juju-local approach but I got an error while installing it: http://paste.ubuntu.com/6373143/ So I got to #juju IRC channel and I was told to use "Manual bootstrapping" and create a question here in order to get more info as it seems is something under development. Could anybody help me getting Juju to work on my VPS? Did any had the same problem? Thanks in advance! EDIT: After some more research (and after reading my own question) I think I should clarify a little more the situation. What I want is a manual provider to allow me manage my VPS from Juju. I know there might be a work in progress and I would appreciate any info regarding it's state and any possible solution :)

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  • Using Sql Server Change Data Capture with a frequently changing schema

    - by Pete
    We are looking into enabling Sql Server Change Data Capture for a new subsystem we are building. It's not really because we need it, but we are being pushed for having a complete history traceability, and CDC would nicely solve this requirement with minimum effort on our parts. We are following an agile development process, which in this case means that we frequently make changes to the database schema, e.g. adding new columns, moving data to other columns, etc. We did a small test where we created a table, enabled CDC for that table, and then added a new column to the table. Changes to the new column is not registered in the CDC table. Is there a mechanism to update the CDC table to the new schema, and are there any best practices to how you deal with captured data when migrating the database schema?

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  • Last chance to register to the Oracle FY14 Global Partner Kickoff (June 25, 2013)

    - by Julien Haye
    This is your last chance to register to the Oracle FY14 Global Partner Kickoff and to join us live/online tomorrow June 25, 2013 at 9:00am PDT / 5:00 pm GMT / 6:00pm CET! What to Expect: Watch Oracle Executives, including Oracle President, Mark Hurd, John Fowler, Thomas Kurian, and more outline the product strategy and direction for the company Learn about the different ways to accelerate sales and make money with Oracle through our full stack offering Participate in the conversation during the webcast via twitter using either @oraclepartners or #opn. Oracle Partner Kickoff Agenda Welcome & Executive Address Oracle Executives on Engineered Systems Selling to the C-Level Executive Innovation in Industries Partner Sales Call to Action Partner Pulse: Post Show Partner Discussion Watch it live at: OPN homepage OPN Facebook page For more information, email [email protected]. We look forward to you participation. Oracle EMEA PartnerNetwork Oracle FY14 Partner Kickoff Watch it live at: OPN homepage OPN Facebook page Tuesday, 25th June, 2013 9:00 am PT FY14 Partner Kickoff Speakers Mark Hurd President, Oracle Thomas Kurian EVP, Product Development, Oracle John Fowler EVP, Systems, Oracle

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  • APIs that deal with logins

    - by Brandon Still
    I have been asked to make a mobile app for a friends website. The website is a Multi level marketing site that sells products and franchises. A client logs in in to the website and can view his or her dashboard ( user can view team members, business volume, commissions, invoices, etc.) The app is supposed to bring the dashboard to user's mobile devices (w/ some added features). The company does not have any APIs that deal with interaction or authentication, and I am new to the whole secure login side of app development. My questions is this, how do I let the users gain access to their information via my app from the secure website when there is no API?

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  • Hologic Ensures Regulatory Compliance & UDI with Agile PLM for the Medical Device Industry

    - by Ulf Köster
    A new success story featuring Hologic, Inc., is now available. Hologic is known for developing innovative medical technology—like the world’s first 3-D mammogram—that can quickly diagnose women’s health issues and save lives in the process.The success story features Hologic’s use of Oracle Agile PLM to ensure regulatory compliance in every phase of product development, including managing all product-related data, design history files, and device master records. Hologic is using Oracle Agile PLM as the foundation for Unique Device Identification (UDI). Thanks to Agile PLM, Hologic can easily interface with the FDA’s database (GUDID) to streamline compliance, without devoting additional time and resources towards a new solution. Hologic is one of the first 2 companies granted production accounts by the FDA for GUDID submittal, and is the first company to submit official data. This an important milestone for Oracle Agile PLM, our partner Inspirage and the Medical Device industry as a whole. Read the full story here!

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  • Windows Phone 7 dev: C# or silverlight for a simple app?

    - by OneWorld
    I'm about to hire a programmer to develop Windows Phone 7 apps. The current app that shall be developed is quite simple. The app will download content from a Web-API. There are two lists to select content. There is a single item content page. Users can rate the content and upload photos. The screens will be produced by our artist. I am pretty sure that most of the available programmers haven't touched WP7 development yet. Now the questions are: What technology is suitable for this kind of app? What technology requires less research, learning and production time? Do you already have experience of limitations of silverlight compared to C#? (I am also thinking of future projects) My guess is that silverlight programmers are more experienced in UI programming than C# coders. Do you feel the same way?

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  • New Oracle Information Rights Management release (11.1.1.3)

    - by Simon Thorpe
    Just released is the latest version of the market leading document security technology from Oracle. Oracle IRM 11g is the result of over 12 years of development and innovation to allow customers to provide persistent security to their most confidential documents and emails. This latest release continues our refinement of the technology and features the following; Continued improvements to the web based Oracle IRM Management Website New features in the out of the box classification model New Java APIs improving application integration support Support for DB2 as the IRM database. Over the coming months we will see more releases from this technology as we improve format support, platform support and continue the strategy to for Oracle IRM as the most secure, scalable and usable document security solution in the market. Want to learn more about Oracle IRM? View our video presentation and demonstration or try using it for your self via our simple online self service demo. Keep up to date on Oracle via this blog or on our Twitter, YouTube and Facebook pages.

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  • BizTalk 2009 - Project Creation Failed

    - by StuartBrierley
    A couple of weeks ago I had some issue with my BizTalk Server 2009 development environment  which resulted in a reinstall of Visual Studio 2008 and the Visual Studio 2008 Service Pack 1. Following this reinstall I began to have problems when trying to create  BizTalk 2009 projects: Error Details: “Create BizTalk Project …. Project Creation Failed” It turns out that this is a known issue with BizTalk Server 2009 and Visual Studio 2008, whereby the installation of the Visual Studio Service Pack 1 can cause corruption to the BizTalk installation preventing the creation of any new projects. To resolve this issue go to control panel > add or remove programs > Microsoft BizTalk Server 2009 and select Change or Remove.  When the window opens choose “Repair”.  Upon completion you should once again be able to create BizTalk projects.

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  • Announcing the Winnipeg Visual Studio.NET 2010 Launch Event!

    - by D'Arcy Lussier
    That’s right Winnipeg, we’re having our own Visual Studio.NET 2010 launch event on May 11th brought to you by your local Winnipeg .NET User Group, Anvil Digital, Imaginet, Microsoft, and Protegra! We’re excited to bring a day of sessions highlighting developer productivity, application lifecycle management, and web development using these new technologies! We’re also thrilled to have this event at the IMAX Theatre at Portage Place! The day looks like this: The event is FREE and we’re providing a continental breakfast for attendees. To register for the event, visit our registration site here. If you have any questions, please contact me through comments on this post or via email through my blog. D’Arcy

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  • Server 11.04 Bind9 Failure

    - by Gordon McIntosh
    After 3 weeks of trying to diagnose a failure of bind9, to start I have to admit I need assistance. Initially it was running correctly and when I made a modification to a bind file and re-run it an error msg came back rndc: 127.0.0.1#953 bind9 start fail It also fails to start on any other bind9 upgrade or required pkg. grep on mysql returns nothing now even if it is running, and dig on 127 only works when I have my phone connected as a modem. I don't have any more diagnostics that I know of, so some help would be appreciated as development has stopped.

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  • Easiest solution to setup payments for a conference registration page?

    - by Keith G
    I've got a fair amount of website development experience, but I've been asked to setup a conference registration page in short order. However, I have absolutely zero experience with shopping carts, payment processing, etc. What is the absolutely quickest and easiest way to get this thing up and running? Here are my criteria: Site is currently hosted on Godaddy.com and someone has suggested using their QuickCart We cannot use any option that visits the paypal.com domain because it has been blocked my a large segment of the potential audience (on a military base). Need a $0 option for speakers Cancellations can be accepted, so maybe something that could handle that would be a bonus There is no "product" other than a confirmation that they have registered for the conference.

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  • Training a 'replacement', how to enforce standards?

    - by Mohgeroth
    Not sure that this is the right stack exchange site to ask this of, but here goes... Scope I work for a small company that employs a few hundred people. The development team for the company is small and works out of visual foxpro. A specific department in the company hired me in as a 'lone gunman' to fix and enhance a pre-existing invoicing system. I've successfully taken an Access application that suffered from a lot of risks and limitations and converted it into a C# application driven off of a SQL server backend. I have recently obtained my undergraduate and am no expert by any means. To help make up for that I've felt that earning microsoft certifications will force me to understand more about .net and how it functions. So, after giving my notice with 9 months in advance, 3 months ago a replacement finally showed up. Their role is to learn what I have been designing to an attempt to support the applications designed in C#. The Replacement Fresh out of college with no real-world work experience, the first instinct for anything involving data was and still is listboxes... any time data is mentioned the list box is the control of choice for the replacement. This has gotten to the point, no matter how many times I discuss other controls, where I've seen 5 listboxes on a single form. Classroom experience was almost all C++ console development. So, an example of where I have concern is in a winforms application: Users need to key Reasons into a table to select from later. Given that I know that a strongly typed data set exists, I can just drag the data source from the toolbox and it would create all of this for me. I realize this is a simple example but using databinding is the key. For the past few months now we have been talking about the strongly typed dataset, how to use it and where it interacts with other controls. Data sets, how they work in relation to binding sources, adapters and data grid views. After handing this project off I expected questions about how to implement these since for me this is the way to do it. What happened next simply floors me: An instance of an adapter from the strongly typed dataset was created in the activate event of the form, a table was created and filled with data. Then, a loop was made to manually add rows to a listbox from this table. Finally, a variable was kept to do lookups to figure out what ID the record was for updates if required. How do they modify records you ask? That was my first question too. You won't believe how simple it is, all you do it double click and they type into a pop-up prompt the new value to change it to. As a data entry operator, all the modal popups would drive me absolutely insane. The final solution exceeds 100 lines of code that must be maintained. So my concern is that none of this is sinking in... the department is only allowed 20 hours a week of their time. Up until last week, we've only been given 4-5 hours a week if I'm lucky. The past week or so, I've been lucky to get 10. Question WHAT DO I DO?! I have 4 weeks left until I leave and they fully 'support' this application. I love this job and the opportunity it has given me but it's time for me to spread my wings and find something new. I am in no way, shape or form convinced that they are ready to take over. I do feel that the replacement has the technical ability to 'figure it out' but instead of learning they just write code to do all of this stuff manually. If the replacement wants to code differently in the end, as long as it works I'm fine with that as horrifiying at it looks. However to support what I have designed they MUST to understand how it works and how I have used controls and the framework to make 'magic' happen. This project has about 40 forms, a database with over 30 some odd tables, triggers and stored procedures. It relates labor to invoices to contracts to projections... it's not as simple as it was three years ago when I began this project and the department is now in a position where they cannot survive without it. How in the world can I accomplish any of the following?: Enforce standards or understanding in constent design when the department manager keeps telling them they can do it however they want to Find a way to engage the replacement in active learning of the framework and system design that support must be given for Gracefully inform sr. management that 5-9 hours a week is simply not enough time to learn about the department, pre-existing processes, applications that need to be supported AND determine where potential enhancements to the system go... Yes I know this is a wall of text, thanks for reading through me but I simply don't know what I should be doing. For me, this job is a monster of a reference and things would look extremely bad if I left and things fell apart. How do I handle this?

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  • How can test users access an unpublished iOS app?

    - by David
    I am considering outsourcing the development of an iOS app to various independent developers. I will have have various testers of the app. We all work for separate companies. Some of these testers will be customers, who I would like feedback from. As there are multiple developers involved I expect there to be a new release on a daily basis. How can this be done? Would each of the testers need to buy some sort of license to avoid having to go through the app approval process? Is there any smooth way to do this so that it will not be a hassle for our friendly customers, who are willing to test our app?

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  • Brand New Oracle WebLogic 12c Online Launch Event, December 1, 10am PT

    - by B Shashikumar
    The brand new WebLogic 12c will be launched on December 1st with a 2-hour global webcast highlighting salient capabilities and benefits and featuring Hasan Rizvi, SVP, Oracle Fusion Middleware and Java. For the more techie types, the 2nd hour will be a developer focused discussion including multiple demos and live Q&A. Please join us, with your fellow IT managers, architects, and developers, to hear how the new release of Oracle WebLogic Server is: Designed to help you seamlessly move into the public or private cloud with an open, standards-based platform Built to drive higher value for your current infrastructure and significantly reduce development time and cost Enhanced with transformational platforms and technologies such as Java EE 6, Oracle’s Active GridLink for RAC, Oracle Traffic Director, and Oracle Virtual Assembly Builder   

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  • JAX-RS 2.0 Early Draft - Third Edition Available

    - by arungupta
    JAX-RS 2.0 Early Draft Third Edition is now available. This updated draft include new samples explaining the features and clarifications in content-negotiation, discovery of providers, client-side API, filters and entity interceptors and several other sections. Provide feedback to users@jax-rs-spec. Jersey 2.0, the Reference Implementation of JAX-RS 2.0, released their fourth milestone a few days ago as well. Several features have already been implemented there. Note, this is an early development preview and several parts of the API and implementation are still evolving. Feel like trying it out? Simply go to Maven Central (of course none of this is production quality at this point). The latest JAX-RS Javadocs and Jersey 2.0 API docs are good starting points to explore. And provide them feedback at [email protected] or @gf_jersey.

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  • Research about best way to present multiple products on one page

    - by Michael Dibbets
    I am updating a webshop page. This is a fairly simple page that displays all the products that we currently sell. The page in development is visible here ( https://www.ortho.nl/wwebshop ). Now I was curious, and since I can't find anything via google etc..(probaly don't know the right keywords) what the best way is to present multiple products on one page. Should you use borders? Should you use colours? Which colours? what kind of tweaks will direct the customers attention to the right place? Does anyone know from experience or via research(and could you point me in the right direction to find that research) what the best way to present products is so conversion/clickthrough is optimised?

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  • High Usage of RAM by wxPython's GUI and need some advice to reduce it

    - by user67024
    I've recently developed a GUI in wxPython for windows platform. It contains a five tabs, 4 of them are just richTextCtrl boxes and the other one has controls for uploading files, buttons, textctrls, a slider etc.. As I was new to GUI development in Python, I used wxFormBuilder to generate some of the code using a good amount of sizers. So, now the problem is that the GUI starts off with a initial memory of around 40MB which is too much for such a simple application (Or so I think) . Also, when the functions handling the functions use huge lists as the program is for debugging large data logs and identifying the problems in'em implying that I can't afford memory for GUI. So, how can I reduce that start working memory size? Is it a general issue in wxPython? And currently trying use profilers but not sure if it's going to help.

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  • Question about Web Programming certificate program

    - by user134226
    I am currently attending St. John's University with a major of Computer Science. I am entering my senior year next year and stumbled upon this certificate program for web development from Hunter College: http://www.hunter.cuny.edu/ce/certificates/computer/web-programming So the question is, would it be beneficial for me to complete this program or to just attend a few elective courses in the summer at a school such as NYU? Would this certificate be good for my resume? The only language I have learned so far is Java and classes I have taken in the field so far are: Programming Fundamentals 1 and 2, Data Security and Cryptography, Networking: Data Communications and Introduction to Data Structures Hope some of you can help me out, thanks

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  • How to make browser offer "remember password"

    - by Alois Mahdal
    What properties login form needs to have to trigger "remember password" for all (or most) browsers? Background: For years I have been using Opera, and the rule has been that almost anything that looks like login form triggers this feature. Now I'm exploring other browsers, and surprisingly find that one of login forms I visit most often, Roundcube login page, does not trigger this feature neither in Chromium nor Firefox (tried various versions and page setups of RC). Since it's on my VPS, I could patch it up and eventually even send that to RC development team, but I have the unnerving feeling that this must have been solved over and over, and it's just me being blind or something. So again: is there any consensus between browser developer as to when this featue should be triggered? Is there a best practice for webmasters to tell the browser "this is the login page"? Or are all browsers doing their own heuristics?

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  • Do you use your personal laptop for work?

    - by davekaro
    We're trying to get our company to let us use our own personal laptop for client work. We've agreed that any code/data will be encrypted using something like TrueCrypt, in case the laptop is stolen or lost. However, the company is still skeptical and not sure they want to allow us to use our personal machines for development. They would rather buy us laptops... but we want to use MacBook Pros and they don't want to pay for them. Even if they did buy us laptops, we would stil have the issue of needing to encrypt the code/data in case of theft/loss. Do you use your own laptop for work? What are the arguments for/against this?

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  • Good Literature for "Object oriented programming in C"

    - by Dipan Mehta
    This is not a debate question about whether or not C is a good candidate for Object oriented programming or not. Quite often C is the primary platform where the development is happening. I have seen, and hopefully learnt through crawling many open source and commercial projects - that while the language inherently doesn't stop you if you create "non-object" code. However, you can still think in the "Object" way and reasonably write code that captures this designs thinking. For those who has done this, OO way is still the best way to write code even when you are programming in C. While, I have learnt most of it through the hard way, are there any deep literature that can help educate the relatively young guys about how to do OO programming in C?

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  • What's the best version control/QA workflow for a legacy system?

    - by John Cromartie
    I am struggling to find a good balance with our development and testing process. We use Git right now, and I am convinced that ReinH's Git Workflow For Agile Teams is not just great for capital-A Agile, but for pretty much any team on DVCS. That's what I've tried to implement but it's just not catching. We have a large legacy system with a complex environment, hundreds of outstanding and undiscovered defects, and no real good way to set up a test environment with realistic data. It's also hard to release updates without disrupting users. Most of all, it's hard to do thorough QA with this process... and we need thorough testing with this legacy system. I feel like we can't really pull off anything as slick as the Git workflow outlined in the link. What's the way to do it?

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