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  • Unity 3d (Using Blender) - anime/manga/cel-shaded style characters

    - by David Archer
    Making a game using Blender for 3D models and Unity for the game engine. Just wondering if anyone knows any links to pages that give a tutorial on Japanese anime style 3D modelling, texturing and shading through blender. I'm actually looking to create a cel-shaded look eventually (read: Okami/Jet Set Radio style) and I'm kind of stuck with the design stuff. I'm not a Blender expert by any means, and still kind of new to the design side of things (I'm a programmer by trade), so please don't vote me down too hard. I've tried googling, but there doesn't seem to be much in the way of what I'm after. The only thing I've found really is a plugin for blender called freestyle, or using the ToonShader shading tool. If there are any good tutorials or anything, I'm really happy to sit through them - just want to learn :) Thanks for any help :)

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  • Web services, Java EE, Spring, DB integration project ideas - maybe data mining related?

    - by saral jain
    I am a graduate Computer Science student (Data Mining and Machine Learning) and have good exposure to core Java (3 years). I have read up on a bunch of stuff on the following topics: Design patterns, Java EE Web services (SOAP and REST), Spring, and Hibernate Java Concurrency - advanced features like Task and Executors. I would now like to do a project combining this stuff -- over my free time of course -- to get a better understanding of these things and to kind of make an end to end software (to learn the best design principles etc + SVN, maven). Any good project ideas would be really appreciated. I just want to build this stuff to learn, so I don't really mind re-inventing the wheel. Also, anything related to data mining would be an added bonus as it fits with my research but is absolutely not necessary since this project is more to learn to do large scale software development.

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  • Object Oriented programming on 8-bit MCU Case Study

    - by Calvin Grier
    I see that there's a lot of questions related to OO Programming here. I'm actually trying to find a specific resource related to embedded OO approaches for an 8 bit MCU. Several years back (maybe 6) I was looking for material related to Object Oriented programming for resource constrained 8051 microprocessors. I found an article/website with a case history of a design group that used a very small RAM part, and implemented many Object based constructs during their C design and development. I believe it was an 8051. The project was a success, and managed to stay inside the very small ROM/RAM they had available. I'm attempting to find it again, but Google can't locate it. The article was well written, and recommended a "mixed" approach using C methods for inheritance and encapsulation - if I recall correctly. Can anyone help me locate this article?

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  • Should integer divide by zero halt execution?

    - by Pyrolistical
    I know that modern languages handle integer divide by zero as an error just like the hardware does, but what if we could design a whole new language? Ignoring existing hardware, what should a programming language does when an integer divide by zero occurs? Should it return a NaN of type integer? Or should it mirror IEEE 754 float and return +/- Infinity? Or is the existing design choice correct, and an error should be thrown? Is there a language that handles integer divide by zero nicely? EDIT When I said ignore existing hardware, I mean don't assume integer is represented as 32 bits, it can be represented in anyway you can to imagine.

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  • How do you balance documentation requirements with Agile developments

    - by Jeremy
    In our development group there is currently discussions around agile and waterfal methodology. No-one has any practical experience with agile, but we are doing some reading. The agile manifesto lists 4 values: Individuals and interactions over processes and tools Working software over comprehensive documentation Customer collaboration over contract negotiation Responding to change over following a plan We are an internal development group developing applications for the consumption of other units in our enterprise. A team of 10 developers builds and releases multiple projects simultanously, typically with 1 - maybe 2 (rarely) developer on each project. It seems to be that from a supportability perspective the organization needs to put some real value on documentation - as without it, there are serious risks with resourcing changes. With agile favouring interactions, and software deliverables over processes and documentation, how do you balance that with the requirements of supportable systems and maintaining knowledge and understanding of how those systems work? With a waterfall approach which favours documentation (requirements before design, design specs before construction) it is easy to build a process that meets some of the organizational requirements - how do we do this with an agile approach?

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  • Creating the Business Card Request InfoPath Form

    - by JKenderdine
    Business Card Request Demo Files Back in January I spoke at SharePoint Saturday Virginia Beach about InfoPath forms and Web Part deployment.  Below is some of the information and details regarding the form I created for the session.  There are many blogs and Microsoft articles on how to create a basic form so I won’t repeat that information here.   This blog will just explain a few of the options I chose when creating the solutions for SPS Virginia Beach.  The above link contains the zipped package files of the two InfoPath forms(no code solution and coded solution), the list template for the Location list I used, and the PowerPoint deck.  If you plan to use these templates, you will need to update the forms to work within your own environments (change data connections, code links, etc.).  Also, you must have the SharePoint Enterprise version, with InfoPath Services configured in order to use the Web Browser enabled forms. So what are the requirements for this template? Business Card Request Form Template Design Plan: Gather user information and requirements for card Pull in as much user information as possible. Use data from the user profile web services as a data source Show and hide fields as necessary for requirements Create multiple views – one for those submitting the form and Another view for the executive assistants placing the orders. Browser based form integrated into SharePoint team site Submitted directly to form library The base form was created using the blank template.  The table and rows were added using Insert tab and selecting Custom Table.  The use of tables is a great way to make sure everything lines up.  You do have to split the tables from time to time.  If you’ve ever split cells and then tried to re-align one to find that you impacted the others, you know why.  Here is what the base form looks like in InfoPath.   Show and hide fields as necessary for requirements You will notice I also used Sections within the form.  These show or hide depending on options selected or whether or not fields are blank.  This is a great way to prevent your users from feeling overwhelmed with a large form (this one wouldn’t apply).  Although not used in this one, you can also use various views with a tab interface.  I’ll show that in another post. Gather user information and requirements for card Pull in as much user information as possible. Use data from the user profile web services as a data source Utilizing rules you can load data when the form initiates (Data tab, Form Load).  Anything you can automate is always appreciated by the user as that is data they don’t have to enter.  For example, loading their user id or other user information on load: Always keep in mind though how much data you load and the method for loading that data (through rules, code, etc.).  They have an impact on form performance.  The form will take longer to load if you bring in a ton of data from external sources.  Laura Rogers has a great blog post on using the User Information List to load user information.   If the user has logged into SharePoint, then this can be used quite effectively and without a huge performance hit.   What I have found is that using the User Profile service via code behind or the Web Service “GetUserProfileByName” (as above) can take more time to load the user data.  Just food for thought. You must add the data connection in order for the above rules to work.  You can connect to the data connection through the Data tab, Data Connections or select Manage Data Connections link which appears under the main data source.  The data connections can be SharePoint lists or libraries, SQL data tables, XML files, etc.  Create multiple views – one for those submitting the form and Another view for the executive assistants placing the orders. You can also create multiple views for the users to enhance their experience.  Once they’ve entered the information and submitted their request for business cards, they don’t really need to see the main data input screen any more.  They just need to view what they entered. From the Page Design tab, select New View and give the view a name.  To review the existing views, click the down arrow under View: The ReviewView shows just what the user needs and nothing more: Once you have everything configured, the form should be tested within a Test SharePoint environment before final deployment to production.  This validates you don’t have any rules or code that could impact the server negatively. Submitted directly to form library   You will need to know the form library that you will be submitting to when publishing the template.  Configure the Submit data connection to connect to this library.  There is already one configured in the sample,  but it will need to be updated to your environment prior to publishing. The Design template is different from the Published template.  While both have the .XSN extension, the published template contains all the “package” information for the form.  The published form is what is loaded into Central Admin, not the design template. Browser based form integrated into SharePoint team site In Central Admin, under General Settings, select Manage Form Templates.  Upload the published form template and Activate it to a site collection. Now it is available as a content type to select in the form library.  Some documentation on publishing form templates:  Technet – Manage administrator approved form templates And that’s all our base requirements.  Hope this helps to give a good start.

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  • JavaOne 2012 Sunday Strategy Keynote

    - by Janice J. Heiss
    At the Sunday Strategy Keynote, held at the Masonic Auditorium, Hasan Rizvi, EVP, Middleware and Java Development, stated that the theme for this year's JavaOne is: “Make the future Java”-- meaning that Java continues in its role as the most popular, complete, productive, secure, and innovative development platform. But it also means, he qualified, the process by which we make the future Java -- an open, transparent, collaborative, and community-driven evolution. "Many of you have bet your businesses and your careers on Java, and we have bet our business on Java," he said.Rizvi detailed the three factors they consider critical to the success of Java--technology innovation, community participation, and Oracle's leadership/stewardship. He offered a scorecard in these three realms over the past year--with OS X and Linux ARM support on Java SE, open sourcing of JavaFX by the end of the year, the release of Java Embedded Suite 7.0 middleware platform, and multiple releases on the Java EE side. The JCP process continues, with new JSR activity, and JUGs show a 25% increase in participation since last year. Oracle, meanwhile, continues its commitment to both technology and community development/outreach--with four regional JavaOne conferences last year in various part of the world, as well as the release of Java Magazine, with over 120,000 current subscribers. Georges Saab, VP Development, Java SE, next reviewed features of Java SE 7--the first major revision to the platform under Oracle's stewardship, which has included near-monthly update releases offering hundreds of fixes, performance enhancements, and new features. Saab indicated that developers, ISVs, and hosting providers have all been rapid adopters of the platform. He also noted that Oracle's entire Fusion middleware stack is supported on SE 7. The supported platforms for SE 7 has also increased--from Windows, Linux, and Solaris, to OS X, Linux ARM, and the emerging ARM micro-server market. "In the last year, we've added as many new platforms for Java, as were added in the previous decade," said Saab.Saab also explored the upcoming JDK 8 release--including Project Lambda, Project Nashorn (a modern implementation of JavaScript running on the JVM), and others. He noted that Nashorn functionality had already been used internally in NetBeans 7.3, and announced that they were planning to contribute the implementation to OpenJDK. Nandini Ramani, VP Development, Java Client, ME and Card, discussed the latest news pertaining to JavaFX 2.0--releases on Windows, OS X, and Linux, release of the FX Scene Builder tool, the JavaFX WebView component in NetBeans 7.3, and an OpenJFX project in OpenJDK. Nandini announced, as of Sunday, the availability for download of JavaFX on Linux ARM (developer preview), as well as Scene Builder on Linux. She noted that for next year's JDK 8 release, JavaFX will offer 3D, as well as third-party component integration. Avinder Brar, Senior Software Engineer, Navis, and Dierk König, Canoo Fellow, next took the stage and demonstrated all that JavaFX offers, with a feature-rich, animation-rich, real-time cargo management application that employs Canoo's just open-sourced Dolphin technology.Saab also explored Java SE 9 and beyond--Jigsaw modularity, Penrose Project for interoperability with OSGi, improved multi-tenancy for Java in the cloud, and Project Sumatra. Phil Rogers, HSA Foundation President and AMD Corporate Fellow, explored heterogeneous computing platforms that combine the CPU and the parallel processor of the GPU into a single piece of silicon and shared memory—a hardware technology driven by such advanced functionalities as HD video, face recognition, and cloud workloads. Project Sumatra is an OpenJDK project targeted at bringing Java to such heterogeneous platforms--with hardware and software experts working together to modify the JVM for these advanced applications and platforms.Ramani next discussed the latest with Java in the embedded space--"the Internet of things" and M2M--declaring this to be "the next IT revolution," with Java as the ideal technology for the ecosystem. Last week, Oracle released Java ME Embedded 3.2 (for micro-contollers and low-power devices), and Java Embedded Suite 7.0 (a middleware stack based on Java SE 7). Axel Hansmann, VP Strategy and Marketing, Cinterion, explored his company's use of Java in M2M, and their new release of EHS5, the world's smallest 3G-capable M2M module, running Java ME Embedded. Hansmaan explained that Java offers them the ability to create a "simple to use, scalable, coherent, end-to-end layer" for such diverse edge devices.Marc Brule, Chief Financial Office, Royal Canadian Mint, also explored the fascinating use-case of JavaCard in his country's MintChip e-cash technology--deployable on smartphones, USB device, computer, tablet, or cloud. In parting, Ramani encouraged developers to download the latest releases of Java Embedded, and try them out.Cameron Purdy, VP, Fusion Middleware Development and Java EE, summarized the latest developments and announcements in the Enterprise space--greater developer productivity in Java EE6 (with more on the way in EE 7), portability between platforms, vendors, and even cloud-to-cloud portability. The earliest version of the Java EE 7 SDK is now available for download--in GlassFish 4--with WebSocket support, better JSON support, and more. The final release is scheduled for April of 2013. Nicole Otto, Senior Director, Consumer Digital Technology, Nike, explored her company's Java technology driven enterprise ecosystem for all things sports, including the NikeFuel accelerometer wrist band. Looking beyond Java EE 7, Purdy mentioned NoSQL database functionality for EE 8, the concurrency utilities (possibly in EE 7), some of the Avatar projects in EE 7, some in EE 8, multi-tenancy for the cloud, supporting SaaS applications, and more.Rizvi ended by introducing Dr. Robert Ballard, oceanographer and National Geographic Explorer in Residence--part of Oracle's philanthropic relationship with the National Geographic Society to fund K-12 education around ocean science and conservation. Ballard is best known for having discovered the wreckage of the Titanic. He offered a fascinating video and overview of the cutting edge technology used in such deep-sea explorations, noting that in his early days, high-bandwidth exploration meant that you’d go down in a submarine and "stick your face up against the window." Now, it's a remotely operated, technology telepresence--"I think of my Hercules vehicle as my equivalent of a Na'vi. When I go beneath the sea, I actually send my spirit." Using high bandwidth satellite links, such amazing explorations can now occur via smartphone, laptop, or whatever platform. Ballard’s team regularly offers live feeds and programming out to schools and the world, spanning 188 countries--with embedding educators as part of the expeditions. It's technology at its finest, inspiring the next-generation of scientists and explorers!

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  • Collaboration between client, web designer, and web developer

    - by Alex
    I am primarily a Web Developer (back end programming) - but intend to offer a complete service to my clients, from concept, to brand design, photoshop mock-ups and everything else in between. I'm aware that it's a good idea to outsource this design aspect of the project to someone that I trust. My question is more about the process: I imagine that in order for the designer to really grasp what the client wants to create, they would need some sort of interaction. Therefore, does anyone know if it is common to bring both parties into a 3 way discussion? Or is it more common to get all of the info from the client, and then pass it onto the designer, and act as a back and forth middleman? Afterall, I am the designer's client. Any insight into this would be great

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  • Utility Objects Series Introduction (but mostly a bit of an update)

    - by drsql
    So, I have been away from blogging about technical stuff for a  long time,  (I haven’t blogged at all since my resolutions blog , and even my Simple Talk “commentary” blog hasn’t had an entry since December!)  Most of this has been due to finishing up my database design book , which I will blog about at least one more time after it ships next month, but now it is time to get back to it certainly in a bit more regularly. For SQL Rally, I have two sessions, a precon on Database Design,...(read more)

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  • Microsoft`s FUSE Labs Unveils Spindex Social Networking Tool

    Microsoft s FUSE Labs has been busy lately with researching and creating new products. One such product was introduced this week at San Francisco s Web 2. Expo. The product is Spindex a social networking tool that allows users to simplify their social networking lives. At the moment Spindex is in its infancy with its preview being limited to those attending the Web 2. Expo. What has been released so far however is promising and should give social networking fans something to look forward to.... Transportation Design - AutoCAD Civil 3D Design Road Projects 75% Faster with Automatic Documentation Updates!

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  • Clickworthy tweets, the sequel&hellip;

    - by Chris Williams
    Twitter moves fast, and if you don’t stay on top of it, you can miss a lot. I don’t follow a ton of people, but I combine it with topic searches. Here are a few things I’ve found that are worth your time and attention, especially if you’re into video games… development or playing: The 15 Greatest Sci-Fi/Horror Games for the Commodore 64 - http://moe.vg/bovATG  (via @jlist)  Practical Tactics for Dealing with Haters! - http://www.fourhourworkweek.com/blog/2010/05/18/tim-ferriss-scam-practical-tactics-for-dealing-with-haters/ (via @The_Zman) Assassin’s Creed 2 + $10 Video Game Credit + $5 MP3 Credit - $24.99 on Amazon.com – http://amzn.to/bvRI9h (via @Assassin10k) Make Small Good – A design article about not trying to compete with ginormous AAA multimillion dollar titles. - http://www.gamasutra.com/blogs/AlexanderBrandon/20100518/5067/Make_Small_Good.php (via @Kei_tchan) (CW: Excellent article, I do this a lot in my roguelike games!) Purposes for Randomization in Game Design – http://bit.ly/cAH7PG  (via @gamasutra)

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  • Who is likely to need the most this high-quality, measurable, reliable approach to software? [closed]

    - by Marek Cruz
    Software engineering is the application of principles of engineering to software. Trouble is, most of those who like to flatter with the title "software engineer" don't do that. They just keep writing code and patching it until it's stable enough to foist off on users. That's not software engineering. Who is likely to need the most the practice of software engineering? (with all the project planning, requirements engineering, software design, implementation based on the design, testing, deployment, awareness of IEEE standards, metrics, security, dependability, usability, etc.)

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  • What can programmers learn from the construction industry?

    - by Renesis
    When talking with colleagues about software design and development principles, I've noticed one of the most common sources for analogies is the construction industry. We build software and we consider the design and structure to be the architecture. One of the best ways to learn (or teach) are through analyzing analogies - what other analogies can be drawn from construction? (whether already in common use in software or not). Please provide a description, or your personal experience, regarding how the programming concept is similar to the construction concept. [Credit to Programming concepts taken from the arts and humanities for the idea]

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  • Distributed Transaction Framework across webservices

    - by John Petrak
    I am designing a new system that has one central web service and several site web services which are spread across the country and some overseas. It has some data that must be identical on all sites. So my plan is to maintain that data in the central web service and then "sync" the data to sites. This includes inserts, edits and deletes. I see a problem when deleting, if one site has used the record, then I need to undo the delete that has happened on the other servers. This lead me to idea that I need some sort of transaction system that can work across different web servers. Before I design one from scratch, I would like to know if anyone has come across this sort of problem and if there are any frame works or even design patterns that might aid me?

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  • Mouse click events are delayed when moving the cursor in xubuntu 12.04

    - by bobbaluba
    I am trying out live xubuntu on my samsung n150 (netbook, similar to eeepc). So far everything seems perfect, except for this one thing. When I am clicking the mouse while moving the cursour, the click event is delayed. This is extremely annoying when i try to to move windows, because i end up clicking the window behind the window i am trying to move and thereby changing focus. This goes for all applications. I.e selecting text is difficult. There is no lag in the cursor movement, just the click event. The click event is registered with the new mouse position, not the one when the mouse was clicked. I tried searching for the problem, but all the other cases where either kind of different, or had no solution. EDIT: After testing some more, here are some more information. The click doesn't occur until i stop moving the cursor. If I move the cursor smoothly around, the click never gets through. I have ubuntu netbook remix 10.04 installed, and have no problems with the mouse there. EDIT2: Once I connected a usb-mouse, the problem dissappeared. Dragging now works perfectly with both the track pad and the usb mouse. I will update once I have installed xubuntu and figured out if this is a persistant problem. EDIT3: I have installed, and the problem is still there. It dissappears when I have a second mouse connected however, and after I resume from suspend. My solution for now, is just to keep the dongle connected all the time.

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  • There's A Virtual Developer Day in Your Future

    - by OTN ArchBeat
    What are Virtual Developer Days? You really should know this by now. OTN Virtual Developer Days are online events created specifically for developers and architects, with a focus on no-fluff technical presentations, hands-on labs, and expert Q&A to sharpen your technical skills and bring you up to speed on the latest information on Oracle products and practical best practices for their use. The best part about OTN Virtual Developer Days is that you don't have to pack a suitcase or stand in line at an airport waiting for someone pat you down. Instead, you stay where you are, flip open your laptop, and prepare your brain for a massive skills injection. In the next few weeks you'll have two such chances to ramp up your skills. On Tuesday November 5, 2013 Harnessing the Power of Oracle WebLogic and Oracle Coherence will guide you through tooling updates and best practices for developing applications with WebLogic and Coherence as target platforms. This two-track event covers app design and development (Track 1) and building, deploying, and managing applications (Track 2). Each track includes three presentations plus a hands-on lab. [9am-1pm PT / 12pm-4pm ET / 1pm-5pm BRT] Register now This event will also be available in EMEA on December 3, 2013 {9am-1pm GMT / 1pm-5pm GST / 2:30pm-6:30 PM IST] On Tuesday November 19, 2103 Oracle ADF Development: Web, Mobile, and Beyond offers four tracks covering everything from the basics to advance skills for for application development using Oracle ADF and Oracle ADF Mobile. There are three sessions in each track, followed by hands-on labs in which try out what you've learned. [9am-1pm PT / 12pm-4pm ET/ 1pm-5pm BRT] Register now This event will also be available in APAC on Thursday November 21, 2013 [10am-1:30pm IST (India) / 12:30pm-4pm SGT (Singapore) / 3:30pm-7pm AESDT] and in EMEA on Tuesday November 26, 2013 [9am-1pm GMT / 1pm-5pm GST/ 2:30pm-6:30pm IST] Registration for both events is absolutely free. So what are you waiting for?

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  • Session Report - Modern Software Development Anti-Patterns

    - by Janice J. Heiss
    In this standing-room-only session, building upon his 2011 JavaOne Rock Star “Diabolical Developer” session, Martijn Verburg, this time along with Ben Evans, identified and explored common “anti-patterns” – ways of doing things that keep developers from doing their best work. They emphasized the importance of social interaction and team communication, along with identifying certain psychological pitfalls that lead developers astray. Their emphasis was less on technical coding errors and more how to function well and to keep one’s focus on what really matters. They are the authors of the highly regarded The Well-Grounded Java Developer and are both movers and shakers in the London JUG community and on the Java Community Process. The large room was packed as they gave a fast-moving, witty presentation with lots of laughs and personal anecdotes. Below are a few of the anti-patterns they discussed.Anti-Pattern One: Conference-Driven DeliveryThe theme here is the belief that “Real pros hack code and write their slides minutes before their talks.” Their response to this anti-pattern is an expression popular in the military – PPPPPP, which stands for, “Proper preparation prevents piss-poor performance.”“Communication is very important – probably more important than the code you write,” claimed Verburg. “The more you speak in front of large groups of people the easier it gets, but it’s always important to do dry runs, to present to smaller groups. And important to be members of user groups where you can give presentations. It’s a great place to practice speaking skills; to gain new skills; get new contacts, to network.”They encouraged attendees to record themselves and listen to themselves giving a presentation. They advised them to start with a spouse or friends if need be. Learning to communicate to a group, they argued, is essential to being a successful developer. The emphasis here is that software development is a team activity and good, clear, accessible communication is essential to the functioning of software teams. Anti-Pattern Two: Mortgage-Driven Development The main theme here was that, in a period of worldwide recession and economic stagnation, people are concerned about keeping their jobs. So there is a tendency for developers to treat knowledge as power and not share what they know about their systems with their colleagues, so when it comes time to fix a problem in production, they will be the only one who knows how to fix it – and will have made themselves an indispensable cog in a machine so you cannot be fired. So developers avoid documentation at all costs, or if documentation is required, put it on a USB chip and lock it in a lock box. As in the first anti-pattern, the idea here is that communicating well with your colleagues is essential and documentation is a key part of this. Social interactions are essential. Both Verburg and Evans insisted that increasingly, year by year, successful software development is more about communication than the technical aspects of the craft. Developers who understand this are the ones who will have the most success. Anti-Pattern Three: Distracted by Shiny – Always Use the Latest Technology to Stay AheadThe temptation here is to pick out some obscure framework, try a bit of Scala, HTML5, and Clojure, and always use the latest technology and upgrade to the latest point release of everything. Don’t worry if something works poorly because you are ahead of the curve. Verburg and Evans insisted that there need to be sound reasons for everything a developer does. Developers should not bring in something simply because for some reason they just feel like it or because it’s new. They recommended a site run by a developer named Matt Raible with excellent comparison spread sheets regarding Web frameworks and other apps. They praised it as a useful tool to help developers in their decision-making processes. They pointed out that good developers sometimes make bad choices out of boredom, to add shiny things to their CV, out of frustration with existing processes, or just from a lack of understanding. They pointed out that some code may stay in a business system for 15 or 20 years, but not all code is created equal and some may change after 3 or 6 months. Developers need to know where the code they are contributing fits in. What is its likely lifespan? Anti-Pattern Four: Design-Driven Design The anti-pattern: If you want to impress your colleagues and bosses, use design patents left, right, and center – MVC, Session Facades, SOA, etc. Or the UML modeling suite from IBM, back in the day… Generate super fast code. And the more jargon you can talk when in the vicinity of the manager the better.Verburg shared a true story about a time when he was interviewing a guy for a job and asked him what his previous work was. The interviewee said that he essentially took patterns and uses an approved book of Enterprise Architecture Patterns and applied them. Verburg was dumbstruck that someone could have a job in which they took patterns from a book and applied them. He pointed out that the idea that design is a separate activity is simply wrong. He repeated a saying that he uses, “You should pay your junior developers for the lines of code they write and the things they add; you should pay your senior developers for what they take away.”He explained that by encouraging people to take things away, the code base gets simpler and reflects the actual business use cases developers are trying to solve, as opposed to the framework that is being imposed. He told another true story about a project to decommission a very long system. 98% of the code was decommissioned and people got a nice bonus. But the 2% remained on the mainframe so the 98% reduction in code resulted in zero reduction in costs, because the entire mainframe was needed to run the 2% that was left. There is an incentive to get rid of source code and subsystems when they are no longer needed. The session continued with several more anti-patterns that were equally insightful.

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  • How to manage focus for a small set of simple widgets

    - by Christoph
    I'm developing a set of simple widgets for a small (128x128) display. For example I'd like to have a main screen with an overlay menu which I can use to toggle visibilty of main screen elements. Each option would be an icon with a box around it while it is selected. Button (left, up, right, down, enter) events should be given to the widget that has "focus". Focus is a simple thing to understand when using a GUI, but I'm having trouble implementing this. Can you suggest a simple concept for managing focus and input events? I have these simple ideas: Only one widget can have focus, so I need a single pointer to that widget. When this widget gets some kind of "cycle" input (as in "highlight the next item in this list"), the focus is given to a different widget. a widget must have a way of telling the application which widget the focus is given to next. if a widget cannot give a "next focus" hint, the application must be able to figure out where the focus should go. Widgets are currently structured like this: A widget can have a parent, which is passed to the constructor. Widgets are created statically, as I want to avoid dynamic memory allocation (I only have 16kB of RAM and I'd like to have control over that). widgets have siblings, implemented as an intrusive linked list (they have a next member). A parent has a pointer to the head of its list of children. Input events are arguments to the widgets buttonEvent methods which can accept or ignore that event. If it ignores the event, it can pass the event to its parent. My Questions: How can I manage focus for these widgets? Am I making this too complicated?

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  • links for 2011-03-01

    - by Bob Rhubart
    Oracle Technology Network Architect Day: Denver - March 23 This live one-day event will bring together architects from a broad range of disciplines and domains to share insights and expertise in the use of Oracle technologies to meet the challenges today’s architects regularly face. (tags: oracle otn architect entarch) Java.net Reborn (Oracle Technology Network Blog (aka TechBlog)) "The migration was huge effort. Over 1400 projects were migrated (and some 30 projects are left to go). A large part of the migration was a big cleanup of abandoned projects...The new java.net site is smaller, faster and now the percentage of good, current content is much higher." (tags: oracle otn java java.net) This Week: OTN Java Developer Day in Boston, Massachusetts (US) | Java.net "This Thursday, March 3, the Oracle Technology Network will be hosting an OTN Developer Day titled You are the future of Java in Boston, Massachusetts (US). The all-day event includes a keynote address ("Java, the Language of the Future") and four separate tracks..." (tags: oracle otn java event) A brief introduction to BRM and architecture (Red Adventure) Yani Miguel offers a primer on the architecture behind Billing and Revenue Management. (tags: oracle otn brm) SOA Suite Integration: Part 1: Building a Web Service (The Shorten Spot) Anthony Shorten's first post in a new series "will not feature SOA Suite at all, but will concentrate on the capability for the Oracle Utilities Application Framework to create Web Services you can use for integration." (tags: oracle otn SOA soasuite) Darwin-IT: VirtualBox on Windows XP Martien van den Akker shares a few tips. (tags: oracle otn virtualization virtualbox) Pas Apicella: Developing RESTful Web Services from JDeveloper 11g (11.1.1.4) Plas says: "In this example we use JDeveloper to create a basic JAX-RS Web Service from support provided within the code editor as no wizard support exists within JDeveloper 11g at this stage." (tags: oracle otn REST SOA) Alexander Buckley: Maintenance Review of the Java VM Specification The Java Virtual Machine Specification is the authoritative reference for the design of the Java virtual machine that underpins the Java SE platform. In an implementation-independent manner, the Specification describes the architecture, linking model, and instruction set of the Java virtual machine, (tags: oracle otn java virtualization jvm javase)

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  • Disable creation of appointment when typing into Outlook calendar

    - by Alexander L. Belikoff
    Outlook (both 2010 and 2007) has a "feature" that creates an appointment if I type some text while the calendar window has focus. This keeps biting me every now and then when I erroneously have focus on the calendar window and start typing. To me, this feature is twice as annoying: There is no easy way to escape out of it - I end up using mouse to select the newly created bogus event and then to delete it. Sometimes, if the focus is on an already existing event, such spurious typing changes the text without an easy way to undo. Question: is there a way to make Outlook stop creating/modifying events upon typing, forcing me instead to double click an event or Ctrl-N in order to process my input?

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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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  • Worst practices in C++, common mistakes ...

    - by Felix Dombek
    After reading this famous rant by Linus Torvalds, I wondered what actually are all the bad things programmers might do in C++. I'm explicitly not referring to typography errors or bad program flow as treated in this question and answers, but to more high-level errors which are not detected by the compiler and do not result in obvious bugs at first run, complete design errors, things which are improbable in C but are likely to be done by newcomers who don't understand the full implications of their code. I also welcome answers pointing out a huge performance decrease where it would not usually be expected. An example of what one of my professors once told me: You have used somewhat too many instances of unneeded inheritance and virtuality. Inheritance makes a design much more complicated (and inefficient because of the RTTI (run-time type inference) subsystem), and it should therefore only be used where it makes sense, e.g. for the actions in the parse table." [I wrote an LR(1) parser generator.] "Because you make intensive use of templates, you practically don't need inheritance."

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  • EMEA Analytics & Data Integration Oracle Partner Forum

    - by Mike.Hallett(at)Oracle-BI&EPM
    MONDAY 12TH NOVEMBER, 2012 IN LONDON (UK) For Oracle Partners across Europe, Middle East and Africa: come to hear the latest news from Oracle OpenWorld about Oracle BI & Data Integration, and propel your business growth as an Oracle partner. This event should appeal to BI or Data Integration specialised partners, Executives, Sales, Pre-sales and Solution architects: with a choice of participation in the plenary day and then a set of special interest (technical) sessions. The follow on breakout sessions from the 13th November provide deeper dives and technical training for those of you who wish to stay for more detailed and hands-on workshops. Keynote: Andrew Sutherland, SVP Oracle Technology Hot agenda items will include: The Fusion Middleware Stack: Engineered to work together A complete Analytics and Data Integration Solution Architecture: Big Data and Little Data combined In-Memory Analytics for Extreme Insight Latest Product Development Roadmap for Data Integration and Analytics Venue:  Oracles London CITY Moorgate Offices Places are limited, Register from this Link {see Register button at bottom right of page}. Note: Registration for the conference and the deeper dives and technical training is free of charge to OPN member Partners, but you will be responsible for your own travel and hotel expenses. Event Schedule During this event you can learn about partner success stories, participate in an array of break-out sessions, exchange information with other partners and enjoy a vibrant panel discussion. Nov. 12th  : Day 1 Main Plenary Session : Full day, starting 10.30 am.     Oracle Hosted Dinner in the Evening Nov. 13th  onwards Architecture Masterclass : IM Reference Architecture – Big Data and Little Data combined (1 day) BI-Apps Bootcamp  (4-days) Oracle GoldenGate workshop (1 day) Oracle Data Integrator and Oracle Enterprise Data Quality workshop (1 day)   For further information and detail download the Agenda (pdf) or contact Michael Hallett at [email protected].

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  • Segmentation fault while switching QCompleter for QLineEdit [on hold]

    - by san
    I have a QLineEdit that uses autocompletion one which on focusIn event in which it shows paths from XML List(here I have used hardcoded list) but if user doesn't find the path from that list popped by QCompleter than I want user to be able to browse to path typing '/' in QLineEdit , I am not able to select the paths say /Users etc and on trying to type Segmentation fault occurs. from PyQt4.Qt import Qt, QObject,QLineEdit from PyQt4.QtCore import pyqtSlot,SIGNAL,SLOT from PyQt4 import QtGui, QtCore import sys class DirLineEdit(QLineEdit, QtCore.QObject): """docstring for DirLineEdit""" def __init__(self): super(DirLineEdit, self).__init__() self.defaultList = ['~/Development/python/searchMethod', '~/Development/Nuke_python', '~/Development/python/openexr', '~/Development/python/cpp2python'] self.textChanged.connect(self.__dirCompleter) def focusInEvent(self, event): if len(self.text()) == 0: self._pathsList() QtGui.QLineEdit.focusInEvent(self, event) self.completer().complete() def __dirCompleter(self): if len(self.text()) == 0: model = MyListModel(self.defaultList, self) completer = QtGui.QCompleter(model, self) completer.setModel(model) else: dirModel = QtGui.QFileSystemModel() dirModel.setRootPath(QtCore.QDir.currentPath()) dirModel.setFilter(QtCore.QDir.AllDirs | QtCore.QDir.NoDotAndDotDot | QtCore.QDir.Files) dirModel.setNameFilterDisables(0) completer = QtGui.QCompleter(dirModel, self) completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive) completer.setModel(dirModel) self.setCompleter(completer) def _pathsList(self): completerList = QtCore.QStringList() for i in self.defaultList: completerList.append(QtCore.QString(i)) lineEditCompleter = QtGui.QCompleter(completerList) lineEditCompleter.setCompletionMode(QtGui.QCompleter.UnfilteredPopupCompletion) self.setCompleter(lineEditCompleter) class MyListModel(QtCore.QAbstractListModel): def __init__(self, datain, parent=None, *args): """ datain: a list where each item is a row """ QtCore.QAbstractTableModel.__init__(self, parent, *args) self.listdata = datain def rowCount(self, parent=QtCore.QModelIndex()): return len(self.listdata) def data(self, index, role): if index.isValid() and role == QtCore.Qt.DisplayRole: return QtCore.QVariant(self.listdata[index.row()]) else: return QtCore.QVariant() app = QtGui.QApplication(sys.argv) smObj = DirLineEdit() smObj.show() app.exec_() Please help fix this or suggest better way of implementation?

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