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• What is Object Oriented Programming ill-suited for?

  - by Richard JP Le Guen

  In Martin Fowler's book Refactoring, Fowler speaks of how when developers learn something new, they don't consider when it's inappropriate for the job: Ten years ago it was like that with objects. If someone asked me when not to use objects, it was hard to answer. [...] It was just that I didn't know what those limitations were, although I knew what the benefits were. Reading this, it occurred to me I don't know what the limitations or potential disadvantages of Object-Oriented Programming are. What are the limitations of Object Oriented Programming? When should one look at a project and think "OOP is not best suited for this"?

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• XNA GUI: Creating a 'scroll pane' widget

  - by Keith Myers

  I'm trying to create a simple GUI system and am currently stuck on how to implement a textarea with a scrollbar. In other words, the text is too large to fit into the view area. I want to learn how to do this, so I'd rather not use an already rolled API. I believe this could be done if the text were part of a texture, but if the game had a lot of unique dialog, this seems expensive. I researched creating a texture on the fly and writing to it, but came up with nothing. Any suggested strategies would be appreciated. I believe it boils down to: text in a texture and how? Or something I have not thought of...

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• Webcast: Introducing the New Oracle VM Blade Cluster Reference Configuration

  - by Ferhat Hatay

  The Fastest Way to Virtualize Your Datacenter Join our webcast “Best Practices for Speeding Virtual Infrastructure Deployment with Oracle VM” Tues., January 25, 2011 9 a.m. PT / 12 p.m. ET Presented by: Marc Shelley, Senior Manager, Oracle Blades Product Management Tom Lisjac, Senior Member, Oracle Technical Staff Register now for our live webcast! The Oracle VM blade cluster reference configuration addresses the key challenges associated with deploying a virtualization infrastructure. It eliminates or significantly reduces the assembly and integration of the following components BY UP TO 98%: Servers Storage Network Connections Virtualization Software Operating Systems Attend this fact-filled, how-to Webcast with Oracle experts to learn the best practices for deploying the reference configuration for Oracle VM Server for x86 and Sun Blade and Sun Fire x86 rack mount servers. Virtualization is easier than ever with this new configuration. Register now for our live webcast! For more information, see: Oracle white paper: Accelerating deployment of virtualized infrastructures with the Oracle VM blade cluster reference configuration Oracle technical white paper: Best Practices and Guidelines for Deploying the Oracle VM Blade Cluster Reference Configuration

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• The Best Application Launchers and Docks for Organizing Your Desktop

  - by Lori Kaufman

  Is your desktop so cluttered you can’t find anything? Is your Start menu so long you have to scroll to see what programs are there? If so, you probably need an application launcher to organize your desktop and make your life easier. We’ve created a list of many useful application launchers in different forms. You can choose from dock programs, portable application launchers, Start menu and Taskbar replacements, and keyboard-oriented launchers. HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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• Data Import Resources for Release 17

  - by Pete

  With Release 17 you now have three ways to import data into CRM On Demand: The Import Assistant Oracle Data Loader On Demand, a new, Java-based, command-line utility with a programmable API Web Services We have created the Data Import Options Overview document to help you choose the method that works best for you. We have also created the Data Import Resources page as a single point of reference. It guides you to all resources related to these three import options. So if you're looking for the Data Import Options Overview document, the Data Loader Overview for Release 17, the Data Loader User Guide, or the Data Loader FAQ, here's where you find them: On our new Training and Support Center, under the Learn More tab, go to the What's New section and click Data Import Resources.

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• Backup files with rsync: error 23

  - by maria

  Hi I'm trying to make a backup of my /home to transfer all data from one computer to another. I wanted to save the backup on the same computer and than transfere it to another one. For safety reasons, I'm trying to learn how does it work on the computer without a lot of data (the new one) to be sure I won't delete something instead of copying it. I've run in terminal: sudo rsync -avz /home/maria /home/guest/backup and I had as the result: sent 58797801 bytes received 23050 bytes 4705668.08 bytes/sec total size is 100202958 speedup is 1.70 rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1060) [sender=3.0.7] I've tried once again, with the same result. I have no idea, which files were not transferred, what makes the whole backup useless for me (I wanted to do it automatically in order not to forget about something and loose it). On both computers I have the same system (Ubuntu 10.04). Rsync version: 3.0.7-1ubuntu1. Thanks for any tips

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• Why partners should visit the new AutoVue Knowledge Zone

  - by [email protected]

  Learn more about AutoVue and connect with your peers to distinguish your offerings, seize opportunities, and to increase your sales! Explore the latest releases, integration solution offerings, marketing assets, partner enablement tools, events and latest partner initiatives by clicking through the tabs - Why Partner, Develop, Sell, and Connect. Knowledge Zones are designed to accelerate the partner's knowledge about Oracle solutions, as well as provide new opportunities to collaborate with the entire Oracle partner ecosystem. The AutoVue Knowledge Zone, launched in March 2010, is continuously being updated with the latest information to better equip and enable our partners to sell AutoVue solutions. Get all the information you always wanted to convert your sales opportunities into wins. Check out and bookmark the AutoVue Knowledge Zone now!

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• I prefer C/C++ over Unity and other tools: is it such a big downer for a game developper ?

  - by jokoon

  We have a big game project on Unity at school on which we are 12 to work on. My teacher seems to be convinced it's an important tool to teach students, since it makes students look from the high level to the lower level. I can understand his view, and I'm wondering: Is unity such an important engine in game developping companies ? Are there a lot of companies using it because they can't afford to use something else ? He is talking like Unity is a big player in game making, but I only see it fit small indie game companies who want to do a game as fast as possible. Do you think Unity is that much important in the industry ? Does it endangers the value of C++ skills ? It's not that I don't like Unity, it's just that I don't learn nothing with it, I prefer to achieve little steps with Ogre or SFML instead. Also, we also have C++ practice exercises, but those are just practice with theory, nothing much.

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• Kscope 2014 Preview: Data Modeling and Moving Meditation with Kent Graziano

  - by OTN ArchBeat

  Those attending ODTUG's Kscope event in Seattle, June 22-26, will spend several days up to their eyeballs in technical sessions by more than 200 experts in a variety of specialties and Oracle technologies. Oracle ACE Director Kent Graziano is one of those experts, with a focus on business intelligence and data warehouse architecture. But in addition to the two data modeling sessions he'll present, Kent will for the fourth year in a row lead Kscope early risers in daily sessions in Chi Gung, Chinese martial art that Kent describes as "moving mediation." Want to learn more about Kent's Kscope 2014 data modeling sessions and how Chi Gung can help you get a great start on your day? Check out this video interview. Connect with Kent Gaziano Watch more interviews with Kscope 2014 session presenters.

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• The Open Road Awaits [Wallpaper]

  - by Asian Angel

  ROAD TO PARADISE [DesktopNexus] Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Awesome 10 Meter Curved Touchscreen at the University of Groningen [Video] TV Antenna Helper Makes HDTV Antenna Calibration a Snap Turn a Green Laser into a Microscope Projector [Science] The Open Road Awaits [Wallpaper] N64oid Brings N64 Emulation to Android Devices Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform]

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• Live Security Talk Webcast: Security Best Practices for Design and Deployment on Windows Azure (Leve

  Developing secure applications and services in the cloud requires knowledge of the threat landscape specific to the cloud provider. The key is understanding threat mitigations implemented by the cloud architecture versus those that are the responsibility of the developer. Register for this exciting live webcast to learn about the threats that are specific to the cloud and how the Windows Azure architecture deals with these threats. We also cover how to use built-in Windows Azure security features...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Advantages and disadvantages of libgdx [on hold]

  - by Paul

  I've been an android developer for a while and am thinking about getting into gaming. While looking for a game dev framework, I thought libgdx provides very friendly documentation and functionality. So I would like to use it if there is no big obstacle. But when I tried to see how many developers employ this library, I could find not that many. Is there anything wrong with this library? In other words, I would like to know its advantages or disadvantages from any experienced developer. UPDATE: After reviewing its documentations and trying to build simple games with libgdx, I decided to go with it as its documentations are good enough and its community is very active. What I liked the most is that it provides a bunch of demo games that I can learn a lot from.

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• Leveraging Blueprints to Easily Extend the Value of Your Investment in Oracle GRC Applications

  Hundreds of customers globally have invested in Oracle GRC Applications to help solve mission-critical compliance and risk management challenges. To further extend the value of these investments, Oracle is introducing blueprints for Oracle GRC applications. Oracle GRC Application Blueprints deliver ready-to-use best practice content that represents thousands of hours of experience from Oracle and from Oracle partners and customers. Each blueprint can include pre-defined content, pre-packaged integrations, sample code, and application configurations, and are immediately available to download free of charge from the Oracle Technology Network. Listen to this appcast and learn what blueprints are available today and how you can contribute your own blueprints for Oracle GRC Applications.

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• SQL Interview Preparation : QA Engineer Position

  - by user9009

  Hello, I have interview with enterprise company for QA Engineer(New Grad-Mid level experience) position. I was told i would expect some questions on SQL. The company is eCommerce shopping portal. So what kind of questions do i expect for SQL coding ? . DO i need to learn how to code complex queries? Any inputs would be appreciated. Please provide links which you think can be helpful. Yes i found similar question on StackOverflow, but i wanted to know important SQL topics from QA Engineer Perspective Thanks

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• Improve Engineering & Construction Project Productivity

  - by [email protected]

  Driving successful project delivery and providing greater value and return for all stakeholders are key goals for firms in the engineering and construction industry. However, increasingly complex construction projects, compressed schedules, ineffective collaboration among project stakeholders, and limited interoperability, can get in the way of these goals and lead to reduced productivity. What E&C firms need are solutions that will improve global team collaboration, optimize processes and better communicate electronic project data. Check out the AutoVue for Engineering and Construction Solution Brief and learn how AutoVue enterprise visualization solutions can: - improve global project collaboration and communication - improve data interoperability - support virtual design and construction projects - improve change management and maintain accountability

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• I prefer C/C++ over Unity and other tools: is it such a big downer for a game developer?

  - by jokoon

  We have a big game project using Unity at school. There are 12 of us working on it. My teacher seems to be convinced it's an important tool to teach students, since it makes students look from the high level to the lower level. I can understand his view, and I'm wondering: Is unity such an important engine in game development companies? Are there a lot of companies using it because they can't afford to use something else? He is talking like Unity is a big player in game making, but I only see it fit small indie game companies who want to do a game as fast as possible. Do you think Unity is of that much importance in the industry? Does it endanger the value of C++ skills? It's not that I don't like Unity, it's just that I don't learn anything with it, I prefer to achieve little steps with Ogre or SFML instead. Also, we also have C++ practice exercises, but those are just practice with theory, nothing much.

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• Need an idea for an iOS project for a trainee to prove his skills

  - by Umair Khan Jadoon

  I am teaching iOS development to a trainee who has recently joined our startup. He already has strong background and experience in .net. At first phase, he will learn the following things: Basics of Objective C. Views and View Controllers(Navigation, Table, Tabs), gester recognizers, table views, segues etc. Protocols, gesters, delegates. Blocks and multithreading. Now, I have to give him some kind of homework assignment or project to get his skills to action and to know what he has learnt. Any ideas?

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• Larry Ellison Unveils Oracle Database In-Memory

  - by jgelhaus

  A Breakthrough Technology, Which Turns the Promise of Real-Time into a Reality Oracle Database In-Memory delivers leading-edge in-memory performance without the need to restrict functionality or accept compromises, complexity and risk. Deploying Oracle Database In-Memory with virtually any existing Oracle Database compatible application is as easy as flipping a switch--no application changes are required. It is fully integrated with Oracle Database's scale-up, scale-out, storage tiering, availability and security technologies making it the most industrial-strength offering in the industry. Learn More Read the Press Release Get Product Details View the Webcast On-Demand Replay Follow the conversation #DB12c #OracleDBIM

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• What is involved for a simple UDP game?

  - by acidzombie24

  I once tried to write a simple game with UDP in a week as a throwaway test. It went horribly. I threw it away early. The main problem i had was restoring the game state of all players/enemies/objects to an old state and fast forward the game to the point of time the player is playing (ie half a second before a jump. A little early or late can make the player miss the jump) Maybe this method is not the easiest way? i suspect it to be but i designed it wrong from the beginning and realized at the end of 2nd day. (so i didnt learn too much or wasted that much time) For myself and others, What is involved for a simple UDP game and how do i write one? Or how do i solve the prediction problem restoring to state properly. I'll mark this as CW bc i know there will be lots of helpful answers.

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• Corona SDK (Lua) vs Native Obj-C for iPhone only word puzzle type game [closed]

  - by dodgy_coder

  I am trying to decide on whether to use the Corona SDK & Lua versus native Objective-C to develop an iOS app. This will be the first game on any smartphone I have developed and so its not that ambitious - a single player word puzzle type game - something sort of like scrabble. The advantages of Corona I can see are: Lua is probably easier to learn than Obj-C (shorter learning curve) meaning a possibly quicker development time Possibility to port to Android once its finished Advantages of native Obj-C are: Access to all and latest features of iOS More / faster available libraries Has anyone made this decision before? Are there any major advantages or disadvantages I've missed or got wrong here? Thanks.

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• What are you telling yourself if you can't understand new concept, paradigm, feature ... ?

  - by Freshblood

  Programming always required to learn new concepts, paradigms, features and technologies and I always have been failed at first attempt to understand new concept what i encounter. I start to blame and humiliate myself without remember before how i understood new concept which i hadn't understand it before. I can hardly stop to tell myself "why i cant understand ? Am i stupid or idiot ? Yes, i am stuppiiddddd!!!" What your inner voice tells if you can not understand new concept after spend long time till been tired or hopeless ? How do you handle your self-esteem in such situations ?

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• Google I/O 2010 - Building your own Google Wave provider

  Google I/O 2010 - Building your own Google Wave provider Google I/O 2010 - Open source Google Wave: Building your own wave provider Wave 101 Dan Peterson, Jochen Bekmann, JD Zamfirescu Pereira, David LaPalomento (Novell) Learn how to build your own wave service. Google is open sourcing the lion's share of the code that went into creating Google Wave to help bootstrap a network of federated providers. This talk will discuss the state of the reference implementation: the software architecture, how you can plug it into your own use cases -- and how you can contribute to the code and definition of the underlying specification. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 8 0 ratings Time: 59:03 More in Science & Technology

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• SANS Webcast: Label Based Access Controls in Oracle Database 11g

  - by Troy Kitch

  Controlling access to data subsets within an application table can be difficult and inefficient especially when faced with specific data ownership, consolidation and multi-tenancy requirements. However, this can be elegantly addressed using label based access control (LBAC). In this webcast you will learn how LBAC using Oracle Label Security and Oracle Database 11g can easily enforce row-level access based on user security clearance. In addition, Oracle security experts will discuss real world case studies demonstrating how customers, in industries ranging from retail to government, are relying on Oracle Label Security for virtual information partitioning and secure consolidation of information.  Register for the July 12 webcast now.

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• What Are Oracle Users Doing to Improve Availability and Disaster Recovery?

  - by jgelhaus

  What Are Oracle Users Doing to Improve Availability and Disaster Recovery? Download the recent database availability survey report, Enterprise Data and the Cost of Downtime, and watch the Webcast highlighting the results. The survey, conducted by the Independent Oracle Users Group, examined more than 350 data managers and professionals regarding planned and unplanned downtime, database high availability, and disaster recovery solutions. The findings will help you learn about: Leading causes of planned and unplanned downtime of Oracle users Different approaches to database high availability Why a majority of Oracle users commonly deploy Oracle Database with Oracle Real Application Clusters, Oracle Active Data Guard, and Oracle GoldenGate Register now to download the report and watch the Webcast.

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• Can a programmer get too smart for their own good?

  - by P.Brian.Mackey

  The more I learn about programming, the more things I see that could be improved by a great deal. Often, a companies process management is total SWAG or they have Frames based websites written recently, .NET 1.1 based code, no separation of concerns, poor quality control...I could go on and on and on... Projects can succeed, but there tends to be so much waste I am amazed at how much time and money a company can throw away. I've seen it happen at several companies. So is it that ignorance truly is bliss? UPDATE Question "How is it that top developers (I don't mean like Jon Skeet level, I mean guys who are dedicated enough to hit a forum and try for self-improvement) even want to code anymore after they see the often insurmountable sociological and technical problems they are told to fix, but then scolded for doing so? "

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