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  • Google CDN or Akamai

    - by AlienWebguy
    We combine and minify our JS with Minify - the combined JS is then cached on Akamai. I'm suggesting to my supervisor that we put JQuery and JQueryUI on Google CDN and take it out of our combined JS. The benefits I see are parallel downloads, significantly smaller Akamai cache hit, and the high potential the user will have JQuery from Google CDN cached in his/her browser when he/she visits our site so no download will be required at all. I also pointed out how pointing to the major version CDN URL //ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js will eliminate the need for us to micro-manage our JQuery version control, and that if a new release introduces a bug, we simply point the CDN URL to a stable minor version of our choice until the issue is resolved. My supervisor disagrees and thinks keeping it on Akamai is the way to go. Any insight as to which is going to be faster here? I looked for some benchmarks and references online but they are either out-dated or merely talk about Google wanting to acquire Akamai. EDIT: Some further research has pointed me to an article mentioning how 'latest version' CDN URL's use short expires headers so it might be more optimal to use /jquery/1.7/. I'm fine with this - the general question still remains.

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  • Putting a base in the middle

    - by PSteele
    From Eric Lippert's Blog: Here’s a crazy-seeming but honest-to-goodness real customer scenario that got reported to me recently. There are three DLLs involved, Alpha.DLL, Bravo.DLL and Charlie.DLL. The classes in each are: public class Alpha // In Alpha.DLL {   public virtual void M()   {     Console.WriteLine("Alpha");   } } public class Bravo: Alpha // In Bravo.DLL { } public class Charlie : Bravo // In Charlie.DLL {   public override void M()   {     Console.WriteLine("Charlie");     base.M();   } } Perfectly sensible. You call M on an instance of Charlie and it says “Charlie / Alpha”. Now the vendor who supplies Bravo.DLL ships a new version which has this code: public class Bravo: Alpha {   public override void M()   {     Console.WriteLine("Bravo");     base.M();   } } The question is: what happens if you call Charlie.M without recompiling Charlie.DLL, but you are loading the new version of Bravo.DLL? The customer was quite surprised that the output is still “Charlie / Alpha”, not “Charlie / Bravo / Alpha”. Read the full post for a very interesting discussion of the design of C#, the CLR, method resolution and more. Technorati Tags: .NET,C#,CLR

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  • difference between cocos2d-x vs cocos2d-js

    - by MFarooqi
    I'm just moving towards native apps... A friend of mine told me to start with cocos2d, I'm good in javascript. while searching google for cocos2d, and within cocos2d-x.org i found cocos2d-x cocos2d-JSB cocos2d-html5 cocos2d-Javascript I know what cocos2d-x is for.. and what cocos2d-html5 is for.. but what is cocos2d-JSB and cocos2d-Javascript.. Can somebody please tell me.. what exactly these 2 things are.. My questions are.. Can we developer 100%pure native apps/games in cocos2d-JSB and or cocos2d-javascrpoit. I also know cocos2d-JSB is javascript bindings.. but what does that exactly mean?.. Last but not least question.. what is cocos2d-Javascript for?.. does that work alone or we need cocos2d-html5 to make it previewable in IOS/Anroid/windowsPhone.. Please give me Details.. because i'm so confused... I want to develop native apps for IOS/Android and Windows. Thank you

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  • How can one compile Darwinia under Linux?

    - by Tobias Kienzler
    Introversion is now offering the Darwinia+Multiwinia source for sale, stating Note: You will need Windows and Visual Studio 2008 to build the games. We have tested that the code compiles correctly on the PC, but you will need to put some effort in to compile for Mac / Linux. There is no Xbox code in this release. Has anyone put this effort in already? The best answer would (be yes and) mention modifications that had to be done (also mentioning the distribution used), the second-to-best would explain why it doesn't work right now. Since I haven't bought the source pack I'm relying on up-votes as confirmation, so please comment on answers if something doesn't work or has to be modified e.g. for another Linux distribution. I'm currently using Ubuntu 8.04, but 10.04 or e.g. Gentoo would be a choice, too. EDIT: Clarification: The intention is to make a new game with that engine, but since this question is a prerequisite, it seems suitable here. UPDATE It is a bit off topic, but for those interested, Introversion added the source code of Uplink, Darwinia, Multiwinia and DEFCON to The Humble Introversion Bundle, so don't miss it!

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  • Looking Back at MIX10

    - by WeigeltRo
    It’s the sad truth of my life that even though I’m fascinated by airplanes and flight in general since my childhood days, my body doesn’t like flying. Even the ridiculously short flights inside Germany are taking their toll on me each time. Now combine this with sitting in the cramped space of economy class for many hours on a transatlantic flight from Germany to Las Vegas and back, and factor in some heavy dose of jet lag (especially on my way eastwards), and you get an idea why after coming back home I had this question on my mind: Was it really worth it to attend MIX10? This of course is a question that will also be asked by my boss at Comma Soft (for other reasons, obviously), who decided to send me and my colleague Jens Schaller, to the MIX10 conference. (A note to my German readers: An dieser Stelle der Hinweis, dass Comma Soft noch Silverlight-Entwickler und/oder UI-Designer für den Standort Bonn sucht – aussagekräftige Bewerbungen bitte an [email protected]) Too keep things short: My answer is yes. Before I’ll go into detail, let me ask the heretical questions whether tech conferences in general still make sense. There was a time, where actually being at a tech conference gave you a head-start in regard to learning about new technologies. Nowadays this is no longer true, where every bit of information and every detail is immediately twittered, blogged and whatevered to death. In the case of MIX10 you even can download the video-taped sessions shortly after. So: Does visiting a conference still make sense? It depends on what you expect from a conference. It should be clear to everybody that you’ll neither get exclusive information, nor receive training in a small group. What a conference does offer that sitting in front of your computer does not can be summarized as follows: Focus Being away from work and home will help you to focus on the presented information. Of course there are always the poor guys who are haunted by their work (with mails and short text messages reporting the latest showstopper problem), but in general being out of your office makes a huge difference. Inspiration With the focus comes the emotional involvement. I find it much easier to absorb information if I feel that certain vibe when sitting in a session. This still means that I have put work into reviewing the information later, but it’s a better starting point. And all the impressions collected at a (good) conference combined lead to a higher motivation – be it by the buzz (“this is gonna be sooo cool!”) or by the fear to fall behind (“man, we’ll have work on this, or else…”). People At a conference it’s pretty easy to get into contact with other people during breakfast, lunch and other breaks. This is a good opportunity to get a feel for what other development teams are doing (on a very general level of course, nobody will tell you about their secret formula) and what they are thinking about specific technologies. So MIX10 did offer focus, inspiration and people, but that would have meant nothing without valuable content. When I (being a frontend developer with a strong interest in UI/UX) planned my visit to MIX10, I made the decision to focus on the "soft" topics of design, interaction and user experience. I figured that I would be bombarded with all the technical details about Silverlight 4 anyway in the weeks and months to come. Actually, I would have liked to catch a few technical sessions, but the agenda wasn’t exactly in favor of people interested in any kind of Silverlight and UI/UX/Design topics. That’s one of my few complaints about the conference – I would have liked one more day and/or more sessions per day. Overall, the quality of the workshops and sessions was pretty high. In fact, looking back at my collection of conferences I’ve visited in the past I’d say that MIX10 ranks somewhere near the top spot. Here’s an overview of the workshops/sessions I attended (I’ll leave out the keynotes): Day 0 (Workshops on Sunday) Design Fundamentals for Developers Robby Ingebretsen is the man! Great workshop in three parts with the perfect mix of examples, well-structured definition of terminology and the right dose of humor. Robby was part of the WPF team before founding his own company so he not only has a strong interest in design (and the skillz!) but also the technical background.   Design Tools and Techniques Originally announced to be held by Arturo Toledo, the Rosso brothers from ArcheType filled in for the first two parts, and Corrina Black had a pretty general part about the Windows Phone UI. The first two thirds were a mixed bag; the two guys definitely knew what they were talking about, and the demos were great, but the talk lacked the preparation and polish of a truly great presentation. Corrina was not allowed to go into too much detail before the keynote on Monday, but the session was still very interesting as it showed how much thought went into the Windows Phone UI (and there’s always a lot to learn when people talk about their thought process). Day 1 (Monday) Designing Rich Experiences for Data-Centric Applications I wonder whether there was ever a test-run for this session, but what Ken Azuma and Yoshihiro Saito delivered in the first 15 minutes of a 30-minutes-session made me walk out. A commercial for a product (just great: a video showing a SharePoint plug-in in an all-Japanese UI) combined with the most generic blah blah one could imagine. EPIC FAIL.   Great User Experiences: Seamlessly Blending Technology & Design I switched to this session from the one above but I guess I missed the interesting part – what I did catch was what looked like a “look at the cool stuff we did” without being helpful. Or maybe I was just in a bad mood after the other session.   The Art, Technology and Science of Reading This talk by Kevin Larson was very interesting, but was more a presentation of what Microsoft is doing in research (pretty impressive) and in the end lacked a bit the helpful advice one could have hoped for.   10 Ways to Attack a Design Problem and Come Out Winning Robby Ingebretsen again, and again a great mix of theory and practice. The clean and simple, yet effective, UI of the reader app resulted in a simultaneous “wow” of Jens and me. If you’d watch only one session video, this should be it. Microsoft has to bring Robby back next year! Day 2 (Tuesday) Touch in Public: Multi-touch Interaction Design for Kiosks & Architectural Experiences Very interesting session by Jason Brush, a great inspiration with many details to look out for in the examples. Exactly what I was hoping for – and then some!   Designing Bing: Heart and Science How hard can it be to design the UI for a search engine? An input field and a list of results, that should be it, right? Well, not so fast! The talk by Paul Ray showed the many iterations to finally get it right (up to the choice of a specific blue for the links). And yes, I want an eye-tracking device to play around with!   The Elephant in the Room When Nishant Kothary presented a long list of what his session was not about, I told to myself (not having the description text present) “Am I in the wrong talk? Should I leave?”. Boy, was I wrong. A great talk about human factors in the process of designing stuff.   An Hour with Bill Buxton Having seen Bill Buxton’s presentation in the keynote, I just had to see this man again – even though I didn’t know what to expect. Being more or less unplanned and intended to be more of a conversation, the session didn’t provide a wealth of immediately useful information. Nevertheless Bill Buxton was impressive with his huge knowledge of seemingly everything. But this could/should have been a session some when in the evening and not in parallel to at least two other interesting talks. Day 3 (Wednesday) Design the Ordinary, Like the Fixie This session by DL Byron and Kevin Tamura started really well and brought across the message to keep things simple. But towards the end the talk lost some of its steam. And, as a member of the audience pointed out, they kind of ignored their own advice when they used a fancy presentation software other then PowerPoint that sometimes got in the way of showing things.   Developing Natural User Interfaces Speaking of alternative presentation software, Joshua Blake definitely had the most remarkable alternative to PowerPoint, a self-written program called NaturalShow that was controlled using multi-touch on a touch screen. Not a PowerPoint-killer, but impressive nevertheless. The (excellent) talk itself was kind of eye-opening in regard to what “multi-touch support” on various platforms (WPF, Silverlight, Windows Phone) actually means.   Treat your Content Right The talk by Tiffani Jones Brown wasn’t even on my planned schedule, but somehow I ended up in that session – and it was great. And even for people who don’t necessarily have to write content for websites, some points made by Tiffani are valid in many places, notably wherever you put texts with more than a single word into your UI. Creating Effective Info Viz in Microsoft Silverlight The last session of MIX10 I attended was kind of disappointing. At first things were very promising, with Matthias Shapiro giving a brief but well-structured introduction to info graphics and interactive visualizations. Then the live-coding began and while the result was interesting, too much time was spend on wrestling to get the code working. Ending earlier than planned, the talk was a bit light on actual content, but at least it included a nice list of resources. Conclusion It could be felt all across MIX10, UIs will take a huge leap forward; in fact, there are enough examples that have already. People who both have the technical know-how and at least a basic understanding of design (“literacy” as Bill Buxton called it) are in high demand. The concept of the MIX conference and initiatives like design.toolbox shows that Microsoft understands very well that frontend developers have to acquire new knowledge besides knowing how to hack code and putting buttons on a form. There are extremely exciting times before us, with lots of opportunity for those who are eager to develop their skills, that is for sure.

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  • Event-based server-gameloop in a server based game

    - by Chris
    I know that this site is full of questions about fixed gameloops and variable gameloops and different types of threading. But I coult find barely nothing that is related to server loops. The server has no screen to draw on. It could just run as fast as possible, but of course this makes no sense. But should it really use single "ticks" and send the updates periodically after each tick and wait for the next "tick" to update its state. Is it applicable to replace the gameloop by multilpe events? Suchs as incoming network traffic or timers? I often heared that a gameloop should be determistic, but does it really matter? For instance, when you play a shooter game against humand players and/or AI you proably would never be ably to repeat the same input twice. Is it a good idea to lose determistic behavior if it is nearly impossible to reprodruce the same input twice? So this question is more or less about whether an strictly event-based gameloop is adviseable or not and what are the pros and cons. I could imagene that an event-based gameloop could perform much faster and smoother, since you don't have bug CPU-spikes during the beginning of a new "tick". The fact that I could not find much about an event-based gameloop for servers leads me to the conclusion that inefficient or too complicated to get a real benefit from it. I'm sure if this is enough to get an idea from what I'm interessted to know, but I hope so.

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  • Transforming object world space matrix to a position in world space

    - by Fredrik Boston Westman
    Im trying to make a function for picking objects with a bounding sphere however I have run in to a problem. First I check against my my bounding sphere, then if it checks out then I test against the vertexes. I have already tested my vertex picking method and it work fine, however when I check first with my bounding sphere method it dosnt register anything. My conclusion is that when im transform my sphere position in to the position of the object in world space, the transformation goes wrong ( I base this on the fact the the x coordinate always becomes 1, even tho i translate non of my meshes along the x-axis to 1). So my question is: What is the proper way to transform a objects world space matrix to a position vector ? This is how i do it now: First i set my position vector to 0. XMVECTOR meshPos = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f); Then I trannsform it with my object space matrix, and then add the offset to the center of the mesh. meshPos = XMVector3TransformCoord(meshPos, meshWorld) + centerOffset;

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  • How can I resize a set of sprite images?

    - by Tyler J Fisher
    Hey StackExchange GameDev community, I'm attempting to resize series of sprites upon instantiation of the class they're located in. I've attempted to use the following code to resize the images, however my attempts have been unsuccessful. I have been unable to write an implementation that is even compilable, so no error codes yet. wLeft.getScaledInstance(wLeft.getWidth()*2, wLeft.getHeight()*2, Image.SCALE_FAST); I've heard that Graphics2D is the best option. Any suggestions? I think I'm probably best off loading the images into a Java project, resizing the images then outputting them to a new directory so as not to have to resize each sprite upon class instantiation. What do you think? Photoshopping each individual sprite is out of the question, unless I used a macro. Code: package game; //Import import java.awt.Image; import javax.swing.ImageIcon; public class Mario extends Human { Image wLeft = new ImageIcon("sprites\\mario\\wLeft.PNG").getImage(); //Constructor public Mario(){ super("Mario", 50); wLeft = wLeft.getScaledInstance(wLeft.getWidth()*2, wLeft.getHeight()*2, Image.SCALE_FAST); }

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  • SQL SERVER – Find Details for Statistics of Whole Database – DMV – T-SQL Script

    - by pinaldave
    I was recently asked is there a single script which can provide all the necessary details about statistics for any database. This question made me write following script. I was initially planning to use sp_helpstats command but I remembered that this is marked to be deprecated in future. Again, using DMV is the right thing to do moving forward. I quickly wrote following script which gives a lot more information than sp_helpstats. USE AdventureWorks GO SELECT DISTINCT OBJECT_NAME(s.[object_id]) AS TableName, c.name AS ColumnName, s.name AS StatName, s.auto_created, s.user_created, s.no_recompute, s.[object_id], s.stats_id, sc.stats_column_id, sc.column_id, STATS_DATE(s.[object_id], s.stats_id) AS LastUpdated FROM sys.stats s JOIN sys.stats_columns sc ON sc.[object_id] = s.[object_id] AND sc.stats_id = s.stats_id JOIN sys.columns c ON c.[object_id] = sc.[object_id] AND c.column_id = sc.column_id JOIN sys.partitions par ON par.[object_id] = s.[object_id] JOIN sys.objects obj ON par.[object_id] = obj.[object_id] WHERE OBJECTPROPERTY(s.OBJECT_ID,'IsUserTable') = 1 AND (s.auto_created = 1 OR s.user_created = 1); If you have better script to retrieve information about statistics, please share here and I will publish it with due credit. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL DMV, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL, Technology Tagged: SQL Statistics, Statistics

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  • Unity Plugin DLLNotFoundException

    - by Dewayne
    I am using a plugin DLL that I created in Visual C++ Express 2010 on windows 7 64 bit Ultimate Edition. The DLL functions properly on the machine that it was originally created on. The problem is that the DLL is not functioning in the Unity3d Editor on another machine and giving an error that basically states that the DLL is missing some of its dependencies. The target machine is running Windows 7 Home 64 bit (if this is relevant) Results from the error log of Dependency Walker: Error: The Side-by-Side configuration information for "c:\users\dewayne\desktop\shared\vrpnplugin\unityplugin\build\release\OPTITRACKPLUGIN.DLL" contains errors. The application has failed to start because its side-by-side configuration is incorrect. Please see the application event log or use the command-line sxstrace.exe tool for more detail (14001). Error: At least one module has an unresolved import due to a missing export function in an implicitly dependent module. Error: Modules with different CPU types were found. Warning: At least one delay-load dependency module was not found. Warning: At least one module has an unresolved import due to a missing export function in a delay-load dependent module. The Visual C++ Express 2010 project and solution file can be found here: https://docs.google.com/leaf?id=0B1F4pP7mRSiYMGU2YTJiNTUtOWJiMS00YTYzLThhYWQtMzNiOWJhZDU5M2M0&hl=en&authkey=CJSXhqgH The zip is 79MB and also contains its dependencies. The DLL in question is OptiTrackPlugin.dll

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  • Easy BCD Help: Dual boot Win7 and Ubuntu 11.10 -- "Add new Entry" for Ubuntu

    - by Bradley Peterson
    I first had Ubuntu 11.10 installed on a single partition on my 750GB hard drive. I then partitioned the hard drive to 500GB (for Ubuntu) in ext4 format (what it already was from the clean install of Ubuntu)....and 250GB for Win7 in NFTS format. Then I installed Win7 onto that 250GB partition. Installation went smoothly and I was successfully booted into Win7 and setting everything up. After I was done doing all the stupid updates from Microsof, I thought I was done and I wanted to go back to Ubuntu. This is where the problem starts Of course I reboot and it goes directly to Win7. I research and find that Win7 has overwritten the Ubuntu bootloader, etc etc.. I don't fully understand it. I download EasyBCD 2.1.2 In EasyBCD, I select "Add New Entry" and select "Linux/BSD" and change the type to "GRUB 2" and name it "Ubuntu" Next, I go to "BCD Deployment" and select "Install the Windows Vista/7 bootloader to the MBR" and click "Write MBR" I reboot, select "Ubuntu" and the purple screen comes up, but NOTHING HAPPENS. If I hit Ctrl+Alt+Del, it goes to the Login menu where it acts normal for about 10-15 seconds, then freezes. It does this repeatedly every time. MY QUESTION: What's wrong here? Why can't I load Ubuntu now? Am I going to have to reinstall Ubuntu with Windows, then set up the bootloader with EasyBCD instead of Ubuntu, THEN Win7? Any and all help is appreciated! -Brad

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  • iPhone Open GL ES using FBX - How do I import animations from FBX into iPhone?

    - by Dominic Tancredi
    I've been researching this extensively. We have a game that's 90% complete, using custom game logic in iPhone 4.0. We've been asked to import a 3D model and have it animate when various events happen in the game. I've put together an OpenGL view (based on Eagl and several examples), and used Blender to import the model, as well as Jeff LeMarche's script to export the .h file. After much trial, it worked, and I was able to show a rotating model (unskinned). However, the 3d artist hadn't UV unwrapped the model, so provided me a new model, this one as a Maya file, along with animation in a FBX format, a .obj file, and .tga texture unwrapped. My question is : how can I use FBX inside OpenGL ES inside iPhone to run through animations? And what's the pipeline to get this Maya file into Blender to be able to create a .h file. I've tried the obj2opengl however the model is missing normals (did it have it in the first place?) and the skin isn't applying at all (possibly a code issue, something I think I can fix). I'm trying to use Jeff LeMarche's animation tutorial but can't figure out how to get the model files into a proper .h file for use. Any advice?

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  • SQL SERVER – Get Date and Time From Current DateTime – SQL in Sixty Seconds #025 – Video

    - by pinaldave
    This is 25th video of series SQL in Sixty Seconds we started a few months ago. Even though this is 25th video it seems like we have just started this few days ago. The best part of this SQL in Sixty Seconds is that one can learn something new in less than sixty seconds. There are many concepts which are not new for many but just we all have 60 seconds to refresh our memories. In this video I have touched a very simple question which I receive very frequently on this blog. Q1) How to get current date time? Q2) How to get Only Date from datetime? Q3) How to get Only Time from datetime? I have created a sixty second video on this subject and hopefully this will help many beginners in the SQL Server field. This sixty second video describes the same. Here is a similar script which I have used in the video. SELECT GETDATE() GO -- SQL Server 2000/2005 SELECT CONVERT(VARCHAR(8),GETDATE(),108) AS HourMinuteSecond, CONVERT(VARCHAR(8),GETDATE(),101) AS DateOnly; GO -- SQL Server 2008 Onwards SELECT CONVERT(TIME,GETDATE()) AS HourMinuteSeconds; SELECT CONVERT(DATE,GETDATE()) AS DateOnly; GO Related Tips in SQL in Sixty Seconds: Retrieve Current Date Time in SQL Server CURRENT_TIMESTAMP, GETDATE(), {fn NOW()} Get Time in Hour:Minute Format from a Datetime – Get Date Part Only from Datetime Get Current System Date Time Get Date Time in Any Format – UDF – User Defined Functions Date and Time Functions – EOMONTH() – A Quick Introduction DATE and TIME in SQL Server 2008 I encourage you to submit your ideas for SQL in Sixty Seconds. We will try to accommodate as many as we can. If we like your idea we promise to share with you educational material. Image Credit: Movie Gone in 60 Seconds Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Database, Pinal Dave, PostADay, SQL, SQL Authority, SQL in Sixty Seconds, SQL Query, SQL Scripts, SQL Server, SQL Server Management Studio, SQL Tips and Tricks, T SQL, Technology, Video

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  • /users/tags should contain scores

    - by Sean Patrick Floyd
    I am implementing some simple JavaScript/bookmarklet based apps that show some reputation info, including the score in the User's top tags (roughly based on this previous bookmarklet of mine). Now I can get a user's top tags (using the API), and I can also get the per-tag score if the user is logged in, by dynamically parsing the tag's top users page. But it costs me one AJAX request per tag and I have to download 10+k to extract a single numeric value. It would save a lot of traffic if the tags in <api>/users/<userid>/tags had a score field. The data seems to be there, after all the top users pages use it, so it would just be a question of exposing the data. Suggested structure: "tags": [ { "name": { "description": "name of the tag", "values": "string", "optional": false, "suggested_buffer_size": 25 }, "score": { "description": "tag score, sum of up votes for answers on non-wiki questions", "values": "32-bit signed integer", "optional": false }, "count": { "description": "tag count, exact meaning depends on context", "values": "32-bit signed integer", "optional": false }, "restricted_to": { "description": "user types that can make use of this tag, lack of this field indicates it is useable by all", "values": "one of anonymous, unregistered, registered, or moderator", "optional": true }, "fulfills_required": { "description": "indicates whether this tag is one of those that is required to be on a post", "values": "boolean", "optional": false }, "user_id": { "description": "user associated with this tag, depends on context", "values": "32-bit signed integer", "optional": true } } ]

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  • Demantra Post Production Support Common Issues, Troubleshooting Tips, and Maintaining Your Instance

    - by Annemarie Provisero
    ADVISOR WEBCAST: Demantra Post Production Support Common Issues, Troubleshooting Tips, and Maintaining Your Instance PRODUCT FAMILY: Manufacturing - Demantra Solutions   March 2, 2011 at 8 am PT, 9 am MT, 11 am ET You have now gone live, or are preparing to go live, on Demantra. What you need to keep the application running smoothly? This one-hour session is recommended for functional users who give direction to the Demantra application and the technical users who support the application. TOPICS WILL INCLUDE: Key troubleshooting logs Keeping the database well maintained both in backup and performance When data should be removed and/or archived out of the Demantra application A short, live demonstration (only if applicable) and question and answer period will be included. Oracle Advisor Webcasts are dedicated to building your awareness around our products and services. This session does not replace offerings from Oracle Global Support Services. Click here to register for this session ------------------------------------------------------------------------------------------------------------- The above webcast is a service of the E-Business Suite Communities in My Oracle Support. For more information on other webcasts, please reference the Oracle Advisor Webcast Schedule.Click here to visit the E-Business Communities in My Oracle Support Note that all links require access to My Oracle Support.

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  • Iterative Conversion

    - by stuart ramage
    Question Received: I am toying with the idea of migrating the current information first and the remainder of the history at a later date. I have heard that the conversion tool copes with this, but haven't found any information on how it does. Answer: The Toolkit will support iterative conversions as long as the original master data key tables (the CK_* tables) are not cleared down from Staging (the already converted Transactional Data would need to be cleared down) and the Production instance being migrated into is actually Production (we have migrated into a pre-prod instance in the past and then unloaded this and loaded it into the real PROD instance, but this will not work for your situation. You need to be migrating directly into your intended environment). In this case the migration tool will still know all about the original keys and the generated keys for the primary objects (Account, SA, etc.) and as such it will be able to link the data converted as part of a second pass onto these entities. It should be noted that this may result in the original opening balances potentially being displayed with an incorrect value (if we are talking about Financial Transactions) and also that care will have to be taken to ensure that all related objects are aligned (eg. A Bill must have a set to bill segments, meter reads and a financial transactions, and these entities cannot exist independantly). It should also be noted that subsequent runs of the conversion tool would need to be 'trimmed' to ensure that they are only doing work on the objects affected. You would not want to revalidate and migrate all Person, Account, SA, SA/SP, SP and Premise details since this information has already been processed, but you would definitely want to run the affected transactional record validation and keygen processes. There is no real "hard-and-fast" rule around this processing since is it specific to each implmentations needs, but the majority of the effort required should be detailed in the Conversion Tool section of the online help (under Adminstration/ The Conversion Tool). The major rule is to ensure that you only run the steps and validation/keygen steps that you need and do not do a complete rerun for your subsequent conversion.

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  • SOA Checklist

    - by pat.shepherd
    In a recent meeting, the customer brought up a valid question: “How do I know if a problem/system is a good candidate for using SOA (vs. using old but trusted techniques).  I put this checklist together.  If you can answer yes to 2 or more of these, it might well be a good candidate.  This is V1, and I will likely update it over time.  Comments (that are not spam or sales pitches) appreciated. Part of the conversation was also around the fact that SOA has two faces to it; one is around the obvious reuse possibilities. The other, that often gets forgotten, is that SOA provides goodness in terms of simplifying integration even where opportunities to reuse those integrations are small; at least the integrations are standards-based and more flexible.  I did not write a lot of verbiage about each of them, for example “Business Process” implies that there is a set of step-wise actions that need to take place in a coordinated fashion that include integrating with systems (and sometimes people for approvals and other human-only actions) in the process.  

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  • The ship "shudders" in scrolling Asteroids

    - by Ciaran
    In my Asteroids game the user can scroll through space. When scrolling, the ship is drawn in the centre of the window. I use interpolation. I scroll the window uing glOrtho, centering it around the centre of the ship. On my first machine (7 years old, Windows XP, NVIDIA), I am doing 50 updates and 76 frames per second. This is smooth. My other machine an old compaq laptop (Pentium III) with Linux and Radeon OpenGL driver delivers 50 updates and 30 frames per second. The ship regularly seems to "shudder" back and forth when at maximum thrust. When you position the mouse cursor beside the ship it is obvious that its relative position in the window changes. Also, the stars seem blurred into short "lines". Playing the game in non-scrolling mode, the ship moves within the window, glOrtho is therefore not called repeatedly and there is no problem. I suspect a bug in my positioning of the ship and the window but I have dumped out these values and they seem to only go forward, not forward-back-forward. The driver does support double buffering. I guess if it is my bug I need to slow the frame-rate down to debug properly. My question: is this an obvious driver bug or is the slower machine uncovering a bug in my stuff and if so, some debugging tips would be appreciated. I am drawing in world co-ordinates and letting OpenGL do the scaling and translation so if I had a quick way of verifying what pixel co-ordinates OpenGL produces for the ship centre, that would help clarify this.

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  • How can I transition from being a "9-5er" to being self-employed?

    - by Stephen Furlani
    Hey, I posted this question last fall about moonlighting, and I feel like I've got a strong case to make to start transitioning from being a Full-Time Employee to being self-employed. So much so, that I find it hard to concentrate at work on the things I'm supposed to be doing. However, self-employment comes with things like no health benefits or guaranteed income... so I don't feel like I can just quit. (At least not in this economy with a house and family). I'm already working 40hrs/wk on my main job, going to school to get my MS, and trying to freelance on weekends and evenings, but I want to give it more time. If I can't take LWOP or just work less than 40hrs/wk I feel like I have to give up self-employment because I just can't give my day job all my best. Would it be reasonable to ask my employer if they can cut my hours (and pay)? Is there something else I can/should do? Has anyone done this transition and had it turn out well? or bad? I am in the USA and I understand answers are not legal advice. Thanks!

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  • Essential roles for web application team

    - by jromero
    Some friends of mine came up with an idea for a web application which we (so far) think could be great. I made the analysis and all the early stages of the development process and I'm about to start the coding. I'm talking about something that is barely a mid-level project, so I consider one developer (myself) should be enough. The thing is that we are trying to assign roles to each one of us so we can be focused on our duties and have clear our responsibilities within the team. We are a crew of four people, three of us (my friends) are business people who would do the marketing, customer relationship, management and accounting stuff and I'm basically the developer. I have in mind to get them involved into the development process by giving them documentation to write and use them as testers, all of that besides the management duties they have. Perhaps someone out there have been in the same situation, so I would appreciate if the experience is shared so we can effectively give ourselves positions in the project based on what I explained above. Which are the essential roles or the optimal team layout so the idea can be developed successfully? The question is not strictly about programming, but it's related to build a software entrepreneurship beyond the code, that is something that I'm sure plenty of us are looking. Any help is really appreciated! Regards.

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  • SQL SERVER – Plan Cache and Data Cache in Memory

    - by pinaldave
    I get following question almost all the time when I go for consultations or training. I often end up providing the scripts to my clients and attendees. Instead of writing new blog post, today in this single blog post, I am going to cover both the script and going to link to original blog posts where I have mentioned about this blog post. Plan Cache in Memory USE AdventureWorks GO SELECT [text], cp.size_in_bytes, plan_handle FROM sys.dm_exec_cached_plans AS cp CROSS APPLY sys.dm_exec_sql_text(plan_handle) WHERE cp.cacheobjtype = N'Compiled Plan' ORDER BY cp.size_in_bytes DESC GO Further explanation of this script is over here: SQL SERVER – Plan Cache – Retrieve and Remove – A Simple Script Data Cache in Memory USE AdventureWorks GO SELECT COUNT(*) AS cached_pages_count, name AS BaseTableName, IndexName, IndexTypeDesc FROM sys.dm_os_buffer_descriptors AS bd INNER JOIN ( SELECT s_obj.name, s_obj.index_id, s_obj.allocation_unit_id, s_obj.OBJECT_ID, i.name IndexName, i.type_desc IndexTypeDesc FROM ( SELECT OBJECT_NAME(OBJECT_ID) AS name, index_id ,allocation_unit_id, OBJECT_ID FROM sys.allocation_units AS au INNER JOIN sys.partitions AS p ON au.container_id = p.hobt_id AND (au.TYPE = 1 OR au.TYPE = 3) UNION ALL SELECT OBJECT_NAME(OBJECT_ID) AS name, index_id, allocation_unit_id, OBJECT_ID FROM sys.allocation_units AS au INNER JOIN sys.partitions AS p ON au.container_id = p.partition_id AND au.TYPE = 2 ) AS s_obj LEFT JOIN sys.indexes i ON i.index_id = s_obj.index_id AND i.OBJECT_ID = s_obj.OBJECT_ID ) AS obj ON bd.allocation_unit_id = obj.allocation_unit_id WHERE database_id = DB_ID() GROUP BY name, index_id, IndexName, IndexTypeDesc ORDER BY cached_pages_count DESC; GO Further explanation of this script is over here: SQL SERVER – Get Query Plan Along with Query Text and Execution Count Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, SQL, SQL Authority, SQL Optimization, SQL Performance, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL Tagged: SQL Memory

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  • Programming concepts taken from the arts and humanities

    - by Joey Adams
    After reading Paul Graham's essay Hackers and Painters and Joel Spolsky's Advice for Computer Science College Students, I think I've finally gotten it through my thick skull that I should not be loath to work hard in academic courses that aren't "programming" or "computer science" courses. To quote the former: I've found that the best sources of ideas are not the other fields that have the word "computer" in their names, but the other fields inhabited by makers. Painting has been a much richer source of ideas than the theory of computation. — Paul Graham, "Hackers and Painters" There are certainly other, much stronger reasons to work hard in the "boring" classes. However, it'd also be neat to know that these classes may someday inspire me in programming. My question is: what are some specific examples where ideas from literature, art, humanities, philosophy, and other fields made their way into programming? In particular, ideas that weren't obviously applied the way they were meant to (like most math and domain-specific knowledge), but instead gave utterance or inspiration to a program's design and choice of names. Good examples: The term endian comes from Gulliver's Travels by Tom Swift (see here), where it refers to the trivial matter of which side people crack open their eggs. The terms journal and transaction refer to nearly identical concepts in both filesystem design and double-entry bookkeeping (financial accounting). mkfs.ext2 even says: Writing superblocks and filesystem accounting information: done Off-topic: Learning to write English well is important, as it enables a programmer to document and evangelize his/her software, as well as appear competent to other programmers online. Trigonometry is used in 2D and 3D games to implement rotation and direction aspects. Knowing finance will come in handy if you want to write an accounting package. Knowing XYZ will come in handy if you want to write an XYZ package. Arguably on-topic: The Monad class in Haskell is based on a concept by the same name from category theory. Actually, Monads in Haskell are monads in the category of Haskell types and functions. Whatever that means...

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  • Cash Application Work Queue in Oracle Receivables Release 12.1.1

    - by Robert Story
    Upcoming WebcastTitle: Cash Application Work Queue in Oracle Receivables Release 12.1.1Date: March 24, 2010Time: 10:00 am EDT, 7:00 am PDT, 14:00 GMT Product Family: E-Business Suite Receivables 12.1.1 Receipts Summary Understand the setups and processes for the Cash Application Work Queue in Release 12.1.1 and learn how to diagnose basic functional issues. This one-hour session is recommended for technical and functional users. We will be covering topics related to processing receipts efficiently, managing the work load of cash application owners and diagnosing issues. Topics will include: Description of Cash Application Work Queue Setup and Work Queue Process Dependencies and Interactions Basic Troubleshooting Steps A short, live demonstration (only if applicable) and question and answer period will be included. Click here to register for this session....... ....... ....... ....... ....... ....... .......The above webcast is a service of the E-Business Suite Communities in My Oracle Support.For more information on other webcasts, please reference the Oracle Advisor Webcast Schedule.Click here to visit the E-Business Communities in My Oracle Support Note that all links require access to My Oracle Support.

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  • SQL SERVER – Four Tutorial for SQL Server 2012 New Features

    - by pinaldave
    One of the very common question I receive on my facebook is that if there is any tutorial for SQL Server 2012 new enhanced features and solutions. I see this demand a bit increasing as the SQL Server 2012 is more and more being adopted. Here is the list of four tutorial which is specifically created for SQL Server 2012 by Microsoft. Multidimensional Modeling (Adventure Works Tutorial) This tutorial teaches you how to develop and deploy an Analysis Services project that enables the employees of Adventure Works Cycles to analyze various aspects of their business. Tabular Modeling (Adventure Works Tutorial) This tutorial teaches you how to create a SQL Server 2012 Analysis Services tabular model that enable sales and marketing teams to easily analyze internet sales data in the AdventureWorksDW2012 data warehouse. You will build the tabular model in SQL Server Data Tools. Tutorials and Demos for Power View Create Power View reports and explore Power View features. View demos, videos, and tutorials that help you get started quickly with Power View and successfully build reports with interactive filters and visualizations such as bubble charts, tiles, and cards. Tutorial: Using the hierarchyid Data Type This tutorial is intended for users who are experienced with Transact-SQL, but are new to the hierarchyid data type. In this tutorial, you convert an existing table to a hierarchical structure, and you also create a new table to store and manage hierarchical data efficiently. Note: The description of the course is taken from original course description. You will need to install SQL Server 2012 AdventureWorks for all this tutorial. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, SQL Training, T SQL, Technology

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  • "Oracle", "Sybase", "SQL Server" vs just "SQL/JDBC" in the CV

    - by bobah
    How would you define a testable measure of the expertise that, if you're honest with yourself, lets you write in your CV words "Oracle", "Sybase", or "SQL Server" and not just "Relational Databases, SQL, JDBC" in your software developer's CV? What every XXX-developer (XXX - a vendor name) should know? The question is similar to http://stackoverflow.com/questions/2119859/questions-every-good-database-sql-developer-should-be-able-to-answer but is vendor-specific. Below is a start of the list as an example, demonstrate what kind of answers I am hoping to get. If you are expert in X then you know that Y (X - Y below): Sybase/SQL Server - they are very similar, Sybase is much more expensive Sybase/SQL Server - for Java you can use either native Sybase/JSQLDB driver or jTDS that is using TDS protocol and can connect to SQL Server as well, TDS traffic can be dumped and analyzed with hexdump command Sybase/SQL Server - for C++ you can use FreeTDS to connect to any, for Perl - same Sybase/SQL Server - a query can return multiple result sets and return codes, all need to be processes otherwise errors can happen Sybase/SQL Server - sp_help, sp_helptext Sybase/SQL Server - your tables/views/procedures are under DBName/dbo/... Sybase - for C++ on Linux you can use Sybase client API to connect (at least until recently) SQL Server - JDBC driver has a configurable transparent failover capability Oracle - for C++ Linux one can use OTLv4 that is a very powerful yet lightweight wrapper around Oracle client API Oracle compilation (contributors: ammoQ) PLSQL Java Stored Procedures '' is null Hierarchical Query Analytic Functions Oracle Text

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