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• Returning a flexible datatype from a C++ function

  - by GavinH

  I'm developing for a legacy C++ application which uses ODBC for it's data access. Coming from a C# background, I really miss the ADO style of data access. I'm writing a wrapper (because we can't actually use ADO) to make our data access less painful. This means no char arrays, no manual text blob streaming, and no declaritive column binding. I'm struggling with how to store / return data values. In C# at least, you can declare an object and cast it to whatever (as long as the type is convertable). My current C++ solution is to use boost::any to store the data value in a custom DataColumnValue object. This class has conversion and assignment operators to the various types used in our app (more than 10). There's a bit of complexity here because if you store an int in the boost::any and try to boost::any_cast<long> you get a boost::bad_any_cast. Client objects shouldn't have to know how the value is stored internally. Does anyone have any experience trying to store / return values whose types are only known at runtime? Is there a better / cleaner way?

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• Is it possible to keep only one Database for both web and desktop applications?

  - by B4NZ41

  I'm experiencing a trouble with my business model, let me explain better. I'm developing a software for 1 year and few months, it's for the food industry, more exactly a software to: Delivery, Take Way, Table Reservation, POS, Accounts Payable and Receivable, Prints(receipt), Kitchen Monitors Orders, Customers Orders Control and Fiscal Area. Well, I had separated the software mainly in two areas, one is web area and the other is desktop area (Used by Admins only) and local installed. 1 - Web Area (Basically do the follow:) Show Catalog with the products Customers Make Orders Customers Pay for the Orders etc ... as mentioned above 2 - Desktop Area Manage Orders Manage Customers Manage Suppliers Manage Accounts Payable and Receivable etc ... as mentioned above The web area is hosted in an online web server (scripts and database are online). The Desktop area is hosted locally in a Linux machine with a local database and local scripts files. My question is: Is it possible to keep only one Database for both applications? If YES, please what is the best approach? Follow my technical specification environment Database: Actually I have two databases working and I would love to keep only one. Operating System: Linux (Kernel 2.6.X and above) or Windows (XP and above) For the Web Area Apache, PHP, Python, Java Script, Shell Script and MySQL. For the Desktop Area: PHP-GTK2, Apache, PHP, MySQL and Shell Script.

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• Problems moving a rectangle in Pygame.

  - by Yann Core

  Hi guys! I'm making a game in Pygame and I want to be able to target enemy unit. I made it so when I click on them a variable "targeted" becomes true, and stays true until I click somewhere else on the screen. I also want targeted units to have a small green circle around them, so I made it in GEDIT. I have made a function that draws everything on the screen (the background, the player, objects, etc) and in the part where it draws the units it checks if the variable "targeted" is true and if it is it should move that little green circle over the enemy units. here is the code that does that: screen.blit(enemy_unit.pic, enemy_unit.rect) #draw the unit if enemy_unit.targeted == True: #if the unit has been targeted then draw a circle over it target_rect.move_ip(enemy_unit.pos) #move the circle to the unit target_rect.fit(enemy_unit.rect) #there are some bigger units and some smaller ones, so we have to "scale" the circle screen.blit(target_pic, target_rect) #actually draw the circle This doesn't work, when I target the unit the circle just appears for a 1/5 of second next (not on, but just next) to the unit and then disappears. I am sure that I am keeping a good track of "enemy_unit.pos" because I tested it (I added a piece of code that would print one units position and mouse's position every time i clicked the mouse and when i was near him the numbers were same). If you could give me a hint about what I'm doing wrong. I think its in move_ip function, but I tried just move and it didn't work either (the circle didn't even show at all)!

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• Simplifying data search using .NET

  - by Peter

  An example on the asp.net site has an example of using Linq to create a search feature on a Music album site using MVC. The code looks like this - public ActionResult Index(string movieGenre, string searchString) { var GenreLst = new List<string>(); var GenreQry = from d in db.Movies orderby d.Genre select d.Genre; GenreLst.AddRange(GenreQry.Distinct()); ViewBag.movieGenre = new SelectList(GenreLst); var movies = from m in db.Movies select m; if (!String.IsNullOrEmpty(searchString)) { movies = movies.Where(s => s.Title.Contains(searchString)); } if (!string.IsNullOrEmpty(movieGenre)) { movies = movies.Where(x => x.Genre == movieGenre); } return View(movies); } I have seen similar examples in other tutorials and I have tried them in a real-world business app that I develop/maintain. In practice this pattern doesn't seem to scale well because as the search criteria expands I keep adding more and more conditions which looks and feels unpleasant/repetitive. How can I refactor this pattern? One idea I have is to create a column in every table that is "searchable" which could be a computed column that concatenates all the data from the different columns (SQL Server 2008). So instead of having movie genre and title it would be something like. if (!String.IsNullOrEmpty(searchString)) { movies = movies.Where(s => s.SearchColumn.Contains(searchString)); } What are the performance/design/architecture implications of doing this? I have also tried using procedures that use dynamic queries but then I have just moved the ugliness to the database. E.g. CREATE PROCEDURE [dbo].[search_music] @title as varchar(50), @genre as varchar(50) AS -- set the variables to null if they are empty IF @title = '' SET @title = null IF @genre = '' SET @genre = null SELECT m.* FROM view_Music as m WHERE (title = @title OR @title IS NULL) AND (genre LIKE '%' + @genre + '%' OR @genre IS NULL) ORDER BY Id desc OPTION (RECOMPILE) Any suggestions? Tips?

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• How should I structure the implementation of turn-based board game rules?

  - by Setzer22

  I'm trying to create a turn-based strategy game on a tilemap. I'm using design by component so far, but I can't find a nice way to fit components into the part I want to ask. I'm struggling with the "game rules" logic. That is, the code that displays the menu, allows the player to select units, and command them, then tells the unit game objects what to do given the player input. The best way I could thing of handling this was using a big state machine, so everything that could be done in a "turn" is handled by this state machine, and the update code of this state machine does different things depending on the state. However, this approach leads to a large amount of code (anything not model-related) going into a big class. Of course I can subdivide this big class into more classes, but it doesn't feel modular and upgradable enough. I'd like to know of better systems to handle this in order to be able to upgrade the game with new rules without having a monstruous if/else chain (or switch / case, for that matter). Any ideas? What specific design pattern other than MVC should I be using?

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• Case studies for successful service (project) based software development businesses without constant overtime from its employees [closed]

  - by Ryan Taylor

  I work for an IT company that is primarily services (project) based rather than product based. All software engineers are salaried. The company has set new expectations that everyone should work 48 hours per week instead of 40. Note, this isn't occasional overtime due to crunches. This is the new 40. The reasoning is that this enables the company to provide benefits to its employees such as monetary incentives and training because the company is more profitable. more hours worked = more billable hours = larger profit I understand the need for profitability and the occasional crunch time and have put in the extra hours when it was needed and beneficial to the project. However, I am also very sensitive to work life balance and have raised my concerns about the the new expectation. My employer is open to other methods to increase profitability so I hold hope that we can turn things around before it becomes a horrible place to work. How does a services based company become more profitable without increasing the number of hours expected from it's salaried employees? Are there any case studies showing the pros and cons of consistent overtime? Are there any case studies for a successful service based business model (for software development companies) that does not require consistent overtime from its employees?

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• How can I use an object pool for optimization in AndEngine?

  - by coder_For_Life22

  I have read up on a tutorial that allows you to reuse sprites that are re-added to the scene such as bullets from a gun or any other objects using an ObjectPool. In my game i have a variation of sprites about 6 all together with different textures. This is how the object pool is set up with its own class extending Java's GenericPool class public class BulletPool extends GenericPool<BulletSprite> { private TextureRegion mTextureRegion; public BulletPool(TextureRegion pTextureRegion) { if (pTextureRegion == null) { // Need to be able to create a Sprite so the Pool needs to have a TextureRegion throw new IllegalArgumentException("The texture region must not be NULL"); } mTextureRegion = pTextureRegion; } /** * Called when a Bullet is required but there isn't one in the pool */ @Override protected BulletSprite onAllocatePoolItem() { return new BulletSprite(mTextureRegion); } /** * Called when a Bullet is sent to the pool */ @Override protected void onHandleRecycleItem(final BulletSprite pBullet) { pBullet.setIgnoreUpdate(true); pBullet.setVisible(false); } /** * Called just before a Bullet is returned to the caller, this is where you write your initialize code * i.e. set location, rotation, etc. */ @Override protected void onHandleObtainItem(final BulletSprite pBullet) { pBullet.reset(); } } As you see here it takes a TextureRegion parameter. The only problem i am facing with this is that i need to have 6 different sprites recycled and reused in the ObjectPool. This ObjectPool is set up to only use one TextureRegion. Any idea's or suggestions on how to do this?

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• Guidelines for creating referentially transparent callables

  - by max

  In some cases, I want to use referentially transparent callables while coding in Python. My goals are to help with handling concurrency, memoization, unit testing, and verification of code correctness. I want to write down clear rules for myself and other developers to follow that would ensure referential transparency. I don't mind that Python won't enforce any rules - we trust ourselves to follow them. Note that we never modify functions or methods in place (i.e., by hacking into the bytecode). Would the following make sense? A callable object c of class C will be referentially transparent if: Whenever the returned value of c(...) depends on any instance attributes, global variables, or disk files, such attributes, variables, and files must not change for the duration of the program execution; the only exception is that instance attributes may be changed during instance initialization. When c(...) is executed, no modifications to the program state occur that may affect the behavior of any object accessed through its "public interface" (as defined by us). If we don't put any restrictions on what "public interface" includes, then rule #2 becomes: When c(...) is executed, no objects are modified that are visible outside the scope of c.__call__. Note: I unsuccessfully tried to ask this question on SO, but I'm hoping it's more appropriate to this site.

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• decouple software components via nameconvention

  - by csteinmueller

  I'm currently evaluating alternatives to refactor a drivermanagement. In my multitier architecture I have Baseclass DAL.Device //my entity Interfaces BL.IDriver //handles the dataprocessing between application and device BL.IDriverCreator //creates an IDriver from a Device BL.IDriverFactory //handles the driver creation requests Every specialization of Device has a corresponding IDriver implementation and a corresponding IDriverCreator implementation. At the moment the mapping is fix via a type check within the business layer / DriverFactory. That means every new driver needs a) changing code within the DriverFactory and b) referencing the new IDriver implementation / assembly. On a customers point of view that means, every new driver, used or not, needs a complex revalidation of their hardware environment, because it's a critical process. My first inspiration was to use a caliburn micro like nameconvention see Caliburn.Micro: Xaml Made Easy BL.RestDriver BL.RestDriverCreator DAL.RestDevice After receiving the RestDevicewithin the IDriverFactory I can load all driver dlls via reflection and do a namesplitting/comparing (extracting the xx from xxDriverCreator and xxDevice) Another idea would be a custom attribute (which also leads to comparing strings). My question: is that a good approach above layer borders? If not, what would be a good approach?

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• Best setup/workflow for distributed team to integrated DSVC with fragmented huge .NET site?

  - by lazfish

  So we have a team with 2 developers one manager. The dev server sits in a home office and the live server sits in a rack somewhere handled by the larger part of my company. We have freedom to do as we please but I want to incorporate Kiln DSVC and FogBugz for us with some standard procedures to make sense of our decisions/designs/goals. Our main product is web-based training through our .NET site with many videos etc, and we also do mobile apps for multiple platforms. Our code-base is a 15 yr old fragmented mess. The approach has been rogue .asp/.aspx pages with some class management implemented in the last 6 years. We still mix our html/vb/js all on the same file when we add a feature/page to our site. We do not separate the business logic from the rest of the code. Wiring anything up in VS for Intelli-sense or testing or any other benefit is more frustrating than it is worth, because of having to manually rejigger everything back to one file. How do other teams approach this? I noticed when I did wire everything up for VS it wants to make a class for all functions. Do people normally compile DLLs for page-specific functions that won't be reusable? What approaches make sense for getting our practices under control while still being able to fix old anti-patterns and outdated code and still moving towards a logical structure for future devs to build on?

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• How to set up a personal Apple developer account now with an eye on transferring app ownership to a company later?

  - by Rinzwind

  I have two Mac applications that I wrote for my own personal use, but I'm considering polishing them up and giving selling them on the Mac App Store a try. It seemed very premature to consider what would happen if either app would become successful enough to make it possible to set up a business around it, or to sell it to another developer. That is, until I read that Apple doesn't make it easy to transfer app ownership. I'm not sure how to best register with the Apple Developer program now to avoid any possible hassle in this respect later. From what I understand, one can really only transfer ownership of a developer account. I'm not sure about the relationship between an Apple ID and an Apple developer account. Does this mean I should at least not use the Apple ID I'm already using for iTunes, but create a second one to use for registering as an Apple Developer? Is there any disadvantage to using separate Apple IDs like this on the same Mac (one ID for Xcode development, the other ID for iTunes/iCloud/App Store/...)? Should one go as far as having a separate Apple ID & Apple developer account per app one develops? Or is there some other solution to take into account the possibility of transferring app ownership?

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• Should I use my real name in my open source project?

  - by Jardo

  I developed a few freeware programs in the past which I had signed with my pseudonym Jardo. I'm now planning to release my first open source project and was thinking of using my full real name in the project files (as the "author"). I thought it would be good to use my name as my "trademark" so if someone (perhaps a future headhunter) googles my name, they'll find my projects. But on the other side, I feel a bit paranoid about disclosing my name (in the least case I could be getting a lot of spam to my email, its not that hard to guess your private email from your name). What do you think can be "dangerous" on disclosing your full name? What are the pros and cons? Do you use your real name or a pseudonym in your projects? I read this question: What are the advantages and disadvantages to using your real name online? but that doesn't apply to me bacause it's about using your real name online (internet discussions, profiles, etc.) where I personally see no reason to use my real name... And there is also this question: Copyrighting software, templates, etc. under real name or screen name? which deals with creating a business or a brand which also doesn't apply to me because I will never sell/give away my open source project and if someone else joins in, they can write their name as co-author without any problems...

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• How can one find software development work that involves directly the final end user?

  - by RJa

  I've worked in software development for 15 years and, while there have been signficant personal achievements and a lot of experience, I've always felt detached from the man/woman-on-the-street, the every day person, how it affects their lives, in a number of ways: the technologies: embedded software, hidden away, stuff not seen by the everyday person. Or process technology supporting manufactured products the size of the systems, meaning many jobs, divided up, work is abstract, not one person can see the whole picture the organisations: large, with departments dealing with different areas, the software, the hardware, the marketing, the sales, the customer support the locations and hours: out-of-town business parks away from the rest of society, fixed locations, inflexible: 9-5 everyday This to me seems typical of the companies I worked for and see elsewhere. Granted, there are positives such as the technology itself and usually being among high calibre co-workers, but the above points frustrate me about the industry because they detach the work from its meaning. How can one: change these things in an existing job, or compensate for them? find other work that avoids these and connects with the final end user? Job designs tend to focus on the job content and technical requirements rather than how the job aims to fulfil end user needs, is meaningful.

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• C++ Parallel Asynchonous task

  - by Doodlemeat

  I am currently building a randomly generated terrain game where terrain is created automatically around the player. I am experiencing lag when the generated process is active, as I am running quite heavy tasks with post-processing and creating physics bodies. Then I came to mind using a parallel asynchronous task to do the post-processing for me. But I have no idea how I am going to do that. I have searched for C++ std::async but I believe that is not what I want. In the examples I found, a task returned something. I want the task to change objects in the main program. This is what I want: // Main program // Chunks that needs to be processed. // NOTE! These chunks are already generated, but need post-processing only! std::vector<Chunk*> unprocessedChunks; And then my task could look something like this, running like a loop constantly checking if there is chunks to process. // Asynced task if(unprocessedChunks.size() > 0) { processChunk(unprocessedChunks.pop()); } I know it's not far from easy as I wrote it, but it would be a huge help for me if you could push me at the right direction. In Java, I could type something like this: asynced_task = startAsyncTask(new PostProcessTask()); And that task would run until I do this: asynced_task.cancel();

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• Applying for job: how to showcase work done for (private) past clients?

  - by user33445566

  I want to apply for my first "real" (read: non-freelance) Ruby on Rails job. I've built several apps already. My best work (also the most logically complicated app) was for a freelance client, and I'd like to show it to potential employers. Only problem is: it isn't online anymore. And I've lost touch with the client. How can I include this work in my portfolio? About the app: It's a Facebook game. The client's business idea for this app was not the best. It was never going to make any money. I think it was kind of a vanity side project for him. The logo and graphics are nice-looking, though, and were designed by the client. I've actually spent a lot of time recently recoding most of the app, and adding a full test suite. I want to showcase the BDD / TDD skills I've acquired. I'm not very familiar with the etiquette (/law?) concerning this situation. Can I just put my new version of the app up at a free Heroku URL (perhaps with a "credits" section, where I credit the ideas and graphic designs to my former client)? NOTE: Again, this is just to show potential employers. I am not trying to market the app as my idea, or attract any users. Can I put some or all of the code on GitHub? What if I don't put the code up publicly, but merely send a tarball to potential employers? Do I need to ask permission from my former client (and what if he says no)? The last thing I want to do is get in any legal trouble, or offend people I'm trying get a job from. But I believe that my work and experience on this app are my highest recommendation for getting a job.

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• Re: # 47209 How to copy an Existing HD to a new one and have it be bootable?

  - by user281151

  Help please! My backup method of choice is to clone my "working" drive to another identical drive. I have 2 windows drives and I clone my working one to the other one once per month. No problem - each will boot if I select it. Now with the lack of future support for XP, I am getting familiar with Ubuntu 14.04 LTS. I have it on one drive and I have a second identical drive that I want to be able to clone it to once/month. Not as necessary to do this with Ubuntu as with windows, I know, but I'm anal. So I have followed #47209 MestreLion's procedure with just the two Ubuntu drives "on line". I.e., boot my "working" drive with Live CD, use Gparted to be sure I know what's what, open terminal and enter and execute the dd command, Go to bed till the clone is done, shut down the computer, disconnect the input/source drive, boot up using BIOS to select the remaining output drive. The drive starts fine but all is not OK. It puts up a screen that says I'm on a Guest Session and asks for a password. Well, for one thing I have my Ubuntu set up to start without a password being entered. I have one, of course, I put it in but it isn't accepted. I can't get by this Guest Session screen. I am fine, of course. I can disconnect this drive, hook up my "main" ubuntu drive and all the rest, and go on with my business. But I don't have the desired "emergency backup" drive working where I could jump on and use it immediately if I needed it. Can someone give me some guidance here?? What (else) do I need to do. Love Ubuntu but learning. Thanks, Wes.

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• what will EcmaScript 6 bring to the table for us

  - by user697296

  Our company ported moderate chunks of business logic to JavaScript. We compile the code with a minifier, which further improves performance. Since the language is dynamically typed, it lends itself well to obfuscation, which occurs as a byproduct of minification. We went to great efforts to ensure it positively screams, performance-wise. We can now do what we did before, faster, better, with less code, on more platforms. In summary, we are very satisfied with the current state of the language. I personally love the language especially for its cross-platform nature. So naturally, I read up a lot about the state of JavaScript compilers, performance and compatibility across as many browsers and platforms as I have time to research. The one theme which has been growing louder and louder these days, is the news about ECMAScript 6. So far, what I have been able to gather is that ES6 promises a better development experience; firstly by enabling new ways to do things, secondly by reporting errors early. This sounds great for those who are still waiting for the language to meet their needs before jumping on board. But we have already jumped on board in a big way. Sure, I expect that we will have to do ongoing maintenance and feature revisions on our code through the years, and that we would obviously make use of best practices at the time. But I don't see us refactoring major portions of it to take advantage of language features that are mostly intended to boost developer productivity. I keep wondering, what impact will the language advances ultimately have on our existing, well-written, well-performing code base? Is there something I am missing? Is there something we ought to look out for? Does anyone have tips or guidance on how we should approach the ecmascript.next finalization? Should we care?

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• Getting Requirements Right

  - by Tim Murphy

  Originally posted on: http://geekswithblogs.net/tmurphy/archive/2013/10/28/getting-requirements-right.aspxI had a meeting with a stakeholder who stated “I bet you wish I wasn’t in these meetings”.  She said this because she kept changing what we thought the end product should look like.  My reply was that it would be much worse if she came in at the end of the project and told us we had just built the wrong solution. You have to take the time to get the requirements right.  Be honest with all involved parties as to the amount of time it is taking to refine the requirements.  The only thing worse than wrong requirements is a surprise in budget overages.  If you give open visibility to your progress then management has the ability to shift priorities if needed. In order to capture the best requirements use different approaches to help your stakeholders to articulate their needs.  Use mock ups and matrix spread sheets to allow them to visualize and confirm that everyone has the same understanding.  The goals isn’t to record every last detail, but to have the major landmarks identified so there are fewer surprises along the way. Help the team members to understand that you all have the same goal.  You want to create the best possible solution for the given business problem.  If you do this everyone involved will do there best to outline a picture of what is to be built and you will be able to design an appropriate solution to fill those needs more easily. Technorati Tags: requirements gathering,PSC Group,PSC

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• What service or software should I use to serve advertising on a site with about 120k monthly page views?

  - by JasonBirch

  I have a site that is generating about 120k monthly page views and is being hosted on a shared FreeBSD server where I have access to PHP and MySQL. I am using some custom PHP server-side scripts that give each of my ad networks (AdSense, Tribal Fusion, etc) an adjustable percentage of impressions in each of the ad positions on my pages. I am looking for a better way of managing and measuring the delivery of these ads, and would also like to be able to take direct placements and provide statistics to the clients. I am looking at options including OpenX self-hosted, OpenX community, and Google DoubleClick for Publishers Small Business (DFP), but am having difficulty determining which one will best meet my needs. They all seem to have pretty steep learning curves compared to my simple scripts. What I have taken away so far as the benefit of self-hosting is that I don't have to pay for the service if I exceed a maximum number of ad impressions, while both OpenX Community and DFP have free impression limits. Of course, if I was doing those kind of numbers I'd need to upgrade my hosting account, but I'm not sure even at that point whether it would be cheaper to serve the ads myself than pay for a premium service. Apart from this, I really need insights into what features differentiate these services, why I might want to choose one over another, and if there are any other competing products or service of the same quality that I should look into. Answers from webmasters who have used both (or all three) services and can talk to usability and ease of ad management would be highly appreciated.

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• Oracle Linux Partner Pavilion Spotlight III

  - by Ted Davis

  Three days until Oracle OpenWorld 2012 begins. The anticipation and excitement are building. In today's spotlight we are presenting an additional three partners exhibiting in the Oracle Linux Partner Pavilion at Oracle OpenWorld ( Booth #1033). Fujitsu will showcase a Gold tower system representing the one-millionth PRIMERGY server shipped, highlighting Fujitsu’s position as the #4 server vendor worldwide. Fujitsu’s broad range of server platforms is reshaping the data center with virtualization and cloud services, including those based on Oracle Linux and Oracle VM. BeyondTrust, the leader in providing context aware security intelligence, will be showcasing its threat management and policy enablement solutions for addressing IT security risks and simplifying compliance. BeyondTrust will discuss how to reduce security risks, close security gaps and improve visibility across your server and database infrastructure. Please stop by to see live demonstrations of BeyondTrust’s award winning vulnerability management and privilege identity management solutions supported on Oracle Linux. Virtualized infrastructure with Oracle VM and NetApp storage and data management solutions provides an integrated and seamless end user experience. Designed for maximum efficiency to allow for native NetApp deduplication and backup/recovery/cloning of VM’s or templates. Whether you are provisioning one or multiple server pools or dynamically re-provisioning storage for your virtual machines to meet business demands, with Oracle and NetApp, you have one single point-and-click console to rapidly and easily deploy a virtualized agile data infrastructure in minutes. So there you have it!  The third install of our Partner Spolight. Check out Part I and Part II of our Partner Spotlights from previous days if you've missed them. Remember to visit the Oracle Linux team at Oracle OpenWorld.

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• Enablement 2.0 Get Specialized!

  - by mseika

  Enablement 2.0 Get Specialized! The Oracle PartnerNetwork Specialized program is releasing new certifications on our latest products, and partners are invited to be the first candidates to get certified. Oracle's Certified Exams go through a rigorous review process called a "beta period". Here are a few advantages of taking a Beta Exam: Certification exams taken during the beta period count towards company Specializations. Most new Certified Specialist Exams have no training requirement. Beta Exams Vouchers are available in limited quantity, so request a voucher today by contacting the Partner Enablement Team and act fast to reserve your test from the list below. FREE Certification Testing Are you attending OPN Exchange @ OpenWorld? Then join us at OPN Specialist Test Fest! October 1st - 4th 2012, Marriott Marquis Hotel Pre-register now! Beta testing period will end on October, 6th, 2012 for the following exams: Oracle E-Business Suite R12 Project Essentials (1Z1-511) Beta testing period will end on October, 13th, 2012 for the following exams: Oracle Hyperion Data Relationship Management Essentials (1Z1-588) Beta testing period will end on November, 17th, 2012 for the following exams: Oracle Global Trade Management 6 Essentials (1Z1-589) Exams Coming Soon in Beta Oracle Fusion Distributed Order Orchestration Essentials Exam (1Z1-469) Take the exam(s) now at a near-by Pearson VUE testing center! Contact Us Please direct any inquiries you may have to the Oracle Partner Enablement team at [email protected] For More Information Oracle Certification Program Beta Exams OPN Certified Specialist Exam Study Guides OPN Certified Specialist FAQ

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• Windows Phone 7 v. Windows 8 Metro &ldquo;Same but Different&rdquo;

  - by ryanabr

  I have been doing development on both the Windows Phone 7 and Windows 8 Metro style applications over the past month and have really been enjoying doing both. What is great is that Silverlight is used for both development platforms. What is frustrating is the "Same but Different" nature of both platforms. Many similar services and ways of doing things are available on both platforms, but the objects, namespaces, and ways of handling certain cases are different. I almost had a heart attack when I thought that XmlDocument had been removed from the new WinRT. I was relived (but a little annoyed)  when I found out that it had shifted from the "System.Xml" namespace to the "Windows.Data.Xml.Dom" namespace. In my opinion this is worse than deprecating and reintroducing it since there isn't the lead time to know that the change is coming, maker changes and adjust. I also think the breaks the compatibility that is advertised between the WinRT and .NET framework from a programming perspective, as the code base will have to be physically different if compiled for one platform versus the other. Which brings up another issue, the need for separate DLLs with for the different platforms that contain the same C# code behind them which seems like the beginning of a code maintenance headache. Historically, I have kept source files "co-located" with the projects that they are compiled into. After doing some research, I think I will end up keeping "common" files that need to be compiled in to DLLs for the different platforms in a seperate location in TFS, not directly included in any one Visual Studio project, but added as links in the project that would get compiled into the windows 7 phone, or Windows 8. This will work fine, except for the case where dependencies don't line up for each platform as described above, but will work fine for base classes that do the raw work at the most basic programming level.

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• How to reset a List c# and XNA [on hold]

  - by P3erfect

  I need to do a "retry" option when the player finishes the game.For doing this I thought to reset the lists of Monsters and other objects that moved at the first playing or which have been "killed".for example I have a list like that: //the enemy1 class is already done // in Game1 I declare it List<enemy1> enem1 = new List<enemy1>(); //Initialize method List<enemy1> enem1 = new List<enemy1>(); //LoadContent foreach (enemy1 enemy in enem1) { enemy.Load(Content); } enem1.Add(new enemy1(Content.Load<Texture2D>("enemy"), new Vector2(5900, 12600))); //Update foreach (enemy1 enemy in enem1) { enemy.Update(gameTime); } //after being shoted the enemies disappear and i remove them //if the monsters are shoted the bool "visible" goes from false to true for (int i = enem1.Count - 1; i >= 0; --i) { if (enem1[i].visible == true) enem1.RemoveAt(i); } //Draw foreach (enemy1 enemy in enem1) { if(enemy.visble==false) { enemy.Draw(spriteBatch, gameTime); } } //So my problem is to restart the game. I did this in Update method if(lost==false) { //update all the things... } if(lost==true)//this is if I die { //here I have to put the code that restore the list //I tried: foreach (enemy1 enemy in enem1) { enemy.visible=false; } player.life=3;//initializing the player,points,time player.position=initialPosition; points=0; time=0; }//the player works.. } } they should be drawn again but if I removed them they won't be drawn anymore.If I don't remove them ,instead, the enemies are in different places (because they follow me). Any suggestions to restore or reinitialize the list??

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• More Win 8 Education is Needed

  - by D'Arcy Lussier

  “My mail doesn’t work”. That’s what a colleague running Windows 8 said to me the day after he installed Windows 8 on his work laptop. “When I click my email, nothing comes up.” I took a look and realized what was going on – he was clicking the Windows 8 UI Mail app and assumed that this was somehow connected to his Outlook which was installed as a desktop app. And so highlights a major educational challenge that Windows 8 will encounter – millions of users used to one style of interface now being introduced to a new one that runs side-by-side with their desktop. At work we had an internal tech user group meeting, and we were showing new features of VS.NET 2012 and Windows 8. When we started talking about the difference between Windows 8 UI Apps (AKA Windows Store Apps), people started asking some good questions: - Can we share a codebase between desktop and Windows Store Apps? - What’s the difference between WinRT and .NET? - Why would we create a Windows Store App and not just a Desktop app? Of course, people are looking at this from a traditional desktop point of view and not a tablet platform, which is really the market that Windows Store Apps will shine on. Still, for developers who not only need to educate themselves but also educate their clients, we’re going to need a better understanding of Windows 8 to see it get real traction within the business/enterprise market. D

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• Oracle OpenWorld 2012?????WebLogic Server???3??????

  - by ???02

  ???????2012?9?30???10?4?(????)???4???????????????????????????Oracle OpenWorld 2012???????????????????????WebLogic Server????????????????????????????????????(Fusion Middleware?????????????????????????????)?????(???) ??????????????WebLogic Server?????? ??????Fusion Middleware??????????????????????????????????? ???????????OpenWorld??????WebLogic Server????????????????????????????(HTML5)???Oracle Database??????????3???????????????????????????? OpenWorld 2012?????????CEO????·??????????????·?????Oracle Cloud??????????SaaS?PaaS????IaaS???????????????? ??????????????????/?????????????????????????????????WebLogic Server????????????????????????????????????????·??????????????????????????????Oracle Exalogic Elastic Cloud?????????????????????????????????????????·???????????????????????? ???????????????·??????????·???????????????????????????????????????WebLogic Server?Oracle Enterprise Manager??????????????????????? ?????????????????????????????????·???????????????????????????????????????(???)????????????????????·???????????????????????????? ??????????·????????????????????????????????????????????????????????????????????Java EE????????????????????????·???????Oracle E-Business Suite????????????·???????????????????????????????????????????????????????????????????????? ??????????????????????????????????·????????????????????????????????????????????????????????????????????????????????????? ?WebLogic Server?Oracle Enterprise Manager?????????Exalogic?????????????????????????·????????????????????????????????????????????????????????????????????????????????????????????????????????OpenWorld?????????Exalogic???????????????????????/?????????????????????????????WebLogic Server?????????????????????????????????????(???) ?????????????????OpenWorld 2012???Java???????Oracle Developer Cloud Service???????????????·?????????????????????????·???????·??????????????????????????????·????·????????????????????????????Java??????????????????????????????????????????????????????????????????????????WebLogic Server????????????????? WebSockets?SSE???????Java EE???????? ????????Java??????????Java EE??????????????Java EE 7???????????????????????7???Java EE??????????????????·?????????????????????????????????????????????HTML5???????????????????????? ??????????Java EE??????????????WebLogic Server???????????12.1.2?????Java EE 7??????????Web???????????????????WebSockets???HTTP?????????????Server Sent Events(SSE)????????????????????????????OpenWorld 2012?????????WebSockets?SSE???????????????????????????Web???????????????????????????????????????????????????????????????? ???WebLogic Server?????????2013?????????????????Java EE 7??????????????????????Java?????????????????????????????????????WebLogic Server?????????????????????? ???WebLogic Server?????????????????Oracle TopLink DataService?????????????????????????????XML?JSON??????????????????????Java??????????????·????????????????????????????????????????????????????·????????????????????????? Oracle Database??????????? WebLogic Server???????????·??????????????????1???Oracle Database????????????????OpenWorld 2012?????????Oracle Database????????????????????? WebLogic Server????Oracle Real Application Clusters(RAC)?????????????????????????????????????Active GridLink for RAC??????????????????????????????????????????????????????????·?????????????Oracle RAC?????????????????·??????????????????????????????????????Oracle RAC????????????? OpenWorld 2012?????Active GridLink for RAC???????????????????????????????Application Continuity??????????????? ?????????????·???????????????Oracle RAC?????????????????????????????????????????????????????????????????Application Continuity?????JDBC???????????????????????????Oracle RAC??????????????????????????????????????????Oracle Coherence?????????????????????????????????·????????????????(???) ?????????????????·???????????????Java????????????WebLogic Server???????????????? ????????????????????????????????????????????/???????????????????WebLogic Server?????????????????????????? ??????·???????????????·????????????Java EE?????????????OpenWorld 2012????????WebLogic Server?????????????????????????????????????????????????????????????Java EE??????????????????????WebLogic Server????????????????????????????Java EE?????????????Java EE???????????????????????????(???) ????????·????????????????????????????????????Java EE????WebLogic Server?????????????????????????????????

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