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• Oracle Coherence 3.5 PreSales Boot Camp - Live Virtual Training (12-13/Mai/10)

  - by Claudia Costa

  Oracle Coherence is an in-memory data grid solution that enables organizations to predictably scale mission-critical applications by providing fast access to frequently used data. By automatically and dynamically partitioning data, Oracle Coherence ensures continuous data availability and transactional integrity, even in the event of a server failure. It provides organizations with a robust scale-out data abstraction layer that brokers the supply and demand of data between applications and data sources. Register today!   What will we cover The Oracle Coherence 3.5 Boot Camp is a FREE workshop which provides a quick hands-on technical ramp up on Oracle Coherence Data Grid.The Boot Camp provides a product overview, positioning and demo, discussion of customer uses and hands on lab work. Participants will leave the Oracle Coherence Boot Camp with a solid understanding of the product and where and how to apply it.It will provide an overview of the product as well as hands-on lab work.   • Architecting applications for scalability, availability, and performance • Introduction to Data Grids and Extreme Transaction Processing (XTP) • Coherence Case Studies • Oracle Coherence Product Demonstration • Coherence implementation strategies and architectural approaches • Coherence product features and APIs • Hands-on labs that will include product installation, configuration, sample applications, code examples, and more.   Who should attend This boot camp is intended for prospective users and implementers of Oracle Coherence Data Grid or implementers that have had limited exposure to Coherence and seek to gain a Technical Overview of the product with hand on exercises. Ideal participants are Oracle partners (SIs and resellers) with backgrounds in business information systems and a clientele of customers with ongoing or prospective application and/or data grid initiatives. Alternatively, partners with the background described above and an interest in evolving their practice to a similar profile are suitable participants.   Prerequisites and Workstation requirements There are no prerequisite classes for this Boot Camp. However, labs rely upon usage of the Java programming language. Therefore participants should be familiar with the Java language or similar Object Oriented programming languages. Additionally, students experience with enterprise data storage and manipulation is and knowledge of relevant concepts will benefit most from the boot camp. In order to attend this boot camp you need to have the necessary software installed on your laptop prior to attending the class. Please revise the Workstation Requirements page and register today! Agenda - May 12 - 8:30 May 13 - 12:30 *To view the full agenda and to register click here.    

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• Going Inside the Store

  - by David Dorf

  Location was the first "killer-tech" for smartphones, and innovators have found several ways to use it. For retail, apps exist to find nearby stores, provide coupons, and give directions to the front door. But once you enter the store, location-finding ceases to work. That's because your location is usually found by finding GPS satellites in they sky, and the store's roof blocks the signal. But it won't take technology long to solve that problem. The first problem to solve is a lack of indoor maps. Navteq and others provide very accurate maps of the outdoors, enabling navigation for cars and pedestrians. Micello is building a business creating digital maps of indoor locations like malls, convention centers, office buildings. They have over 500 live maps, including maps of IKEA stores. They claim it took them only four hours to create a map of the Stanford Shopping Center in Palo Alto with its 1.4 million square feet and 140 retail stores. And within stores, retailers are producing more accurate plan-o-grams. I'm always impressed watching demos of our space planning from AVT. It uses CAD software to allow you to walk the virtual store and see products on the shelves. The second problem is being able to determine location inside the store so it can be overlayed on the map. There are several goals for this endeavor. Your smartphone might direct you straight to particular products, it might summon a sales associate to your location for immediate assistance, and it might send you coupons based on the aisle you're viewing. Companies like Nearbuy, ZuluTime, and Skyhook are working to master indoor location using a combination of GPS signals, WiFi, and cell tower positioning to calculate a location. (Skyhook calls this WPS, as depicted in the chart.) Today they can usually hit 10 meters accuracy, but that number is improving all the time. When it gets inside 3 meters some the goals mentioned earlier will be in easy reach. I for one can't wait until the time my iPhone leads me directly to the sprinkler heads in Lowes and Home Depot.

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• Transparent Technology from Amazon

  - by David Dorf

  Amazon has been making some interesting moves again, this time in the augmented humanity area.  Augmented humanity is about helping humans overcome their shortcomings using technology.  Putting a powerful smartphone in your pocket helps you in many ways like navigating streets, communicating with far off friends, and accessing information.  But the interface for smartphones is somewhat limiting and unnatural, so companies have been looking for ways to make the technology more transparent and therefore easier to use. When Apple helped us drop the stylus, we took a giant leap forward in simplicity.  Using touchscreens with intuitive gestures was part of the iPhone's original appeal.  People don't want to know that technology is there -- they just want the benefits.  So what's the next leap beyond the touchscreen to make smartphones even easier to use? Two natural ways we interact with the world around us is by using sight and voice.  Google and Apple have been using both in their mobile platforms for limited uses cases.  Nobody actually wants to type a text message, so why not just speak it?  Any if you want more information about a book, why not just snap a picture of the cover?  That's much more accurate than trying to key the title and/or author. So what's Amazon been doing?  First, Amazon released a new iPhone app called Flow that allows iPhone users to see information about products in context.  Yes, its an augmented reality app that uses the phone's camera to view products, and overlays data about the products on the screen.  For the most part it requires the barcode to be visible to correctly identify the product, but I believe it can also recognize certain logos as well.  Download the app and try it out but don't expect perfection.  Its good enough to demonstrate the concept, but its far from accurate enough.  (MobileBeat did a pretty good review.)  Extrapolate to the future and we might just have a heads-up display in our eyeglasses. The second interesting area is voice response, for which Siri is getting lots of attention.  Amazon may have purchased a voice recognition company called Yap, although the deal is not confirmed.  But it would make perfect sense, especially with the Kindle Fire in Amazon's lineup. I believe over the next 3-5 years the way in which we interact with smartphones will mature, and they will become more transparent yet more important to our daily lives.  This will, of course, impact the way we shop, making information more readily accessible than it already is.  Amazon seems to be positioning itself to be at the forefront of this trend, so we should be watching them carefully.

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• Kauffman Foundation Selects Stackify to Present at Startup@Kauffman Demo Day

  - by Matt Watson

  Stackify will join fellow Kansas City startups to kick off Global Entrepreneurship WeekOn Monday, November 12, Stackify, a provider of tools that improve developers’ ability to support, manage and monitor their enterprise applications, will pitch its technology at the Startup@Kauffman Demo Day in Kansas City, Mo. Hosted by the Ewing Marion Kauffman Foundation, the event will mark the start of Global Entrepreneurship Week, the world’s largest celebration of innovators and job creators who launch startups.Stackify was selected through a competitive process for a six-minute opportunity to pitch its new technology to investors at Demo Day. In his pitch, Stackify’s founder, Matt Watson, will discuss the current challenges DevOps teams face and reveal how Stackify is reinventing the way software developers provide application support.In October, Stackify had successful appearances at two similar startup events. At Tech Cocktail’s Kansas City Mixer, the company was named “Hottest Kansas City Startup,” and it won free hosting service after pitching its solution at St. Louis, Mo.’s Startup Connection.“With less than a month until our public launch, events like Demo Day are giving Stackify the support and positioning we need to change the development community,” said Watson. “As a serial technology entrepreneur, I appreciate the Kauffman Foundation’s support of startup companies like Stackify. We’re thrilled to participate in Demo Day and Global Entrepreneurship Week activities.”Scheduled to publicly launch in early December 2012, Stackify’s platform gives developers insights into their production applications, servers and databases. Stackify finally provides agile developers safe and secure remote access to look at log files, config files, server health and databases. This solution removes the bottleneck from managers and system administrators who, until now, are the only team members with access. Essentially, Stackify enables development teams to spend less time fixing bugs and more time creating products.Currently in beta, Stackify has already been named a “Company to Watch” by Software Development Times, which called the startup “the next big thing.” Developers can register for a free Stackify account on Stackify.com.###Stackify Founded in 2012, Stackify is a Kansas City-based software service provider that helps development teams troubleshoot application problems. Currently in beta, Stackify will be publicly available in December 2012, when agile developers will finally be able to provide agile support. The startup has already been recognized by Tech Cocktail as “Hottest Kansas City Startup” and was named a “Company to Watch” by Software Development Times. To learn more, visit http://www.stackify.com and follow @stackify on Twitter.

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• What&rsquo;s new in RadChart for 2010 Q1 (Silverlight / WPF)

  Greetings, RadChart fans! It is with great pleasure that I present this short highlight of our accomplishments for the Q1 release :). Weve worked very hard to make the best silverlight and WPF charting product even better. Here is some of what we did during the past few months.   1) Zooming&Scrolling and the new sampling engine: Without a doubt one of the most important things we did. This new feature allows you to bind your chart to a very large set of data with blazing performance. Dont take my word for it give it a try!   2) New Smart Label Positioning and Spider-like labels feature: This new feature really helps with very busy graphs. You can play with the different settings we offer in this example.   3) Sorting and Filtering. Much like our RadGridview control the chart now allows you to sort and filter your data out of the box with a single line of code!   4) Legend improvements Weve also been paying attention to those of you who wanted a much improved legend. It is now possible to customize the look and feel of legend items and legend position with a single click.   5) Custom palette brushes. You have told us that you want to easily customize all palette colors using a single clean API from both XAML and code behind. The new custom palette brushes API does exactly that.   There are numerous other improvements as well, as much improved themes, performance optimizations and other features that we did. If you want to dig in further check the release notes and changes and backwards compatibility topics.   Feel free to share the pains and gains of working with RadChart. Our team is always open to receiving constructive feedback and beer :-)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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• Dawn of the Enterprise Social Developer

  - by Mike Stiles

  Social is not just for poking friends, posting videos of cats playing pianos, or even just for brand marketing anymore. It has become a key form of communication internally and externally across every area of the enterprise. As a Java developer, are you positioning yourself for the integration of social into enterprise business systems that’s on the near horizon? Because it’s the work you do and the applications you build that will influence what the social-enabled enterprise is going to look like and how it’s going to operate. But as a social developer, step one is wrapping your arms around all the things that are possible. Traditionally, the best exploration, brainstorming and innovation come from collaborating with other developers. That’s how the big questions can be hashed (or hacked) out. Is Java the best social development environment? If not, what is? What’s already being done in terms of application integration? The JavaOne Social Developer Program will offer up a series of talks and events on those very issues Tuesday, October 2 at the San Francisco Hilton. If you’re interested in embarking on this newest frontier of enterprise social development, you can connect with others who are thinking the same thing and get moving on your first project.Talks will include: Emergence Of The Social EnterpriseExtending Social into Enterprise Applications and Business ProcessesIntro to Open Graph and Facebook's APIs Building the Next Wave of Social Commerce Platforms Social Data and the Enterprise LinkedIn: A Professional Network Built with Java Technologies and Agile Practice Social Developer Hackathon In addition to these learning and discussion opportunities, you might consider joining the new Oracle Social Developer Community (OSDC), where the interaction and collaboration can continue indefinitely. It doesn’t take a lot of tea leaf reading to know that the cloud will house the enterprise technology of the future, and social (as well as the rich data it brings) is going to be a major part of that as social integrates across every business function as there’s proven value for consumer facing initiatives. The next phase of social development is going to involve combining enterprise data from multiple sources, new and existing, social and traditional, in order to tell compelling and usable stories. And social is coming to the enterprise quickly, meaning you as a development leader should seek to understand not just what's worked on the consumer side, but what aspects of those successes can be applied inside the organization. Get educated, get connected, and consider registering for this forward-looking event now to get started with enterprise social development.

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• Business Strategy - Google Case Study

  Business strategy defined by SMBTN.com is a term used in business planning that implies a careful selection and application of resources to obtain a competitive advantage in anticipation of future events or trends. In more general terms business strategy is positioning a company so that it has the greatest competitive advantage over others in the markets and industries that they participate in. This process involves making corporate decisions regarding which markets to provide goods and services, pricing, acceptable quality levels, and how to interact with others in the marketplace. The primary objective of business strategy is to create and increase value for all of its shareholders and stakeholders through the creation of customer value. According to InformationWeek.com, Google has a distinctive technology advantage over its competitors like Microsoft, eBay, Amazon, Yahoo. Google utilizes custom high-performance systems which are cost efficient because they can scale to extreme workloads. This hardware allows for a huge cost advantage over its competitors. In addition, InformationWeek.com interviewed Stephen Arnold who stated that Google’s programmers are 50%-100% more productive compared to programmers working for their competitors.  He based this theory on Google’s competitors having to spend up to four times as much just to keep up. In addition to Google’s technological advantage, they also have developed a decentralized management schema where employees report directly to multiple managers and team project leaders. This allows for the responsibility of the technology department to be shared amongst multiple senior level engineers and removes the need for a singular department head to oversee the activities of the department.  This is a unique approach from the standard management style. Typically a department head like a CIO or CTO would oversee the department’s global initiatives and business functionality.  This would then be passed down and administered through middle management and implemented by programmers, business analyst, network administrators and Database administrators. It goes without saying that an IT professional’s responsibilities would be directed by Google’s technological advantage and management strategy.  Simply because they work within the department, and would have to design, develop, and support the high-performance systems and would have to report multiple managers and project leaders on a regular basis. Since Google was established and driven by new and immerging technology, all other departments would be directly impacted by the technology department.  In fact, they would have to cater to the technology department since it is a huge driving for in the success of Google. Reference: http://www.smbtn.com/smallbusinessdictionary/#b http://www.informationweek.com/news/software/linux/showArticle.jhtml?articleID=192300292&pgno=1&queryText=&isPrev=

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• XAML RadControls Q1 2010 Official

  Q1 2010 release focuses on strengthening 3 main aspects of RadControls for Silverlight and RadControls for WPF: Ensuring first-class performance for all data-centric controls through various techniques, Enhancing and polishing RadControls themes Providing highly advanced, enterprise-level features, especially for the data visualization controls  We know that performance is crucial for line-of-business applications. Therefore, we always make sure that RadControls can help you achieve unmatched performance and this has always been our number one priority. RadControls achieve unbeatable performance through UI and Data Virtualization, Data Sampling and built-in Load On Demand features. Several of the major controls in the bundles have been enhanced with UI virtualization support Scheduler, CoverFlow and Book. As a part of Q1 2010 we also want to bring an unparalleled visual richness to your applications. To achieve that we have done a major rework of all our themes. We used a uniform templating approach across all controls, streamlined naming conventions for resources and delivered a much more consistent look of the controls along the way. RadControls for WPF bundle has been enriched with two new controls Map and Book.   Another new control has been included in the Q1 2010 release. However, it continues to be in a CTP stage. This is the Transition control. We decided that this is the better way to proceed as we will need some more input from our community on how exactly to develop this control further. Therefore, we will be regularly blogging on the development progress so that we can clearly indicate the direction, in which the control is evolving and gather your feedback on whether this is the best direction. Our Charting controls for Silverilght and WPF have been advanced with major new features such as Data Sampling, Zooming and Scrolling, Automatic SmartLables positioning, Sorting and Filtering and many more. The new built-in paging of the GridView control now allows you to page through your data, thus resulting in an event faster and more responsive grid that can easily handle enormously large datasets. 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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• TalkTalk Business Succeeds with Engaging Conversations on an Eloqua platform

  - by Richard Lefebvre

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 “Everybody from online, CRM and data, channel management, communications, and content had to pull together to deliver one campaign and Eloqua was the glue that held it all together.” says Paul Higgins, Marketing Director, TalkTalk Business (UK, telco) in this 2'23 video. Challenges Nurturing multiple sales channels with very diverse customers. Generating leads qualified to a very high standard. Engaging a fatigued and apathetic target audience. Positioning the brand as industry thought leaders. Solutions “What’s Your Business Grade?” campaign Eloqua automated email nurture strategy Eloqua Partner Network – Stein IAS Results ROI of 20:1. 40% uplift in sales opportunities in the smaller end with a 25% reduction in costs. 20–25% increase in sales qualified leads for mid-market, corporate, and enterprise customer sets. Open rate highs of 61.84% and click to open highs of 15.97%. /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}

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• Data Virtualization: Federated and Hybrid

  - by Krishnamoorthy

  Data becomes useful when it can be leveraged at the right time. Not only enterprises application stores operate on large volume, velocity and variety of data. Mobile and social computing are in the need of operating in foresaid data. Replicating and transferring large swaths of data is one challenge faced in the field of data integration. However, smaller chunks of data aggregated from a variety of sources presents and even more interesting challenge in the industry. Over the past few decades, technology trends focused on best user experience, operating systems, high performance computing, high performance web sites, analysis of warehouse data, service oriented architecture, social computing, cloud computing, and big data. Operating on the ‘dark data’ becomes mandatory in the future technology trend, although, no solution can make dark data useful data in a single day. Useful data can be quantified by the facts of contextual, personalized and on time delivery. In most cases, data from a single source may not be complete the picture. Data has to be combined and computed from various sources, where data may be captured as hybrid data, meaning the combination of structured and unstructured data. Since related data is often found across disparate sources, effectively integrating these sources determines how useful this data ultimately becomes. Technology trends in 2013 are expected to focus on big data and private cloud. Consumers are not merely interested in where data is located or how data is retrieved and computed. Consumers are interested in how quick and how the data can be leveraged. In many cases, data virtualization is the right solution, and is expected to play a foundational role for SOA, Cloud integration, and Big Data. The Oracle Data Integration portfolio includes a data virtualization product called ODSI (Oracle Data Service Integrator). Unlike other data virtualization solutions, ODSI can perform both read and write operations on federated/hybrid data (RDBMS, Webservices,  delimited file and XML). The ODSI Engine is built on XQuery, hence ODSI user can perform computations on data either using XQuery or SQL. Built in data and query caching features, which reduces latency in repetitive calls. Rightly positioning ODSI, can results in a highly scalable model, reducing spend on additional hardware infrastructure.

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• How / Where can I host my Java web application? [closed]

  - by Huliax

  Possible Duplicate: How to find web hosting that meets my requirements? In case you want to skip to the crux of my inquiry just read the bold type. I just finished my CS degree (at 39 years old :-)). For my final project I designed and built a system that can provide local positioning / location awareness to mobile wifi devices (only have Android client thus far). The server receives data from clients, processes it, and responds to the clients with a messages containing information about their respective locations. I would like to continue the project (perhaps release as open source but that is a different discussion). Thus far my server application has been running on the CS department's hardware where I could pretty much do whatever I wanted. I'm getting kicked off that system in a few weeks so I have to find a new home for my server application. I need a host that will let me run my Java server (along w/ mySQL db) -- preferably on the cheap since I haven't yet got a job. I have very little experience with the "real world" of web development / hosting. I'm having trouble figuring out what kind of hosting service will let me run my application as is. If that turns out to be a tall order then I need to know what my options are for changing thing so that I can get up and running with some hosting. As an aside, I'm also researching whether or not I should rewrite this in a different language. Trying to figure out if there is a substantially better (for whatever reason) one for what I'm doing. This might also potentially have a bearing on my hosting needs. One possibility is to write the server in something more widely accepted by hosting services. I have been searching for answers to my question and haven't found quite what I'm looking for. Part of the problem might be that I don't know exactly what terminology to use. If there is a good answer to this question elsewhere please feel free to point me towards it. Thanks for help / advice.

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• Trying to use stencils in 2D while retaining layer depth

  - by Steve

  This is a screen of what's going on just so you can get a frame of reference. http://i935.photobucket.com/albums/ad199/fobwashed/tilefloors.png The problem I'm running into is that my game is slowing down due to the amount of texture swapping I'm doing during my draw call. Since walls, characters, floors, and all objects are on their respective sprite sheet containing those types, per tile draw, the loaded texture is swapping no less than 3 to 5+ times as it cycles and draws the sprites in order to layer properly. Now, I've tried throwing all common objects together into their respective lists, and then using layerDepth drawing them that way which makes things a lot better, but the new problem I'm running into has to do with the way my doors/windows are drawn on walls. Namely, I was using stencils to clear out a block on the walls that are drawn in the shape of the door/window so that when the wall would draw, it would have a door/window sized hole in it. This is the way my draw was set up for walls when I was going tile by tile rather than grouped up common objects. first it would check to see if a door/window was on this wall. If not, it'd skip all the steps and just draw normally. Otherwise end the current spriteBatch Clear the buffers with a transparent color to preserve what was already drawn start a new spritebatch with stencil settings draw the door area end the spriteBatch start a new spritebatch that takes into account the previously set stencil draw the wall which will now be drawn with a hole in it end that spritebatch start a new spritebatch with the normal settings to continue drawing tiles In the tile by tile draw, clearing the depth/stencil buffers didn't matter since I wasn't using any layerDepth to organize what draws on top of what. Now that I'm drawing from lists of common objects rather than tile by tile, it has sped up my draw call considerably but I can't seem to figure out a way to keep the stencil system to mask out the area a door or window will be drawn into a wall. The root of the problem is that when I end a spriteBatch to change the DepthStencilState, it flattens the current RenderTarget and there is no longer any depth sorting for anything drawn further down the line. This means walls always get drawn on top of everything regardless of depth or positioning in the game world and even on top of each other as the stencil has to happen once for every wall that has a door or window. Does anyone know of a way to get around this? To boil it down, I need a way to draw having things sorted by layer depth while also being able to stencil/mask out portions of specific sprites.

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• How to snap a 2D Quad to the mouse cursor using OpenGL 3.0/WIN32?

  - by NoobScratcher

  I've been having issues trying to snap a 2D Quad to the mouse cursor position I'm able : 1.) To get values into posX, posY, posZ 2.) Translate with the values from those 3 variables But the quad positioning I'm not able to do correctly in such a way that the 2D Quad is near the mouse cursor using those values from those 3 variables eg."posX, posY, posZ" I need the mouse cursor in the center of the 2D Quad. I'm hoping someone can help me achieve this. I've tried searching around with no avail. Heres the function that is ment to do the snapping but instead creates weird flicker or shows nothing at all only the 3d models show up : void display() { glClearColor(0.0,0.0,0.0,1.0); glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); for(std::vector<GLuint>::iterator I = cube.begin(); I != cube.end(); ++I) { glCallList(*I); } if(DrawArea == true) { glReadPixels(winX, winY, 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &winZ); cerr << winZ << endl; glGetDoublev(GL_MODELVIEW_MATRIX, modelview); glGetDoublev(GL_PROJECTION_MATRIX, projection); glGetIntegerv(GL_VIEWPORT, viewport); gluUnProject(winX, winY, winZ , modelview, projection, viewport, &posX, &posY, & posZ); glBindTexture(GL_TEXTURE_2D, DrawAreaTexture); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); glTexImage2D (GL_TEXTURE_2D, 0, GL_RGB, DrawAreaSurface->w, DrawAreaSurface->h, 0, GL_RGBA, GL_UNSIGNED_BYTE, DrawAreaSurface->pixels); glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, DrawAreaTexture); glTranslatef(posX , posY, posZ); glBegin(GL_QUADS); glTexCoord2f (0.0, 0.0); glVertex3f(0.5, 0.5, 0); glTexCoord2f (1.0, 0.0); glVertex3f(0, 0.5, 0); glTexCoord2f (1.0, 1.0); glVertex3f(0, 0, 0); glTexCoord2f (0.0, 1.0); glVertex3f(0.5, 0, 0); glEnd(); } SwapBuffers(hDC); } I'm using : OpenGL 3.0 WIN32 API C++ GLSL if you really want the full source here it is - http://pastebin.com/1Ncm9HNf , Its pretty messy.

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• what would be a good way to implement/render a 2d tiled map for a browser game?

  - by jj_

  I've made this little rpg ruby game I did while learning and now I'd like to make it into a browser game. I've already set up Sinatra framework to serve it, so what I am looking for, before everything else, is a way to represent the game map in browser (location attributes are stored in db). A new map is randomly generated by code for each new game at each game start. For now forget db, and let's say a map (say 100x100 "squares") is stored as a tridimensional array. (x,y, ...) Last "dimension" of array stores who & what is at that map cell: a player, a building, whatever. So all I have to do is render those "squares" or array cells to a 2d tiled map in the browser. The map does not need to refresh or be dynamically fetched as you scroll it, (at least at this stage of development) but, a technology which would allow me to do so in future would be a good reason for choosing it. Things that I thought of: html tables, html5 canvas, some js framework which is designed exactly with this purpose (which I do not know of = please advice). Yes I know about gamequery-js framework, but I've never used it, and I don't know if it's going to slow down everything down to inusability as I'm adding new features (scrolling, ajax). I really don't know of any other alternatives.. maybe there are lighter approaches? Easier or more minimalistic ways ? More targeted js framework which is the right tool for the job? Maybe just some html canvas code, or even simple image maps, or images with absolute positioning will be enough? The thing is I'd like to start simple, and then gradually make it better, so, as I said before, I'd prefer something that will give me room for improvement or is headed toward new web tendencies but which will also give me a bit of gratification in the beginning :) So.. advices are needed! And appreciated! :) Thanks p.s. Flash is excluded because I don't like it.

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• How to snap a 2D Quad to the mouse cursor using OpenGL 3.0?

  - by NoobScratcher

  I've been having issues trying to snap a 2D Quad to the mouse cursor position I'm able : 1.) To get values into posX, posY, posZ 2.) Translate with the values from those 3 variables But the quad positioning I'm not able to do correctly in such a way that the 2D Quad is near the mouse cursor using those values from those 3 variables eg."posX, posY, posZ" I need the mouse cursor in the center of the 2D Quad. I'm hoping someone can help me achieve this. I've tried searching around with no avail. Heres the function that is ment to do the snapping but instead creates weird flicker or shows nothing at all only the 3d models show up : void display() { glClearColor(0.0,0.0,0.0,1.0); glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); for(std::vector<GLuint>::iterator I = cube.begin(); I != cube.end(); ++I) { glCallList(*I); } if(DrawArea == true) { glReadPixels(winX, winY, 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &winZ); cerr << winZ << endl; glGetDoublev(GL_MODELVIEW_MATRIX, modelview); glGetDoublev(GL_PROJECTION_MATRIX, projection); glGetIntegerv(GL_VIEWPORT, viewport); gluUnProject(winX, winY, winZ , modelview, projection, viewport, &posX, &posY, & posZ); glBindTexture(GL_TEXTURE_2D, DrawAreaTexture); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); glTexImage2D (GL_TEXTURE_2D, 0, GL_RGB, DrawAreaSurface->w, DrawAreaSurface->h, 0, GL_RGBA, GL_UNSIGNED_BYTE, DrawAreaSurface->pixels); glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, DrawAreaTexture); glTranslatef(posX , posY, posZ); glBegin(GL_QUADS); glTexCoord2f (0.0, 0.0); glVertex3f(0.5, 0.5, 0); glTexCoord2f (1.0, 0.0); glVertex3f(0, 0.5, 0); glTexCoord2f (1.0, 1.0); glVertex3f(0, 0, 0); glTexCoord2f (0.0, 1.0); glVertex3f(0.5, 0, 0); glEnd(); } SwapBuffers(hDC); } I'm using : OpenGL 3.0 WIN32 API C++ GLSL if you really want the full source here it is - http://pastebin.com/1Ncm9HNf , Its pretty messy.

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• Using PAM and vsftpd without root access

  - by Zizzencs

  I'm trying to set up a few vsftpd instances on a machine that I have no root access to. The authentication should be done through PAM with pam_listfile, like this: pam_listfile.so item=group sense=allow file=/path/filename onerr=fail I can ask the administrator to set up a PAM service for me and include that line but he is not willing to create 6 PAM services for my 6 vsftpd instances and I really need different /path/filename set for each vsftpd server. Is there a way to solve this problem? Can I somehow not use absolute path as the parameter? (I know the correct solution would be to use one vsftpd instance and set up virtual users properly. However unfortunately I have to work what I have and the users already exist in an Active Directory and are authenticated to the system using another PAM service.)

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• PHP throwing XDebug errors ONLY in command line mode...

  - by Wilhelm Murdoch

  Hey, all! I've been having a few problems running PHP-based utilities within the command line ever since I enabled the XDebug. It runs just fine when executing script through a browser, but once I try an execute a script on the command line, it throws the following errors: h:\www\test>@php test.php PHP Warning: PHP Startup: Unable to load dynamic library 'E:\development\xampplite\php\ext\php_curl.dll' - The specified module could not be found in Unknown on line 0 PHP Warning: Xdebug MUST be loaded as a Zend extension in Unknown on line 0 h:\www\test> The script runs just fine after this, but it's something I can't seem to wrap my head around. Could it be a path issue within my php.ini config? I'm not sure if that's the case considering it throws the same error no matter where I access the @php environmental variable. Also, all paths within my php.ini are absolute. Not really sure what's going on here. Any ideas? Thanks!

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• Word 2007 textbox management

  - by TheSavo

  I am updating a user manual that was initially written by somebody else. I know that most manuals are not written in Word, but our office only uses Microsoft Office applications. I am doing fairly well, creating and applying "styles". A lot of the directions in this manual require updated screenshots of the program it documents. … It's a big mess. </rant> One thing I am attempting to do is add “call outs” or Note text boxes like those seen in modern software manuals. I am attempting to do this with the Text box feature. However, I am having a hard time making them uniform in size and positioning. Does Word offer a way to manage the size and other properties of textboxes, similar to the way it allows you to manage text in styles? I feel that this could (or should) be possible. Is it possible to manage Text Boxes the same way you can manage styles?

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• Removing a custom vim configuration

  - by Hovercouch

  I've added a lot of small mappings to my vimrc that help me work, like noremap H ^ and inoremap jk <esc>. It's diverged enough from vanilla vim that other people at work have trouble coding on my computer. This has been making it harder to pair program with people and get help reviewing code. What I'd like is a way to quickly toggle on/off all of my custom mappings and switch between my vim config and a more 'conventional' one (like relative vs absolute numbering). What would be the best way to do this?

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• How to grow from single server setup

  - by Jenkz

  I'm looking for resources on how to grow our server setup. We currently have one dedicated server with Rackspace in the UK of the following spec: HPDL385_G2_PrevGen HP Single Dual Core Opteron 2214 (2.2Ghz) 4GB RAM 2x 10,000 SCSI Drives in RAID 1 Our traffic is up to 550,000 UVs per month. The site runs off a PHP and MySQL setup. The database gets an absolute hammering, we have many complex queries joining multilpe tables. We are using APC for PHP caching. I'm getting to the stage where I've done as much DB and query optimisation as I can and wonder what the next step should be...... I've looked at memcache, but I've got the impression that his requires a large amount of RAM and ideally a dedicated box.... So is the next step to have two boxes; one for database, one for Apache? Or is there a step I've overlooked. Our load is usually around the 2 mark, but right now it's up at 20!

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• How to grow from single server setup

  - by Jenkz

  I'm looking for resources on how to grow our server setup. We currently have one dedicated server with Rackspace in the UK of the following spec: HPDL385_G2_PrevGen HP Single Dual Core Opteron 2214 (2.2Ghz) 4GB RAM 2x 10,000 SCSI Drives in RAID 1 Our traffic is up to 550,000 UVs per month. The site runs off a PHP and MySQL setup. The database gets an absolute hammering, we have many complex queries joining multilpe tables. We are using APC for PHP caching. I'm getting to the stage where I've done as much DB and query optimisation as I can and wonder what the next step should be...... I've looked at memcache, but I've got the impression that his requires a large amount of RAM and ideally a dedicated box.... So is the next step to have two boxes; one for database, one for Apache? Or is there a step I've overlooked. Our load is usually around the 2 mark, but right now it's up at 20!

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• Python2.7 / Pip2.7 install in Centos6: root does not see /usr/local/bin

  - by Erotemic

  I am trying to install Python2.7 in Centos 6. It's a pain as centos6 ships with python26 and yum is dependent on it. Furthermore yum does not seem to have python2.7 I ended up building it from source: wget https://www.python.org/ftp/python/2.7.6/Python-2.7.6.tgz gunzip Python-2.7.6.tgz tar -xvf Python-2.7.6.tar cd Python-2.7.6 ./configure --prefix=/usr/local --enable-unicode=ucs4 --enable-shared LDFLAGS="-Wl,-rpath /usr/local/lib" make sudo make altinstall cd ~ This installed python2.7 to /usr/local/bin and I can use it. But I cannot call it with sudo unless I specify the whole pathname To install pip I had to do: wget https://bootstrap.pypa.io/get-pip.py sudo /usr/local/bin/python2.7 get-pip.py Now whenever I want a package I have to call sudo /usr/local/bin/pip2.7 install somepackage Is there a clean way to be able to run: sudo pip2.7 install somepackage without having to specify the absolute path? Is a symlink into /usr/bin safe?

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• Running django custom management commands with supervisord

  - by mfsaint

  I'd like to use supervisord to run some commands for my Django project but I keep getting the following error: supervisor.log: 2012-05-18 17:52:15,784 INFO spawnerr: can't find command 'source' If I remove the "source" command, the log shows the same error: can't find command 'python'. supervisord.conf excerpt: [program:django] directory=/home/mf/projects/djangopj/ command=beanstalkd -l 127.0.0.1 -p 11300 command=source /home/mf/virtualenvs/env/bin/activate command=python manage.py command1 command=python manage.py command2 user=mf autostart=true autorestart=true I tried removing the directory and adding the absolute path to the commands but I kept getting the same error. I run supervisord with the following command: supervisord -c supervisord.conf -l supervisor.log

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• htpasswd and htaccess in Plesk 9.3

  - by J White

  Greetings Here is my situation. I currently have one website on my dedicated server. As of now, I have protected the directory /exclusive using the Plesk control panel. I am having a billing company install their password management script on the server but they need the absolute location to the .htpasswd file. I can't find it or the .htaccess file. Would it be easier to unprotect the /exclusive directory and create the .htaccess file in notepad? If this is done, where should I place the .htpasswd file? -jw

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• Hypervisor for mixed client and server OSes

  - by Mark

  I need to replace three old boxes I use for development, running Linux, Win Server and Win XP. Instead of purchasing three new boxes I am thinking of purchasing a single box and virtualizing the OSes. As it is for development, absolute performance is not a problem, but I want the Linux and Win servers to run continuously, while running Win 7 as if it is a regular PC. Therefore running Linux and Win Server on top off Win 7 is not an option. Is this a viable solution? Has anyone done this? What is performance like? I'd like to get decent graphics performance with Win 7, sufficient to run the occasional game. If so, I'm looking for suggestions or recommendations on which hypervisor or virtualization option to go for.

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