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• South Florida Stony Brook Alumni &amp; Friends Reception 2011

  - by Sam Abraham

  It’s official, we are kicking off a local South Florida Chapter for Stony Brook alumni and friends in the area to keep in touch.  Our first networking event will be taking place at Champps, Ft Lauderdale on November 17th, 6:00-8:00 PM. Admission is free and open for everyone, whether or not they are Stony Brook Alums. The team at Champps is offering us great specials (Happy hour deals, half-price appetizers,etc.) that we can choose to enjoy while we network and catch up. (Event Announcement: http://alumniandfriends.stonybrook.edu/page.aspx?pid=299&cid=1&ceid=171&cerid=0&cdt=11%2f17%2f2011) I look forward to share and revive my college experience which I believe was the starting line of my ongoing life journey. It would be also great to hear others’ take as they reflect on their experiences throughout their college years. I invite anyone interested in keeping in touch with friends and alums of Stony Brook to join our LinkedIn or Facebook groups.   The Stony Brook Alumni Association – South Florida Chapter LinkedIn Group: http://www.linkedin.com/groups?gid=3665306&trk=myg_ugrp_ovr The Stony Brook Alumni Association – South Florida Chapter Facebook Group: http://www.facebook.com/#!/groups/114760941910314/

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• Designing a flexible tile-based engine

  - by Vee

  I'm trying to create a flexible tile-based game engine to make all sorts of non-realtime puzzle games, just as Bejeweled, Civilization, Sokoban, and so on. The first approach I had was to have a 2D array of Tile objects, and then have classes inheriting from Tile that represented the game objects. Unfortunately that way I couldn't stack more game elements on the same Tile without having a 3D array. Then I did something different: I still had the 2D array of Tile objects, but every Tile object contained a List where I put and different entities. This worked fine until 20 minutes ago, when I realized that it's too expensive to do many things, look at this example: I have a Wall entity. Every update I have to check the 8 adjacent Tiles, then check all of the entities in the Tile's List, check if any of those entities is a Wall, then finally draw the correct sprite. (This is done to draw walls that are next to each other seamlessly) The only solution I see now is having a 3D array, with many layers, that could suit every situation. But that way I can't stack two entities that share the same layer on the same tile. Whenever I want to do that I have to create a new layer. Is there a better solution? What would you do?

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• Collision and Graphics integration

  - by Shlomi Atia

  I'm a little confused about the integration between collision and graphics. They both need to share the same position in the world. The most obvious choice is the center of the entity, which is good for bounding volumes and fixed sized sprites. However, for characters with variable height size sprites like this: http://gamemedia.wcgame.ru/data/2011-07-17/game-sprite-sheet.jpg This is no longer good. The character won't align to the ground if I'll draw it from the center. I can just make the sprites the same height, but it will be a waste of memory (the largest sprite is 4 times larger then the smallest one). Even then, this is not an option at all with skeletal sprites like this one: http://user-generated-content.java-gaming.org/img-vault/212a171fc1ebb27ab77608fb9b2dd9bd9205361ce6300b21a7f8d06d025fbbd8.png It seems that the graphics need to be drawn from the ground for characters, but not for other images such as scenery and obstacles. The only solution I could think of was having another position called draw-position, which is the entity center for images, and is the the bottom of the collision volume for characters. Then when I draw relative to that position, it should work properly. I haven't found any references for something like that, so I'm kinda insecure about it. Does anyone knows of a better approach for this problem? Thanks

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• any online service and/or application to develop a story line for an adventure game?

  - by Gajet

  I with a bunch of friend were talking about an adventure game. there will be too many possibilities in the game and the player can pick from wide varity of choices at each stage to do somthing. there will be consequences for each decision and they may or may not end the story. the result would be somthing like (picture from flashforward series S01E17)or if any of you watched hereos season 1 there is also similar time lines represented as strings in isaac mandez workshop. sorry for bad quality examples but right now I can't think of any better one. do you know any website or application which we can use to create the timeline? these features the least required ones: the ability to represent events as boxes. the ability to connect distant events to each other. the ability to move events on a scene freely the ability to expand the scene easily there should be some color options for the lines representing connections between events easily shareing the idea with one another it's much more better to have a WYSIWYG editor easily explore in the large scene of events in the end if you know any application which could let me create a board just like the one in my sample picture and share it whith other freinds it could help us a lot.

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• How Can I Effectively Interview an Oracle Candidate?

  - by Tim Medora

  First, I browsed through SO for matching questions and didn't find one, but please point me in the right direction if this exact question has already been asked. I work with and around programmers of various skill levels on various platforms. I would consider my skills to be strong in terms of relational database design, query development, and basic performance tuning and administration. I'm mid-level when it comes to database theory. My team is looking to me to ensure that we have the best talent on staff, in this case, an engineer experienced in Oracle administration. To me, a well-rounded database administrator, regardless of platform, should also be competent in developing against the database so that is also a requirement. However my database skills are centralized around SQL Server 200x with experience in a few other products like SAP MaxDB, Access, and FoxPro. How can I thoroughly assess the skills of an Oracle engineer? I can ask high-level database theory questions and talk about routine tasks that are common across platforms, but I want to dig deep enough that I can be confident in the people I hire. Normally, I would alternate very specific questions that have a right/wrong answer with architectural questions that might have several valid answers. Does anyone have an interview template, specific questions, or any other knowledge that they can share? Even knowing the meaningful Oracle-related certifications would be a help. Thank you. EDIT: All the answers have been very helpful so far and I have given upvotes to everyone. I'm surprised that there are already 3 close votes on this question as "off topic". To be clear, I am specifically asking how a MS SQL Server engineer (like myself) can effectively interview a person with different but symbiotic skills. The question has already received specific, technical answers which have improved my own database design and programming skills. If this is more appropriate as a community wiki, please convert it.

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• Kids and programming: ScratchKara

  - by Mike Pagel

  Ever now and then I kept wondering how to share with my kids the excitement of creating something with your computer. Of course, today this is a bit more difficult, as they have seen 3D animation games and well-edited websites. I guess that's why they weren't all that hyped when I found my first computer model at our local recycling facilities (an 8-bit Laser VZ-200 with rubber keys). When I finally got it up and running with an old analog TV set they finally asked whether we could play soccer on it. Needless to say that my showing them how it remembers some BASIC commands and lists and executes them did not make any impression. So the question is for real: How do you get today's kids excited about programming? And just recently I looked again for environments that allow even young kids (mine are 7 and 9 years old now) to do something and have fun. Obviously any real, text-oriented programming language wouldn't work well. To cut it short: Something really nice was built by University of Oldenburg: ScratchKara. It is the perfect mixture of Kara, a simulation of a little ladybug and Scratch, an authoring environment from MIT. ScratchKara allows kids to initially simply explore how the bug moves and turns by pressing the action buttons, then move towards sequencing commands through drag & drop, and eventually end up building algorithms with procedures and functions. Even through it is built for kids and beginners, the environment comes with debugging and refactoring, which I found more than amazing. My kids love it and I have to admit I keep thinking about how to solve a bit more advanced problems with this language, which does not allow you to store any state information (other than your call stack). Yes, I am hooked, too... Once the language is understood you can then move to one of the original Kara versions, where you can define the bug's behavior through finite statemachines, Turing tables, Java and other textual languages. And from there, anything is possible.

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• All files on automounted NTFS partition are marked as executable

  - by MHC

  I have set up an NTFS partition to automount via fstab: # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way to name devices # that works even if disks are added and removed. See fstab(5). # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 # / was on /dev/sda7 during installation UUID=e63fa8a2-432f-4749-b9db-dab328807d04 / ext4 errors=remount-ro 0 1 # /boot was on /dev/sda4 during installation UUID=e9ad1bb4-7c1f-4ea9-a6a5-799dfad71c0a /boot ext4 defaults 0 2 # /home was on /dev/sda8 during installation UUID=eda8c755-5448-4de8-b58c-9cb75823c22d /home ext4 defaults 0 2 # swap was on /dev/sda9 during installation UUID=804ff3a7-e5dd-406a-b63c-e8f3c635fbc5 none swap sw 0 0 #Windows-Partition UUID=368CEBC57807FDCD /media/Share ntfs defaults,uid=1000,gid=1000,noexec 0 0 As you can see I have added the noexec bit to the configuration. Why? Because any file I create on or move to the partition is automatically marked as executable. The problem is that there is no way of changing that through nautilus. I cannot uncheck the "Allow executing file as program" option. The noexec option doesn't help, unfortunately. It only prevents nautilus from displaying the "run" or "read" dialog but doesn't change the executable flag. Is there any way I can fix this?

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• Multi-Resolution Mobile Development

  - by user2186302

  I'm about to start development on my first game for mobile phone (I already have a flash prototype completed so it's jsut a matter of "porting" it to mobile and fixing up the code) and plan on hopefully being able to get the game working on iphones and most android devices. I am using Haxe along with OpenFL and HaxeFlixel for development. My question is: What resolution should I design the game in initially and/or what is the best way to develop a game for multiple resolutions. I have found multiple different methods, the best, in my opinion, being strategy 3 on this page: http://wiki.starling-framework.org/manual/multi-resolution_development. However I have some questions about this. First, what would the best base resolution to use be, the guide suggests 240*320 which seems alright to me, although if I chose to use pixel graphics as I most probably will given I'm using HaxeFlixel, I'm not sure if they'll look too blocky on larger screens which I'm not even sure is a problem as it might still look alright. (Honestly, not sure about that and if anyone has any examples of games that use this method and look nice). Finally, please feel free to share whatever methods you use and think is best. For example, HaxeFlixel has a scaling feature that scales the game to fit the exact screen size, but I'm afraid that would lead to blurry and improperly scaled graphics since it would scale by non-integers. But, I'm not sure how noticeable a problem that may or may not be. Although from experience I'm pretty sure it won't look nice and currently I do not think I'm going to go for this option. So, I would really appreciate any help on this subject. Thank you in advance.

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• 25 Favorite JCP Award Memories

  - by heathervc

  As we celebrated the 10th Annual JCP Awards and Party at JavaOne last week, we asked attendees to share their favorite memories.  Add yours to the retrospective list below... The 10th Award party will be the best :-) I won a DSLR camera at the 2011 JCP party and have taken many awesome photos of my family with it ever since!  Thanks JCP! Remembering the password to get in! It was very fascinating talking to all those JUG Members of last years' (2011) party and hearing about their hopes & expectations.  Especially from members of SouJava and LJC. Hanging out with my friends Best food and one of my colleagues won the raffle prize. My friend Brian won a jacket 3 years ago and my friend Craig won a camera last year. 2010 when I took home 2 awards on behalf of JSRs I'm on. When Patrick & Scott sang 'Light My Fire'! Catch up with friends! Being able to attend my first JCP party and and joining JCP community. Of course it's when some people won the award (SouJava and LJC)!   Meeting Crazy Bob! This is my first. Mike  to be JCP Member of the Year in 2011. When SouJava and London Java Community won Member of the Year award! JBoss making CDI Everything! When SouJava won the JCP Member of the Year award. I love feeling like it is the Oscars! First Party! Winning JCP Member of the Year last year. The year I was running for it (JCP Award). 2009 music and hostess. Obscured on legal advice.

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• How do you motivate peers to become better developers?

  - by Brian Rasmussen

  In my experience there seems to be two kinds of developers (if we simplify matters a great deal of course). On the one hand we have the developers, who may do a perfectly acceptable job, but who do not really care about the computer science part of their craft. They usually know few languages / technologies and are happy to let things stay that way. For whatever reason, they don't try to improve their computer science skills unless this is required in their current position. On the other hand, we have the geeks or the pragmatic programmers if you subscribe to that idea. They play around with other languages and technologies and usually have knowledge about several topics outside the technical domain of their current job. I would like to see more developers, who are enthusiastic about software development. If you share this point of view, what do you do to push your peers in that direction? Edit: follow-up question inspired by one of the answers: As non-managers, should we really care about this? And why/why not?

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• What You Said: How You Sync and Organize Your Bookmarks

  - by Jason Fitzpatrick

  Earlier this week we asked you to share your favorite techniques for synchronizing and organizing your browser bookmarks. Now we’re back to highlight the most popular techniques, tricks, and services. By far and away, Xmarks was the most frequently mentioned service. For the unfamiliar, Xmarks is a bookmark syncing service that is packed with features. Not only does Xmarks sync bookmarks between browsers and/or computers it also supports iOS, Android, and BlackBerry (mobile integration requires an upgrade to the premium account). In addition to syncing the bookmarks it also integrates with your search results so you can see how other Xmarks users have ranked sites within your search results. Steve-O-Rama highlights one of the many benefits of Xmarks: Xmarks seems to do the job for me. I’ve got a handful of machines, each with three or four browsers; over the years, I’ve accumulated thousands of bookmarks, stretching across many areas of interest. Trying to keep them all straight had been quite a struggle until Xmarks came along. I freaked out when the company was acquired by LastPass, but was subsequently relieved when they continued the free service. Xmarks has a very nice web interface to access, export, search, organize, and do many other things with your bookmarks. In this way, even if I’m on the go, I can access every bookmark I’ve made. Even so, I still make occasional local backups, directly from the browsers to a network folder. Delicious bookmarks, another veteran of the bookmark syncing services, had a fair number of supporters among the HTG readership. Use Amazon’s Barcode Scanner to Easily Buy Anything from Your Phone How To Migrate Windows 7 to a Solid State Drive Follow How-To Geek on Google+

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• My first time in the gambling industry

  - by sfrj

  I am a Java enterprise developer with almost 3 years of professional experience. Soon i am going to have a face to face interview with a company in the gambling industry. I already did successfully a phone screening and now for the personal interview i suppose they will ask me about some kind of white board problem or system design task. I think i am in the right place to ask about this, and would appreciate a lot if someone would give me some tips or share something related to his own experience. The things i am more interested in regarding my interview are: What are the most common challenges for programmers, in this industry? Any idea or suggestion on a white board problem they may ask me? Could you point me to some links where i can find information on the topic or sample problems in this industry?. I personally find this question very interesting not just for me. Also i think, the given answers can help also others in a similar situation. Just what i want to say whit this last comment is: Please avoid, answers like: www.google.com and so on...

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• What is the right way to Windows 7/Ubuntu 10.10 Dual-Triple Boot Partitioning for Laptop OEM?

  - by Denja

  Hi Linux Community, I find my self struggling with the ever slow and buggy windoze OS once again. It's Time to change with the Ubuntu 10.10 64bit as a really faster Operating System. My Hard Disk laptop as a RECOVERY and HP_TOOLS partition they are both Primary. I Have the System Recovery DVD for Windows 64bit should anything happen. Here's the layout I used with windows before: * (C:) Windows 7 system partition NTFS - 284,89GB (Primary,Boot,Pagefile,Dump) * HP_TOOLS system partition FAT32 - 99MB (Primary) * (D:) RECOVERY partition NTFS - 12,90GB (Primary) * SYSTEM partition NTFS 199MB (Primary) Here's the layout I want to make based on your answers * (C:) Windows 7 system partition NTFS - 60GB (Primary) (sda1) * (D:) Windows DATA partition (user files) NTFS - 120GB(Primary)(sda2);wanna share with Linux * Linux root Ext4 - 100GB (Primary)(sda3) (Ubuntu 10.10 64bit) * Linux swap swap- RAM size, 3GB (sda4) * Linux root Ext3- 15,9GB (Extended)(sda5) (OpenSuse or Puppy) Here is my New Ubuntu 10.10 64bit layout in use now: * SYSTEM partition NTFS 199MB (Primary) (sda1) **Partition 1 does not end on cylinder boundary.(?)** * (C:) Windows 7 system partition NTFS - 90GB (Primary) (sda2) * (D:) Windows 7 RECOVERY partition NTFS - 12,90GB (Primary) (sda3) * Linux system partition EXTENDED - 195GB (Logical) * Linux root Ext4- 10GB (Extended) (sda5) * Linux home Ext3- 185GB (Extended) (sda6) I didn't know if I could wipe all previous partitions when i installed Ubuntu because of the RECOVERY partition so I just made the space for my extended partition by deleting the HP_TOOLS (Fat32). By doing this I managed to make and successfully install Ubuntu 64 but I couldn't actually make the partition for the swap or a third Linux OS. Question 1: What is the right way to Windows 7/Ubuntu 10.10 Dual-Triple Boot Partitioning for Laptop OEM?? Thank you in advance for your advises and suggestions and Happy New Year to All!!

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• Dirt Cheap Bi-Directional Antenna Wirelessly Extends Your LAN

  - by Jason Fitzpatrick

  If you’re looking for an effective way to link remote LANs without the hassle of laying cable, this DIY bi-directional antenna is a quick (and cheap) method for bringing internet access to outbuildings and other locations. Tinker Danilo Larizza needed to share internet access between apartments that are relatively close together but not hardwired–ruling out simply sharing the access via existing LAN infrastructure. His solution combines a simple scrap wire antenna array mounted inside a plastic food bin (seen here with the cover removed to show the antenna) and some coaxial cable to link the antenna to two routers. Our favorite part about his build is that he constructed the pair to establish if the antenna setup would even work in his location and intended to buy commercial antennas if it did; his Tupperware models worked so well, however, they’re now the permanent solution. Hit up the link below for more information about the project. 2.4 Ghz Directive Biquad Antenna [via Hack A Day] How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It

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• Any ideas about how to make Programming Techniques Class more interesting.

  - by Eedoh

  Hello. I already found similar question here on SO, but almost all the answers were more philosophical, then practical. I'd like You to share some of Your PRACTICAL ideas about how to make my course more interesting. It doesn't matter how much effort it takes from me. I even thought about trying to motivate them to pick some topic in the beginning of the course and to work on it as some kind of real, small, startup project that they could maybe financially exploit once it's finished. But I'm afraid that most of them will not get the project to the end, and that it could be boring to them working on one thing all year long. Also I thought about involving them in Torcs, but I'm afraid most of them wouldn't be up to the task. Btw, Torcs is Car Racing Simulation, but there's an API for developers so they can develop their own AI for the driver, and then race their cars against the other programmer's AI's. I'm not asking here for problem examples, as I asked a separate question about that. I need ideas about making my lectures more interesting and fun.

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• How to structure my GUI agnostic project?

  - by Nezreli

  I have a project which loads from database a XML file which defines a form for some user. XML is transformed into a collection of objects whose classes derive from single parent. Something like Control - EditControl - TextBox Control - ContainterControl - Panel Those classes are responsible for creation of GUI controls for three different enviroments: WinForms, DevExpress XtraReports and WebForms. All three frameworks share mostly the same control tree and have a common single parent (Windows.Forms.Control, XrControl and WebControl). So, how to do it? Solution a) Control class has abstract methods Control CreateWinControl(); XrControl CreateXtraControl(); WebControl CreateWebControl(); This could work but the project has to reference all three frameworks and the classes are going to be fat with methods which would support all three implementations. Solution b) Each framework implementation is done in separate projects and have the exact class tree like the Core project. All three implementations are connected using a interface to the Core class. This seems clean but I'm having a hard time wrapping my head around it. Does anyone have a simpler solution or a suggestion how should I approach this task?

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• Are web application usability issues equal to website usability issues?

  - by Kor

  I've been reading two books about web usability issues and tests (Rocket Surgery Made Easy¹ and Prioritizing Web Usability²) and they claim some strategies and typical problems about website usability and how to lead them. However, I want to do a web application, and I think I lost track of what I am trying to solve. These two books claim to work with raw websites (e-commerce, business sites, even intranet), but I'm not sure if everything about web usability is applicable to web application usability. They sure talk about always having available (and usable) the Back button, to focus on short information rather than big amounts of text, etc., but they could be inaccurate in deeper problems that may be easier (or just skippable) in regular websites. Has anybody some experience in this field and could tell me if both web applications and websites share their usability issues? Thanks in advance Edit: Quoting Wikipedia, a website is a collection of related web pages containing images, videos or other digital assets, and a web application is an application that is accessed over a network such as the Internet or an intranet. To sum up, both shows/lets you search/produce information but websites are "simple" in interaction and keep the classics of websites (one-click actions) and the other one is closer to desktop applications in the meaning of their uses and ways of interaction (double click, modal windows, asynchronous calls [to keep you in the same "environment" instead of reloading it] etc.). I don't know if this clarifies the difference. Edit 2: Quoting @Victor and myself, a website is anything running in your browser, but a web application is somewhat running in your browser that could be running in your desktop, with similar behaviors and features. Gmail is a web application that could replace Outlook. GDocs could replace Office. Grooveshark could replace your music player, etc.

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• EclipseLink does multitenancy. Today.

  - by alexismp

  So you heard Java EE 7 will be about the cloud, but that didn't mean a whole lot to you. Then it was characterized as PaaS, something in between IaaS and SaaS. And finally it all became clear when referenced as support for multitenancy. Or did it? When it comes to JPA and persistence is general, multitenancy is defined as the ability to share a database schema among various groups of users (i.e. tenants). This means that there is no database setup or reconfiguration required as the data is co-located in the same database. EclipseLink 2.3 (the Indigo train release) let's you do just that by supporting tenant discriminator column(s) via annotations or XML with applications providing values for these discriminators via an API or PU configuration. Check out details here. EclipseLink 2.3 is scheduled to be the default and supported JPA provider for GlassFish 3.1.1. Another nice feature of this release is the ability to extend persistence units on the fly. The GlassFish Podcast has an interview up with EclipseLink's Doug Clarke. Expect more on multitenancy across the Java EE spectrum as the specification work progressed.

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• How to suppress or disable the shutdown option from indicator menu or shutdown dialog?

  - by user73093

  My goal is to allow user only to restart the system, and deny any shutdown (suspend, hibernate). I am running unity-2d. I 've managed to deny suspend and hibernate with polkit policy files like explained in How to disable shutdown/reboot/suspend/hibernate? I observed that is has somehow disable shutdown abilities, but hasn't removed "shutdown" entry from the indicator panel menu neither as well as the "shutdown..." button from the shutdown dialog. Pressing shutdown button at this point restarts lightdm, returning to the login screen. My goal is to remove any "shutdown" action and button. So, I 've added an ovveride file in /usr/share/glib-2.0/schemas that contains some rules: [com.canonical.indicator.session] suppress-shutdown-menuitem = true (all suppress-*-menuitem has "false" value by default in the schema) Compiling, restarting X, now there is an entry "close session..." in the indicator panel menu...: it's not what I want. at this point, if I set another entry suppress-logout-menuitem to true I got no entry in the indicator panel menu. Trying like this all combination doesn't give the opportunity to remove "shutdown" references/buttons without removing restart option. All I want is to remove any reference to "shutdown" but keep a "restart" option somewhere in the indicator menu... Thanks !

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• The Oracle Platform

  - by Naresh Persaud

  Today’s enterprises typically create identity management infrastructures using ad-hoc, multiple point solutions. Relying on point solutions introduces complexity and high cost of ownership leading many organizations to rethink this approach. In a recent worldwide study of 160 companies conducted by Aberdeen Research, there was a discernible shift in this trend as businesses are now looking to move away from the point solution approach from multiple vendors and adopt an integrated platform approach. By deploying a comprehensive identity and access management strategy using a single platform, companies are saving as much as 48% in IT costs, while reducing audit deficiencies by nearly 35%. According to Aberdeen's research, choosing an integrated suite or “platform” of solutions for Identity Management from a single vendor can have many advantages over choosing “point solutions” from multiple vendors. The Oracle Identity Management Platform is uniquely designed to offer several compelling benefits to our customers.  Shared Services: Instead of separate solutions for - Administration, Authentication, Authorization, Audit and so on–  Oracle Identity Management offers a set of share services that allows these services to be consumed by each component in the stack and by developers of new applications  Actionable Intelligence: The most compelling benefit of the Oracle platform is ” Actionable intelligence” which means if there is a compliance violation, the same platform can fix it. And If a user is logging in from an un-trusted device or we detect an attack and act proactively on that information. Suite Interoperability: With the oracle platform the components all connect and integrated with each other. So if an organization purchase the platform for provisioning and wants to manage access, then the same platform can offer access management which leads to cost savings. Extensible and Configurable: With point solutions – you typically get limited ability to extend the tool to address custom requirements. But with the Oracle platform all of the components have a common way to extend the UI and behavior Find out more about the Oracle Platform approach in this presentation. Platform approach-series-the oracleplatform-final View more PowerPoint from OracleIDM

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• Observable Adapter

  - by Roman Schindlauer

  .NET 4.0 introduced a pair of interfaces, IObservable<T> and IObserver<T>, supporting subscriptions to and notifications for push-based sequences. In combination with Reactive Extensions (Rx), these interfaces provide a convenient and uniform way of describing event sources and sinks in .NET. The StreamInsight CTP refresh in November 2009 included an Observable adapter supporting “reactive” event inputs and outputs.   While we continue to believe it enables an important programming model, the Observable adapter was not included in the final (RTM) release of Microsoft StreamInsight 1.0. The release takes a dependency on .NET 3.5 but for timing reasons could not take a dependency on .NET 4.0. Shipping a separate copy of the observable interfaces in StreamInsight – as we did in the CTP refresh – was not a viable option in the RTM release.   Within the next months, we will be shipping another preview of the Observable adapter that targets .NET 4.0. We look forward to gathering your feedback on the new adapter design! We plan to include the Observable adapter implementation into the product in a future release of Microsoft StreamInsight. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Diagnosing Bootstrap 3 Glyphicon Button Icons Not Showing

  - by Paulb

  I have a glyphicons in Bootstrap 3. They work very nicely here: latest Chrome latest Firefox latest Safari latest Explorer latest Android At one facility, the glyphicons don't show. The buttons come up blank. How do I troubleshoot? They are security sensitive there. I don't have systems or network access.. and am not in a position to request that. Troubleshooting with advanced tools isn't going to happen. Here's what I have access to: Internet Explorer 9 Behind a very secure firewall Sometimes, I think the glyphs not showing is the IE 9.. but my code should be addressing that. Sometimes, I think their firewall is blocking the CDN. Can I enter a URL into a browser to test if the CDN is there? Sometimes, I think my FB share and like buttons upset this facilty's firewall, and they tie the whole thing down. Any suggestions at how I begin to research this? Or maybe you have an outright idea for IE 9 and glyphs (though my code is very-very close to the demo's which work).

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• Any good reason open files in text mode?

  - by Tinctorius

  (Almost-)POSIX-compliant operating systems and Windows are known to distinguish between 'binary mode' and 'text mode' file I/O. While the former mode doesn't transform any data between the actual file or stream and the application, the latter 'translates' the contents to some standard format in a platform-specific manner: line endings are transparently translated to '\n' in C, and some platforms (CP/M, DOS and Windows) cut off a file when a byte with value 0x1A is found. These transformations seem a little useless to me. People share files between computers with different operating systems. Text mode would cause some data to be handled differently across some platforms, so when this matters, one would probably use binary mode instead. As an example: while Windows uses the sequence CR LF to end a line in text mode, UNIX text mode will not treat CR as part of the line ending sequence. Applications would have to filter that noise themselves. Older Mac versions only use CR in text mode as line endings, so neither UNIX nor Windows would understand its files. If this matters, a portable application would probably implement the parsing by itself instead of using text mode. Implementing newline interpretation in the parser might also remove some overhead of using text mode, as buffers would need to be rewritten (and possibly resized) before returning to the application, while this may be less efficient than when it would happen in the application instead. So, my question is: is there any good reason to still rely on the host OS to translate line endings and file truncation?

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• How to capture a Header or Trailer Count Value in a Flat File and Assign to a Variable

  - by Compudicted

  Recently I had several questions concerning how to process files that carry a header and trailer in them. Typically those files are a product of data extract from non Microsoft products e.g. Oracle database encompassing various tables data where every row starts with an identifier. For example such a file data record could look like: HDR,INTF_01,OUT,TEST,3/9/2011 11:23 B1,121156789,DATA TEST DATA,2011-03-09 10:00:00,Y,TEST 18 10:00:44,2011-07-18 10:00:44,Y B2,TEST DATA,2011-03-18 10:00:44,Y B3,LEG 1 TEST DATA,TRAN TEST,N B4,LEG 2 TEST DATA,TRAN TEST,Y FTR,4,TEST END,3/9/2011 11:27 A developer is normally able to break the records using a Conditional Split Transformation component by employing an expression similar to Output1 -- SUBSTRING(Output1,1,2) == "B1" and so on, but often a verification is required after this step to check if the number of data records read corresponds to the number specified in the trailer record of the file. This portion sometimes stumbles some people so I decided to share what I came up with. As an aside, I want to mention that the approach I use is slightly more portable than some others I saw because I use a separate DFT that can be copied and pasted into a new SSIS package designer surface or re-used within the same package again and it can survive several trailer/footer records (!). See how a ready DFT can look: The first step is to create a Flat File Connection Manager and make sure you get the row split into columns like this: After you are done with the Flat File connection, move onto adding an aggregate which is in use to simply assign a value to a variable (here the aggregate is used to handle the possibility of multiple footers/headers): The next step is adding a Script Transformation as destination that requires very little coding. First, some variable setup: and finally the code: As you can see it is important to place your code into the appropriate routine in the script, otherwise the end result may not be as expected. As the last step you would use the regular Script Component to compare the variable value obtained from the DFT above to a package variable value obtained say via a Row Count component to determine if the file being processed has the right number of rows.

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• General Availability: Simplified User Experience Design Patterns eBook

  - by ultan o'broin

  Karen Scipi (@karenscipi) writes: The Oracle Applications User Experience team is delighted to announce that our Simplified User Experience Design Patterns for the Oracle Applications Cloud Service eBook is available for free. Working with publishers McGraw-Hill, we're pleased to make the eBook available in EPUB (for use on Apple iOS devices), MOBI (ideal for Amazon Kindle), and PDF (for anything with Adobe Reader) versions. The Simplified User Experience Design Patterns for the Oracle Applications Cloud Service eBook We’re sharing the same user experience design patterns, and their supporting guidance on page types and Oracle ADF components that Oracle uses to build simplified user interfaces (UIs) for the Oracle Sales Cloud and Oracle Human Capital Management (HCM) Cloud, with you so that you can build your own simplified UI solutions. Click to register and download your free copy of the eBook Design patterns offer big wins for applications builders because they are proven, reusable, and based on Oracle technology. They enable developers, partners, and customers to design and build the best user experiences consistently, shortening the application's development cycle, boosting designer and developer productivity, and lowering the overall time and cost of building a great user experience. Developers use the eBook to build their own simplified UIs with Oracle ADF and Oracle JDeveloper Now, Oracle partners, customers and the Oracle ADF community can share further in the Oracle Applications User Experience science and design expertise that brought the acclaimed simplified UIs to the Cloud and they can build their own UIs, simply and productively too!

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