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• links for 2010-06-01

  - by Bob Rhubart

  Venkatakrishnan J: Oracle BI EE 10.1.3.4.1 -- Do we need measures in a Fact Table? Troubleshooting from Rittman Mead's Venkatakrishnan J. (tags: oracle otn businessintelligence datawarehouse) Grid container support : JavaFX Composer An overview how JavaFX Composer supports the grid container. (tags: oracle sun javafx) John Brunswick: Site Studio Mobile Example - WCM Reuse The example highlighted in John Brunswick's post takes advantage of dynamic conversion capabilities in Oracle UCM that allow site content to be created and updated via MS Office documents.  (tags: oracle otn enterprise2.0) @glassfish: GlassFish 3 in the EC2 Cloud powering Dutch and Belgian community polls "The infrastructure is Amazon's Elastic Cloud Computing (EC2) environment because of the dynamic provisioning (elasticity) required by such an online service. Requests are handled directly by the grizzly layer of GlassFish with no extra front-end HTTP layer and shows great performance and scalability." -- The Aquarium (tags: oracle java sun glassfish cloud) James Morle: Flash Storage Will Be Cheap: The End of the World is Nigh "We now need technologies that look more like Oracle Exadata v2, with low-latency RDMA interfaces directly into the Operating System/Database. However, they need to easily and natively support other types of storage (unstructured data such as files, VMware datastores and so forth). The Exadata architecture lends itself well to changes in this area in both hardware trends and access protocols." -- James Morle (tags: oracle otn exadata database architecture virtualization) Java / Oracle SOA blog: HTTP binding in Soa Suite 11g PS2 (tags: ping.fm) Confessions of a Software Developer: Some Tips for Installing Oracle BPM 11g on Windows XP (tags: ping.fm) SOA and Java using Oracle technology: Book review: Oracle Coherence 3.5: Create internet scale applications using Oracle's high-performance data grid (tags: ping.fm)

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• Choosing the right language for the job

  - by Ampt

  I'm currently working for a company on the engineering team of about 5-6 people and have been given the job of heading up the redesign of an embedded system tester. We've decided the general requirements and attributes that would be desirable in the system, and now I have to decide on a language to use for the system, or at the very least come up with a list of languages with pros and cons to present to the team. The general idea of the project is that we currently have a tester written in c++, which was never designed to be a tester, but instead has evolved to be such over the course of 3-4 years due to need. Writing tests for a new product requires modifying the 'framework' and writing code that is completely non-human readable or intuitive due to the way the system was originally designed. Now, we've decided that the time to modify this tester for each new product that we want to test has become too high and want to partially re-write the system so that we can program the actual tests in a scripting language that would then use the modified c++ framework on the back end to test the actual systems. The c++ framework would be responsible for doing all the actual work and the scripting language would just integrate with that to tell the framework what to do. Never having programmed in a scripting language (we program embedded systems), I've run into a wall where I have no experience with any of the languages that we could possibly use, but must somehow give pros and cons of each language so that we can choose the best one for the job. Currently my short list of possibilities includes: Python TCL Lua Perl My question is this: How can a person evaluate a language that he/she has never used before? What criteria are good indicators for a languages potential usability on a project? While helpful suggestions for my particular case are appreciated, I feel that this is a good skill to possess and would like to be able to apply this to many different projects if at all possible

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• Convert mkv to mp4 with ffmpeg

  - by JohnS

  When I try converting mkv to mp4 using ffmpeg, the following error occurs: [ipod @ 0x16fa0a0] Application provided invalid, non monotonically increasing dts to muxer in stream 0: -2 = -2 av_interleaved_write_frame(): Invalid argument I used this command to convert the file: ffmpeg -i input.mkv -vcodec copy -acodec copy -absf aac_adtstoasc output.m4v The input file has the following characteristics: mediainfo input.mkv General Unique ID : 200459305952356554213392832683163418790 (0x96CF0ED8DB5914CBB9E18163689280A6) Complete name : input.mkv Format : Matroska Format version : Version 2 File size : 1.46 GiB Duration : 1h 5mn Overall bit rate : 3 168 Kbps Encoded date : UTC 2010-09-26 21:44:02 Writing application : mkvmerge v2.9.5 ('Tu es le seul') built on Jun 17 2009 16:28:30 Writing library : libebml v0.7.8 + libmatroska v0.8.1 Video ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : [email protected] Format settings, CABAC : Yes Format settings, ReFrames : 4 frames Codec ID : V_MPEG4/ISO/AVC Duration : 1h 5mn Bit rate : 2 910 Kbps Width : 1 280 pixels Height : 720 pixels Display aspect ratio : 16:9 Frame rate : 25.000 fps Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.126 Stream size : 1.31 GiB (90%) Writing library : x264 core 105 r1724 b02df7b Encoding settings : cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=6 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=0 / chroma_qp_offset=-2 / threads=18 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=0 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc=2pass / mbtree=0 / bitrate=2910 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / pb_ratio=1.30 / aq=1:1.00 Default : Yes Forced : No Audio ID : 2 Format : AC-3 Format/Info : Audio Coding 3 Mode extension : CM (complete main) Codec ID : A_AC3 Duration : 1h 5mn Bit rate mode : Constant Bit rate : 256 Kbps Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 KHz Bit depth : 16 bits Compression mode : Lossy Stream size : 121 MiB (8%) Language : English Default : Yes Forced : No Being new to ffmpeg, I'm not sure what the error means or how to correct it. Thanks!

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• Partitioning During Installation, Reinstalling Ubuntu, Backup donwloaded Repositories

  - by user209645

  I am new to Ubuntu and I have just finished installing 13.10 amd64 on my PC. This will replace my Windows 7 as my only OS. I just want to clarify some issues that've been bugging me. I tried reading posts with the same topics but I just can't wrap my head to it yet. I partitioned my 80GB drive into: /root: 30GB (sorry for the confusion, I actually meant /) /home: 40GB /var : 3GB swap : 4GB (2GB of mem) Please correct me if I'm wrong about these: All of the users' documents are saved in their respective folders in /home. But say I want to clean install (format) Ubuntu, I don't need to make backups of /home and /var as they are on separate partitions. But when re-installing, do I just choose /root and format and it will recognize all the partitions (not making another /home and /var inside /root)? Downloaded packages (from all the repositories) and all their dependencies are saved in /var. So after re-installing on the same PC (assuming I'm offline), it will just use the latest updates in /var if I choose to update? And if all the installed apps and their dependents are all in there, all I need to do is re-install them without encountering errors? I have also read that you can back them up using aptoncd and then adding the DVD to the sources. So if I download all the high ranking apps using Synaptic, could I then have an all-in-one DVD installer? 30GB for / is excessive because the bulk of files will either be in /home (personal, downloads, music, videos) or /var (updates, packages, installed apps)? Please excuse me for asking such a question but I really want to explore and learn more.

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• The Hot-Add Memory Hogs

  - by Andrew Clarke

  One of the more difficult tasks, when virtualizing a server, is to determine the amount of memory that Hypervisor should assign to the virtual machine. This requires accurate monitoring and, because of the consequences of setting the value too low, there is a great temptation to err on the side of over-provisioning. This results in fewer guest VMs and, in fact, with more accurate memory provisioning, many virtual environments could support 30% more VMs. In order to achieve a better consolidation (aka VM density) ratio, Windows Server 2008 R2 SP1 has introduced what Microsoft calls ‘Dynamic Memory’. This means that the start-up RAM VM memory assigned to guest virtual machines can be allowed to vary according to demand, changing dynamically while the VM is running, based on the workload of applications running inside. If demand outstrips supply, then memory can be rationed according to the ‘memory weight’ assigned to the guest VM. By this mechanism, memory becomes a shared resource that can be reallocated automatically as demand patterns vary. Unlike VMWare’s Memory Overcommit technology, the sum of all the memory allocations to each virtual machine will not exceed the total memory of the host computer. This is fine for applications that are self-regulating in their demands for memory, releasing memory back into the 'pool' when not under peak load. Other applications however, such as SQL Server Standard and Enterprise, are by nature, memory hogs under high workload; they can grab hot-add memory whilst running under load and then never release it. This requires more careful setting-up and the SQLOS team have provided some guidelines from for configuring SQL Server in virtual environments. Whereas VMWare’s Memory Overcommit is well-proven in a number of different configurations, Hyper-V’s ‘Dynamic Memory’ is new. So far, the indications are that it will improve the business case for virtualizing and it is probably a far more intuitive technology for the average IT professional to grasp. It is certainly worth testing to see whether it works for you.

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• EVENT RECAP: Oracle Health Sciences Conference

  - by cwarticki

  Monaco served as an intense location for this year's Oracle Health Sciences User Group conference.  It was a "Grand Prix" event with nearly 200 attendees from all over the world.  In a country famous for high performance race cars, luxury super yachts and lifestyles of the rich & famous, the conference was very Ellison-esque. I think the Superyachts were being paired with Exadata. The OSHUG staff were fantastic . Robin and Taylor (pictured left) from Drohan Management took care of all the details and were wonderful to get to know. I met with some real Oracle loyalists.  Stan Sachar,  I.T. Manager for Westat, and the Focus Group co-chair for Admin Configuration Mgmt (ACM).  Westat was an early adopter of Oracle Clinical for clinical trial projects with installations in 1997-98.  I had a chance to talk with Stan during the reception and he is an Oracle advocate and evangelist. He's invested in his career in using Oracle products. (Stan Sachar pictured right with Dick Wolnick from Oracle, on left) I also met with Mirco Becker from Grunenthal Gmbh.  He's been working with the Argus product for over 6 years.  He's a big user of Oracle Support. Mirco attended my support best practices session and was actively engaged and asked several questions.  He's excited to adopt those best practices and work more efficiently and effectively with Support. Finally, I thank the many who attended my session.  I admit, the beautiful weather and view of the ocean was a distraction, but nonetheless my mission was to provide you with all the necessary support resources for Health Sciences users. You will find a copy of my presentation on the OSHUG website. Bon Voyage Monaco.  Thanks for the memories.  I'll see everyone next year, in Miami. -Chris WartickiGlobal Customer Management

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• Data structure for pattern matching.

  - by alvonellos

  Let's say you have an input file with many entries like these: date, ticker, open, high, low, close, <and some other values> And you want to execute a pattern matching routine on the entries(rows) in that file, using a candlestick pattern, for example. (See, Doji) And that pattern can appear on any uniform time interval (let t = 1s, 5s, 10s, 1d, 7d, 2w, 2y, and so on...). Say a pattern matching routine can take an arbitrary number of rows to perform an analysis and contain an arbitrary number of subpatterns. In other words, some patterns may require 4 entries to operate on. Say also that the routine (may) later have to find and classify extrema (local and global maxima and minima as well as inflection points) for the ticker over a closed interval, for example, you could say that a cubic function (x^3) has the extrema on the interval [-1, 1]. (See link) What would be the most natural choice in terms of a data structure? What about an interface that conforms a Ticker object containing one row of data to a collection of Ticker so that an arbitrary pattern can be applied to the data. What's the first thing that comes to mind? I chose a doubly-linked circular linked list that has the following methods: push_front() push_back() pop_front() pop_back() [] //overloaded, can be used with negative parameters But that data structure seems very clumsy, since so much pushing and popping is going on, I have to make a deep copy of the data structure before running an analysis on it. So, I don't know if I made my question very clear -- but the main points are: What kind of data structures should be considered when analyzing sequential data points to conform to a pattern that does NOT require random access? What kind of data structures should be considered when classifying extrema of a set of data points?

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• Automated Error Reporting in .NET Reflector - harnessing the most powerful test rig in existence

  - by Alex.Davies

  I know a testing system that will find more bugs than all the unit testing, integration testing, and QA you could possibly do. And the chances are you're not using it. It's called your users. It's a cliché that you should test so that you find your bugs rather than your users. Of course you should. But it's also a cliché that no software is ever shipped bug-free. Lost cause? No, opportunity! I think .NET Reflector 6 is pretty stable. In fact I know exactly how stable it is, because some (surprisingly high) proportion of its users tell me every time it crashes: If they press "Send Error Report", I get: And then I fix it. As a rough guess, while a standard stack trace is enough to fix a problem 30% of the time, having all those local variables in the stack trace means I can fix it about 80% of the time. How does this all happen? Did it take ages to code this swish system? Nope, it was one checkbox in SmartAssembly. It adds some clever code to your assembly to capture local variables every time an exception is thrown, and to ask your user to report it to you, with a variety of other useful information. Of course not all bugs show up as exceptions. But if you get used to knowing that SmartAssembly will tell you when an exception happens, you begin to change your coding style. Now, as long as an exception gets thrown in any situation you don't expect, you'll fix it if it ever happens. You'll start throwing exceptions liberally, and stop having to think about whether tiny edge cases are possible, as long as they throw an exception if they happen.

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• Career paths after web development?

  - by Mike

  I know this is open ended, but I'm just curious what you've done after your web development career, or if you've stayed loyal. I have a feeling/read/heard that web development salaries top out at a certain amount.. even after 10-15 years of experience. Reason I ask is that I graduated last summer with a BS in Chemical Engineering.. but have not been able to find a job in California. I've been web designing/developing since high school and thought that I should start a career, even if its not related to my major and not lose more time. Even though I'd really like to have an engineering career, I don't think that will happen. Do you guys have any suggestions or experiences for choices after/ways to enhance your career after several years in web development? Thanks! Update: Thanks for the responses guys! One more question: Is it likely to be accepted into a MS/PhD program if you've been out of uni for a couple years? Or with semi-related job experience? Would I be a bit of a misfit with a BS in ChemE studying CS/CompE for an MS?

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• Is SQL Azure a newbies springboard?

  - by jamiet

  Earlier today I was considering the various SQL Server platforms that are available today and I wondered aloud, wonder how long until the majority of #sqlserver newcomers use @sqlazure instead of installing locally Let me explain. My first experience of development was way back in the early 90s when I would crank open VBA in Access or Excel and start hammering out some code, usually by recording macros and looking at the code that they produced (sound familiar?). The reason was simple, Office was becoming ubiquitous so the barrier to entry was incredibly low and, save for a short hiatus at university, I’ve been developing on the Microsoft platform ever since. These days spend most of my time using SQL Server. I take a look at SQL Azure today I see a lot of similarities with those early experiences, the barrier to entry is low and getting lower. I don’t have to download some software or actually install anything other than a web browser in order to get myself a fully functioning SQL Server  database against which I can ostensibly start hammering out some code and I believe that to be incredibly empowering. Having said that there are still a few pretty high barriers, namely: I need to get out my credit card Its pretty useless without some development tools such as SQL Server Management Studio, which I do have to install. The second of those barriers will disappear pretty soon when Project Houston delivers a web-based admin and presentation tool for SQL Azure so that just leaves the matter of my having to use a credit card. If Microsoft have any sense at all then they will realise the huge potential of opening up a free, throttled version of SQL Azure for newbies to party on; they get to developers early (just like they did with me all those years ago) and it gives potential customers an opportunity to try-before-they-buy. Perhaps in 20 years time people will be talking about SQL Azure as being their first foray into the world of coding! @Jamiet Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Craftsmanship Tour Day 1: Didit Long Island

  - by Liam McLennan

  On Monday I was at Didit for my first ever craftsmanship visit. Didit seem to occupy a good part of a non-descript building in Rockville Centre Long Island. Since I had arrived early from Seattle I had some time to kill, so I stopped at the Rockville Diner on the corner of N Park Ave and Sunrise Hwy. I thoroughly enjoyed the pancakes and the friendly service. After walking to the Didit office I met Rik Dryfoos, the Didit Engineering Manager who organised my visit, and got the introduction to Didit and the work they are doing. I spent the morning in the room shared by the Didit developers, who are working on some fascinating deep engineering problems. After lunch at a local Thai place I setup a webcam to record an interview with Rik and Matt Roman (Didit VP of Engineering). I had a lot of trouble with the webcam, including losing several minutes of conversation, but in the end I was very happy the result. Here are the full interviews with Rik and Matt: Interview with Rik Dryfoos Interview with Matt Roman We had a great chat, much of which is captured in the recording. It was such great conversation that I almost missed my train to Manhattan. I’m sure Didit will continue to do well with such a dedicated and enthusiastic team. I sincerely thank them for hosting me for the day. If you are looking for a true agile environment and the opportunity to work with a high quality team then you should talk to Didit.

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• Optimizing MySQL -

  - by Josh

  I've been researching how to optimize MySQL a bit, but I still have a few questions. MySQL Primer Results http://pastie.org/private/lzjukl8wacxfjbjhge6vw Based on this, the first problem seems to be that the max_connections limit is too low. I had a similar problem with Apache initially, the max connection limit was set to 100, and the web server would frequently lock up and take an excruciatingly long time to deliver pages. Raising the connection limit to 512 fixed this issue, and I read that raising the connection limit on MySQL to match this was considered good practice. Being that MySQL has actually been "locking up" recently as well (connections have been refused entirely for a few minutes at a time at random intervals) I'm assuming this is the main cause of the issue. However, as far as table cache goes, I'm not sure what I should set this as. I've read that setting this too high can hinder performance further, so should I raise this to right around 551, 560, 600, or do something else? Lastly, as far as raising the join_buffer_size value goes, this doesn't even seem to be included in Debian's my.cnf file by default. Assuming there's not much I can do about adding indexes, should I look into raising this? Any suggested values? Any suggestions in general here would be appreciated as well. Edit: Here's the number of open tables the MySQL server is reporting. I believe this value is related to my question (Opened_tables: 22574)

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• How to check system performance?

  - by Woltan

  Hi all, I am a new Ubuntu user and really like the look and the features of the OS. However, I have a feeling that the performance could be better. With that I mean: Somehow the scrolling within firefox of sites seems laggy. I do not know how I should measure it but there is a difference. Not that it is unusable but it is aggravating. Java programs are running really slow. As a comparison (I know it is not a fair one), I tried to run a game using wine. The graphic specifications using windows were much higher (1600x1200) with a high level of detail, and in ubuntu with the lowest level of detail 1024x768 was the maximum. (My graphics card is a GeForce GTS 450 with 1gb RAM) Coming to my question: Is there a way to measure the performance of 3D acceleration, java applets, firefox scrolling etc. with a tool and compare it with lets say a windows OS or other users having almost the same hardware? Maybe it is a setup issue where some fundamental drivers are missing or something!? Any help, link, suggestion is appreciated! Cherio Woltan

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• links for 2010-05-11

  - by Bob Rhubart

  Fat Bloke: Oracle VM VirtualBox 3.1.8 released! "Supporting new platforms such as Ubuntu 10.04 (Lucid Lynx) and delivering a host of bugfixes, VirtualBox 3.1.8 is available now from the usual places, " says the Fat Bloke. (tags: oracle otn virtualization linux) Anthony Shorten: What is the Oracle Utilities Application Framework? "The Oracle Utilities Application Framework is a reusable, scalable and flexible java based framework which allows other products to be built, configured and implemented in a standard way," according to Anthony Shorten (tags: oracle otn framework java standards) Audio podcast: Oracle WebLogic Suite Virtualization Option (Application Grid) "Steve Harris, Senior Vice President of application server and Java Platform, Enterprise Edition development, talks about running Oracle WebLogic Server on Oracle JRockit Virtual Edition. Listen here to learn how you can run faster and more efficiently without a guest operating system on Oracle VM." (tags: oracle otn grid wweblogic podcast virtualization) MySQL Community Blog: MySQL track with free event at Kaleidoscope 2010 "The even greater news," writes Giuseppe Maxia, "is that, in addition to the general schedule, there are SUNDOWN SESSIONS!" (tags: java sun oracle mysql) @SOAtoday: Will Cloudsourcing Change the Face of Consulting? "Will we all be working remotely to deliver our client projects going forward? Maybe someday, but not anytime soon." -- Oracle ACE Director Jordan Braunstein (tags: oracle otn oracleace cloudcomputing entarch) @SOAtoday: Are we Paid to Say No? "Software architects take their governance initiatives seriously, and I can say with a high level of confidence that most of these denials are highly justified. But, have we architects lost our entrepreneurial spirit, with governance as our defense? Are we over-scrutinizing new ideas and slowing down pilots of innovation because they don’t align with our governance policies and enterprise frameworks?" -- Oracle ACE Director Jordan Braunstein (tags: architect entarch oracle otn soa)

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• Platform for Efficiency: Boeing Defense, Space & Security integrates supply chain processes using Oracle Business Process Management solutions. by Fred Sandsmark

  - by JuergenKress

  Like most companies, aerospace giant Boeing has its jargon - words and phrases that uniquely define its products and processes. Take the word platform. It is used at Boeing to mean a family of aircraft - the F/A-18 fighter, for example, or the 777 jetliner. Boeing Defense, Space & Security since August 2009, employees in the Global Services & Support (GS&S) division of Boeing Defense, Space & Security have been talking about a different sort of platform: a supply chain technology platform, based on Oracle Business Process Management (Oracle BPM) solutions and Oracle SOA Suite. That platform, built with the assistance of Oracle Diamond Partner Capgemini, is serving as a jumping-off point for Boeing's GS&S staff to deploy radically improved business processes supported by Oracle Fusion Applications to build a high-visibility, end-to-end supply chain. This business process-driven technology platform has ambitious goals: to help GS&S respond more quickly and accurately to its customers' needs, to make business processes at all GS&S sites more consistent and less expensive, and to create a foundation for further improvement and efficiency. Read the full article here. Want to publish your BPM11g success story - request for a partner/customer reference? BPM Center of Excellent & First 100 Days of BPM documents to our SOA Community Workspace MWD_bpm_si_Centre_of_Excellence_0811.pdf First 100 Days of BPM whitepaper.pdf Please visit our SOA Community Workspace (SOA Community membership required). SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit  www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Technorati Tags: BPM,BPM reference,BPM Capgemini,BPM first 100 days,BPM center of Excellence,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• Oracle's SPARC T4, 007 Style

  - by Kristin Rose

  The names 4, T4, and this power house travels hand in hand with its good friend SPARC. About 6 years ago on-chip encryption acceleration was first shipped in a commercial system, the SPARC T1. Today, thanks to Oracle SPARC innovative leadership in on-chip encryption acceleration, complex cryptographic computations was born and has since rapidly evolved. Customers can now have security with performance because we my friend, are in the Age of Big Data.If you need some high speed action in your life, listen here. The SPARC T4 systems offer customers much more value for applications than just increased performance through its cross sell opportunity. This is done by enabling partners to integrate your own applications to Oracle’s SPARC T4 Servers for Cloud deployments, and providing direct business benefits that supersedes the commodity approach to data center computing such as security, performance and optimization.As companies continue down this complex path of big data, eCommerce, and mobility, the need to provide better and more in-depth security is more prominent than ever. Oracle’s SPARC T4 processor allows customers to deliver the highest levels of application security, as well as deliver the necessary level performance without added cost, and complexity.To learn more behind the value of SPARC T4, check out a more in-depth blog here. For more on the SPARC T4 family of products, click here.Encryption Lives Another Day,The OPN Communications Team Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* 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:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";}

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• Resolution independence - resize on the fly or ship all sizes?

  - by RecursiveCall

  My game relies heavily on textures of various sizes with some being full-screen. The game is targeted for multiple resolutions. I found that resizing textures (downsizing) works quite well for this game’s art type (it’s not Pixel Art or anything like that). I asked my artist to ensure that all textures at the edges of the screen to be created in such a way that they can safely “overflow” off screen; this means that aspect ratio is not an issue. So with no aspect ratio issues, I figured that I would simply ask my artist to create assets in very high resolution, and then resize them down to the appropriate screen resolution. The question is, when and how do I do that? Do I pre-resize everything to common resolutions in Photoshop and package all assets in the final product (increasing the size download that the user has to deal with) and then select the appropriate asset based on the detected resolution? Or do I ship with the largest set of Textures, detect the resolution on load, set a render target and draw all downsized assets to it and use that? Or for the latter, do I use some sort of a CPU-sided algorithm to resize on game load?

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• IASA ITARC &ndash; Denver May 6th

  - by Jeff Certain

  The Denver chapter of the International Association of Software Architects (IASA) is holding an IT Architect Regional Conference (ITARC) in Denver on May 6th. The speaker list for this conference is amazing. Paul Rayner, Dave McComb, Randy Kahle, Peter Provost, Randy Stafford, George Fairbanks – all great speakers, and from Colorado. Brandon Satrom (who also happens to be the president of the IASA Austin chapter) will also be speaking, as will some other heavy hitters (for example, Ted Farrell, Chief Architect and Senior VP of Oracle). This is an amazing line-up, and the conference is quite reasonably priced ($150 for IASA members until April 10th, including a catered lunch). I also have the privilege of being a presenter at this conference. If you’ve ever heard any of the previously named speakers, you know that they set the bar quite high. Sounds like I’m going to have to step up my game. What I get to talk about is really cool stuff. The company I work for – Colorado CustomWare – brought me on board nearly two years ago. To say there was some technical debt is somewhat… understated. Equally understated would be that management is committed to doing the right thing. Over the past two years, we’ve done significant architectural refactoring – including an effort that took the entire team offline for most of a month. We’ve reduced the application size by 50% without losing functionality. As you can imagine, this has reduced the complexity of the application, making development faster and less prone to bugs. We’ve made many other changes – moving to an agile process, training developers, moving towards a more OO architecture. The changes we’ve made reveal, in some ways, just how far afield we were.. and there are still more changes to be made. Amazingly enough, our leadership team is eager for me to share these experiences with other architects. I’m really looking forward to being able to do so.

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• Partner Webcast - Oracle Reports to BI Publisher migration

  - by dmitry.nefedkin(at)oracle.com

  Normal 0 false false false RU X-NONE X-NONE MicrosoftInternetExplorer4 /* 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:10.0pt; font-family:"Times New Roman","serif";} Monday, March 21, 2011 9 a.m. CET (10 a.m. EET) Description Oracle Reports, a component of Oracle Fusion Middleware is Oracle's classic, high-fidelity enterprise reporting tool. Oracle remains committed to the development of this technology, and to the ongoing release as a component of the Oracle Fusion Middleware platform, but also enables conversion of Oracle Reports to Oracle BI Publisher. Oracle Business Intelligence Publisher (BI Publisher)--Oracle's enterprise reporting server to author, manage, and deliver all types of highly formatted documents. Extremely efficient and highly scalable, BI Publisher can generate tens of thousands of documents per hour with minimal impact to transactional systems. After a quick introduction to BI Publisher we will look at the process of Oracle Reports to BI Publisher convestion. AgendaOracle Reports strategy & support policyReporting challengesBenefits of BI PublisherOracle Reports -> BI Publisher Conversion UtilityDemoUpgrade BI Publisher to 11gQ&A Delivery Format This Free online Live Internet Seminar will be delivered over the Web and Conference Call. Duration: 1hour To register, click HERE. For any questions please contact [email protected].

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• CodePlex Daily Summary for Wednesday, February 29, 2012

  CodePlex Daily Summary for Wednesday, February 29, 2012Popular ReleasesZXing.Net: ZXing.Net 0.4.0.0: sync with rev. 2196 of the java version important fix for RGBLuminanceSource generating barcode bitmaps Windows Phone demo client (only tested with emulator, because I don't have a Windows Phone) Barcode generation support for Windows Forms demo client Webcam support for Windows Forms demo clientOrchard Project: Orchard 1.4: Please read our release notes for Orchard 1.4: http://docs.orchardproject.net/Documentation/Orchard-1-4-Release-NotesFluentData -Micro ORM with a fluent API that makes it simple to query a database: FluentData version 1.2: New features: - QueryValues method - Added support for automapping to enumerations (both int and string are supported). Fixed 2 reported issues.NetSqlAzMan - .NET SQL Authorization Manager: 3.6.0.15: 3.6.0.15 28-Feb-2012 • Fix: The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communication because it is in the Faulted state. Work Item 10435: http://netsqlazman.codeplex.com/workitem/10435 • Fix: Made StorageCache thread safe. Thanks to tangrl. • Fix: Members property of SqlAzManApplicationGroup is not functioning. Thanks to tangrl. Work Item 10267: http://netsqlazman.codeplex.com/workitem/10267 • Fix: Indexer are making database calls. Thanks to t...SCCM Client Actions Tool: Client Actions Tool v1.1: SCCM Client Actions Tool v1.1 is the latest version. It comes with following changes since last version: Added stop button to stop the ongoing process. Added action "Query update status". Added option "saveOnlineComputers" in config.ini to enable saving list of online computers from last session. Default value for "LatestClientVersion" set to SP2 R3 (4.00.6487.2157). Wuauserv service manual startup mode is considered healthy on Windows 7. Errors are now suppressed in checkReleases...Document.Editor: 2012.1: Whats new for Document.Editor 2012.1: Improved Recent Documents list Improved Insert Shape Improved Dialogs Minor Bug Fix's, improvements and speed upsKinect PowerPoint Control: Kinect PowerPoint Control v1.1: Updated for Kinect SDK 1.0.SharpCompress - a fully native C# library for RAR, 7Zip, Zip, Tar, GZip, BZip2: SharpCompress 0.8: API Updates: SOLID Extract Method for Archives (7Zip and RAR). ExtractAllEntries method on Archive classes will extract archives as a streaming file. This can offer better 7Zip extraction performance if any of the entries are solid. The IsSolid method on 7Zip archives will return true if any are solid. Removed IExtractionListener was removed in favor of events. Unit tests show example. Bug fixes: PPMd passes tests plus other fixes (Thanks Pavel) Zip used to always write a Post Descri...Social Network Importer for NodeXL: SocialNetImporter(v.1.3): This new version includes: - Download new networks for Facebook fan pages. - New options for downloading more posts - Bug fixes To use the new graph data provider, do the following: Unzip the Zip file into the "PlugIns" folder that can be found in the NodeXL installation folder (i.e "C:\Program Files\Social Media Research Foundation\NodeXL Excel Template\PlugIns") Open NodeXL template and you can access the new importer from the "Import" menuASP.NET REST Services Framework: Release 1.1 - Standard version: Beginning from v1.1 the REST-services Framework is compatible with ASP.NET Routing model as well with CRUD (Create, Read, Update, and Delete) principle. These two are often important when building REST API functionality within your application. It also includes ability to apply Filters to a class to target all WebRest methods, as well as some performance enhancements. New version includes Metadata Explorer providing ability exploring the existing services that becomes essential as the number ...SQL Live Monitor: SQL Live Monitor 1.31: A quick fix to make it this version work with SQL 2012. Version 2 already has 2012 working, but am still developing the UI in version 2, so this is just an interim fix to allow user to monitor SQL 2012.DotNet.Highcharts: DotNet.Highcharts 1.1 with Examples: Fixed small bug in JsonSerializer about the numbers represented as string. Fixed Issue 310: decimal values don't work Fixed Issue 345: Disable Animation Refactored Highcharts class. Implemented Issue 341: More charts on one page. Added new class Container which can combine and display multiple charts. Usage: new Container(new[] { chart1, chart2, chart3, chart4 }) Implemented Feature 302: Inside an UpdatePanel - Added method (InFunction) which create the Highchart inside JavaScript f...Content Slider Module for DotNetNuke: 01.02.00: This release has the following updates and new features: Feature: One-Click Enabling of Pager Setting Feature: Cache Sliders for Performance Feature: Configurable Cache Setting Enhancement: Transitions can be Selected Bug: Secure Folder Images not Viewable Bug: Sliders Disappear on Postback Bug: Remote Images Cause Error Bug: Deleted Images Cause Error System Requirements DotNetNuke v06.00.00 or newer .Net Framework v3.5 SP1 or newer SQL Server 2005 or newerImage Resizer for Windows: Image Resizer 3 Preview 3: Here is yet another iteration toward what will eventually become Image Resizer 3. This release is stable. However, I'm calling it a preview since there are still many features I'd still like to add before calling it complete. Updated on February 28 to fix an issue with installing on multi-user machines. As usual, here is my progress report. Done Preview 3 Fix: 3206 3076 3077 5688 Fix: 7420 Fix: 7527 Fix: 7576 7612 Preview 2 6308 6309 Fix: 7339 Fix: 7357 Preview 1 UI...Finestra Virtual Desktops: 2.5.4500: This is a bug fix release for version 2.5. It fixes several things and adds a couple of minor features. See the 2.5 release notes for more information on the major new features in that version. Important - If Finestra crashes on startup for you, you must install the Visual C++ 2010 runtime from http://www.microsoft.com/download/en/details.aspx?id=5555. Fixes a bug with window animations not refreshing the screen on XP and with DWM off Fixes a bug with with crashing on XP due to a bug in t...AutoExpandOver - Show popup on mouseover, focus, click in Silverlight: AutoExpandOver 2.1: Many fixes. All leaks are gone. Features added.FileSquirrel: FileSquirrel Alpha 1.2.1 32bit and x64: FileSquirrel Alpha 1.2.1Publishing SCSM Work Item to a Sharepoint Calendar: PublishWI command line tool (Updated): Updated for SCSM 2012 (RC) PublishWI command line tool Usage: PublishWI.exe WIID URL CalendarName WIID: ID of the Work Item to publish (for example, CR3333) URL: URL of the SharePoint site, such as http://www.sharepoint.com CalendarName: The name of the sharepoint calendar to publish WI to.HttpRider - Tool for Web Site Performance and Stress Tests: HttpRider 1.0: Please let me know any issues you face. ThanksMedia Companion: MC 3.432b Release: General Now remembers window location. Catching a few more exceptions when an image is blank TV A couple of UI tweaks Movies Fixed the actor name displaying HTML Fixed crash when using Save files as "movie.nfo", "movie.tbn", & "fanart.jpg" New CSV template for HTML output function Added <createdate> tag for HTML output A couple of UI tweaks Known Issues Multiepisodes are not handled correctly in MC. The created nfo is valid, but they are not displayed in MC correctly & saving the...New Projects.NET Implementation of Extensions for Financial Services: NXFS is planned to be a compliant .Net implementation of CEN/XFS (currently version 3.20) to overcome some deficits of native implementation such as not supporting highly productive programming languages (like C#) and supporting only Windows XP and x86 platform.BigCoder WebMaster Tools: BigCoder WebMaster ToolsBigCoder Whois Program: BigCoder Whois ProgrambiscuitCMS: biscuitCMS makes it easier for <target user group> to <activity>. You'll no longer have to <activity>. It's developed in <programming language>. BridgeSeismic: BridgeSeismicData Normilizer: Decomposer for SQL fact tables, for BI projectsDownload Indexed Cache: "Download Indexed Cache" implements the Bing API Version 2 to retrieve content indexed within the Bing Cache to support the "Search Engine Reconnaissance" section of the OWASP Testing Guide v3. FITSExplorer: FITS Explorer is designed to allow astronomers to quickly and easily browse and preview the image and metadata stored in FITS files. The application was developed using primarily WPF and C#, with some low-level data manipulation routines written in C++ for high-performance.ICalSync: icalsyncLeague Manager: Nosso gerenciador de campeonatosLemcube SISTRI: interfacciamento ai servizi di Interoperabilità SIS.: Lemcube SISTRI: interfacciamento ai servizi di Interoperabilità SIS.LittlePluginLib: A small plugin system based on the .net framework 3.5Log reading: Reading and parsing huge log files, download from ftp server and upload to msql database.Mail Aggregator Service: To address the problem of being 'spammed' by your own alert emails this service was created to group/batch mail messages sent to the same 'to' address. It can integrate into QuickMon or even be used as a stand-alone tool to send out alert notifications. MangoTicTacToe: Demo application of a simple Silverlight game for Windows Phone 7. This tictactoe game features some of the most basics requirements for making a Silverlight game for Windows Phone 7.MonkeyButt: Web alternatives to commercial software like Facebook and Google.PizzaSoft: PizzaSoftproject: project demoSharePoint 2010 Automatically Generated Solution Demo: In this demo project I show how to generate Sandboxed Solutions by code at runtime.SoftService: Software ServiceSPAdmin: SharePoint WarmUp ToolSSASNet: SSASNetSSIS Data Masker: A SSIS Data Flow Transformation Component To Provide Basic Data Masking Capabilities.UpiGppf: This is a high shcool projectXMPP/Media Library for .NET and Windows Phone 7.5: .NET libraries for XMPP, TLS, RTP, STUN, SOCKS and more for windows and windows phone.

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• Warnings When Undo Isn't Possible

  - by ultan o'broin

  Enjoyed this post Never Use a Warning When you Mean Undo by Aza Raskin. It makes sense never to warn users if an undo option is possible. The examples given are from the web space. Here's the conclusion: Warnings cause us to lose our work, to mistrust our computers, and to blame ourselves. A simple but foolproof design methodology solves the problem: "Never use a warning when you mean undo." And when a user is deleting their work, you always mean undo. However, in enterprise apps you may find that an undo option isn't technically possible or desirable. Objects may be shared, part of a flow elsewhere, or undoing something committed to the database (a rollback I guess) may not be feasible if it becomes locked by another process. Plus, what constitutes user ownership of objects isn't always clear to users. The implications of delete (and other) actions need to be clearly communicated out in advance. Really, warnings are important in the enterprise space. Data has a very high value, and users can perform a wide variety of actions that may risk that data, not always within the application itself (at browser level, for example). That said, throwing warnings all over the place when an undo option is possible is annoying. Instead, treat warnings with respect. When there is no undo option possible, use warning messages to communicate potentially dangerous or irrecoverable actions or the downstream consequences of user actions on the process or task flow. Force the user to respond to a warning message by using a modal dialog with clearly labeled action buttons. Here's a couple of examples. A great article that got me thinking. Let's see more like that. Let's not forget there's more types of messages than just error messages. User assistance and user experience professionals need to understand when best to use confirmation, information, and warning types too!

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• Is it bad practice for services to share a database in SOA?

  - by Paul T Davies

  I have recently been reading Hohpe and Woolf's Enterprise Integration Patterns, some of Thomas Erl's books on SOA and watching various videos and podcasts by Udi Dahan et al. on CQRS and Event Driven systems. Systems in my place of work suffer from high coupling. Although each system theoretically has its own database, there is a lot of joining between them. In practice this means there is one huge database that all systems use. For example, there is one table of customer data. Much of what I've read seems to suggest denormalising data so that each system uses only its database, and any updates to one system are propagated to all the others using messaging. I thought this was one of the ways of enforcing the boundaries in SOA - each service should have its own database, but then I read this: http://stackoverflow.com/questions/4019902/soa-joining-data-across-multiple-services and it suggests this is the wrong thing to do. Segregating the databases does seem like a good way of decoupling systems, but now I'm a bit confused. Is this a good route to take? Is it ever recommended that you should segregate a database on, say an SOA service, an DDD Bounded context, an application, etc?

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• How can we make agile enjoyable for developers that like to personally, independently own large chunks from start to finish

  - by Kris

  We’re roughly midway through our transition from waterfall to agile using scrum; we’ve changed from large teams in technology/discipline silos to smaller cross-functional teams. As expected, the change to agile doesn’t suit everyone. There are a handful of developers that are having a difficult time adjusting to agile. I really want to keep them engaged and challenged, and ultimately enjoying coming to work each day. These are smart, happy, motivated people that I respect on both a personal and a professional level. The basic issue is this: Some developers are primarily motivated by the joy of taking a piece of difficult work, thinking through a design, thinking through potential issues, then solving the problem piece by piece, with only minimal interaction with others, over an extended period of time. They generally complete work to a high level of quality and in a timely way; their work is maintainable and fits with the overall architecture. Transitioning to a cross-functional team that values interaction and shared responsibility for work, and delivery of working functionality within shorter intervals, the teams evolve such that the entire team knocks that difficult problem over. Many people find this to be a positive change; someone that loves to take a problem and own it independently from start to finish loses the opportunity for work like that. This is not an issue with people being open to change. Certainly we’ve seen a few people that don’t like change, but in the cases I’m concerned about, the individuals are good performers, genuinely open to change, they make an effort, they see how the rest of the team is changing and they want to fit in. It’s not a case of someone being difficult or obstructionist, or wanting to hoard the juiciest work. They just don’t find joy in work like they used to. I’m sure we can’t be the only place that hasn’t bumped up on this. How have others approached this? If you’re a developer that is motivated by personally owning a big chunk of work from end to end, and you’ve adjusted to a different way of working, what did it for you?

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• Optimizing lifestyle and training

  - by Gabe

  I am a college freshman who has recently discovered a passion for computer science. Having had my first lick of formal python training last semester, I have cast aside my previously hedonist way of life and tunneled my sights on becoming the most rounded and proficient programmer I can be. I know that I'm taking strides in the right direction (I've stopped smoking, I've been exercising every day, I've taught myself C++ and OpenGL, and I've begun training in kung-fu and meditation), yet I am still finding myself struggling to achieve satisfactory results. I would like to be able to spend a good 3-4 hours every day burning through textbooks. I have the time cleared and the resources allocated. The problem lies in the logistics-- I have never taken anything seriously before. Recently I've realized that I am clueless when it comes to taking care of myself and gaining control of my mind, and it drastically hinders my productivity. My question is this: How can I learn to manage my time and take care of myself such that I can spend the maximum amount of time every day studying with steady concentration? Personal tricks would be key here: techniques you use to get yourself to sleep, a diet that yields focus, even computer break stretching routines or active reading techniques. Anything you could think of here would be great. I was a low-life in high school and I have the drive to turn my life around, I'm just quite a bit behind in the way of good habits :)

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• State of the art Culling and Batching techniques in rendering

  - by Kristian Skarseth

  I'm currently working with upgrading and restructuring an OpenGL render engine. The engine is used for visualising large scenes of architectural data (buildings with interior), and the amount of objects can become rather large. As is the case with any building, there is a lot of occluded objects within walls, and you naturally only see the objects that are in the same room as you, or the exterior if you are on the outside. This leaves a large number of objects that should be occluded through occlusion culling and frustum culling. At the same time there is a lot of repetative geometry that can be batched in renderbatches, and also a lot of objects that can be rendered with instanced rendering. The way I see it, it can be difficult to combine renderbatching and culling in an optimal fashion. If you batch too many objects in the same VBO it's difficult to cull the objects on the CPU in order to skip rendering that batch. At the same time if you skip the culling on the cpu, a lot of objects will be processed by the GPU while they are not visible. If you skip batching copletely in order to more easily cull on the CPU, there will be an unwanted high amount of render calls. I have done some research into existing techniques and theories as to how these problems are solved in modern graphics, but I have not been able to find any concrete solution. An idea a colleague and me came up with was restricting batches to objects relatively close to eachother e.g all chairs in a room or within a radius of n meeters. This could be simplified and optimized through use of oct-trees. Does anyone have any pointers to techniques used for scene managment, culling, batching etc in state of the art modern graphics engines?

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