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  • Donald Farmer comes to SQLBits

    What do medieval archaeology, fish farming, Southwestern University of Chongqing and Microsoft Business Intelligence have in common? If you know, you should tell Donald Farmer, because he has been deeply involved in all of them at various times. Donald has worked in the Microsoft Business Intelligence team for 8 years covering many subject areas: data integration, information quality, metadata intelligence, master data management, OLAP, predictive analytics and self-service BI. He is a well-known speaker at Microsoft and other industry events, and the author of several books and articles.   Great news from SQLBits! We can now confirm that Donald Farmer has agreed to do a pre-conference training day and the key note for our SQL Server 2008 and SQL Server 2008 R2 day. As Program Manager for Project Gemini, no-one is better placed to tell you what is going to be in R2 and what is not! More information about the Pre-conference Training Day and SQL 2008 and R2 Friday will be released soon.

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  • How can Swift be so much faster than Objective-C?

    - by Yellow
    Apple launched its new programming language Swift today. In the presentation, they made some performance comparisons between Objective-C and Python. The following is a picture of one of their slides, of a comparison of those three languages performing some complex object sort: There was an even more incredible graph about a performance comparison working on some encryption algorithm. Obviously this is a marketing talk, and they didn't go into detail on how this was implemented in each. I leaves me wondering though: how can a new programming language be so much faster? In this example, surely you just have a bad Objective-C compiler or you're doing something in a less efficient way? How else would you explain a 40% performance increase? I understand that garbage collection/automated reference control might produce some additional overhead, but this much?

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  • Strategy to find bottleneck in a network

    - by Simone
    Our enterprise is having some problem when the number of incoming request goes beyond a certain amount. To make things simpler, we have N websites that uses, amongst other, a local web service. This service is hosted by IIS, and it's a .NET 4.0 (C#) application executed in a farm. It's REST-oriented, built around OpenRasta. As already mentioned, by stress testing it with JMeter, we've found that beyond a certain amount of request the service's performance drop. Anyway, this service is, amongst other, a client itself of other 3 distinct web services and also a client for a DB server, so it's not very clear what really is the culprit of this abrupt decay. In turn, these 3 other web services are installed in our farm too, and client of other DB servers (and services, possibly, that are out of my team control). What strategy do you suggest to try to locate where the bottleneck(s) are? Do you have any high-level suggestions?

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  • Stay Tuned for Relaunch

    - by Shyam Bajaj
    In the coming days, the Oracle Health Sciences team will be relaunching Health Sciences Connect. Stay tuned! In the meantime, interact with us directly via:  Twitter - Follow and converse with Oracle Health Sciences leaders - simply Tweet to us by adding @OracleHealthSci before your question or comment.  Facebook - Stay in the know with industry thought leadership pieces from Oracle Health Sciences  YouTube - Watch interviews with heads of Oracle Health Sciences and industry leaders  RSS Feed - Subscribe to us from your browser or RSS reader for industry and company updates   For updated Oracle Health Sciences product and organization information, please visit us at www.oracle.com/healthsciences.

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  • ASP.NET MVC in Action podcast with Deep-Fried Bytes crew

    Thanks to Keith and Woody for having us on their podcast.  It was a lot of fun.  The podcast is now published.  Here are the details. Episode 48: Web Development with ASP.NET MVC In Action Authors About This Episode In this episode Keith and Woody caught up with the team that wrote the book ASP.NET MVC In Action: Jeffrey Palermo, Ben Scheirman and Jimmy Bogard. The guys discussed the book, what drives their passion around ASP.NET MVC and what is in store for this huge change in...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How do I compare the md5sum of a file with the md5 file (that was available to download with the file)?

    - by user91583
    Images are available for a distro on http://livedistro.org/gnulinux/israel-remix-team-mint-12. I want to use the 32-bit version. I have downloaded the ISO file for the 32-bit version (customdist.iso). I have downloaded the md5 file for the ISO file (customdist.iso.md5). I want to calculate the md5sum of the ISO file and compare it to the md5 file. I can use the md5sum command to display within the terminal the calculated md5 for the ISO file. I have searched the web and can't find a way to compare the calculated md5 for the ISO file with the downloaded md5 file. So far, the closest I have come is the command md5sum -c customdist.iso.md5 from within the folder containing both the files, but this command gives the result: md5sum: customdist.iso.md5: no properly formatted MD5 checksum lines found Any ideas?

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  • Top Reasons You Need A User Engagement Platform

    - by Michael Snow
    Guest post by: Amit Sircar, Senior Sales Consultant, Oracle Deliver complex enterprise functionality through a simple intuitive and unified User Interface (UI) The modern enterprise contains a wide range of applications that are used to manage the business and drive competitive advantages. Organizations respond by creating a complex structure that results in a functional and management grouping of users. Each of these groups of users requires access to multiple applications and information sources in order to perform their job functions. This leads to the lack of a unified view of enterprise information, inconsistent user interfaces and disjointed security. To be effective, portals must be designed from the end-user perspective, enabling the user to accomplish as many tasks as possible while visiting the fewest number of portals. This requires rethinking the way that portals are built, moving from a functional business unit perspective to a user-focused, process-oriented point of view. Oracle WebCenter provides the Common User Experience Architecture that allows organizations to seamlessly present a unified view of enterprise information tailored to a particular user’s role and preferences. This architecture provides the best practices, design patterns and delivery mechanism for myriad services, applications, and data sources.  In order to serve as a primary system of access, Oracle WebCenter also provides access to unstructured content and to other users via integrated search, service-oriented artifacts, content management, and collaboration tools. Provide a modern and engaging experience without modifying the core business application Web 2.0 technologies such as blogs, wikis, forums or social media sites are having a profound impact in the public internet.  These technologies can be leveraged by enterprises to add significant value to the business. Organizations need to integrate these technologies directly into their business applications while continuing to meet their security and governance needs. To deliver richer connections and become a more agile and intelligent business, WebCenter provides an enterprise portal platform that contains pre-integrated, standards-based Enterprise 2.0 services. These Enterprise 2.0 services can be easily accessed, integrated and utilized by users. By giving users the ability to use and integrate Enterprise 2.0 services such as tags, links, wikis, activities, blogs or social networking directly with their portals and applications, they are empowered to make richer connections, optimize their productivity, and ultimately increase the value of their applications. Foster a collaborative experience The organizational workplace has undergone a major change in the last decade. With increasing globalization and a distributed workforce, project teams may be physically separated by large distances. Online collaboration technologies are becoming a critical resource to enable virtual teams to share information and work together effectively. Oracle WebCenter delivers dynamic business communities with rich Services to empower teams to quickly and efficiently manage their information, applications, projects, and people without requiring IT assistance. It brings together the latest technology around Enterprise 2.0 and social computing, communities, personal productivity, and ad-hoc team interactions without any development effort. It enables the sharing and collaboration on team content, focusing an organization’s valuable resources on solving business problems, tapping into new ideas, and reducing time-to-market. Mobile Support The traditional workplace dynamics that required employees to access their work applications from their desktops have undergone a fundamental shift. Employees were used to primarily working from company offices and utilized an IT-issued computer for performing their job functions. With the introduction of flexible work hours and the growth of remote workers, more and more employees need the ability to remain productive even when they do not have access to a computer via the use of tablets and smartphones.  In addition, customers and citizens have come to expect 24x7 access to resources and websites from wherever they are located. Tablets and smartphones have empowered everyone to quickly access services they need anytime and from any place.  WebCenter provides out of the box capabilities to deliver the mobile experience in a seamless manner. Seeded device profiles and toolkits within WebCenter can be used to render the same web pages into multiple target devices such iPads, iPhones and android devices. Web designers can preview the portal using the built in simulator, make necessary updates and then deploy their UI design for the targeted device. Conclusion The competitive economy and resource constraints facing organizations today require them to find ways to make their applications, portals and Web sites more agile and intelligent and their knowledge workers more productive no matter where they are located. Organizations need to provide faster access to relevant information and resources, enhance existing applications and business processes with rich Enterprise 2.0 services, and seamlessly deliver content to mobile platforms. Oracle WebCenter successfully meets these challenges by providing the modern user experience platform for the enterprise and the Web.

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  • Why is there only one configuration management tool in the main repository?

    - by David
    How is it that Cfengine does not exist in the Ubuntu (10.04 LTS) Main Repository? I can't find a discussion of this anywhere (using Google). The only configuration management in Ubuntu Main seems to be Puppet. I looked for a wide variety of others as well - all from Wikipedia's list of configuration management tools - and none of them are present in Ubuntu main. I looked for bcfg2, opensymbolic, radmind, smartfrog, spacewalk, staf, synctool, chef - none are present. From my vantage point as a system administrator, I would have expected to find at least bcfg2, puppet, cfengine, and chef (as the most widely used tools). Why is cfengine (or chef and others) not included in Ubuntu main? Why is there only one configuration management tool in Ubuntu main? By the way - the reason this is important in the context of server administration is because Ubuntu main is fully supported by the Ubuntu team with updates and security updates; the other repositories are not.

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  • Should a programmer know Linux ?

    - by Maxtor
    I'm a PHP/Python programmer learning Java and C#(.NET). My main OS is windows 7 but I've used Linux and currently dual-booting with Ubuntu. My Linux knowledge however, is pretty limited. I can work with the command line on simple tasks but that's pretty much it. I don't do any shell scripting, don't know very well the most important commands, nor the system in general. My interests are web development, mobile apps and maybe some embedded stuff in the future. Should I get myself familiarized more with Linux ? Even if at the moment I'm not that interested in it? Is it a must for future job positions considering my field of interest? Thank you.

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  • What technologies are used for Game development now days?

    - by Monika Michael
    Whenever I ask a question about game development in an online forum I always get suggestions like learning line drawing algorithms, bit level image manipulation and video decompression etc. However looking at games like God of War 3, I find it hard to believe that these games could be developed using such low level techniques. The sheer awesomeness of such games defy any comprehensible(for me) programming methodology. Besides the gaming hardware is really a monster now days. So it stands to reason that the developers would work at a higher level of abstraction. What is the latest development methodology in the gaming industry? How is it that a team of 30-35 developers (of which most is management and marketing fluff) able to make such mind boggling games? If the question seems too general could you explain the architecture of God of War 3? Or how you would go about producing a clone? That I think should be objectively answerable.

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  • High CPU load - Ubuntu 14.04

    - by watt
    I noticed that sometimes when browsing (with other processes in the background), I get very high CPU load for the browser process (over 100%) and the computer becomes really slow. I tried switching from Firefox (with just a few extensions) to Chromium, but same thing happens without me visiting graphics-intense sites, flash sites or anything like that. I also noticed python or node (when running "make") produce the same high CPU load from time to time so this is not necessarily browser-related. When I only have a browser open, it doesn't seem to happen and everything is fine in Windows 7. I switched from unity to gnome3 with no effect. Specs: lenovo w510 (4gb RAM, i7 q820 @ 1.73) + up to date Ubuntu 14.04 64bit. Printscreen: http://imgur.com/8MZJNKC Do you guys have any idea why this might happen? Please let me know if there's other info you need. Thanks!

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  • Test Driven Development with vxml

    - by Malcolm Anderson
    It's been 3 years since I did any coding and am starting back up with Java using netBeans and glassfish.  Right off the bat I noticed two things about Java's ease of use.  The java ide (netBeans) has finally caught up with visual studio, and jUnit, has finally caught up with nUnit.  netBeans intellisense exists and I don't have to subclass everything in jUnit.    Now on to the point of this very short post ( request)   I'm trying to figure out how to do test driven development with vxml and have not found anythnig yet.  I've done my google search, but unfortunately, TDD in IVR land has something to do with helping the hearing impared. I've found a vxml simulator or two, but none of their marketing is getting my hopes up.    My request - if you have done any agile engineering work with vxml, contact me, I need to pick your brain and bring some ideas back to my team.   Thanks in advance.

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  • Redehost Transforms Cloud & Hosting Services with MySQL Enterprise Edition

    - by Mat Keep
    RedeHost are one of Brazil's largest cloud computing and web hosting providers, with more than 60,000 customers and 52,000 web sites running on its infrastructure. As the company grew, Redehost needed to automate operations, such as system monitoring, making the operations team more proactive in solving problems. Redehost also sought to improve server uptime, robustness, and availability, especially during backup windows, when performance would often dip. To address the needs of the business, Redehost migrated from the community edition of MySQL to MySQL Enterprise Edition, which has delivered a host of benefits: - Pro-active database management and monitoring using MySQL Enterprise Monitor, enabling Redehost to fulfil customer SLAs. Using the Query Analyzer, Redehost were able to more rapidly identify slow queries, improving customer support - Quadrupled backup speed with MySQL Enterprise Backup, leading to faster data recovery and improved system availability - Reduced DBA overhead by 50% due to the improved support capabilities offered by MySQL Enterprise Edition. - Enabled infrastructure consolidation, avoiding unnecessary energy costs and premature hardware acquisition You can learn more from the full Redehost Case Study Also, take a look at the recently updated MySQL in the Cloud whitepaper for the latest developments that are making it even simpler and more efficient to develop and deploy new services with MySQL in the cloud

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  • How can I become more agile?

    - by dough
    The definition of an agile approach I've adopted is: working to reduce feedback loops, everywhere. I'd describe my Personal Development Process (PDP) as "not very agile" or "not agile enough"! I've adopted TDD, automated building, and time-boxing (using the Pomodoro Technique) as part of my PDP. I find these practices really help me get feedback, review my direction, and catch yak shaving earlier! However, what still escapes me is the ability to reduce feedback time in the ultimate feedback loop; regularly getting working software in front of the end user. Aside from team-oriented practices, what can I do to personally become more agile?

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  • Oracle Social Network Developer Challenge: Bezzotech

    - by Kellsey Ruppel
    Originally posted by Jake Kuramoto on The Apps Lab blog. I’ve covered all the entries we had for the Oracle Social Network Developer Challenge, the winners, Dimitri and Martin, HarQen, TEAM Informatics and John Sim from Fishbowl Solutions, and today, I’m giving you bonus coverage. Friend of the ‘Lab, Bex Huff (@bex) from Bezzotech (@bezzotech), had an interesting OpenWorld. He rebounded from an allergic reaction to finish his entry, Honey Badger, only to have his other OpenWorld commitments make him unable to present his work. Still, he did a bunch of work, and I want to make sure everyone knows about the Honey Badger. If you’re wondering about the name, it’s a meme; “honey badger don’t care.” Bex tackled a common problem with social tools by adding game mechanics to create an incentive for people to keep their profiles updated. He used a Hot-or-Not style comparison app that poses expertise questions and awards a badge to the winner. Questions are based on whatever attributes the business wants to emphasize. The goal is to find the mavens in an organization, give them praise and recognition, ideally creating incentive for everyone to raise their games. In his own words: There is a real information quality problem in social networks. In last year’s keynote, Larry Elison demonstrated how to use the social network to track down resources that have the skill sets needed for specific projects. But how well would that work in real life? People usually update that information with the basic profile information, but they rarely update their profiles with latest news items, projects, customers, or skills. It’s a pain. Or, put another way, when was the last time you updated your LinkedIn profile? Enter the Honey Badger! This is a example of a comparator app that gamifies the way people keep their profiles updated, which ensures higher quality data in the social network. An administrator comes up with a series of important questions: Who is a better communicator? Who is a better Java programmer? Who is a better team player? And people would have a space in their profile to give a justification as to why they have these skills. The second part of the app is the comparator. It randomly shows two people, their names, and their justification for why they have these skills. You will click on one of them to “vote” for them, then on the next page you will see the results from the previous match, and get 2 new people to vote on. Anybody with a winning score wins a “Honey Badge” to be displayed on their profile page, which proudly states that their peers agree that this person has those skills. Once a badge is won, it will be jealously guarded. The longer your go without updating your profile, the more likely it is that you will lose your badge. This “loss aversion” is well known in psychology, and is a strong incentive for people to keep their profiles up to date. If a user sees their rank drop from 90% to 60%, they will find the time to update their justification! Unfortunately, during the hackathon we were not allowed to modify the schema to allow for additional fields such as “justification.” So this hack is limited to just the one basic question: who is the bigger Honey Badger? Here are some shots of the Honey Badger application: #gallery-1 { margin: auto; } #gallery-1 .gallery-item { float: left; margin-top: 10px; text-align: center; width: 33%; } #gallery-1 img { border: 2px solid #cfcfcf; } #gallery-1 .gallery-caption { margin-left: 0; } Thanks to Bex and everyone for participating in our challenge. Despite very little time to promote this event, we had a great turnout and creative and useful entries. The amount of work required to put together these final entries was significant, especially during a conference, and the judges and all of us involved were impressed at how much work everyone was able to do. Congrats to everyone, pat yourselves on the back. Stay tuned if you’re interested in challenges like these. We’ll likely be running similar events in the not-so-distant future.

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  • IOUC Summit: Open Arms and Cheese Shoes

    - by Justin Kestelyn
    Last week's International Oracle User Group Committee (IOUC) Summit at Oracle HQ was a high point of the past year, for a number of reasons: A "quorum" of Java User Group leaders, several Java Champions among them, were in attendance (Bert Breeman, Stephan Janssen, Dan Sline, Stephen Chin, Bruno Souza, Van Riper, and others), and it was great to get face time with them. Their guidance and advice about JavaOne and other things are always much appreciated. Mix in some Oracle ACE Directors (Debra Lilley, Dan Morgan, Sten Vesterli, and others), and you really have the making of a dynamic group. Stephan describes it best: "We (the JUG Leaders) discovered that behind the more formal dress code the ACE directors are actually as crazy as we are." (See link below for more.) Thanks to Bert's (NLJug) kindness, I am now the proud owner of a bonafide, straight-from-the-NL cheese shoe. How the heck did he get this through security? I suggest that you also read more robust reports from Stephan, Arun Gupta, and of course "Team Stanley."

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  • Thoughts of Cloud Development/Google App Engine

    - by jiewmeng
    I use mainly PHP for web development, but recently, I started thinking about using Google App Engine. It doesn't use PHP which I am already familiar with, so there will be a steeper learning curve. Probably using Python/Django. But I think it maybe worthwhile. Some advantages I see: Focus on App/Development. No need to setup/maintain server ... no more server configs Scales automatically Pay for what you use. Free for low usage Reliable, it's Google after all Some concerns though: Does database with no joins pose a problem for those who used App Engine before? Do I have to upload to Google just to test? Will it be slow compared to testing locally? What are your thoughts and opinions? Why would you use or not use App Engine?

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  • Podcast Show Notes: SOA Made Simple

    - by Bob Rhubart
    My guests for the latest OTN ArchBeat Podcast are Lonneke Dikmans and Ronald van Luttikhuizen, managing partners at Vennster (http://www.vennster.nl/) an  IT consultancy based in the Netherlands. Lonneke and Ronald are Oracle ACE Directors, very active members of the OTN architect community, and they have participated as panelists in previous ArchBeat podcasts. But given their collaboration on an upcoming book on service oriented architecture, I thought it was time to let them have the program to themselves. Listen to Part 1 Listen to Part 2 (Nov 30) Listen to Part 3 (Dec 7) Get Connected Lonneke and Ronald are very active in social media. Strike up your own conversation with them via the following links: Lonneke Dikmans Ronald van Luttikhuizen Coming Soon  A panel discussion with three members of the product team behind the upcoming release of WebLogic Server 12c. Stay tuned: RSS

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  • Beta Testing iOS Application

    - by dbramhall
    I was wondering if it is advisable to get a small team of beta testers for an iOS application that will be released to the App Store. I am developing an iOS application and I have setup a beta application form however I was wondering if it is advisable to even do beta testing considering I am actively testing and using my application on all of my own iOS devices (iPad 2, 2 iPod Touches and an iPhone 4 (plus, of course iOS Simulator)) - all running various versions of iOS 4. My question is: would you advise someone to get beta testers for an iOS application and, if so, how would you advise them to go about getting testers. For those interested, my application is at http://affogato.visioa.com/

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  • Beginners' Guide to Development

    - by Bombillazo
    Hello. So I have some experience programming in Java, and at the moment I am learning how to use Python. I have read on the process of game design and such. I also have media covered, got experience with graphics and audio. My question is geared more towards the actual tools to use for making games, developing. I am willing to commit to a long term development cycle, as I will be doing this as a hobby. I've heard of Flash, Gamemaker, etc. I don't intend to create my own Game Engine, so I was looking for a platform that is extensible and easy to program with an OOP mind frame. As a plus it would be great of said game could be played directly from a website. TIA!

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  • Looking for enterprise web application design inspiration [closed]

    - by Farshid
    I've checked many websites to be inspired about what the look and feel of a serious enterprise web-application should look like. But the whole I saw were designed for being used by single users and not serious corporate users. The designs I saw were mostly happy-colored, and looked like being developed by a small team of eager young passionate developers. But what I'm looking for, are showcases of serious web apps' designs (e.g. web apps developed by large corporations) that are developed for being used by a large number of corporate uses. Can you suggest me sources for this kind of inspiration?

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  • Fastest way to document software architecture and design

    - by Karsten
    We are a small team of 5 developers and I'm looking for some great advices about how to document the software architecture and design. I'm going for the sweet spot, where the time invested pays off. I don't want to use more time documenting than necessary. I'll quickly give you my thoughts. What are the diagrams I should made? I'm thinking an overall diagram showing the various applications and services. And then some sequence diagrams showing the most important or complicated processes. About the code it self, I really don't see much value in describing or making diagrams for the code outside the .cs files them self. About text documents, I'm a bit uncertain about when to put down on paper. Most developers don't like to either write or read long documents.

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  • Semi-blocking Transformations in SQL Server Integration Services SSIS

    In a SSIS data flow, there are multiple types of transformations. On one hand you have synchronous and asynchronous transformations, but on the other hand you have non-blocking, semi-blocking and fully-blocking components. In this tip, Koen Verbeeck takes a closer look on the performance impact of semi-blocking transformations in SSIS. Can 41,000 DBAs really be wrong? Join 41,000 other DBAs who are following the new series from the DBA Team: the 5 Worst Days in a DBA’s Life. Part 3, As Corrupt As It Gets, is out now – read it here.

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  • Error during Edubuntu installation: process:226

    - by Chethan S.
    We recently introduced Edbuntu to a team of school teachers. One of them tried installing Edubuntu in their school computers and have reported us this problem. I have no answer for the problem. So can anyone help? One of the teacher's wrote: I was able to install edubuntu in some of the pc. But not able to install in PCs with celeron processor 2.40 GHz , 1GB RAM & HDD 40GB. Im getting error message: process:226 - Glib warning: getpwuid_r(): failed due to unknown user id(0)

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  • Implementing Oracle Exadata for Oracle Utilities Customer Care And Billing

    - by ACShorten
    In association with our performance team, a new whitepaper has been released for Oracle Utilities Customer Care And Billing that outlines the best practices for using Oracle Exadata with that product. The advice in the whitepaper is based upon certification and performance testing performed by our internal performance teams to assit in sites implementing the database component of Oracle Utilities Customer Care And Billing on an Oracle Exadata platform. It is recommended that the contents of this whitepaper be used alongside existing best practices for the Oracle Exadata platform. The whitepaper is available from My Oracle Support under Implementing Oracle Exadata with Oracle Utilities Customer Care and Billing (Dod Id: 1486886.1)

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