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  • What did you learn today?

    - by Rajesh Pillai
    What did you learn today? Everyday teaches you something, some lesson or the other. Some day you learn a new language, a new skill or a new hobby or visit some new place, learn music, have a different dining experience, learn swimming, make some good friends, get in touch with some old friend etc. etc…. Each of these things teaches you something… So, what did you learn today? Some of the learnings from my past weeks are outlined below… Respect others. Don’t underestimate them. (Though I never consciously do so) Be careful with your words because words have different meanings if the context is not clear. Spend some time for your personal stuff and allow others do so. Every individual is different, their skills different, their thoughts are different, their perceptions are different. So, be polite. Time management. (This is a tough skill to master). At the end of the day I keep looking for more time so may be you. So, again What did you learn today? This reflection is important because if you don’t know what you are learning at every stage in your life, then your are not learning and not growing. In short you are not living. Learning is not memorization but it is self realization….. Happy learning!!!

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  • Fun with Python

    - by dotneteer
    I am taking a class on Coursera recently. My formal education is in physics. Although I have been working as a developer for over 18 years and have learnt a lot of programming on the job, I still would like to gain some systematic knowledge in computer science. Coursera courses taught by Standard professors provided me a wonderful chance. The three languages recommended for assignments are Java, C and Python. I am fluent in Java and have done some projects using C++/MFC/ATL in the past, but I would like to try something different this time. I first started with pure C. Soon I discover that I have to write a lot of code outside the question that I try to solve because the very limited C standard library. For example, to read a list of values from a file, I have to read characters by characters until I hit a delimiter. If I need a list that can grow, I have to create a data structure myself, something that I have taking for granted in .Net or Java. Out of frustration, I switched to Python. I was pleasantly surprised to find that Python is very easy to learn. The tutorial on the official Python site has the exactly the right pace for me, someone with experience in another programming. After a couple of hours on the tutorial and a few more minutes of toying with IDEL, I was in business. I like the “battery supplied” philosophy that gives everything that I need out of box. For someone from C# or Java background, curly braces are replaced by colon(:) and tab spaces. Although I tend to miss colon from time to time, I found that the idea of tab space is actually very nice once I get use to them. I also like to feature of multiple assignment and multiple return parameters. When I need to return a by-product, I just add it to the list of returns. When would use Python? I would use Python if I need to computer anything quick. The language is very easy to use. Python has a good collection of libraries (packages). The REPL of the interpreter allows me test ideas quickly before committing them into script. Lots of computer science work have been ported from Lisp to Python. Some universities are even teaching SICP in Python. When wouldn’t I use Python? I mostly would not use it in a managed environment, such as Ironpython or Jython. Both .Net and Java already have a rich library so one has to make a choice which library to use. If we use the managed runtime library, the code will tie to the particular runtime and thus not portable. If we use the Python library, then we will face the relatively long start-up time. For this reason, I would not recommend to use Ironpython for WP7 development. The only situation that I see merit with managed Python is in a server application where I can preload Python so that the start-up time is not a concern. Using Python as a managed glue language is an over-kill most of the time. A managed Scheme could be a better glue language as it is small enough to start-up very fast.

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  • Oracle Fusion Applications Design Patterns Now Available

    - by Frank Nimphius
    "The Oracle Fusion Applications user experience design patterns are published! These new, reusable usability solutions and best-practices, which will join Oracle dashboard patterns and guidelines that are already available online, are used by Oracle to artfully bring to life a new standard in the user experience, or UX, of enterprise applications. Now, the Oracle applications development community can benefit from the science behind the Oracle Fusion Applications user experience, too.These Oracle Fusion Applications UX Design Patterns, or blueprints, enable Oracle applications developers and system implementers everywhere to leverage professional usability insight when [...]  designing exciting, new, highly usable applications -- in the cloud or on-premise.  Based on the Oracle Application Development Framework (ADF) components, the Oracle Fusion Applications patterns and guidelines are proven with real users and in the Applications UX usability labs, so you can get right to work coding productivity-enhancing designs that provide an advantage for your entire business.  What’s the best way to get started? We’ve made that easy, too. The Design Filter Tool (DeFT) selects the best pattern for your user type and task. Simply adapt your selection for your own task flow and content, and you’re on your way to a really great applications user experience. More Oracle applications design patterns and training are coming your way in the future. To provide feedback on the sets that are currently available, let us know in the comments section or use the contact form provided."

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  • Open World Day 2

    - by Antony Reynolds
    A Day in the Life of an Oracle OpenWorld Attendee Part III My second full day started with me waking up and realising that I was supposed to meet my friend Tejas Joshi (co-author of the Oracle Exalogic Elastic Cloud Handbook) at the station in 20 minutes!  Needless to say I didn’t make it, but then I felt better later when I found out he had caught the wrong shuttle bus and ended up at the airport instead of the BART! The morning was spent in the Authors Seminar arranged to give authors a whirlwind tour of Oracle Product updates and strategy plans.  It was useful to see what was happening in areas I knew little or nothing about.  In the afternoon I wandered around Java One, a very different show to OpenWorld with much more bleeding edge stuff and just plain blue sky thinking.  Of course who couldn’t love a show with a full size Duke wondering around and available for photographs. Attended a presentation on a highly available Weblogic JMS environment wich did a great job of laying out to architect a highly available solution. Dinner with customers and then collapsed exhausted into bed!

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  • flat files vs. RDBMS database, few read/writes, few changes

    - by Bob Lapique
    I have to handle data from long term (years, decades) climate monitoring stations. The data flow usually starts with raw data (voltages, etc.) plus quality check information (pressure, temperature, flow rate, etc.) generally recorded @ 1Hz. Then, the data are assigned a quality flag (human and/or program), processed (apply calibration curves) and flagged. So, we basically end up with 2 datasets : raw and processed data. New data are typically added once a day (~500Ko/day/instrument). Simultaneous queries are not likely to ever happen. I wanted to go for a RDBMS (we have a MySQL server) and have some experience in database design, but the IT guy keeps telling me that flat files will to the job just as well. I suspect him to try to make his life easier when it comes to backup/upgrade the MySQL. There are not so many links between data, they don't change much, but the quality flags will change. A RDBMS is easier to compare data from different instruments on a "many days" scale, compared to daily text files. Well, what would you advise ? Thanks.

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  • ArchBeat Link-o-Rama Top 10 for November 2012

    - by Bob Rhubart
    Every day ArchBeat searches the web for content created by and for community members, and then shares that content via social media. Here's the list of the Top 10 most popular items posted on the OTN ArchBeat Facebook Page for November 2012. One-Stop Shop for Oracle Webcasts Webcasts can be a great way to get information about Oracle products without having to go cross-eyed reading yet another document off your computer screen. Oracle's new Webcast Center offers selectable filtering to make it easy to get to the information you want. Yes, you have to register to gain access, but that process is quick, and with over 200 webcasts to choose from you know you'll find useful content. OAM/OVD JVM Tuning Vinay from the Oracle Fusion Middleware Architecture Group (otherwise known as the A-Team) shares a process for analyzing and improving performance in Oracle Virtual Directory and Oracle Access Manager. White Paper: Oracle Exalogic Elastic Cloud: Advanced I/O Virtualization Architecture for Consolidating High-Performance Workloads This new white paper by Adam Hawley (with contributions from Yoav Eilat) describes in great detail the incorporation into Oracle Exalogic of virtualized InfiniBand I/O interconnects using Single Root I/O Virtualization (SR-IOV) technology. Architected Systems: "If you don't develop an architecture, you will get one anyway..." "Can you build a system without taking care of architecture?," asks Manuel Ricca. "You certainly can. But inevitably the system will be unbalanced, neglecting the interests of key stakeholders, and problems will soon emerge." Backup and Recovery of an Exalogic vServer via rsync "On Exalogic a vServer will consist of a number of resources from the underlying machine," says the man known only as Donald. "These resources include compute power, networking and storage. In order to recover a vServer from a failure in the underlying rack all of these components have to be thoughts about. This article only discusses the backup and recovery strategies that apply to the storage system of a vServer." This Week on the OTN Architect Community Home Page Make time to check out this week's features on the OTN Solution Architect Homepage, including: SOA Practitioner Guide: Identifying and Discovering Services Technical article by Yuli Vasiliev on Setting Up, Configuring, and Using an Oracle WebLogic Server Cluster Podcast: Are You Future Proof? Clustering ODI11g for High-Availability Part 1: Introduction and Architecture | Richard Yeardley "JEE agents can be deployed alongside, or instead of, standalone agents," says Rittman Meade's Richard Yeardley. "But there is one key advantage in using JEE agents and WebLogic – when you deploy JEE agents as part of a WebLogic cluster they can be configured together to form a high availability cluster." Learn more in Yeardley's extensive post. OIM 11g : Multi-thread approach for writing custom scheduled job | Saravanan V S Saravanan shares insight and expertise relevant to "designing and developing an OIM schedule job that uses multi threaded approach for updating data in OIM using APIs." How to Create Virtual Directory in Weblogic Server | Zeeshan Baig Oracle ACE Zeeshan Baig shows you how in six easy steps. SOA Galore: New Books for Technical Eyes Only Shake up up your technical skills with this trio of new technical books from community members covering SOA and BPM. Thought for the Day "Humans are the best value in computers -- where else can you get a non-linear computer weighing only about 160lbs, having a billion binary decision elements, that can be mass-produced by unskilled labour?" — Anonymous Source: SoftwareQuotes.com

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  • Archbeat Link-O-Rama Top 10 Tweets for October 2013

    - by OTN ArchBeat
    What caught the attention of the 1,988 people who follow @OTNArchBeat last month? The answer is below, in the list of Top 10 Tweets for October 2013 RT @java: Which women in tech inspire you? Blog about them on Ada Lovelace Day! #ALD13 Oct 10, 2013 at 11:14 AM RT @ORCL_Linux: New blog post: Announcing Unbreakable Enterprise Kernel Release 3 for #Oracle #Linux Oct 21, 2013 at 07:11 PM RT @glassfish: Quick & Dirty How-to Guide: Install #GlassFish 4 on #RaspberryPi. Creating an #IoT infra via @MkHeck Oct 27, 2013 at 07:19 PM RT @java: Nighthacking with James Gosling, interview from Hawaii, watch live Oct. 23, 11am PT #java Oct 21, 2013 at 11:26 AM RT @ensode: "Oracle has posted blogs on how to migrate from #Spring to #JavaEE" I wrote the linked article Oct 07, 2013 at 10:53 AM SOA and User Interfaces - by @soacommunity @hajonormann @gschmutz @t_winterberg et al #industrialsoa Oct 03, 2013 at 01:17 PM RT @oracleace: Welcome and congrats to new #ACEDs @kevin_mcginley and Rene van Wijk @MiddlewareMagic Oct 25, 2013 at 12:59 PM SOA in Real Life: Mobile Solutions by @soacommunity @HajoNormann @gschmutz @t_winterberg et al #industrialsoa Oct 28, 2013 at 09:23 AM RT @OracleAnalytics: Curious to how big #oow13 was? Here’s an infographic to show you some of the stats. Oct 25, 2013 at 01:13 PM Free Poster: ACM in Practice >> thanks to @dschmeid @hajonormann @torsten_winterberg @tbmaier @gschmutz et al. Oct 16, 2013 at 09:56 AM Thought for the Day "You can converge a toaster and a refrigerator, but those things are probably not going to be pleasing to the user." — Tim Cook, CEO of Apple Inc. (Born November 1, 1960) Source: brainyquote.com

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  • Software vs Network Engineer (Salary, Difficulty, Learning, Happiness)

    - by B Z
    What are your thoughts on being a Software Engineer vs a Network Engineer? I've been on the software field for almost 10 years now and although I still have a great deal of fun (and challenges), I am starting to think it could be better on the "other" side. Not to degrade network engineers (i know there are many great ones out there), it seems (in general) their job is easier, the learning curve from average to good is not as steep, job is less stressful and pay is better on average. I think as software developer I could make the switch to networking and still enjoy working with computers and feel productive. I spend an enormous amount of time learning about software, practices, new technologies, new patters, etc...I think I could spend a much smaller amount of time learning about networking and be just as "good". What are your thoughts? EDIT: This is not about making easy money. Networking and Software are closely related, I love computers and programming, but if I can work with both, make more money and have less stress in my life and can spend more time with my family, then I am willing to consider a change and hence I am looking for advice that Do or Don't support this view.

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  • Scene graphs and spatial partitioning structures: What do you really need?

    - by tapirath
    I've been fiddling with 2D games for awhile and I'm trying to go into 3D game development. I thought I should get my basics right first. From what I read scene graphs hold your game objects/entities and their relation to each other like 'a tire' would be the child of 'a vehicle'. It's mainly used for frustum/occlusion culling and minimizing the collision checks between the objects. Spatial partitioning structures on the other hand are used to divide a big game object (like the map) to smaller parts so that you can gain performance by only drawing the relevant polygons and again minimizing the collision checks to those polygons only. Also a spatial partitioning data structure can be used as a node in a scene graph. But... I've been reading about both subjects and I've seen a lot of "scene graphs are useless" and "BSP performance gain is irrelevant with modern hardware" kind of articles. Also some of the game engines I've checked like gameplay3d and jmonkeyengine are only using a scene graph (That also may be because they don't want to limit the developers). Whereas games like Quake and Half-Life only use spatial partitioning. I'm aware that the usage of these structures very much depend on the type of the game you're developing so for the sake of clarity let's assume the game is a FPS like Counter-Strike with some better outdoor environment capabilities (like a terrain). The obvious question is which one is needed and why (considering the modern hardware capabilities). Thank you.

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  • Get Started with JavaFX 2 and Scene Builder

    - by Janice J. Heiss
    Up on otn/java is a very useful article by Oracle Java/Middleware/Core Tech Engineer Mark Heckler, titled, “How to Get Started (FAST!) with JavaFX 2 and Scene Builder.”  Heckler, who has development experience in numerous environments, shows developers how to develop a JavaFX application using Scene Builder “in less time than it takes to drink a cup of coffee, while learning your way around in the process”. He begins with a warning and a reassurance: “JavaFX is a new paradigm and can seem a bit imposing when you first take a look at it. But remember, JavaFX is easy and fun. Let's give it a try.” Next, after showing readers how to download and install JDK/JavaFX and Scene Builder, he informs the reader that they will “create a simple JavaFX application, create and modify a window using Scene Builder, and successfully test it in under 15 minutes.” Then readers download some NetBeans files:“EasyJavaFX.java contains the main application class. We won't do anything with this class for our example, as its primary purpose in life is to load the window definition code contained in the FXML file and then show the main stage/scene. You'll keep the JavaFX terms straight with ease if you relate them to the theater: a platform holds a stage, which contains scenes. SampleController.java is our controller class that provides the ‘brains’ behind the graphical interface. If you open the SampleController, you'll see that it includes a property and a method tagged with @FXML. This tag enables the integration of the visual controls and elements you define using Scene Builder, which are stored in an FXML (FX Markup Language) file. Sample.fxml is the definition file for our sample window. You can right-click and Edit the filename in the tree to view the underlying FXML -- and you may need to do that if you change filenames or properties by hand - or you can double-click on it to open it (visually) in Scene Builder.” Then Scene Builder enters the picture and the task is soon done. Check out the article here.

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  • Merging Social Accounts: What We Learned This Weekend

    - by Mike Stiles
    Guest Post by Erika BrookesWe learned that it’s not always as easy as you think it’s going to be. While it’s widely accepted that merging multiple owned Facebook Pages that are duplicating communities and putting out the same type of content is a best practice, actually pulling it off without rattling fans is a trickier proposition. Facebook is nice and clear about how to merge Facebook Pages. Although content is not carried over, Likes from the pages you’re merging are. So you can imagine the surprise when such fans start seeing posts in their News Feed from a page they don’t believe they ever Liked. One community member accurately likened it to having your bank come under another bank’s brand name. The Facebook Page changes to the new brand, just like your debit card, emails, signs and other communication. This weekend we did our merge. The Facebook communities of Vitrue, Involver and Collective Intellect were pulled into one community, Oracle Social. Could we have handled it better? Oh yeah. Our intent was to make sure, to the fullest extent possible, that the fans of the Vitrue, Involver, and Collective Intellect brand pages were well-informed about the pending page merges in ADVANCE of the merge. While many were aware that Oracle acquired the three companies, many were not. We learned from fan feedback that we should have sent notifications MUCH earlier to make the brand Page merge crystal clear and to answer any questions. That was our bad, our responsibility and we apologize for Oracle Social showing up in your News Feed if you were not aware that it was a result of your fandom of Vitrue, Involver or Collective Intellect. It was our job to make you aware well in advance. Some felt they had never Liked the fan Pages of Vitrue, Involver or Collective Intellect, so they were understandably upset (some cultures may call it “fit to be tied”) when they found themselves fans of Oracle Social. One thing to consider is that since 2009, brands and developers have used and enjoyed free Involver tab apps like Twitter, RSS and YouTube (1.2 million of which are currently active), which included an opt-in Liking the Involver Page. Often, when Liking happens in a manner outside of the traditional clicking of a Like button on a brand Page, it’s easy to forget a Page was indeed Liked. Lastly, a few felt that their Like of the Page had been “bought.” It was not. No fans or Likes were separately purchased. Yes, the companies and the social properties of Vitrue, Involver and Collective Intellect were acquired by Oracle. Those brands are now being coordinated into the larger Oracle brand. In social media, that means those brands are being integrated into the Oracle Social community. So what now? We apologize and apply lessons learned. We learned that you not only have to communicate thoroughly and clearly, but you have to communicate well in advance of any actionable items that will affect fans. We’re more than willing to walk straight to the woodshed when we deserve it. Going forward, the social team here is dedicated to facilitating content, discussion and sharing around social for marketers, agencies, IT stakeholders and social staffs, including community managers. We anticipate Oracle Social being the premier gathering place for true social innovators as we move into social’s exciting next phase of development. Inevitably, some will still feel they are fans of the Page in error. While we hate to see you go, you may unlike the Page if it’s not relevant or useful to you. Let’s continue to contribute, participate, foster our desire to learn, and move forward together positively and constructively - both for current fans of the community and the many fans to come.

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  • Working Abroad Advice Needed

    - by RBA
    Hi, First of all, Happy New Year everybody! I wish you for 2011 all the best! For several years I was thinking about to work abroad, and I want to make this step(to work in a/several foreign countries, for several years). I am a Software Developer with a Bachelor of Engineering in Computer Science, with a +4 years of experience in Delphi(and small working experience in other programming languages). Until now I've applied at aprox. 100 positions over the world, and I've been contacted by 4-5 hiring managers. Our technical discussions went good, but then we reached at working visa 'problem'. I don't have legal/health problems, but I don't poses a working permit in other countries except Romania. I've been reading several forums concerning the working visas (here I take out working visa for US or other 'hard to get visa' countries), and there are several steps which companies must do (so I can take out the bureaucracy problem) to make the papers. Concerning the cost of a visa, this goes up to one medium salary from that country(in most of the cases). I've been working for the last years with different clients, from a wide variety of countries, and I don't believe I will have problems with integration in a foreign country So, the problem is that the market don't need Delphi Developers (there is a small amount of open positions on the recruiting sites), and I should start learning other programming language(all the time is better to know other programming languages - but to master it, requires some time) with a higher market 'rank' (Java/C#/etc), OR the problem is only concerning the working visa, and maybe the reticence of the employer to foreign possible candidates? I'm asking this especially for those users who made this step in their life or they want to make it in the future. Best regards,

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  • links for 2011-01-03

    - by Bob Rhubart
    Using Solaris zfs + iscsi targets with Oracle VM (Wim Coekaerts Blog) "I was playing with my Oracle VM setup and needed some shared storage that was block based. I did not have a storage array available but I did have a Solaris box, that I use for Oracle VDI, available." - Wim Coekaerts (tags: oracle otn solaris oraclevm virtualization) DanT's GridBlog: Oracle Grid Engine: Changes for a Bright Future at Oracle "Today, we are entering a new chapter in Oracle Grid Engine’s life. Oracle has been working with key members of the open source community to pass on the torch for maintaining the open source code base to the Open Grid Scheduler project hosted on SourceForge." - Dan Templeton (tags: oracle gridengine) Oracle Fusion Middleware Security: How do I secure my services? "I've been up early for a couple of days talking to a customer about how they should secure their services,' says Chris Johnson. "I'm going to tell you what I told them." (tags: oracle fusionmiddleware security) OldSpice your Innovation - Dangers of Status Quo E2.0 | Enterprise 2.0 Blogs "If organizations only leverage E2.0 technologies in a 'me too' fashion, they are essentially using a bucket to bail water from a leaking ship." - John Brunswick (tags: oracle enteprise2.0) The Aquarium: GlassFish in 2011 - What to expect A look into the Glassfish crystal ball... (tags: oracle glassfish) Andrejus Baranovskis's Blog: Fusion Middleware 11g Security - Retrieve Security Groups from ADF 11g Oracle ACE Director Andrejus Baranovskis shows you what to do when you need to access security information directly from an ADF 11g application. (tags: oracle otn fusionmiddleware security adf) @eelzinga: Book review : Oracle SOA Suite 11g R1 Developer's Guide "What I really liked in this book...was the compare/description of the Oracle Service Bus. The authors did a great job on describing functionality of components existing in the SOA Suite and how to model them in your own process." - Oracle ACE Eric ElZinga (tags: oracle oracleace soa bookreview soasuite)

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  • Going on 15 months for me...

    - by Ratman21
    About 5 face to face interviews, 4 telephone ones and except for the two weeks Census Job. But, after 15 months looking for work, I am still with out a JOB. What is wrong here or with me? Let’s see, hard worker (check), self motivated to do well on a Job (Check), Certified CompTIA A+, Security+  and Network+ Technician (Check), 20 + years experience in “IT” (CHECK), in good health, in 20 years of work only 15 days off due to health issues (Check), 18 years experience as technical Help Desk support (Check), can still work better than younger personal (Check), Strong trouble shooting skills for software, computer hard ware and circuit issues (Check) and Multiple software languages (Hey I have done some programming) Check. Hmm I don’t see any problem with me (of course I could have missed something, please let me know if you see what I am missing).    Now as to what have I been up to since I last blogged. The same things of course, Job hunting, job hunting and study.   I have set up sim of my home LAN and will be adding a wireless print server to the sim and in real life, soon.  I was able to pull up and copy the examples of Cisco router commands that I had on my old lap top, to my newer PC. Every time I used a new command while working the NOC on my last job.   I would cut and past a copy of the command on the router (and what it did) I was working on.  Along with notes on the problem and commands use for same router. I used these to make documentation for on how to handle these types of issues, for the other Operation Techs. My old notes are helping me in studying for the CCENT test.    As to Love Dare, I think it will take more like 40 weeks, than the 40 days of the book. Yes I am making progress, slow but, it is progress. I will have more on that in my next blog.

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  • An Oracle's Interns Story by Samarth Varshney

    - by user769227
    I have written a short write-up about my experience at Oracle and am attaching some pics along:  I joined Oracle on 5th January 2011 as part of my internship program in BITS Pilani Goa Campus. In the short period of six months, I had the most beautiful and interesting time of my life. It was fun to work in Oracle, thanks to the whole team. I had an excellent manager, simple and sophisticated, who gave me the utmost enthusiasm to work. I gained a lot of knowledge during my internship, thanks to my colleagues. They were very helpful and motivated us (interns) in every possible way. In the initial stages of work, in which you know almost nothing, they helped me gain knowledge at a rapid speed. Thanks to the vast database of study material at the Oracle site, that I could start on with my project in a very short time.  For me, the time flew like anything and made the 6 months look like a few days. It was probably due to the team, that the work was so much fun. We had our deadlines but had full freedom as to how to work and when to work. I don't remember a single instance, in which I was working and not listening to songs. I mean it will always be a time to remember. I hope to join this company and make this time last forever.  Samarth 

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  • WouldISurviveANuke Assesses Your Distance From Nuclear War Strike Sites

    - by Jason Fitzpatrick
    WouldISurviveANuke is a morbid Google Maps mashup that plots out the effective radius of nuclear weapons on major metropolitan areas, your distance from them, and your chances of survival. Visit the site, plug in your zipcode, and set the parameters (how big of a nuclear weapon and how large the nearest target city needs to be) to find out if you’re in the blast radius. We plugged in a downtown address in Detroit, MI. The verdict? Neither we nor the cockroaches will be coming out alive. If you plug in a location far enough away from the direct blast radius you’ll also get a quality of life report that spells out the effects of a local nuclear strike. As far as startling anti-nuclear proliferation arguments go, WouldISurviveANuke is an effective and interactive demonstration. Hit up the link below to try it out. WouldISurviveANuke [via Y! Tech] How to Run Android Apps on Your Desktop the Easy Way HTG Explains: Do You Really Need to Defrag Your PC? Use Amazon’s Barcode Scanner to Easily Buy Anything from Your Phone

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  • how can I get 32-bit program to run on 64-bit Ubuntu?

    - by Carol
    Sorry to be asking this, but I have read quite a few posts and articles a lot of places wrt the issue I am having, to no avail. I am trying to get a Second Life Viewer (Firestorm) to run, and just keep getting the '64-bit error message' it throws. I have installed every 32-lib I can find, still doesn't work. I think I am surely missing some setting somewhere, or running Firestorm from the wrong place, or something, but I have no idea what. FWIW, Firestorm loads but doesn't behave right in the 32-bit version, either. I have actually tried several linux distros, 32 and 64-bit. Mint 32-bit runs it straight off, and Mint 64-bit throws the '64-bit error'. openSUSE, any version, won't run it at all. Oh, and all the other SL viewers I have tried behave the same way. I am beginning to wonder if my set-up just doesn't like linux. Here is my system info: CPU: Intel(R) Core(TM) i5 CPU 750 @ 2.67GHz (2661 MHz) Memory: 4026 MB OS Version: Linux 3.2.0-29-generic-pae #46-Ubuntu SMP Fri Jul 27 17:25:43 UTC 2012 i686 Graphics Card Vendor: ATI Technologies Inc. Graphics Card: ATI Radeon HD 5700 Series I appreciate any help anyone can give me! Thanks so much! Carol :)

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  • What You Said: How You Find New Books

    - by Jason Fitzpatrick
    Earlier this week we asked you to share your tips and tricks for finding fresh books to enjoy. Now we’re back with tips ranging from the old school to the digital. SJ highlights several of the most popular web-based tools for finding new books: Goodreads.com is quick and easy. Yournextread.com is fun and helps a lot. But I gotta be honest, Amazon’s suggestions are probably the most useful to me. TheFu suggests checking out award-winning lists and one rather quirky way to pick a good Sci-Fi book: For scifi, see Hugo winning books. Life is too short to read bad books. Sometimes that leads to an author with an entire series of books to enjoy. I really enjoy some of the scifi from the 40s and 50s. Wells stuff is always timeless too (and free). I’m less happy with Nebula winners–-different type of writers and not my personal taste. Secure Yourself by Using Two-Step Verification on These 16 Web Services How to Fix a Stuck Pixel on an LCD Monitor How to Factory Reset Your Android Phone or Tablet When It Won’t Boot

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  • Removed Java replaced with newest "Sun Java", disc won't boot, and won't let me re-install grub using boot repair disc

    - by Al Rowe
    Had a minor problem with my Stock market platform. Set-up screen would freeze program. Called their tech support, got their "Linux guy", who advised remove all Java and replace, not with synaptic version, but newest Sun Java. After removing, computer auto rebooted, and went to blue mem-test screen. Showed no errors, but couldn't get back in. Tried two versions of boot repair disc from iso (checked md5sum, showed good.), but fix aborted, giving apt-error detected. Opened a terminal and typed (or copy/paste): sudo chroot "/mnt/boot-sav/sda1" apt-get -f install. My system is Ubuntu 12.04. Had a few very minor issues from install, all fixed. Also added some of my favorite gnome tricks just to make life easier, but none that could have caused this. Added script to add shortcuts to desktop, open terminal in any menu from inside it, access root terminal, etc. System was firewalled and using avast antivirus (o.k., I'm paranoid. Used to do Windows sys-op and security.) But relative newbie to Linux.

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  • 2012 Oracle Fusion Middleware Innovation Awards Announced

    - by Tanu Sood
    Guest Contributor: Margaret Harrist. Originally posted on Oracle NewsCentral Companies from around the world were honored Tuesday for their innovative solutions using Oracle Fusion Middleware. This year’s 27 award winners, representing 11 countries and a wide span of industries, wowed the judges with a range of projects across eight product categories. A panel of judges scored each entry across multiple categories, including the uniqueness of their business case, business benefits, level of impact relative to the size of the organization, complexity and magnitude of implementation, and the architecture’s originality. In a general session just before the award presentation, Oracle Executive Vice President Hasan Rizvi highlighted a few of the winners’ original implementations, including Nike, Los Angeles Department of Water and Power, and Nintendo of America. Congratulations to the 2012 winners: Oracle Exalogic: Netshoes, Claro, UL, and Ingersoll Rand Oracle Cloud Application Foundation: Mazda Motor Corporation, HOTELBEDS Technology, Globalia, Nike, and Comcast Corporation Oracle SOA and Oracle BPM: NTT Docomo, Schneider National, Amadeus, and Motability Oracle WebCenter: News Limited, University of Louisville, China Mobile Jiangsu, Life Technologies Oracle Identity Management: Education Testing Service and Avea Oracle Data Integration: Raymond James and William Morrison Supermarkets Oracle Application Development Framework and Oracle Fusion Development: Qualcomm, Micros Systems, and Marfin Egnatia Bank Business Analytics (Oracle BI, Oracle EPM, Oracle Exalytics): INC Research, Experian, and Hologic

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  • Where can I find design exercises to work on?

    - by Oak
    I feel it's important to continue practicing my problem-solving skills. Writing my own mini-projects is one way, but another is to try and solve problems posted online. It's easy to find interesting programming quizzes online that require applying clever algorithms to solve - Project Euler is one well-known example. However, in a lot of real-life projects the design of the software - especially in the initial phases - has a large impact and at later stages it cannot be tweaked as easily as plain algorithms. In order to improve these skills, I'm looking for any collection of design problems. When I say "design", I mean the abstract design of a software solution - for example what modules will there be and what are the dependencies between them, how data will flow in the program, what sort of data needs to be saved in the database, etc. Design problems are those problems that are critical to solve in the early stages of any project, but their solution is a whiteboard diagram without a single line of code. Of course these sort of problems do not have a single correct solution, but I'll be especially happy with any place that also displays pros and cons of the typical solutions that might be used to approach the problem.

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  • How to define template directives (from an API perspective)?

    - by Ralph
    Preface I'm writing a template language (don't bother trying to talk me out of it), and in it, there are two kinds of user-extensible nodes. TemplateTags and TemplateDirectives. A TemplateTag closely relates to an HTML tag -- it might look something like div(class="green") { "content" } And it'll be rendered as <div class="green">content</div> i.e., it takes a bunch of attributes, plus some content, and spits out some HTML. TemplateDirectives are a little more complicated. They can be things like for loops, ifs, includes, and other such things. They look a lot like a TemplateTag, but they need to be processed differently. For example, @for($i in $items) { div(class="green") { $i } } Would loop over $items and output the content with the variable $i substituted in each time. So.... I'm trying to decide on a way to define these directives now. Template Tags The TemplateTags are pretty easy to write. They look something like this: [TemplateTag] static string div(string content = null, object attrs = null) { return HtmlTag("div", content, attrs); } Where content gets the stuff between the curly braces (pre-rendered if there are variables in it and such), and attrs is either a Dictionary<string,object> of attributes, or an anonymous type used like a dictionary. It just returns the HTML which gets plunked into its place. Simple! You can write tags in basically 1 line. Template Directives The way I've defined them now looks like this: [TemplateDirective] static string @for(string @params, string content) { var tokens = Regex.Split(@params, @"\sin\s").Select(s => s.Trim()).ToArray(); string itemName = tokens[0].Substring(1); string enumName = tokens[1].Substring(1); var enumerable = data[enumName] as IEnumerable; var sb = new StringBuilder(); var template = new Template(content); foreach (var item in enumerable) { var templateVars = new Dictionary<string, object>(data) { { itemName, item } }; sb.Append(template.Render(templateVars)); } return sb.ToString(); } (Working example). Basically, the stuff between the ( and ) is not split into arguments automatically (like the template tags do), and the content isn't pre-rendered either. The reason it isn't pre-rendered is because you might want to add or remove some template variables or something first. In this case, we add the $i variable to the template variables, var templateVars = new Dictionary<string, object>(data) { { itemName, item } }; And then render the content manually, sb.Append(template.Render(templateVars)); Question I'm wondering if this is the best approach to defining custom Template Directives. I want to make it as easy as possible. What if the user doesn't know how to render templates, or doesn't know that he's supposed to? Maybe I should pass in a Template instance pre-filled with the content instead? Or maybe only let him tamper w/ the template variables, and then automatically render the content at the end? OTOH, for things like "if" if the condition fails, then the template wouldn't need to be rendered at all. So there's a lot of flexibility I need to allow in here. Thoughts?

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  • More on Oracle OpenWorld 2012

    - by Maria Colgan
    With only two weeks to go until Oracle OpenWorld, it is time to start planning your schedule. Every year folks ask me what Optimizer related sessions they should go and see at OpenWorld. Below are my top two picks for each day of the conference, to get your schedule started. Sunday, September 30th at 9am Beginning performance tuning Session UGF 3320 in Moscone West, room 2022 Sunday September 30th at 12:30pm Ten Surprising Performance Tactics Session UGF10426 in Moscone West, room 2016 Monday October 1st at 12:15pm The Evolution of Histograms in Oracle Database Session CON2803 in Moscone south, room 302 Monday October 1st at 1:45pm A Day in the Life of a Real-World Performance Engineer Session CON8404 in Moscone south, room 303 Tuesday October 2nd at 11:45am Oracle Partitioning: It’s Getting Even Better Session CON8321 in Moscone South, room 101 Tuesday October 2nd at 1:15pm Oracle Optimizer: Harnessing the Power of Optimizer Hints  Session CON8455 in Moscone South, room 103 Wednesday October 3rd at 3:30pm SQL Plan Stability: Post 11g Upgrade—Verizon Wireless’ Experience Session CON4485 in Moscone South, room 302 Wednesday October 3rd at 5pm Five SQL and PL/SQL Things in the Latest Generation of Database Technology Session CON8432 Moscone South, room 103 Thursday, October 4th at 11:15pm How the Query Optimizer Learns from Its Mistakes  Session CON3330 in Moscone west, room 3016 Thursday, October 4th at 12:45pm Oracle Optimizer: An Insider’s View of How the Optimizer Works Session CON8457 in Moscone South, room 104 Don't forget to pickup an Optimizer bumper sticker at the Optimizer demo booth. This year we are located in booth 3157, in the Database area of the demogrounds, in Moscone South. Members of the Optimizer development team will be there Monday through Wednesday from 9:45 am until 6pm.

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  • Finding bugs is difficult, right?

    - by Laila
    Something I hear developers tell us all the time is that they take pride in being a developer.and that bugs are a dent in that pride. Someone once told me "I know I have found bugs years later, and it's the worst feeling in the world." So how can you avoid that sinking feeling when you find out a bug has been in production months before someone lets you know about it? Besides, let's face it: hearing about a bug often means a world of pain, because it can take hours to track down where the problem is and more hours (if not days) to fix it. And during that time, you're not working on something new, and that, my friends, is really frustrating! So to cheer you up, we've created a Bug Hunt game, where you battle against the clock to spot bugs. We've really enjoyed putting this together and hope you enjoy playing it too. Once you're done with the bug hunt, we explain how easy it can be to find and fix bugs in real life, using a neat mechanism that we call Automated Error Reporting. Play the game now.

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  • Problems with Ubuntu and AMD A10-4655M APU

    - by Robert Hanks
    I have a new HP Sleekbook 6z with AMD A10-4655M APU. I tried installing Ubuntu with wubi--the first attempt ended up with a 'AMD unsupported hardware' watermark that I wasn't able to remove (the appeared when I tried to update the drivers as Ubuntu suggested) On the second attempted install Ubuntu installed (I stayed away from the suggested drivers) but the performance was extremely poor----as in Windows Vista poor. I am not sure what the solution is--if I need to wait until there is a kernel update with Ubuntu or if there are other solutions--I realise this is a new APU for the market. I would love to have Ubuntu 12.04 up and running--Windows 7 does very well with this new processor so Ubuntu should, well, be lightening speed. The trial on the Sleekbook with Ubuntu 12.10 Alpha 2 release was a complete failure. I created a bootable USB. By using either the 'Try Ubuntu' or 'Install Ubuntu' options resulted in the usual purple Ubuntu splash screen, followed by nothing...as in a black screen without any hint of life. Interestingly one can hear the Ubuntu intro sound. In case you are wondering, this same USB was trialed subsequently on another computer with and Intel Atom Processor. Worked flawlessly. Lastly the second trial on the Sleekbook resulted in the same results as the first paragraph. Perhaps 12.10 Beta will overcome this issue, or the finalised 12.10 release in October. I don't have the expertise to know what the cause of the behaviour is-the issue could be something else entirely. Sadly, the Windows 7 performance is very good with this processor-very similar and in some instances better to the 2nd generation Intel i5 based computer I use at my workplace. Whatever the cause is for the performance with Ubuntu 12.04 or 12.10 Alpha 2, the situation doesn't bode well for Ubuntu. Ubuntu aside, the HP Sleekbook is a good performer for the price. I am certain once the Ubuntu issue is worked on and solutions arise, the Ubuntu performance will probably be better than ever.

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