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  • Doesn't installing "All locales" install necessary fonts too?

    - by its_me
    I recently noticed that my browsers rendered blank text (or invisible text?) on some websites in foreign languages, like Chinese. inside.com.tw, for example. Later I learnt that by default Debian only installs one locale (the one you choose during the installation process), and others need to be installed manually. So, I ran the command: # dpkg-reconfigure locales And selected All locales from the options screen that followed, and proceeded with the rest of the process, which also includes changing the default locale (which I set to en_US.UTF-8). Then I restarted my system. I still can't read the website that I mentioned earlier (inside.com.tw). Most of the text is blank, i.e. invisible. With the page translated by Chrome to my default language (en_US), the text is visible; BUT not in the original language. Why is this happening? Does this mean that installing locales isn't actually necessary, and all I have to do is install the fonts for all supported languages? If so, how do I install all the fonts necessary for All locales? UPDATE: An easy fix is to install the unifont package which adds support for all Unicode 5.1 characters. But the rendering is of very bad quality. So, how I install all font packages? I notice that there are three sets, ones starting with fonts-*, another with xfonts-*, and ttf-*? Which set should I exactly go with, and how do I install that set of fonts. Looking for a knowledgeable solution.

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  • Oracle Tutor: Learn Tutor in the comfort of your own home or office

    - by emily.chorba(at)oracle.com
    The primary challenge for companies faced with documenting policies and procedures is to realize that they can do this documentation in-house, with existing resources, using Oracle Tutor. Procedure documentation is a critical success component for supporting corporate governance or other regulatory compliance initiatives and when implementing or upgrading to a new business application. There are over 1000 Oracle Tutor customers worldwide that have used Tutor to create, distribute, and maintain their business procedures. This is easily accomplished because of Tutor's: Ease of use by those who have to write procedures (Microsoft Word based authoring) Ease of company-wide implementation (complex document management activities are centralized) Ease of use by workers who have to follow the procedures (play script format)Ease of access by remote workers (web-enabled) Oracle University is offering Live Virtual Tutor classes! The class lasts four days, starts on Tuesday and finishes on Friday. This course is an introduction to the Oracle Tutor suite of products. It focuses on the Policy and Procedure writing feature set of the Tutor applications. Participants will learn about writing procedures and maintaining these particular process document types, all using the Tutor method. The next three classes are scheduled for: April 19 - 22 May 31 - June 3 July 5 - 8 You will learn to: Write procedures Create procedure Flowcharts Write support documents Create Impact Analysis Reports Create Role-base Employee Manuals Deploy online Employee Manuals on an Intranet Enjoy learning Tutor in your local environment. Start the sign up process from this link Learn More For more information about Tutor, visit Oracle.com or the Tutor Blog. Post your questions at the Tutor Forum. Emily Chorba Principle Product Manager Oracle Tutor & BPM

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  • Codeigniter + JQuery + Processing.js to replace a Delphi App

    - by Peter Turner
    So, I've got a mandate to make our aged trillion lined Delphi app web based and it needs to make heavy use of the <canvas> element (HTML5 compatibility doesn't seem to be a big issue since we can just make our clients use a compatible browser the way we'd make them use a compatible version of Windows in the win32 environment). The Delphi app in question is almost completely database driven and will still pretty much continue to be developed as the main product. What I am tasked with is pretty much recreating a scaled down version of the program that performs the major functions of the whole program. I couldn't find any frameworks that simulate windows forms using the canvas element, I'm assuming this is probably by design since it is easier just to use HTML, well, be that as it may, I still think it would be cool to have a few of my cool controls on the web (TRichView and TVirtualTree, etc...) So my question is, to anyone who has tried this before, A.) What can we use for an IDE to code this web app (I just use emacs, but no one else in my company does)? B.) Is it a good idea to mix PHP and Processing.JS? It seems like I'm using a lot of AJAX to get anything to happen. 3 calls just for one dialog box to pop up, Loads the HTML for the dialog, Loads the XML to populate the database info on the form Loads the processing.js PJS file which draws the database info to the canvas. Is three a lot, do people usually combine all their gets into one?

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  • How do I prevent skype from starting another instance when it's already running?

    - by con-f-use
    Just a little unnecessary annoyance to fix here: Suppose you have Skype for Ubuntu running. You accidentally click on the launcher again. The way it is now, Skype starts a second instance, which promptly tells you it can't log in. There is another instance already running. To make things worse: On the next regular start of Skype it you will have to re-enter your saved password, due to the "Sign in failure". I thought this would be fixed soon but neither Canonical nor Microsoft care enough. The annoyance continues to exist for the last three updates at least. So in an approach to provide a workaround I will post what I've done to prevent this behaviour. Maybe it's useful for some of you. Maybe it will rise awareness and cause a fix. I'm happy for any better solution btw. and that's the real purpose of my question. Usually I don't answer them myself. So doesn anyone know of a better solution to fix dual instancing of Skype?

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  • ODI 12c - Getting up and running fast

    - by David Allan
    Here's a quick A-B-C to show you how to quickly get up and running with ODI 12c, from getting the software to creating a repository via wizard or the command line, then installing an agent for running load plans and the like. A. Get the software from OTN and install studio. Check out this viewlet here for quickly doing this. B. Create a repository using the RCU, check out this viewlet here which uses the FMW Repository Creation Utility.  You can also silently create (and drop) a repository using the command line, this is really easy. .\rcu -silent -createRepository -connectString yourhost:1521:orcl.st-users.us.oracle.com -dbUser sys -dbRole sysdba -useSamePasswordForAllSchemaUsers true -schemaPrefix X -component ODI -component IAU  -component IAU_APPEND  -component IAU_VIEWER -component OPSS < passwords.txt where the passwords file contains info such as; sysdba_passwd newschema_passwd odi_user_passwd D workreposname workrepos_passwd  You can find details about the silent use of RCU here in the FMW documentation. C. Quickly create an agent for executing load plans and the like -  there is a great OBE for this, check it out here. If you are on your laptop and just wanting as minimal an agent as possible then this link is a must. With these three steps you are ready to get to the fun stuff! Check out more OBEs here - keep on the lookout for more!

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  • ArchBeat Link-o-Rama for 11/14/2011

    - by Bob Rhubart
    InfoQ: Developer-Driven Threat Modeling Threat modeling is critical for assessing and mitigating the security risks in software systems. In this IEEE article, author Danny Dhillon discusses a developer-driven threat modeling approach to identify threats using the dataflow diagrams. Managing the Virtual World | Philip J. Gill "The killer app for virtualization has been server consolidation," says Al Gillen, program vice president for systems software at market research firm International Data Corporation (IDC). Solaris X86 AESNI OpenSSL Engine | Dan Anderson "Having X86 AESNI hardware crypto instructions is all well and good, but how do we access it? The software is available with Solaris 11 and is used automatically if you are running Solaris x86 on a AESNI-capable processor," says Anderson. WebLogic Access Management | René van Wijk "This post is a continuation of the post WebLogic Identity Management. In this post we will present the steps involved to integrate WebLogic and Oracle Access Manager," says Oracle ACE René van Wijk. OTN Developer Days in the Nordics - Helsinki, Oslo, Stockholm, and Copenhagen OTN Developer days head for the land of the midnight sun. Podcast: Information Integration Part 2/3 In part two of a three-part program, Oracle Information Integration, Migration, and Consolidation authors Jason Williamson, Tom Laszewsk, and Marc Hebert offer examples of some of the most daunting information integration challenges. Measuring the Human Task activity in Oracle BPM | Leon Smiers Leon Smiers discusses using Oracle BPM to get answer to important questions about what's happening with business process. Architecture all day. Oracle Technology Network Architect Day - Phoenix, AZ- Dec 14 Spend the day with your peers learning from experts in Cloud computing, engineered systems, and Oracle Fusion Middleware. The Heroes of Java: Michael Hüttermann | Markus Eisele Oracle ACE Director Markus Eisele interviews Java Champion Michael Hüttermann on his role, his process, and on why he uses Java.

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  • Stereo images rectification and disparity: which algorithms?

    - by alessandro.francesconi
    I'm trying to figure out what are currently the two most efficent algorithms that permit, starting from a L/R pair of stereo images created using a traditional camera (so affected by some epipolar lines misalignment), to produce a pair of adjusted images plus their depth information by looking at their disparity. Actually I've found lots of papers about these two methods, like: "Computing Rectifying Homographies for Stereo Vision" (Zhang - seems one of the best for rectification only) "Three-step image recti?cation" (Monasse) "Rectification and Disparity" (slideshow by Navab) "A fast area-based stereo matching algorithm" (Di Stefano - seems a bit inaccurate) "Computing Visual Correspondence with Occlusions via Graph Cuts" (Kolmogorov - this one produces a very good disparity map, with also occlusion informations, but is it efficient?) "Dense Disparity Map Estimation Respecting Image Discontinuities" (Alvarez - toooo long for a first review) Anyone could please give me some advices for orienting into this wide topic? What kind of algorithm/method should I treat first, considering that I'll work on a very simple input: a pair of left and right images and nothing else, no more information (some papers are based on additional, pre-taken, calibration infos)? Speaking about working implementations, the only interesting results I've seen so far belongs to this piece of software, but only for automatic rectification, not disparity: http://stereo.jpn.org/eng/stphmkr/index.html I tried the "auto-adjustment" feature and seems really effective. Too bad there is no source code...

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  • SQLAuthority News – Resolution for New Year 2011

    - by pinaldave
    Today is the first day of the year so I want to write something very light. Last Year: 2010 Last Year was a blast; really traveled a lot. My family and I went on vacation. There I enjoyed being father, rolling on the floor and playing with my daughter. Here is the list of the countries I visited throughout 2010: Singapore (twice) Malaysia (twice) Sri Lanka (thrice) Nepal (once) United States of America (twice) United Arab Emirates (UAE) (once) My daughter who just completed 1 year on September 1, 2010 has so far visited three countries: Singapore, Malaysia and Sri Lanka, where I have done lots of community activities. The list containing all my activities can be found at Pinal Dave’s Community Events. I have written nearly 380 blog posts last year. It would be difficult for me to pick a few. However, I keep a running list of all of my articles over here: All Articles on SQLAuthority.com. I have so far received more than 10,000 email questions during the year and consequently I have done my best to answer most of them. I strongly believe if one would Search SQLAuthority.com blog, they would have found the answer quickly. The best part of 2010 for me was working on SQL Server Health Check and SQL Server Performance Tuning. This Year: 2011 This year, I came up with two simple goals: 1. Personal Goal: Reduce Weight 2. Professional Goal: Stay busy for the entire year with SQL Server Performance Tuning Projects. (Currently January 2011 is booked with performance tuning projects and 40 other days are already booked throughout the year). Future The future is something one cannot exactly guess and one cannot see. I just want to wish all of you the very best for this coming New Year. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: About Me, Pinal Dave, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, SQLAuthority News, T SQL, Technology

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  • Attempting to dual boot Ubuntu and Windows 7 on Sony Vaio with Insyde H2O BIOS

    - by zach
    My situation is the same that is addressed here Sony VAIO with Insyde H2O EFI bios will not boot into GRUB EFI and here http://www.hackourlife.com/sony-vaio-with-insyde-h2o-efi-bios-ubuntu-12-04-dual-boot I tried to install Ubuntu 12.04 from the Live CD alongside my current Windows 7. I have to switch my BIOS to legacy mode in order to boot from CD. If I were to do a normal installation and remain in legacy mode, the BIOS will display "operating system not found". If I switch back then the BIOS just boots to windows. To solve the problem, I tried following the steps in the previous two articles. My drive is partitioned as: sda1 FAT32 Location of Windows EFI files (flagged as boot in Ubuntu install) sda2 unknown sda3 NFTS Windows C: sda4 ext4 Ubuntu root sda5 swap sda6 ext4 Ubuntu home I was a little confused by the requirement in the second article to "be careful to install Grub bootloader in /dev/sda3" In my case, the relevant partition is sda1. I have tried three things: setting the sda1 mount point as /boot, as /boot/efi, and as the special reserved grub partition. In each install I indicated that grub should be installed in sda1. After each install I reboot to the live CD and look in the sda1. I see EFI/Boot and EFI/Windows, but no EFI/Ubuntu and consequently no grubx64.efi. I understand the recommended procedure of moving grubx64.efi into the EFI/Boot directory and replacing the present bootx64.efi file, but I see no grubx64.efi and I don't know where it should be.

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  • Java issues on OpenVZ Ubuntu 11.04 (.jar/.sh files)

    - by IWillNotChange
    I've had a whole line of messes with java and .jar files. I've tried both OpenJDK (from software installer) and about three repositories for Sun. /Desktop# java -jar -Xmx1024m ss.jar Exception in thread "main" java.awt.HeadlessException at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:173) at java.awt.Window.<init>(Window.java:476) at java.awt.Frame.<init>(Frame.java:419) at java.awt.Frame.<init>(Frame.java:384) at javax.swing.JFrame.<init>(JFrame.java:174) at org.powerbot.bd.<init>(Unknown Source) at org.powerbot.Boot.main(Unknown Source) Two separate errors: ~/Desktop# ./ss.sh [SEVERE] org.server.Boot: Default heap size of 490m too small, restarting with 768m and about 30 different crashes were it just "aborts" with a huge file dump. Each time I've tried something a little different, whether it be updating Java or just changing -Xmx1024 to -Xmx1024m to get rid of the heap. Personally I think it has something to do with OpenVZ, but Google hasn't saved me this time, I need someone who can get to the bottom of my problem. java -version java version "1.6.0_26" Java(TM) SE Runtime Environment (build 1.6.0_26-b03) Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) is my current install. Running ss.sh gives me: (I'd post the entire log but its long) # # A fatal error has been detected by the Java Runtime Environment: # # SIGILL (0x4) at pc=0x00002b14278e6fa0, pid=9301, tid=47365590714112 # # JRE version: 6.0_26-b03 # Java VM: Java HotSpot(TM) 64-Bit Server VM (20.1-b02 mixed mode linux-amd64 compressed oops) # Problematic frame: # C [ld-linux-x86-64.so.2+0x14fa0] _dl_make_stack_executable+0x2b50 # # If you would like to submit a bug report, please visit: # http://java.sun.com/webapps/bugreport/crash.jsp # The crash happened outside the Java Virtual Machine in native code. # See problematic frame for where to report the bug. # I'm willing to let someone who knows what they are talking about view it and try and sort this out. Any help would be appreciated, I've about pulled all my hair Googling to no avail.

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  • no disk space, cant use internet

    - by James
    after trying to install drivers using sudo apt-get update && sudo apt-get upgrade, im faced with a message saying no space left on device, i ran disk usage analyzer as root and there was three folders namely, main volume, home folder, and my 116gb hard drive (which is practically empty) yet both other folders are full, which is stopping me installing drivers because of space, how do i get ubuntu to use this space on my hard drive? its causing problems because i cant gain access to the internet as i cant download drivers when i havnt got enough space, this happens every time i try it sudo fdisk -l Disk /dev/sda: 120.0GB, 120034123776 bytes 255 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0003eeed Device Boot Start End Blocks Id System /dev/sda1 * 2048 231315455 115656704 83 Linux /dev/sda2 231317502 234440703 1561601 5 Extended /dev/sda5 231317504 234440703 1561600 82 Linux swap / solaris Output of df -h df: '/media/ubuntu/FB18-ED76': No such file or directory Filesysytem Size Used Avail Use% Mounted on /cow 751M 751M 0 100% / udev 740M 12K 740M 1% /dev tmpfs 151M 792K 150M 1% /run /dev/sr0 794M 794M 0 100% /cdrom /dev/loop0 758M 758M 0 100% /rofs none 4.0K 0 4.0K 0% /sys/fs/cgroup tmpfs 751M 1.4M 749M 1% /tmp none 5.0M 4.0K 5.0M 1% /run/lock none 751M 276K 751M 1% /run/shm none 100M 40K 100M 1% /run/user

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  • How to filter a mysql database with user input on a website and then spit the filtered table back to the website? [migrated]

    - by Luke
    I've been researching this on google for literally 3 weeks, racking my brain and still not quite finding anything. I can't believe this is so elusive. (I'm a complete beginner so if my terminology sounds stupid then that's why.) I have a database in mysql/phpmyadmin on my web host. I'm trying to create a front end that will allow a user to specify criteria for querying the database in a way that they don't have to know sql, basically just combo boxes and checkboxes on a form. Then have this form 'submit' a query to the database, and show the filtered tables. This is how the SQL looks in Microsoft Access: PARAMETERS TEXTINPUT1 Text ( 255 ), NUMBERINPUT1 IEEEDouble; // pops up a list of parameters for the user to input SELECT DISTINCT Table1.Column1, Table1.Column2, Table1.Column3,* // selects only the unique rows in these three columns FROM Table1 // the table where this query is happening WHERE (((Table1.Column1) Like TEXTINPUT1] AND ((Table1.Column2)<=[NUMBERINPUT1] AND ((Table1.Column3)>=[NUMBERINPUT1])); // the criteria for the filter, it's comparing the user input parameters to the data in the rows and only selecting matches according to the equal sign, or greater than + equal sign, or less than + equal sign What I don't get: WHAT IN THE WORLD AM I SUPPOSED TO USE (that isn't totally hard)!? I've tried google fusion tables - doesn't filter right with numerical data or empty cells in rows, can't relate tables I've tried DataTables.net, can't filter right with numerical data and can't use SQL without a bunch of indepth knowledge, not even sure it can if you have that.. I've looked into using jQuery with google spreadsheets, doesn't work at all either I have no idea how I'm supposed to build a front end with my database. Every place that looks promising (like zohocreator) is asking for money, and is far too simplified to be able to do the LIKE criteria or SELECT DISTINCT stuff.

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  • What You Said: How You Track Your Time

    - by Jason Fitzpatrick
    Earlier this week we asked you to share your favorite time tracking tips, tricks, and tools. Now we’re back to highlight the techniques HTG readers use to keep tabs on their time. While more than one of you expressed confusion over the idea of tracking how you spend all your time, many of you were more than happy to share the reasons for and the methods you use to stay on top of your time expenditures. Scott uses a fluid and flexible project management tool: I use kanbanflow.com, with two boards to manage task prioritisation and backlog. One board called ‘Current Work’ has three columns ‘Do Today’, ‘In Progress’ and ‘Done’. The other is called ‘Backlog’, which splits tasks into priority groups – ‘Distractions (NU+NI)’, ‘Goals (NU+I)’, ‘Interruptions (U+NI)’, ‘Interruptions (U+NI)’ and ‘Critical (U+I)’, where U is Urgent and I is Important (and N is Not). At the end of each day, I move things from my Backlog to my ‘Current Work’ board, with the idea to keep complete Goals before they become Critical. That way I can focus on ‘Current Work’ Do Today so I don’t feel overwhelmed and can plan my day. As priorities change or interruptions pop up, it’s just a matter of moving tasks between boards. I have both tabs open in my browser all day – this is probably good for knowledge workers strapped to their desk, not so good for those in meetings all day. In that case, go with the calendar on your phone. While the above description might make it sound really technical, we took the cloud-based app for a spin and found the interface to be very flexible and easy to use. Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer Why Enabling “Do Not Track” Doesn’t Stop You From Being Tracked

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  • Encrypted home breaks on login

    - by berkes
    My home is encrypted, which breaks the login. Gnome and other services try to find all sorts of .files, write to them, read from them and so on. E.g. .ICEauthority. They are not found (yet) because at that moment the home is still encrypted. I do not have automatic login set, since that has known issues with encrypted home in Ubuntu. When I go trough the following steps, there is no problem: boot up the system. [ctr][alt][F1], login. run ecryptfs-mount-private [ctr][alt][F7], done. Can now login. I may have some setting wrong, but have no idea where. I suspect ecryptfs-mount-private should be ran earlier in bootstrap, but do not know how to make it so. Some issues that may cause trouble: I have a fingerprint reader, it works for login and PAM. I have three keyrings in seahorse, containing passwords from old machines (backups). Not just one. Suggestion was that the PAM settings are wrong, so here are the relevant parts from /etc/pam.d/common-auth. # here are the per-package modules (the "Primary" block) auth [success=3 default=ignore] pam_fprintd.so auth [success=2 default=ignore] pam_unix.so nullok_secure try_first_pass auth [success=1 default=ignore] pam_winbind.so krb5_auth krb5_ccache_type=FILE cached_login try_first_pass # here's the fallback if no module succeeds auth requisite pam_deny.so # prime the stack with a positive return value if there isn't one already; # this avoids us returning an error just because nothing sets a success code # since the modules above will each just jump around auth required pam_permit.so # and here are more per-package modules (the "Additional" block) auth optional pam_ecryptfs.so unwrap # end of pam-auth-update config I am not sure about how this configuration works, but ut seems that maybe the*optional* in auth optional pam_ecryptfs.so unwrap is causing the ecryptfs to be ignored?

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  • The king is dead, long live the king&ndash;Cloud Evening 15th Feb in London

    - by Eric Nelson
    Advert alert :-) The UK's only Cloud user group The Cloud is the hot topic. You can’t escape hearing about it everywhere you go. Cloud Evening is the UK’s only cloud-focussed user group. Cloud Evening replaces UKAzureNet, with a new objective to cover all aspects of Cloud Computing, across all platforms, technologies and providers. We want to create a community for developers and architects to come together, learn, share stories and share experiences. Each event we’ll bring you two speakers talking about what’s hot in the world of Cloud. Our first event was a great success and we're now having the second exciting instalment. We're covering running third party applications on Azure and federated identity management. We will, of course, keep you fed and watered with beer and pizza. Spaces are limited so please sign-up now! Agenda 6.00pm – Registration 6.30pm – Windows Azure and running third-party software - using Elevated Privileges, Full IIS or VM Roles  (by @MarkRendle): We all know how simple it is to run your own applications on Azure, but how about existing software? Using the RavenDB document database software as an example, Mark will look at three ways to get 3rd-party software running on Azure, including the use of Start-up Tasks, Full IIS support and VM Roles, with a discussion of the pros and cons of each approach. 7.30pm – Beer and Pizza. 8.00pm – Federated identity – integrating Active Directory with Azure-based apps and Office 365  (by Steve Plank): Steve will cover off how to write great applications which leverage your existing on-premises Active Directory, along with providing seamless access to Office 365. We hope you can join us for what looks set to be a great evening. Register now

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  • ADF sessions at UKOUG conference by Grant Ronald

    - by JuergenKress
    For those in the UK, or those who have a few travel dollars left in their budget I just wanted to hi-light a couple of reasons you might want to present to your management as to why you should attend the UKOUG conference this year to get your ADF fill. Firstly, there are three days packed with the ADF content from the brightest minds in ADF-land. In no particular order, some of the stand out sessions for me will be: Duncan Mills presenting a keynote on the Future of Oracle's Fusion Development Luc Bors will be demoing ADF Mobile Frank Nimphius will be giving a tour around JDeveloper 12c Steven Davelaar of JHeadstart fame will be giving an insight on task flows and ADF Faces. Aino Andriessen will focus on build and deployment Frank Houweling will tell us how he can make your ADF application run 70% faster Chris Muir will give a masterclass on ADF architecture. In addition, the UKOUG will be running a 3 days of ADF Mobile hands-on sessions. Mobile is just about the hottest development topic at this time so this is an ideal opportunity to roll up your sleeves and build on-device mobile applications. There will also be a roundtable discussion on which development tool is right for you, and a roundtable on the strategic importance of ADF. Of course, the conference is not all about ADF; Tom Kyte will be there, Cliff Godwin (SVP who looks after Oracle Applications) and a host of others. This might be a great opportunity to get some ADF education. For more adf information visit Grant Ronald’s blog. WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. BlogTwitterLinkedInMixForumWiki Technorati Tags: ADF,UKOUG,conference,WebLogic Community,Oracle,OPN,Jürgen Kress

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  • Constructor vs setter validations

    - by Jimmy
    I have the following class : public class Project { private int id; private String name; public Project(int id, String name, Date creationDate, int fps, List<String> frames) { if(name == null ){ throw new NullPointerException("Name can't be null"); } if(id == 0 ){ throw new IllegalArgumentException("id can't be zero"); } this.name = name; this.id = id; } public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } } I have three questions: Do I use the class setters instead of setting the fields directly. One of the reason that I set it directly, is that in the code the setters are not final and they could be overridden. If the right way is to set it directly and I want to make sure that the name filed is not null always. Should I provide two checks, one in the constructor and one in the setter. I read in effective java that I should use NullPointerException for null parameters. Should I use IllegalArgumentException for other checks, like id in the example.

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  • SQLAuthority News – #SQLPASS 2012 Book Signing Photos

    - by pinaldave
    I am at SQLPASS 2012 and the event is going great. Here are few of the random photos and random news. We had participated in three different book signing event today. SQL Queries 2012 Joes 2 Pros Book 1 Launch and Book Signing SQL 2012 Functions Book Launch at Embarcadero SQL Backup and Recovery Book Launch at Idera Rick Morelan and I authored the first two books 1) SQL 2012 Functions and 2) SQL Queries 2012 Joes 2 Pros Volume 1. Our dear friend Tim Randney authored SQL Backup and Recovery Book. In the book signing event of Tim Radney I went ahead of the time and stood in the line. I was fortunate to receive the very first copy of the autographed book from Tim Radney. We have one more book signing event of the book SQL Backup and Recovery by Tim Randey on Friday 9, 2012 between 12 to 1 PM at Joes 2 Pros booth #117. This is your last chance to shake hands with us and meet us in person. Reference: Pinal Dave (http://blog.sqlauthority.com)   Filed under: PostADay, SQL, SQL Authority, SQL PASS, SQL Query, SQL Server, SQL Tips and Tricks, SQLAuthority Author Visit, SQLAuthority News, T SQL, Technology

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  • Character progression through leveling, skills or items?

    - by Anton
    I'm working on a design for an RPG game, and I'm having some doubts about the skill and level system. I'm going for a more casual, explorative gaming experience and so thought about lowering the game complexity by simplifying character progression. But I'm having trouble deciding between the following: Progression through leveling, no complex skill progression, leveling increases base stats. Progression through skills, no leveling or base stat changes, skills progress through usage. Progression through items, more focus on stat-changing items, items confer skills, no leveling. However, I'm uncertain what the effects on gameplay might be in the end. So, my question is this: What would be the effects of choosing one of the above alternatives over the others? (Particularly with regards to the style and feel of the gameplay) My take on it is that the first sacrifices more frequent rewards and customization in favor of a simpler gameplay; the second sacrifices explicit customization and player control in favor of more frequent rewards and a somewhat simpler gameplay; while the third sacrifices inventory simplicity and a player metric in favor of player control, customization and progression simplicity. Addendum: I'm not really limiting myself to the above three, they are just the ones I liked most and am primarily interested in.

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  • Gathering all data in single iteration vs using functions for readable code

    - by user828584
    Say I have an array of runners with which I need to find the tallest runner, the fastest runner, and the lightest runner. It seems like the most readable solution would be: runners = getRunners(); tallestRunner = getTallestRunner(runners); fastestRunner = getFastestRunner(runners); lightestRunner = getLightestRunner(runners); ..where each function iterates over the runners and keeps track of the largest height, greatest speed, and lowest weight. Iterating over the array three times, however, doesn't seem like a very good idea. It would instead be better to do: int greatestHeght, greatestSpeed, leastWeight; Runner tallestRunner, fastestRunner, lightestRunner; for(runner in runners){ if(runner.height > greatestHeight) { greatestHeight = runner.height; tallestRunner = runner; } if(runner.speed > ... } While this isn't too unreadable, it can get messy when there is more logic for each piece of information being extracted in the iteration. What's the middle ground here? How can I use only a single iteration while still keeping the code divided into logical units?

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  • links for 2010-03-31

    - by Bob Rhubart
    Andy Mulholland: Rethinking the narrow and deep expertise model "We increasingly realise that we have to read requirements in a more open way to decide what techniques can be used, what business experience can be added, etc, so the whole idea of encouraging ‘cross’ discipline understanding seems to look increasingly necessary as we look at how technology touches every part of business, and/or any other aspect of life. It is time to rethink the narrow and deep expertise model and consider T-shaped approaches where the depth is complimented by the width to understand how it might be used and how it fits with other capabilities and disciplines too." -- Andy Mulholland (tags: enterprisearchitecture) @vambenepe: Smoothing a discrete world "For the short term (until we sell one) there are three cars in my household. A manual transmission, an automatic and a CVT (continuous variable transmission). This makes me uniquely qualified to write about Cloud Computing." -- William Vambenepe (tags: otn oracle cloud) @fteter: The Price of Progress "I wonder about the price of progress on the business world. Do some of us get attached to old business models or software applications? Do we resist change for the better for emotional reasons? Are we sometimes impediments to progress just because we don't want things to change?" -- Oracle ACE Director Floyd Teter (tags: otn oracle oracleace progress innovation) Pat Shepherd: Enterprise Architecture should not be Arbitrary "If done properly the Business, Application and Information architectures are nailed down BEFORE any technological direction (SOA or otherwise) is set. Those 3 layers and Governance (people and processes), IMHO, are layers that should not vary much as they have everything to do with understanding the business -- from which technological conclusions can later be drawn." - Pat Shepherd, responding to a post by Jordan Braunstein. (tags: oracle otn enterprisearchitecture soa)

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  • Fonts look bad in Microsoft Office using Wine

    - by amfcosta
    Office fonts in wine look very different from what they look in Windows or LibreOffice. As can be seen from the attached screenshots, they look blurry in some sizes and aliased in other sizes. You can see the differences not only in the document text but also in the ribbon menu. It happens with a lot of fonts. I'm testing it with Office 2010 now, but it also happens in Office 2007. Things I've tried: Changing fontsmooth settings with winetricks - made no difference. Copying fonts from a Windows system - made no difference. Using Ubuntu's fonts (by removing the Windows/Fonts from the wineprefix) - removed the blurriness in some fonts but increased aliasing. The three screenshots correspond to different "configurations": office_wine.png - Office Word in Wine using Wine's original fonts; office_nowinefonts.png - Office Word in Wine using Ubuntu's fonts; office_windows.png - Office Word in Windows. PS: please make sure to see the screenshots without scaling them to notice the problem. EDIT: A screenshot of how Calibri behaves in Wine here.

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  • Podcast Show Notes: The Big Deal About Big Data

    - by Bob Rhubart
    This week the OTN ArchBeat kicks off a three-part series that looks at Big Data: what it is, its affect on enterprise IT, and what architects need to do to stay ahead of the big data curve. My guests for this conversation are Jean-Pierre Dijks and Andrew Bond . Jean-Pierre, based at Oracle HQ in Redwood Shores, CA, is product manager for Oracle Big Data Appliance and Oracle's big data strategy. Andrew Bond  is Head of Transformation Architecture for Oracle, where he specialzes in Data Warehousing, Business Intelligence, and Big Data. Andrew is based in the UK, but for this conversation he dialed in from a car somewhere on the streets of Amsterdam. Listen to Part 1What is Big Data, really, and why does it matter? Listen to Part 2 (Oct 10)What new challenges does Big Data present for Architects? What do architects need to do to prepare themselves and their environments? Listen to Part 3 (Oct 17)Who is driving the adoption of Big Data strategies in organizations, and why? Additional Resources http://blogs.oracle.com/datawarehousing http://www.facebook.com/pages/OracleBigData https://twitter.com/#!/OracleBigData Coming Soon A conversation about how the rapidly evolving enterprise IT landscape is transforming the roles, responsibilities, and skill requirements for architects and developers. Stay tuned: RSS

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  • Developing professionally for iOS, Android and web - an insight

    - by Scott Roberts
    This is not really a question on how to develop all three, I know various cross platform ways and so on. But I more want to know from developer standpoint how hard it is to basically develop iOS, Android and web apps? I am currently in my first job as a mobile/web developer. I have already developed my first iPhone/iPad app and now I have to develop the app for android because the web version I tried just didn't perform as well as needed and web databases just did not seem to make the cut. But I am not sure it's possible to be good at developing all 3 in terms of remembering all the api's etc. I wouldn't say I have an issue with the programming languages just how to use the api's for the various platforms. Also, all the other languages I look at, in my spare time, just feel like I am spreading myself to thin. Is it feasible for one person to be developing ios, android and web apps? Should I think about reducing it to iOS and web based apps? I develop everything by myself, so I have no one to discuss what the best solutions are for everything and I am just trying to workout as I go along. So any cross platform developers out there? Do companies have different teams for different platforms? Any insight would just help me get my head together. Hopefully this question makes sense.

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  • pdflatex reads .eps files saved in OS/X, but not in Ubuntu

    - by David B Borenstein
    Sorry if this is a stupid question; I'm a newbie. I am preparing a manuscript in LaTeX. The journal (Physical Biology, an IOP publication) requires that figures be saved in .eps format, so I am trying to do that. However, I cannot get my LaTeX file to build when I have generated the .eps files on my Ubuntu computer. If I save the images on my Mac, the file build just fine. So far, I have tried saving images in ImageJ, FIJI and Inkscape. The same problem occurs in all three. When using kile, I get the following error: /usr/share/texmf-texlive/tex/latex/oberdiek/epstopdf-base.sty:0: Shell escape feature is not enabled. In TexWorks, the error is different, but still there: Package pdftex.def Error: File `./figures4/figure4a-eps-converted-to.pdf' not found. Now, if I fire up Inkscape, FIJI or ImageJ on OS/X, everything works fine. The Mac also can't build with the Ubuntu-saved images. The images generated on the Ubuntu machine open fine using Document Viewer. I am building the same LaTeX file on both computers, with the exact same results. The header of my LaTeX file is: \documentclass[12pt]{iopart} \usepackage{graphicx} \usepackage{epstopdf} \usepackage{parskip} \usepackage{color} \usepackage{iopams} And then the code for the figure is: \begin{figure} \center{\includegraphics[width=4in] {./figures4/figure4a.eps}} \footnotesize{\caption{ \label{fig:4a} (4a) lorem ipsum dolor sic amet.}} \end{figure} I'd be happy to send an example of both .eps files. Again, sorry if this is a dumb question. I tried everything I could think of before posting here. Thanks, David

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