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• Morgan Stanley chooses Solaris 11 to run cloud file services

  - by Frederic Pariente

  At the EAKC2012 Conference last week in Edinburg, Robert Milkowski, Unix engineer at Morgan Stanley, presented on deploying OpenAFS on Solaris 11. It makes a great proofpoint on how ZFS and DTrace gives a definite advantage to Solaris over Linux to run AFS distributed file system services, the "cloud file system" as it calls it in his blog. Mike used ZFS to achieve a 2-3x compression ratio on data and greatly lower the TCA and TCO of the storage subsystem, and DTrace to root-cause scalability bottlenecks and improve performance. As future ideas, Mike is looking at leveraging more Solaris features like Zones, ZFS Dedup, SSD for ZFS, etc.

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• Install Ubuntu 12.04 on a ACER AC100

  - by pidarn

  I'm trying to install a 12.04.1 on an ACER AC100 - Mini-Server. After booting from the Install-CD there are no Disks shown. In Bios I disabled the Intel-Raid /LSI-Raid. I want to install on the 1st of 4 "native" disks and I tried to do this with RHEL 6.4 where all Disks are visible - but the UBUNTU-Installer doesn't find any of them. btw ... If I boot from the UBUNTU - Install-CD in "rescue"-mode the disks are visible?! Any Ideas?

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• Screen Corruption in half the screen only

  - by Guy DAmico

  About 50% of the my NATTY desktop screen is corrupted. Once that happens I can re-boot as many times as I want but the problem continues. If I logout and then into WINDOWS for a day I may be successful and boot UBUNTU with a good screen. The desktop is formatted correctly, there's no pixelation, rather there is a fine grained white crosshatch pattern covering the entire screen. If I open any application the screen corruption worsens eventually to the point I can no longer make out anything. I ran ram memory test w/o any errors. I have no display issues when running WINDOWS 7. Any ideas. My computer is a Dual Boot stock DELL 5150 w/3gig of ram an on board video.

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• lost the vertical scroll function in touchpad after upgrading from 13.04 to 13.10

  - by Lars Lundblad

  just upgraded from Ubuntu 13.04 to Ubuntu 13.10, my Laptop is a Sony SVE1512c6ew, scrolling worked perfectly in Ubuntu 13.04, doesnt work at all in 13.10 Runs Ubuntu 13.10 64bits (btw, tested it i Windows 8 environment works there)Hardware OK, have seen a number of other users with the same problem, well for starters have followed the tip on using the dconf editor, following the path: org gnome settings-daemon peripherals touchpad boxed in all for sure... still cant get vertical scroll...... Any ideas??? Thanks in advance Lars Lundblad / please feel free to mail answers to [email protected] Input device information according to Udev: Input device Subsystem: input Devtype: n/a Name: input7 Number: 7 Sysfs_path: /sys/devices/platform/i8042/serio1/input/input7 Driver: n/a Action: n/a Seqnum: n/a Device type: n/a Device number: 0 Device file: n/a Device file symlinks: n/a Touchpad device Subsystem: input Devtype: n/a Name: mouse1 Number: 1 Sysfs_path: /sys/devices/platform/i8042/serio1/input/input7/mouse1 Driver: n/a Action: n/a Seqnum: n/a Device type: char Device number: 3361 Device file: /dev/input/mouse1 Device file symlinks: /dev/input/by-path/platform-i8042-serio-1-mouse

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• International multi-OS keyboard layout for both coding and surfing?

  - by rassie

  So yes, the problem has been raised in parts multiple times already. Still I'm looking for a keyboard layout that has the following features: Easy on fingers (Dvorak-like layouts welcome) Easy for coding Includes german characters (typing ä with AltGr-p is not ok). Works well with web-browsing (Ctrl-t and Ctrl-w on one hand, left one very much preferred, since that's where my ex-CapsLock, now Ctrl lies) Works well with default Emacs bindings Works on both Windows and Linux (at least easily installable) I've looked at Dvorak and Neo, they both have a "shortcut problem", i.e. web-browsing and most frequent Emacs combinations use both parts of the keyboard. Using right Ctrl is usually not an option, since it'll give me RSI much faster than keeping QWERTY/Z. Funnily enough, mirroring the default Neo layout would probably be enough for me. So, any ideas?

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• Using Oracle ADF with Oracle E-Business Suite Webcast Nov 2

  - by Juan Camilo Ruiz

  If you are using Oracle ADF with Oracle E-Business Suite or ar thinking on embarking on a project with these two technologies - make sure you mark your calendar for this coming Friday, November 2nd at 8.00 a.m. PST. Sara Woodhull, Siva Puthurkattil from Lake County Illinois and I will be having a re-run of the session we delivered at Oracle OpenWorld, but this time on a Webcast. All the information on how to register and access the dial-in information is available from the Oracle E-Business Suite ATG team blog on the following link: https://blogs.oracle.com/stevenChan/entry/atg_live_webcast_november_2nd Don't miss this opportunity to learn! 

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• What are some good practices when trying to teach declarative programming to imperative programmers?

  - by ChaosPandion

  I offered to do a little bit training in F# at my company and they seemed to show some interest. They are generally VB6 and C# programmers who don't follow programming with too much passion. That being said I feel like it is easier to write correct code when you think in a functional matter so they should definitely get some benefit out of it. Can anyone offer up some advice on how I should approach this? Ideas Don't focus on the syntax, instead focus on how this language and the idioms it promotes can be used. Try and think of examples that are a pain to write in an imperative fashion but translates to elegant code when written in a declarative fashion.

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• Purchasing Visual Studio 2010 Ultimate and Professional version

  - by Don

  We are a small team with 5-7 developers. We are planning to purchase Visual Studio 2010, better with one or two Ultimate version, others with professional version. The suggestion from Microsoft is getting it from retail. We find we can get them from http://msdn.microsoft.com/en-us/subscriptions/buy.aspx or http://www.amazon.com/Visual-Studio-2010-Ultimate-MSDN/dp/B0038KNER0/ref=sr_1_fkmr3_2?ie=UTF8&qid=1296675635&sr=8-2-fkmr3. From Amazon, it will be lower cost. We wonder if we buy from Microsft directly we can get additional benefits like supports, which other retailers can not provide. Anyone has any ideas? What is the cost effient way? Thanks,

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• Learning Erlang vs learning node.js

  - by Noli

  I see a lot of crap online about how Erlang kicks node.js' ass in just about every conceivable category. So I'd like to learn Erlang, and give it a shot, but here's the problem. I'm finding that I have a much harder time picking up Erlang than I did picking up node.js. With node.js, I could pick a relatively complex project, and in a day I had something working. With Erlang, I'm running into barriers, and not going nearly as quickly. So.. for those with more experience, is Erlang complicated to learn, or am I just missing something? Node.js might not be perfect, but I seem to be able to get things done with it.

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• Bumblebee - Poor performance with games

  - by user106880

  I have an Alienware M14x (GeForce 650m with Optimus) and got Bumblebee working correctly (trying to get ready for steam for linux :)). Also I'm running Ubuntu 12.10 with Unity. I get great framerates with glxgears and sauerbraten (a game on the repositories), but when I run games like Bastion and Splice, I get pretty terrible framerate, in fact worse than my integrated intel gpu. I have nvidia-current installed under ubuntu-x-swat/x-updates so it's driver version 310.xx. Also I forgot to add that I haven't been able to test other drivers because they seem to break glx (x can't load the glx module). I've been troubleshooting this for days now, and I'm very nearly out of ideas. Any hints on why only some games are running so poorly with bumblebee?

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• Exchange 2013 goes RTM!

  - by marc dekeyser

  Exchange 2013 has been signed off and is now RTM! Hoozaaa!!   From the Exchange team blog: Today we reached an important milestone in the development of the new Exchange. Moments ago, the Exchange engineering team signed off on the Release to Manufacturing (RTM) build. This milestone means the coding and testing phase of the project is complete and we are now focused on releasing the new Exchange via multiple distribution channels to our business customers. General availability is planned for the first quarter of 2013. We have a number of programs that provide business customers with early access so they can begin testing, piloting and adopting Exchange within their organizations: We will begin rolling out new capabilities to Office 365 Enterprise customers in our next service updates, starting in November through general availability. Volume Licensing customers with Software Assurance will be able to download Exchange Server 2013 through the Volume Licensing Service Center by mid-November. These products will be available on the Volume Licensing price list on December 1. Read more…

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• Firefox Keeps Crashing Over and Over

  - by Jonathan

  Here is what Firefox says when it crashes: Add-ons: {e968fc70-8f95-4ab9-9e79-304de2a71ee1}:0.7.3,[email protected]:11.0,[email protected]:11.0,[email protected]:0.9.4,{972ce4c6-7e08-4474-a285-3208198ce6fd}:11.0,jid0-qvNTOHrOc01SzSinPbesRVcpAoY@jetpack:1.1.1,jid0-YxzrUsJ0WOiOaU89TngAzLcIs18@jetpack:0.7.5 BuildID: 20120310193444 CrashTime: 1335509696 EMCheckCompatibility: true FramePoisonBase: 00000000f0dea000 FramePoisonSize: 4096 InstallTime: 1335270972 Notes: OpenGL: DRI R300 Project -- Mesa DRI R300 (RS400 5A62) 20090101 x86/MMX/SSE2 NO-TCL DRI2 -- 1.5 Mesa 7.9-devel -- texture_from_pixmap ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384} ProductName: Firefox ReleaseChannel: release SecondsSinceLastCrash: 325 StartupTime: 1335509380 Theme: classic/1.0 Throttleable: 1 Vendor: Mozilla Version: 11.0 This report also contains technical information about the state of the application when it crashed. It doesn't crash every time I start it just most of the time, sometimes it will run fine until it crashes then I start it up and it crashes repeatedly, then it will stay normal and run fine after a few restarts and then start again..

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• automatically starting crashplan backup when a usb harddisc is connected

  - by Stefan Armbruster

  Using CrashPlan I've configured two backup sets: online backup in crashplan's cloud (this is running perfectly) a local backup on a usb harddisc directly connected to the local laptop. The USB drive is only connected rarly when being at home. When connecting the drive it mounts automatically. Is there a way to start the local backup whenever the usb disc connected. My guess is that using udev it should be possible to "somehow" tell crashplan to reevaluate the presence of backup location. Any ideas to do this?

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• What is the best way to learn Cocos2D?

  - by Joey Green

  I've messed around with iPhone development for a couple years now. I've done some contract work. I want to get into Cocos2D to develop a game idea that I have. I was wondering what might be the best/quickest way to get up in running in cocos2d? I've thought about a book, but I wondering if that is needed? I'm the type of guy that just wants to know what everything does and is suppose to be used for. Any ideas?

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• Creating natural environments that can run on lower end computers in Unity3D/C#

  - by Timothy Williams

  So, I'm starting work on a project soon that will require me to create realistic environments that can preferably run on PC's besides high quality ones. The goal is to get as real an environment as possible while still being easy(ish) to run. The only problem is I've NEVER done anything with 3D environments, making trees sway, grass move, lighting, etc. Can anyone give me any help? Perhaps describe how it's done? Link me to articles? I'm just looking to be pointed in the right direction, not for you to write the code for me. Any help at all would be greatly appreciated, I'm using Unity3D and C# as my language. Thanks, Tim.

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• How to represent a tree structure in NoSQL

  - by Vlad Nicula

  I'm new to NoSQL and have been playing around with a personal project on the MEAN stack (Mongo ExpressJs AngularJs NodeJs). I'm building a document editor of sorts that manages nodes of data. Each document is actually a tree. I have a CRUD api for documents, to create new trees and a CRUD api for nodes in a given document. Right now the documents are represented as a collection that holds everything, including nodes. The children parent relationship is done by ids. So the nodes are an map by id, and each node has references to what nodes are their children. I chose this "flat" approach because it is easier to get a node by id from a document. Being used to having a relation table between nodes and documents, a relation table between nodes and children nodes I find it a bit weird that I have to save the entire "nodes" map each time I update a node. Is there a better way to represent such a data type in NoSQL?

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• Bad FPS for smaller size (OpenGL ES with SDL)

  - by ber4444

  If you saw my other question, well, there is still a little problem: Click here to watch on youtube Basically, the frame rate is very bad on the actual device, where for some reason the animation is scaled (it looks like the left side on the video). It is quite fast on the simulator where it is not scaled (right side). For a test, I submitted this new changeset that hard-codes the smaller size (plus increases the point size for HII regions to make the dust clouds more visible), and as you see in the video, now it is slow even in the simulator (left side shows the small size, right side shows the original size -- otherwise the code is the same). I'm clueless why it's soooo slow with a smaller galaxy, in fact it should be FASTER. As for general speed optimization (which is not strictly part of my question but is closely related to it, esp. if we need a workaround to speed things up), some initial ideas: reducing the number of items drawn may affect the appearance negatively but screen resolution could be reduced there are too many glBegin(GL_POINTS)/glEnd() blocks, we could draw more than just a single star at once

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• BPM Workspace and Webforms customization by Bruno Neves Alves

  - by JuergenKress

  Under the propose of a project customization customization on BPM workspace and designed webforms were applied using custom css and used as skin and as webforms theme. Its important also to highlight that a workspace skin appliance is enough to bring customization to your webforms since they will inherit the workspace skin customization, nevertheless, themes offers you the possibility to enrich that customization or even to overlap it if desired. This blog post shares my experience trying what is available today as sample from Oracle Samples site but also how I found it starting from scratch. I have follow the following contents to achieve a full workspace and webforms customization: Read the complete article here. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Technorati Tags: Bruno Neves Alves,BPM Workspace,Webforms,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• creating a google wave clone using php/mysql/jquery

  - by jeansymolanza

  seasons greetings to all. i have a question that has been rather bugging me as of late. does anyone know how one can create a google wave clone using php/mysql/jquery as primary points of development. any ideas on how this might be possible and recommend any starting points? i have some time off work and it would be an interesting project to undertake as i want to use it in an e-learning framework next year. i will be testing the product on a XAMPP local server. i understand some of the technologies that google wave using but i am rather curious as to how these can be developed to a decent standard using php/mysql/jquery (i mention these three because i am quite adept at them). any links to resources best suited to an intermediate programmer would be appreciated. many thanks and God bless. so far i have this: http://konrness.com/javascript/google-wave-style-scroll-bar-jquery-plugin/

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• A Quantity class with units

  - by Ryan Ohs

  Goals Create a class that associates a numeric quantity with a unit of measurement. Provide support for simple arithmetic and comparison operations. Implementation An immutable class (Could have been struct but I may try inheritance later) Unit is stored in an enumeration Supported operations: Addition w/ like units Subtraction w/ like units Multiplication by scalar Division by scalar Modulus by scalar Equals() >, >=, <, <=, == IComparable ToString() Implicit cast to Decimal The Source The souce can be downloaded from Github. Notes This class does not support any arithmetic that would modify the unit. This class is not suitable for manipulating currencies. Future Ideas Have a CompositeQuantity class that would allow quantities with unlike units to be combined. Similar currency class with support for allocations/distributions. Provide conversion between units. (Actually I think this would be best placed in an external service. Many situations I deal with require some sort of dynamic conversion ratio.)

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• How to use the client object model with SharePoint2010

  - by ybbest

  In SharePoint2010, you can use client object model to communicate with SharePoint server. Today, I’d like to show you how to achieve this by using the c# console application. You can download the solution here. 1. Create a Console application in visual studio and add the following references to the project. 2. Insert your code as below ClientContext context = new ClientContext("http://demo2010a"); Web currentWeb = context.Web; context.Load(currentWeb, web =&gt; web.Title); context.ExecuteQuery(); Console.WriteLine(currentWeb.Title); Console.ReadLine(); 3. Run your code then you will get the web title displayed as shown below Note: If you got the following errors, you need to change your target framework from .Net Framework 4 client profile to .Net Framework 4 as shown below: Change from TO

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• flash video appears blue ubuntu 12.04

  - by pst007x

  This is a duplicate, however the solution given does not work. After updating to Ubuntu 12.04 from Ubuntu 11.10, all video is now blue, whether playing in a browser or a player. I have tried to uninstall all Flash and re-installed but makes no difference. Does anyone have any ideas? Fix (work around) Issue: All web browsers flash player video is blue Chromium Google Chrome Firefox Both flash plugins causes flash video to appear have a blue overlay, so remove. Adobe - flashplugin Flashplugin - installer Solution (not as functional as adobe flash plug in but it works) Install Lightspark (plus any browser-plugins) or Install Gnash (plus any browser-plugins) FIX (Possible) Removed: Gnash-browser plugins Video Decode and Presentation API for Unix (libraries) libvdpau1 Installed: Adobe-flashplugin Re-started browser, and it worked for me.

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• Setting effects variables in XNA

  - by Badescu Alexandru

  Hello ! I am currently reading a book named "3D Graphics with XNA Game Studio 4.0" by Sean James and have some questions to ask : If i create a effect parameter named lets say SpecularPower and have in my effect a variable named SpecularPower , if i do something like effect.Parameters["SpecularPower"].SetValue(3) That wil change the SpecularPower variable in my effect ? And a second question, not regarding the book : If i have a spaceship and i've created a "boost" functionality that speeds up my spaceship, what effects should i implement to create the impresion oh high speed ? I was thinking of making everything except my spaceship blurry but i think there would be something missing . Any ideas ? Regards, Alex Badescu

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• What is the best way to learn how to develop drivers?

  - by Kenneth

  At some point in my career I would definitely like to get involved in some embedded programming. I was thinking that starting out with developing some drivers would be a good place to develop my abilities in the regard. I'm open to doing so on either windows or linux platform (eventually will want to probably attempt both). What tools would you recommend that I look into to get me started on this project? Any other resources that you have found to be helpful (i.e. books, websites, programs, etc)? Any advice/recommendations? Thanks!

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• Which design better when use foreign key instead of a string to store a list of id

  - by Kien Thanh

  I'm building online examination system. I have designed to table, Question and GeneralExam. The table GeneralExam contains info about the exam like name, description, duration,... Now I would like to design table GeneralQuestion, it will contain the ids of questions belongs to a general exam. Currently, I have two ideas to design GeneralQuestion table: It will have two columns: general_exam_id, question_id. It will have two columns: general_exam_id, list_question_ids (string/text). I would like to know which designing is better, or pros and cons of each designing. I'm using Postgresql database.

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