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  • Redirect input from one terminal to another

    - by Niki Yoshiuchi
    I have sshed into a linux box and I'm using dvtm and bash (although I have also tried this with Gnu screen and bash). I have two terminals, current /dev/pts/29 and /dev/pts/130. I want to redirect the input from one to the other. From what I understand, in /dev/pts/130 I can type: cat </dev/pts/29 And then when I type in /dev/pts/29 the characters I type should show up in /dev/pts/130. However what ends up happening is that every other character I type gets redirected. For example, if I type "hello" I get this: /dev/pts/29 | /dev/pts/130 $ | $ cat </dev/pts/29 $ el | hlo This is really frustrating as I need to do this in order to redirect the io of a process running in gdb (I've tried both run /dev/pts/# and set inferior-tty /dev/pts/# and both resulted in the aforementioned behavior). Am I doing something wrong, or is this a bug in bash/screen/dvtm?

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  • How to config mysql-server for heavy load

    - by Rasmus
    Im in the process of setting up a new database server. I have been running a few mysql database servers before and it has been working okay. But i would like to hear the recommended setup for my server. For example, what should i set the max connection, query_cache_size, table_cache and so on. I have arround 4-600 per second: Open tables: 112 Queries per second avg: 430.386. The server i am setting it up on have the following configuration: Linux version 2.6.32-5-amd64 (Debian 2.6.32-41squeeze2) 2x Intel Xeon X3440 @ 2.53GHz 4GB Ram /, /boot, /tmp etc on Software RAID1, 2x 7200RPM SATA Data location on Software RAID0, 2x7200RPM SATA Im am going to place the mysql databases on the RAID0. Am im missing anything? Let me know! Thanks in advance, im looking forward to hearing from you :-) /Rasmus

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  • Early Z culling - Ogre

    - by teodron
    This question is concerned with how one can enable this "pixel filter" to work within an Ogre based app. Simply put, one can write two passes, the first without writing any colour values to the frame buffer lighting off colour_write off shading flat The second pass is the one that employs heavy pixel shader computations, hence it would be really nice to get rid of those hidden surface patches and not process them pixel-wise. This approach works, except for one thing: objects with alpha, such as billboard trees suffer in a peculiar way - from one side, they seem to capture the sky/background within their alpha region and ignore other trees/houses behind them, while viewed from the other side, they exhibit the desired behavior. To tackle the issue, I thought I could write a custom vertex shader in the first pass and offset the projected Z component of the vertex a little further away from its actual position, so that in the second pass there is a need to recompute correctly the pixels of the objects closest to the camera. This doesn't work at all, all surfaces are processed in the pixel shader and there is no performance gain. So, if anyone has done a similar trick with Ogre and alpha objects, kindly please help.

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  • Input devices stopped working during system upgrade

    - by amorfis
    Hi, I was upgrading Ubuntu on my server (but Ubuntu is in desktop version) when mouse and keyboard stopped working :( So the screen went black (screensaver), and now I can't do anything. I don't know what stage of upgrade it stopped working, probably now it waits for me to answer some question. Keyboard and mouse were connected by KVM, connecting them directly doesn't help. Both are on USB. What I can do, is connecting to the machine by ssh. Can I somehow see and answer questions of update system and somehow finalize process of upgrade?

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  • What ports does Advantage Database Server need?

    - by asherber
    I have an application which uses ADS and I am attempting to deploy it in a Windows network environment with a rather restrictive firewall. I am having a problem configuring firewall ports appropriately. ADS lives on \\server, and it's listening on port 1234. When \\client tries to connect to \\server\tables, I get Error 6420 (Discovery process failed). When \client tries to connect to \\server:1234\tables, I get error 6097, bad IP address specified in the connection path. \\server is pingable from \\client, and I can telnet to \server:1234. If I try to connect from a client machine inside the firewall, either connection path works fine. It seems there must be something else I need to open in the firewall. Any ideas? Thanks, Aaron. Edit: I should have specified that the firewall is open to \\server:1234 specifically for TCP traffic. Is UDP involved here in some way?

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  • CodePlex Daily Summary for Saturday, September 22, 2012

    CodePlex Daily Summary for Saturday, September 22, 2012Popular ReleasesWPF Application Framework (WAF): WPF Application Framework (WAF) 2.5.0.8: Version: 2.5.0.8 (Milestone 8): This release contains the source code of the WPF Application Framework (WAF) and the sample applications. Requirements .NET Framework 4.0 (The package contains a solution file for Visual Studio 2010) The unit test projects require Visual Studio 2010 Professional Changelog Legend: [B] Breaking change; [O] Marked member as obsolete WAF: Mark the class DataModel as serializable. InfoMan: Minor improvements. InfoMan: Add unit tests for all modules. Othe...LogicCircuit: LogicCircuit 2.12.9.20: Logic Circuit - is educational software for designing and simulating logic circuits. Intuitive graphical user interface, allows you to create unrestricted circuit hierarchy with multi bit buses, debug circuits behavior with oscilloscope, and navigate running circuits hierarchy. Changes of this versionToolbars on text note dialog are more flexible now. You can select font face, size, color, and background of text you are typing. RAM now can be initialized to one of the following: random va...$linq - A Javascript LINQ library: Version 1.1: Version 1.1 Implemented batch, equiZip, zipLongest, prepend, pad, padWith, toJQuery, pipe, singleOrFallback, indexOf, indexOfElement, lastIndexOf, lastIndexOfElement, scan, prescan, and aggregate operators.Huo Chess: Huo Chess 0.95: The Huo Chess 0.95 version has an improved chessboard analysis function so as to be able to see which squares are the dangerous squares in the chessboard. This allows the computer to understand better when it is threatened. Two editions are included: Huo Chess 0.95 Console Application (57 KB in size) Huo Chess 0.95 Windows Application with GUI (119 KB in size) See http://harmoniaphilosophica.wordpress.com/2011/09/28/how-to-develop-a-chess-program-for-2jszrulazj6wq-23/ for the infamous How...Symphony Framework: Symphony Framework v2.0.0.2: Symphony Framework version 2.0.0.2. General note: If you install Symphony Framework 2.0.0.2 you must also install CodeGen 4.1.10 because a number of templates now utilise new features added to the tool. Added the user token PROJECTNAMESPACE to the “Symphony_Content.tpl” template to ensure that we can correctly reference the collection classes of the selection lists. Also added the ability to create object references to fields defined as having selection windows assigned. This enhancement ...Community xPress MDS: Initial MDS and DQS Models: Initial MDS & DQS ModelsSiteMap Editor for Microsoft Dynamics CRM 2011: SiteMap Editor (1.1.2020.421): New features: Disable a specific part of SiteMap to keep the data without displaying them in the CRM application. It simply comments XML part of the sitemap (thanks to rboyers for this feature request) Right click an item and click on "Disable" to disable it Items disabled are greyed and a suffix "- disabled" is added Right click an item and click on "Enable" to enable it Refresh list of web resources in the web resources pickerAJAX Control Toolkit: September 2012 Release: AJAX Control Toolkit Release Notes - September 2012 Release Version 60919September 2012 release of the AJAX Control Toolkit. AJAX Control Toolkit .NET 4.5 – AJAX Control Toolkit for .NET 4.5 and sample site (Recommended). AJAX Control Toolkit .NET 4 – AJAX Control Toolkit for .NET 4 and sample site (Recommended). AJAX Control Toolkit .NET 3.5 – AJAX Control Toolkit for .NET 3.5 and sample site (Recommended). Notes: - The current version of the AJAX Control Toolkit is not compatible with ...Lib.Web.Mvc & Yet another developer blog: Lib.Web.Mvc 6.1.0: Lib.Web.Mvc is a library which contains some helper classes for ASP.NET MVC such as strongly typed jqGrid helper, XSL transformation HtmlHelper/ActionResult, FileResult with range request support, custom attributes and more. Release contains: Lib.Web.Mvc.dll with xml documentation file Standalone documentation in chm file and change log Library source code Sample application for strongly typed jqGrid helper is available here. Sample application for XSL transformation HtmlHelper/ActionRe...Sense/Net CMS - Enterprise Content Management: SenseNet 6.1.2 Community Edition: Sense/Net 6.1.2 Community EditionMain new featuresOur current release brings a lot of bugfixes, including the resolution of js/css editing cache issues, xlsx file handling from Office, expense claim demo workspace fixes and much more. Besides fixes 6.1.2 introduces workflow start options and other minor features like a reusable Reject client button for approval scenarios and resource editor enhancements. We have also fixed an issue with our install package to bring you a flawless installation...WinRT XAML Toolkit: WinRT XAML Toolkit - 1.2.3: WinRT XAML Toolkit based on the Windows 8 RTM SDK. Download the latest source from the SOURCE CODE page. For compiled version use NuGet. You can add it to your project in Visual Studio by going to View/Other Windows/Package Manager Console and entering: PM> Install-Package winrtxamltoolkit Features AsyncUI extensions Controls and control extensions Converters Debugging helpers Imaging IO helpers VisualTree helpers Samples Recent changes NOTE: Namespace changes DebugConsol...Python Tools for Visual Studio: 1.5 RC: PTVS 1.5RC Available! We’re pleased to announce the release of Python Tools for Visual Studio 1.5 RC. Python Tools for Visual Studio (PTVS) is an open-source plug-in for Visual Studio which supports programming with the Python language. PTVS supports a broad range of features including CPython/IronPython, Edit/Intellisense/Debug/Profile, Cloud, HPC, IPython, etc. support. The primary new feature for the 1.5 release is Django including Azure support! The http://www.djangoproject.com is a pop...Launchbar: Lanchbar 4.0.0: This application requires .NET 4.5 which you can find here: www.microsoft.com/visualstudio/downloadsAssaultCube Reloaded: 2.5.4 -: Linux has Ubuntu 11.10 32-bit precompiled binaries and Ubuntu 10.10 64-bit precompiled binaries, but you can compile your own as it also contains the source. If you are using Mac or other operating systems, please wait while we try to package for those OSes. Try to compile it. If it fails, download a virtual machine. The server pack is ready for both Windows and Linux, but you might need to compile your own for Linux (source included) Changelog: New logo Improved airstrike! Reset nukes...Extended WPF Toolkit: Extended WPF Toolkit - 1.7.0: Want an easier way to install the Extended WPF Toolkit?The Extended WPF Toolkit is available on Nuget. What's new in the 1.7.0 Release?New controls Zoombox Pie New features / bug fixes PropertyGrid.ShowTitle property added to allow showing/hiding the PropertyGrid title. Modifications to the PropertyGrid.EditorDefinitions collection will now automatically be applied to the PropertyGrid. Modifications to the PropertyGrid.PropertyDefinitions collection will now be reflected automaticaly...JayData - The cross-platform HTML5 data-management library for JavaScript: JayData 1.2: JayData is a unified data access library for JavaScript to CRUD + Query data from different sources like OData, MongoDB, WebSQL, SqLite, Facebook or YQL. The library can be integrated with Knockout.js or Sencha Touch 2 and can be used on Node.js as well. See it in action in this 6 minutes video Sencha Touch 2 example app using JayData: Netflix browser. What's new in JayData 1.2 For detailed release notes check the release notes. JayData core: all async operations now support promises JayDa...????????API for .Net SDK: SDK for .Net ??? Release 4: 2012?9?17??? ?????,???????????????。 ?????Release 3??????,???????,???,??? ??????????????????SDK,????????。 ??,??????? That's all.VidCoder: 1.4.0 Beta: First Beta release! Catches up to HandBrake nightlies with SVN 4937. Added PGS (Blu-ray) subtitle support. Additional framerates available: 30, 50, 59.94, 60 Additional sample rates available: 8, 11.025, 12 and 16 kHz Additional higher bitrates available for audio. Same as Source Constant Framerate available. Added Apple TV 3 preset. Added new Bob deinterlacing option. Introduced process isolation for encodes. Now if HandBrake crashes, VidCoder will keep running and continue pro...DNN Metro7 style Skin package: Metro7 style Skin for DotNetNuke 06.02.01: Stabilization release fixed this issues: Links not worked on FF, Chrome and Safari Modified packaging with own manifest file for install and source package. Moved the user Image on the Login to the left side. Moved h2 font-size to 24px. Note : This release Comes w/o source package about we still work an a solution. Who Needs the Visual Studio source files please go to source and download it from there. Known 16 CSS issues that related to the skin.css. All others are DNN default o...Visual Studio Icon Patcher: Version 1.5.1: This fixes a bug in the 1.5 release where it would crash when no language packs were installed for VS2010.New ProjectsCodePlexDeployment: Please ignore, this project is for testing out some features of the WAWS deployment integrationDotNetNuke Social Dashboard: The DotNetNuke Social Dashboard gives DotNetNuke Administrators and insight into the social statistics of their site.EESTEC LC Trieste: .Event Log Mailer: Mails events from Windows' system Event Log which matches rules in configuration. Runs as Windows service and has super simple configurationflx4432: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aliquam facilisis condimentum nulla. Duis sed quam vitae nunc semper facilisis a eget leo.lanWOLf: Send wake-on-lan packets across subnets by utilizing powered-on machines on each subnet.Micro-Apps Framework: Micro-Apps is a revolutionary piece of software that allows you to have multiple programs running from 1 file under the same process!NJ: NJ Language Learning Helper type Config() = // Just Code Example member x.GetAll() = seq{ yield {Name="Admin" Dictionary = OtfPG: To generate reproducible complex passwords from simple pass phrases, allowing the user to 'remember; a simple phrase, rather that a complex password, without evProject92104: as ppProject92105: ppaProject92107: papaPython intellisense Enhancer: For the python code, the intellisense box will show after you input a character, just like c#.QR Code Reader (By Screen Capture): Reads the QR Codes displayed in webpages. (You need to capture the code area) Displays the code information.scenariov1706jabbr: helloSharePoint 2013 REST Test Web Part: A simple web part (placed in a farm solution) that helps SharePoint developers to test every HTTP call to the new REST interface of SharePoint 2013.SharePoint Resources Updater (2010 /2013): Project for SharePoint 2010/2013 IT pro's and dev's to adress App_GlobalResources difficulties when developping SharePoint solutions(or maintaining large farms)Word CustomXML data services: Services to add,change and read metadata embedded into a Word document. Metadata are stored in a custom XML file into the Word document. ??????: ge ren xiang mu

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  • Torrent, ISA Server 2006 and packet dropped due to TCP_NOT_SYNC

    - by Pascal
    Hi, I'm trying to get uTorrent 2.0.4 to work in a DMZ machine, protected by a ISA Server 2006. I've opened 1 inbound port (via publishing) and opened all the higher ports for that specific machine that runs uTorrent on my DMZ, and it's working almost fine. The problem is that I keep getting packets dropped with 0xc0040017 FWX_E_TCP_NOT_SYN_PACKET_DROPPED. Is there any way to disable this via registry? Is there any way around this? The download speed fluctuates a lot, and when I starts hitting the upper limit that I've defined in uTorrent, the errors start poping up a lot, and the download speed goes way down, and the process repeats on and on Tks Edit My outbound rules are: Port Range: TCP 10000-65535 Outbound Port Range: UDP 10000-65535 Send Edit It's probably a bug handling requests from Windows 7. When I installed the uTorrent on a XP machine, the problem went away

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  • How to manage iowait over cifs?

    - by Silvia
    For backup purposes we have Cifs file Server running that contains encrypted containers for backing up the more sensitive data. The container is mounted with cryptsetup and loop as a local filesystem and the rsync is used for backups. Because the Cifs server is not the fastest machine ever built, running the rsync process results in an iowait on the servers running the backup which in turn drives Nagios into an email frenzy. The question is, how do reduce the iowait on the server? Configuring Nagios to not report seems more like a workaround then a solution. Stretching the backups over different time intervals is already done with little effect and spending money is also not an option because apparently, we are talking about a "non-critical system".

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  • How do I work around sudo 'segmentation fault' on basic bash commands?

    - by sage
    I am sure the answers are out there, but alas there are too many answers (here and elsewhere) to other questions stopping me from finding them. I just encountered something substantially similar to what is described at the closed SO question, sudo : “segmentation fault” Ubuntu maverick [closed]. My team is using Ubuntu 11.04 on VMWare Workstation 8.0.4. We are doing development using c++, Xenomai, Qt, and Qt Creator. When we simulate our application on the virtual machine, we currently need to launch Qt Creator with sudo. My colleague mentioned today that he has been having issues where his workstation locks up and he needs to restart and that occasionally he has the issue that all sudo bash commands return "segmentation fault". I just ran our application in simulation mode. I was running Qt Creator under sudo and Qt Creator received the signal abort (if I recall). Afterward, every command executed with sudo from sudo qtcreator to sudo ls resulted in the message Segmentation fault. I clicked on the power widget to see if I could log out, but the system shut down straightaway without prompting. My understanding is that we run sudo because of a permissions issue with Xenomai and the VM as currently configured, but my colleague has a workaround for this. I expect that not running Qt Creator under sudo -- something that has always made me nervous -- will help contain this issue, but I find it troubling that this could happen and manifest as it does. Does anyone know what is happening? Any recommendations on how to work around this issue? This is happening often to I am trying tolobby for VM changes to be able to run the process without sudo.

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  • How do you manage the testing of your Android software on physical devices?

    - by Philip Regan
    I'm in charge of managing mobile application development at my company, and I am currently building a mobile device "library" for testing. Essentially, we want to have a representative device in-house for each of the OSes we are developing for, currently iOS (iPhone-only), Blackberry, and Android. Simulators only go so far, but I'm placing into the process a step to test software on the devices themselves. The problem we're finding is with Android. I don't think any of us here ever really understood just how fragmented the whole platform is until we started looking at devices to acquire. We are going to wait until v2.3 of Android is released, but which products to choose? Do we go by the most popular by market share? Do we get a small range of products by specs from least to most powerful overall? We're trying to avoid having to manage a dozen different devices to test each app, if not because of cost if only for the repeated time sink. How do you manage the testing of your Android software on physical devices?

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  • Math questions at a programmer interview?

    - by anon
    So I went to an interview at Samsung here in Dallas, Texas. The way the recruiter described the job, he didn't make it sound like it was too math-oriented. The job basically involved graphics programming and C++. Yes, math is implied in graphics programming, especially shaders, but I still wasn't expecting this... The whole interview lasted about an hour and a half and they asked me nothing but math-related questions. They didn't ask me a single programming question, which I found odd. About all they did was ask me how to write certain math routines as a C++ function, but that's about it. What about programming philosophy questions? Design patterns? Code-correctness? Constness? Exception safety? Thread safety? There are a zillion topics that they could have covered. But they didn't. The main concern I have is that they didn't ask any programming questions. This basically implies to me that any programmer who is good at math can get a job here, but they might put out terrible code. Of course, I think I bombed the interview because I haven't used any sort of linear algebra in about a year and I forget math easily if I haven't used it in practice for a while. Are any of my other fellow programmers out there this way? I'm a game programmer too, so this seems especially odd. The more I learn, the more old knowledge that gets "popped" out of my "stack" (memory). My question is: Does this interview seem suspicious? Is this a typical interview that large corporations have? During the interview they told me that Google's interview process is similar. They have multiple, consecutive interviews where the math problems get more advanced.

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  • Why do I get a My Disney window when installing VMWare Workstation?

    - by Marc Esher
    I'm assuming this is a virus, though my virus checker can't find it. I downloaded the latest vmware workstation 7 installer. I'm running Windows 7 64bit. I go to install it, and the installer window is a Disney website. Upon further investigation, what's happening is that the vmware installer extracts/writes a bunch of files to a temp directory. One of those files is an index.htm file. When I open it, sure enough it's the Disney file. I used sysinternals Process Monitor to look for anything fishy, but the only thing I see touching that index.htm file is the vmware installer and explorer.exe

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  • boot up fails. drops to initramfs prompt 12.04

    - by dpm
    I am running an HP pavilion dv6000 dual boot win7 and Ubuntu 12.04. (well, up until today). after a reboot, the boot process drops to the busy box shell and i end up at the prompt: BusyBox v1.18.5 (Ubuntu 1:1.18.5-1ubuntu4) built-in shell (ash) Enter 'help' for a list of built-in commands. (initramfs) Ive been researching others who have had this same problem, but haven't been able to find any of those solutions to work for me. I tried the method described here: http://www.proposedsolution.com/solutions/ubuntu-booting-to-initramfs-prompt/ and after the final command mount -t ntfs-3g /dev/sda1 /root -o force it does nothing and gives me another (initramfs) prompt. I can boot to a live CD (USB) and get to a terminal, but it doesn't seem to do much good, as I can see the /dev/sda1 in the ls command, but it doesn't recognize it when I try to cd to it. My command line skills are very green, and am just starting to grasp them. One more question: using the command fdisk -l how can I tell which mount point (sda1/sda2) is my windows partition and which one is Ubuntu? Any help? I'm in a bit over my head right now...

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  • IT Optimization Plan Pays Off For UK Retailer

    - by [email protected]
    I caught this article in ComputerworldUK yesterday. The headline talks about UK-based supermarket chain Morrisons is increasing their IT spend...OK, sounds good. Even nicer that Oracle is a big part of that. But what caught my eye were three things: 1) Morrison's truly has a long term strategy for IT. In this case, modernizing and optimizing how they use IT for business advantage. 2) Even in a tough economic climate, Morrison's views IT investments as contributing to and improving the bottom line. Specifically, "The investment in IT contributed to a 21 percent increase in Morrison's underlying profit.." 3) The phased, 3-year "Optimization Plan" took a holistic approach to their business--from CRM and Supply Chain systems to the underlying application infrastructure. On the infrastructure front, adopting a more flexible Service-Oriented Architecture enabled them to be more agile and adapt their business and Identity Management helped with sometimes mundane (but costly) issues like lost passwords and being able to document who has access to what. Things don't always turn out so rosy. And I know it was a long and difficult process...but it's nice to see a happy ending every once in a while.

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  • How can I do an "insert" statement from MS SQL -> MYSQL using linked servers

    - by bvandrunen
    Is it possible to do an "insert" statement through linked servers. I know it is possible by using MSDTC...but does this work between MS SQL and MYSQL? Any help would be greatly appreciated. As of right now...I can update and select between the 2 databases but it gives me an error when I try to run an insert statement. OLE DB provider "MSDASQL" for linked server "******" returned message "Query-based insertion or updating of BLOB values is not supported.". Msg 7343, Level 16, State 2, Line 1 The OLE DB provider "MSDASQL" for linked server "******" could not INSERT INTO table "[*********]...[******_options]". Location: memilb.cpp:1493 Expression: (*ppilb)-m_cRef == 0 SPID: 76 Process ID: 1644

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  • HELP! need to make a VoIP program for WiMAX in NS-2 work..

    - by janiemack
    I've been trying to get this working for the past 2 days and i'm completely stuck. I'm trying to make a simple VoIP program work in the NIST module for WiMAX http ://community.4gdeveloper.com/attachments/download/14/090720150504_ns2-Release-2.6.tar.gz version 2.6 , using NS-2.31 (remove space btw 'p' and ':' ) http ://downloads.sourceforge.net/nsnam/ns-allinone-2.31.tar.gz?modtime=1173548159&big_mirror=0 (remove space btw 'p' and ':' ) The installation process goes fine. When i run this program, I'm getting an error saying " OFDMAPhy : error did not find match for permutation and bw combination" Some help would be really appreciated. thanks!

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  • Siebel BIP Integration

    - by Tim Dexter
    This post is more of a bookmark for me so that I stop bugging the brown stuff out of the John the Siebel-BIP product manager. I have had multiple customers over the past two weeks asking for help around the integration. What's its capable of? How can I allow my users to click a button to run a BIP report? How can I kick off a report from a Siebel workflow? Start right here - this is a great white paper explaining whats now available with the integration using, the Siebel Report Business Service. Once you have consumed that from start to finish. Get on over to Oracle support and look for the following note that has code samples and lots of other good stuff! Siebel BI Publisher Reports Business Service (8.1.1.7+) [ID 1425724.1] The Reports Business Service enables BI Publisher reports to be executed from the Siebel application via a Workflow Process, or through scripting. The report is generated in the background by connecting to the BI Publisher server. The report output is stored in the Siebel File System and accessed from the My BI Publisher Reports view. Alternatively using appropriate methods, the report can be attached to an entity or sent to a particular delivery channel.

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  • juju -v status ERROR Invalid SSH key

    - by Captain T
    root@cloudcontrol:/storage# juju -v status 2012-06-07 11:19:47,602 DEBUG Initializing juju status runtime 2012-06-07 11:19:47,621 INFO Connecting to environment... 2012-06-07 11:19:47,905 DEBUG Connecting to environment using node-386077143930... 2012-06-07 11:19:47,906 DEBUG Spawning SSH process with remote_user="ubuntu" remote_host="node-386077143930" remote_port="2181" local_port="57004". The authenticity of host 'node-386077143930 (10.5.5.113)' can't be established. ECDSA key fingerprint is 31:94:89:62:69:83:24:23:5f:02:70:53:93:54:b1:c5. Are you sure you want to continue connecting (yes/no)? yes 2012-06-07 11:19:52,102 ERROR Invalid SSH key 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@658: Client environment:zookeeper.version=zookeeper C client 3.3.5 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@662: Client environment:host.name=cloudcontrol 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@669: Client environment:os.name=Linux 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@670: Client environment:os.arch=3.2.0-23-generic 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@671: Client environment:os.version=#36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@log_env@679: Client environment:user.name=sysadmin 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@log_env@687: Client environment:user.home=/root 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@log_env@699: Client environment:user.dir=/storage 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@zookeeper_init@727: Initiating client connection, host=localhost:57004 sessionTimeout=10000 watcher=0x7feb11afc6b0 sessionId=0 sessionPasswd= context=0x2dc7d20 flags=0 2012-06-07 11:19:52,429:18541(0x7feb0e856700):ZOO_ERROR@handle_socket_error_msg@1579: Socket [127.0.0.1:57004] zk retcode=-4, errno=111(Connection refused): server refused to accept the client 2012-06-07 11:19:55,765:18541(0x7feb0e856700):ZOO_ERROR@handle_socket_error_msg@1579: Socket [127.0.0.1:57004] zk retcode=-4, errno=111(Connection refused): server refused to accept the client This is from a clean install with 2 nodes all running 12.04 Precise juju bootstrap - finishes with no errors and allocates the machine to the user but still no joy after juju environment-destroy and rebuild with different users and different nodes. Anyone got any ideas

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  • How to detect a background program (in Windows 7) which takes active focus automatically?

    - by Sachin Shekhar
    A background process/program steals focus from my currently active application. It disturbs me a lot when I type in an app or control an app using keyboard or play online flash games in full-screen. I want to remove this program from my PC, but I'm unable to detect it. I've analyzed all processes & scanned for viruses. All things are right from this side. I don't want to change focus behavior using registry tweak. Please, help me detecting that app..

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  • what receives an ajax call?

    - by jbcolmenares
    I'm making a site which should (a) take information from the user in the form of files and forms, (b) take that data to the server to be run on a C application, and (c) take the result back and show it to the user. I was told to look for AJAX for the communication with the server. BTW, I'm using rails. I'm trying to understand how AJAX works. From what I understand so far, with rails is pretty easy to make the call. What I can't figure out is, what waits for that call? what process the call? If I understand correctly, with rails I could make a function in ruby and make it so it's called through AJAX, which means -or so I understand- that it gets executed on the server. If I were using PHP, would I need to make an http server to wait for the AJAX calls? I just don't find information about what waits for the call, and that information is processed. Any links, comments or books are welcome!

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  • Opportunities in Development in our Swedish office

    - by anca.rosu
    Hi everyone, my name is Henrik and I joined the JRockit group in 2004. Before that my background was Microsoft, as both a Test Competence lead and as a Program Manager. As an Engineering Manager at Oracle I lead a team of 11 developers. I focus on people management and the daily operations of the department with a heavy focus on interaction and dependencies between the groups and departments here at the Stockholm development site. I also make sure my team deliver on our commitments. I would like to give you a brief summary of the Oracle JRockit team: -The development group in Stockholm delivers several products for the Oracle Fusion Middleware stack. Our main products are JRockitVE which allows you to run a Java Virtual Machine without an operating system, the JRockit Java Virtual Machine which is the default jvm for all Oracle middleware products, and the JRockit MissionControl, a set of tools that allows developers to monitor their applications at runtime and perform advanced latency analysis as well as in-production memory leak detection etc. -The office has several departments focusing on different aspects of the product development process, not only to build features and test them but everything from building the infrastructure needed to automatically build and test the products to sustaining engineering that tracks down bugs in customer systems and provide them with patches. Some inspirational lines around what the Oracle JRockit group can offer you in terms of progress, development and learning: - It is a unique chance to get insight and experience building enterprise class software for one of the worlds largest software companies. Here there are almost unlimited possibilities for the right candidate to learn about silicon features and how to implement support for this in software, and to compile optimizations. The position will also give insight into the processes needed to produce software at this level in the industry. If you have any questions related to this article feel free to contact  [email protected].  You can find our job opportunities via http://campus.oracle.com. Technorati Tags: Development,Sweden,Jrockit,Java,Virtual Machine,Oracle Fusion Middleware,software

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  • Failing to upgrade to linux-image-3.0.0-26-generic

    - by Dan Lee
    When I try to upgrade linux-image-3.0.0-26-generic I get following problems: dpkg-deb (subprocess): data: internal bzip2 read error: 'DATA_ERROR' dpkg-deb: error: subprocess <decompress> returned error exit status 2 dpkg: error processing /var/cache/apt/archives/linux-image-3.0.0-26-generic_3.0.0-26.42_amd64.deb (--unpack): short read on buffer copy for backend dpkg-deb during `./lib/modules/3.0.0-26-generic/kernel/drivers/scsi/fnic/fnic.ko' No apport report written because MaxReports is reached already Examining /etc/kernel/postrm.d . run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.0.0-26-generic /boot/vmlinuz-3.0.0-26-generic run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.0.0-26-generic /boot/vmlinuz-3.0.0-26-generic Errors were encountered while processing: /var/cache/apt/archives/linux-image-3.0.0-26-generic_3.0.0-26.42_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: dpkg: dependency problems prevent configuration of linux-image-generic: linux-image-generic depends on linux-image-3.0.0-26-generic; however: Package linux-image-3.0.0-26-generic is not installed. I don't know why this happens to me; earlier upgrades always worked without problems. Does anybody know how to fix this?

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  • Solving Big Problems with Oracle R Enterprise, Part II

    - by dbayard
    Part II – Solving Big Problems with Oracle R Enterprise In the first post in this series (see https://blogs.oracle.com/R/entry/solving_big_problems_with_oracle), we showed how you can use R to perform historical rate of return calculations against investment data sourced from a spreadsheet.  We demonstrated the calculations against sample data for a small set of accounts.  While this worked fine, in the real-world the problem is much bigger because the amount of data is much bigger.  So much bigger that our approach in the previous post won’t scale to meet the real-world needs. From our previous post, here are the challenges we need to conquer: The actual data that needs to be used lives in a database, not in a spreadsheet The actual data is much, much bigger- too big to fit into the normal R memory space and too big to want to move across the network The overall process needs to run fast- much faster than a single processor The actual data needs to be kept secured- another reason to not want to move it from the database and across the network And the process of calculating the IRR needs to be integrated together with other database ETL activities, so that IRR’s can be calculated as part of the data warehouse refresh processes In this post, we will show how we moved from sample data environment to working with full-scale data.  This post is based on actual work we did for a financial services customer during a recent proof-of-concept. Getting started with the Database At this point, we have some sample data and our IRR function.  We were at a similar point in our customer proof-of-concept exercise- we had sample data but we did not have the full customer data yet.  So our database was empty.  But, this was easily rectified by leveraging the transparency features of Oracle R Enterprise (see https://blogs.oracle.com/R/entry/analyzing_big_data_using_the).  The following code shows how we took our sample data SimpleMWRRData and easily turned it into a new Oracle database table called IRR_DATA via ore.create().  The code also shows how we can access the database table IRR_DATA as if it was a normal R data.frame named IRR_DATA. If we go to sql*plus, we can also check out our new IRR_DATA table: At this point, we now have our sample data loaded in the database as a normal Oracle table called IRR_DATA.  So, we now proceeded to test our R function working with database data. As our first test, we retrieved the data from a single account from the IRR_DATA table, pull it into local R memory, then call our IRR function.  This worked.  No SQL coding required! Going from Crawling to Walking Now that we have shown using our R code with database-resident data for a single account, we wanted to experiment with doing this for multiple accounts.  In other words, we wanted to implement the split-apply-combine technique we discussed in our first post in this series.  Fortunately, Oracle R Enterprise provides a very scalable way to do this with a function called ore.groupApply().  You can read more about ore.groupApply() here: https://blogs.oracle.com/R/entry/analyzing_big_data_using_the1 Here is an example of how we ask ORE to take our IRR_DATA table in the database, split it by the ACCOUNT column, apply a function that calls our SimpleMWRR() calculation, and then combine the results. (If you are following along at home, be sure to have installed our myIRR package on your database server via  “R CMD INSTALL myIRR”). The interesting thing about ore.groupApply is that the calculation is not actually performed in my desktop R environment from which I am running.  What actually happens is that ore.groupApply uses the Oracle database to perform the work.  And the Oracle database is what actually splits the IRR_DATA table by ACCOUNT.  Then the Oracle database takes the data for each account and sends it to an embedded R engine running on the database server to apply our R function.  Then the Oracle database combines all the individual results from the calls to the R function. This is significant because now the embedded R engine only needs to deal with the data for a single account at a time.  Regardless of whether we have 20 accounts or 1 million accounts or more, the R engine that performs the calculation does not care.  Given that normal R has a finite amount of memory to hold data, the ore.groupApply approach overcomes the R memory scalability problem since we only need to fit the data from a single account in R memory (not all of the data for all of the accounts). Additionally, the IRR_DATA does not need to be sent from the database to my desktop R program.  Even though I am invoking ore.groupApply from my desktop R program, because the actual SimpleMWRR calculation is run by the embedded R engine on the database server, the IRR_DATA does not need to leave the database server- this is both a performance benefit because network transmission of large amounts of data take time and a security benefit because it is harder to protect private data once you start shipping around your intranet. Another benefit, which we will discuss in a few paragraphs, is the ability to leverage Oracle database parallelism to run these calculations for dozens of accounts at once. From Walking to Running ore.groupApply is rather nice, but it still has the drawback that I run this from a desktop R instance.  This is not ideal for integrating into typical operational processes like nightly data warehouse refreshes or monthly statement generation.  But, this is not an issue for ORE.  Oracle R Enterprise lets us run this from the database using regular SQL, which is easily integrated into standard operations.  That is extremely exciting and the way we actually did these calculations in the customer proof. As part of Oracle R Enterprise, it provides a SQL equivalent to ore.groupApply which it refers to as “rqGroupEval”.  To use rqGroupEval via SQL, there is a bit of simple setup needed.  Basically, the Oracle Database needs to know the structure of the input table and the grouping column, which we are able to define using the database’s pipeline table function mechanisms. Here is the setup script: At this point, our initial setup of rqGroupEval is done for the IRR_DATA table.  The next step is to define our R function to the database.  We do that via a call to ORE’s rqScriptCreate. Now we can test it.  The SQL you use to run rqGroupEval uses the Oracle database pipeline table function syntax.  The first argument to irr_dataGroupEval is a cursor defining our input.  You can add additional where clauses and subqueries to this cursor as appropriate.  The second argument is any additional inputs to the R function.  The third argument is the text of a dummy select statement.  The dummy select statement is used by the database to identify the columns and datatypes to expect the R function to return.  The fourth argument is the column of the input table to split/group by.  The final argument is the name of the R function as you defined it when you called rqScriptCreate(). The Real-World Results In our real customer proof-of-concept, we had more sophisticated calculation requirements than shown in this simplified blog example.  For instance, we had to perform the rate of return calculations for 5 separate time periods, so the R code was enhanced to do so.  In addition, some accounts needed a time-weighted rate of return to be calculated, so we extended our approach and added an R function to do that.  And finally, there were also a few more real-world data irregularities that we needed to account for, so we added logic to our R functions to deal with those exceptions.  For the full-scale customer test, we loaded the customer data onto a Half-Rack Exadata X2-2 Database Machine.  As our half-rack had 48 physical cores (and 96 threads if you consider hyperthreading), we wanted to take advantage of that CPU horsepower to speed up our calculations.  To do so with ORE, it is as simple as leveraging the Oracle Database Parallel Query features.  Let’s look at the SQL used in the customer proof: Notice that we use a parallel hint on the cursor that is the input to our rqGroupEval function.  That is all we need to do to enable Oracle to use parallel R engines. Here are a few screenshots of what this SQL looked like in the Real-Time SQL Monitor when we ran this during the proof of concept (hint: you might need to right-click on these images to be able to view the images full-screen to see the entire image): From the above, you can notice a few things (numbers 1 thru 5 below correspond with highlighted numbers on the images above.  You may need to right click on the above images and view the images full-screen to see the entire image): The SQL completed in 110 seconds (1.8minutes) We calculated rate of returns for 5 time periods for each of 911k accounts (the number of actual rows returned by the IRRSTAGEGROUPEVAL operation) We accessed 103m rows of detailed cash flow/market value data (the number of actual rows returned by the IRR_STAGE2 operation) We ran with 72 degrees of parallelism spread across 4 database servers Most of our 110seconds was spent in the “External Procedure call” event On average, we performed 8,200 executions of our R function per second (110s/911k accounts) On average, each execution was passed 110 rows of data (103m detail rows/911k accounts) On average, we did 41,000 single time period rate of return calculations per second (each of the 8,200 executions of our R function did rate of return calculations for 5 time periods) On average, we processed over 900,000 rows of database data in R per second (103m detail rows/110s) R + Oracle R Enterprise: Best of R + Best of Oracle Database This blog post series started by describing a real customer problem: how to perform a lot of calculations on a lot of data in a short period of time.  While standard R proved to be a very good fit for writing the necessary calculations, the challenge of working with a lot of data in a short period of time remained. This blog post series showed how Oracle R Enterprise enables R to be used in conjunction with the Oracle Database to overcome the data volume and performance issues (as well as simplifying the operations and security issues).  It also showed that we could calculate 5 time periods of rate of returns for almost a million individual accounts in less than 2 minutes. In a future post, we will take the same R function and show how Oracle R Connector for Hadoop can be used in the Hadoop world.  In that next post, instead of having our data in an Oracle database, our data will live in Hadoop and we will how to use the Oracle R Connector for Hadoop and other Oracle Big Data Connectors to move data between Hadoop, R, and the Oracle Database easily.

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  • remote desktop: the app on the remote machine is confusing the controller's hostname with its own hostname

    - by David Dai
    I have 2 machines A, B, both run Windows OS. A is my work machine, B is a server on which I have already installed SQLServer. Now I want to install another software on B which runs on top of the SQLServer. I remote connect to B from A. Then on the remote desktop, I start the installer, along the installation process, there's a step where I can configure which server to connect to. normally B's hostname is entered automatically to the hostname field. The issue I'm having is, when I get to that step, A's hostname is entered automatically instead of B's, and even if I manually correct it to 'localhost' or '127.0.0.1' or B's hostname, the installer still cannot connect to B's service as if it still try to connect to A. Theoretically, how does this happen? how is this possible?

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  • how to disable local logins to a mac snow leopard machine?

    - by Wang
    I have a maintenance script that needs to run uninterrupted, so I'd like some way to disable local user logins. Right now, the solution is to send SIGSTP to the loginwindow process, which is suboptimal for several reasons. The most important of them is that the observed behavior is a login prompt that appears to accept the user's credentials but then hangs on a blank desktop before the menu bar or dock or desktop icons appear. This has led to users "fixing" the problem by rebooting the machine. Is there a better way to disable local logins? We currently use iHook, so if there's any way to abort a login from within the login hook, that would integrate nicely with our current setup. Unfortunately, Apple doesn't seem to have documented exactly what would cause Mac OS to abort the login.

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