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  • Ubuntu Software Center not recognising my network connection

    - by Chethan S.
    I have installed Oneiric Beta on my laptop. As my Mobile Broadband refused to connect to Internet through network manager I'm now using wvdial to connect. Hence the network manager shows I'm not connected to any networks. When I try to install software from Ubuntu Software Center the 'Install' option remains disabled and under reviews section it says no network connection! As a workaround I kept installing applications from terminal which works fine. Therefore, my question is how to make Software Center recognize that I am connected to Internet?

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  • Wise settings for Git

    - by Marko Apfel
    These settings reflecting my Git-environment. It a result of reading and trying several ideas of input from others. Must-Haves Aliases [alias] ci = commit st = status co = checkout oneline = log --pretty=oneline br = branch la = log --pretty=\"format:%ad %h (%an): %s\" --date=short df = diff dc = diff --cached lg = log -p lol = log --graph --decorate --pretty=oneline --abbrev-commit lola = log --graph --decorate --pretty=oneline --abbrev-commit --all ls = ls-files ign = ls-files -o -i --exclude-standard Colors [color] ui = auto [color "branch"] current = yellow reverse local = yellow remote = green [color "diff"] meta = yellow bold frag = magenta bold old = red bold new = green bold whitespace = red reverse [color "status"] added = green changed = red untracked = cyan Core [core] autocrlf = true excludesfile = c:/Users/<user>/.gitignore editor = 'C:/Program Files (x86)/Notepad++/notepad++.exe' -multiInst -notabbar -nosession –noPlugin Nice to have Merge and Diff [merge] tool = kdiff3 [mergetool "kdiff3"] path = c:/Program Files (x86)/KDiff3/kdiff3.exe [mergetool "p4merge"] path = c:/Program Files (x86)/Perforce Merge/p4merge.exe cmd = p4merge \"$BASE\" \"$LOCAL\" \"$REMOTE\" \"$MERGED\" keepTemporaries = false trustExitCode = false keepBackup = false [diff] guitool = kdiff3 [difftool "kdiff3"] path = c:/Program Files (x86)/KDiff3/kdiff3.exe [difftool "p4merge"] path = C:/Users/<user>/My Applications/Perforce Merge/p4merge.exe cmd = \"p4merge.exe $LOCAL $REMOTE\" .

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  • Wirenet : découverte du premier trojan Linux/Mac OS X interplateforme de vol de mot de passe

    Wirenet : le premier trojan Linux/Mac OS X interplateforme De vol de mot de passe Doctor Web, l'éditeur russe d'antivirus, a annoncé l'émergence du premier Trojan Linux/OSX interplateforme de vol de mot de passe. Par l'utilisation d'un backdoor, le malware au nom de code BackDoor.Wirenet.1 arrive à transporter les données de l'utilisateur vers un serveur de contrôle situé à l'adresse 212.7.208.65. Les données récoltées comportent les touches de claviers tapées à l'image d'un keylogger et les mots de passe des utilisateurs enregistrés dans les navigateurs Opera, Firefox, Chrome et Chromium et dans les applications Thunderbird, SeaMonkey et Pidgin. L'AES (Advanced Encryption...

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  • Certify August Updates

    - by Sadia2
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 We have added some release and platform certifications to MOS Certify. Applications : Oracle Demantra Demand Management 7.3.1.5, Oracle Demantra Predictive Trade Planning 7.3.1.5, Oracle Demantra Sales and Operations Planning 7.3.1.5 Database: Oracle Database Client 12.1.0.1.0 11.2.0.4.0, Oracle Clusterware 11.2.0.4.0, Oracle Database 11.2.0.4.0, Oracle Real Application Clusters 11.2.0.4.0 E-Business Suite: Oracle E-Business Suite 12.1.3, Oracle E-Business Suite 12.1.2, Oracle E-Business Suite 12.1.1, Oracle E-Business Suite 12.0.6, Oracle E-Business Suite 11.5.10.2 Edge Applications: Oracle Transportation Management 6.3.2 Enterprise Manager: Oracle Application Management Pack for Oracle E-Business Suite 12.1.0.1.0 Fusion Middleware: Discoverer Administrator 11.1.1.6.0, Discoverer Desktop 11.1.1.6.0, Forms Builder 11.1.1.6.0, Oracle Application Development Framework 11.1.1.6.0, Oracle Application Development Runtime 11.1.1.6.0, Oracle Business Intelligence Publisher 11.1.1.6.0, Oracle Directory Services Manager 11.1.1.6.0, Oracle Forms 11.1.1.6.0, Oracle GoldenGate 11.1.1.1.0, 11.1.1.1.2, 11.1.1.1.1, Oracle GoldenGate Application Adapters 11.1.1.1.1, Oracle Identity and Access Management 11.1.2.0.0, 11.1.2.1.0, Oracle Identity Federation 11.1.1.6.0, Oracle Real-Time Decision Load Generator 11.1.1.7.0, Oracle Real-Time Decision Studio 11.1.1.7.0, Oracle Real-Time Decisions 11.1.1.6.0, Oracle Reports 11.1.1.6.0, Oracle Segmentation Server 11.1.1.6.0, Oracle Virtual Directory 11.1.1.6.0, Oracle Web Cache 11.1.1.6.0, Oracle WebCenter Content Imaging 11.1.1.8.0, Oracle WebCenter Content Inbound Refinery Server 11.1.1.8.0, Oracle WebCenter Content Records 11.1.1.8.0, Oracle WebCenter Content Rights 11.1.1.8.0, Oracle WebCenter Content UI 11.1.1.8.0, Oracle WebCenter Enterprise Capture 11.1.1.8.0, Oracle WebCenter Portal 11.1.1.8.0, Oracle WebCenter Sites 11.1.1.8.0, Oracle WebCenter Sites: CIP for EMC Documentum 11.1.1.8.0, Oracle WebCenter Sites: CIP for File Systems and MS SharePoint 11.1.1.8.0, Oracle WebCenter Sites: Community-Gadgets 11.1.1.8.0, Oracle WebCenter Sites: Explorer 11.1.1.8.0, Oracle WebCenter Universal Content Management 11.1.1.8.0, Reports Builder 11.1.1.6.0, Oracle WebCenter Content Records 11.1.1.8.0, Oracle WebCenter Content Rights 11.1.1.8.0, Oracle WebCenter Content UI 11.1.1.8.0, Oracle WebCenter Sites: Developer Tools 11.1.1.8.0 FSGBU Insurance Group : Oracle Health Insurance Claims 2.13.3.0.0, 2.13.2.0.0, 2.13.1.0.0 JD Edwards EnterpriseOne: JD Edwards EnterpriseOne Tools 9.1.3.0, 9.1.2.0, 9.1.0.0 JD Edwards World: JD Edwards World Service Enablement A93SE, A931SE PeopleSoft: PeopleSoft PeopleTools 8.52 Siebel Enterprise: Siebel Application Server 8.2.2.4.0, 8.2.2.3.0, 8.2.2.2.0, 8.1.1.11.0, 8.1.1.10.0, 8.1.1.9.0, Siebel CRM Desktop Client 8.2.2.4.0, 8.2.2.3.0, 8.2.2.2.0, 8.1.1.11.0, 8.1.1.10.0, 8.1.1.9.0, Siebel Database Server 8.2.2.4.0, 8.2.2.3.0, 8.2.2.2.0, 8.1.1.11.0, 8.1.1.10.0, 8.1.1.9.0, Siebel HI Web Client 8.2.2.2.0, 8.1.1.9.0, Siebel Gateway Server 8.2.2.4.0, 8.2.2.3.0, 8.2.2.2.0, 8.1.1.11.0, 8.1.1.10.0, 8.1.1.9.0, Siebel Outlook Add-in Client 8.2.2.2.0, Siebel Remote Client 8.2.2.4.0, 8.2.2.3.0, 8.2.2.2.0, 8.1.1.11.0, 8.1.1.10.0, 8.1.1.9.0, Siebel Tools Client 8.2.2.4.0, 8.2.2.3.0, 8.2.2.2.0, 8.1.1.11.0, 8.1.1.10.0, 8.1.1.9.0, Siebel Web Server Extension 8.2.2.4.0, 8.2.2.3.0, 8.2.2.2.0, 8.1.1.11.0, 8.1.1.10.0, 8.1.1.9.0 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;}

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  • Rendering performance in FlasCC + UDK when compared to Stage3d and UDK on Windows?

    - by Arthur Wulf White
    Adobe recently released the Flash C++ Compiler, which UDK uses to target Flash Player. Developers can now access UDK for browser applications. Does this mean greater performance than using a Stage3D engine (Away3D 4) and how much of a noticeable difference in performance would it make in rendering speeds? Is there any benchmark you could propose that would allow to compare them fairly? I am asking this to help myself understand the consequences in performance for deciding to use UDK in a browser based game. I would also like to know how it compares with UDK running natively in Windows? I am not asking which technology to use or which is better. Only interested in optimizing rendering speed in a 3d browser game with flash.

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  • Is there any reason to use C++ instead of C, Perl, Python, etc.?

    - by Ehsan
    As a Linux (server side) developer, I don't know where and why should I use C++. When I'm going to performance, the first and last choice is C. When "performance" isn't the main issue, programming languages like Perl and Python would be good choices. Almost all of open source applications I know in this area has been written in C, Perl and Python, Bash script, AWK and even PHP, but no one goes to use C++. I'm not discussing about some other areas like GUI or web application, I'm just talking about Linux and about CLI and daemons. Is there any satisfiable reason to use C++?

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  • Microdata Without Reviews

    - by user36562
    I have not been able to find a clear issue on omitting reviews from Microdata. I understand that Microdata values for reviews will default to a certain number when omitted, but I was wondering if it would be correct/acceptable to completely omit the review node completely. I can see where reviews and average "star" ratings would be of help to the end user, especially for things like recipes. However, what if there are no reviews for a product or application? To be completely clear - let's isolate this question to only software applications or extensions. What if a particular piece of software or extension was not featured on an "app store" or other site that provided reviews? Wouldn't the formats still be helpful by providing version number, download URL, compatible software - etc? Sorry for the lengthy background, but I just don't understand why it seems that reviews must be part of a Microdata markup. Or, am I wrong in this assumption?

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  • iPhone 5 : adaptateurs, nano-SIM, 3G+ en France et une action Apple prévue à 1.000 $

    L'iPhone 5 a un écran plus grand et une nouvelle connectique propriétaire Il arrive le 21 septembre, aux mêmes prix que l'iPhone 4S Edit de 23h30 : ajout des caractéristiques techniques complètes, de la partie sur la Nano-SIM et des prix officiels Cinq. Apple a bien présenté ce soir son iPhone 5, avec un écran de 4 pouces (1136 x 640 en 16/9e). Comme prévu. Que les développeurs se rassurent, les applications conçues pour les anciens iPhones ne seront pas étirées mais se verront ajouter deux bandes noires. Plus fin (7.6 mm), plus léger (112 grammes), plus rapide avec le processeur A6 (présenté comme 2 fois plus véloce, y compris dan...

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  • Unable to log in to ubuntu server 10.04 after trying to join windows domain

    - by nash
    I was trying to join our ubuntu 10.04 server to the windows domain and I ended up editing the pam.d configuration files. My aim was to have domain users log into the ubuntu server with their domain accounts in order to access some applications instead of creating new unix users each time. My system admin says the join was successful to the domain. Now I have no way of logging into the sever. Is there a way I can undo everything and get the server back to the original login using the local account? I will also appreciate if someone pointed me to some configuration that actually worked - I am still willing to try and make it work.

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  • Silverlight Security

    Here are some interesting links about Silverlight security (I learnt a lot from the first document): Silverlight security whitepaper: > http://download.microsoft.com/download/A/1/A/A1A80A28-907C-4C6A-8036-782E3792A408/Silverlight Security Overview.docx This reading gives you a lot of insight into features like Isolated Storage, Local Messaging, Cross-Site Scripting (XSS), Sandbox, Validate input, https, . Shawn Wildermuths session at MIX10: > Securing Microsoft Silverlight Applications ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Philly GiveCamp 2010

    - by wulfers
    Spent the weekend helping out several non-profits doing what we like to do best...  Designing, developing and making people very happy with their new websites, systems, applications and features.  Form what I saw at this GiveCamp about 75 percent of the non-profits needed updated or new websites supporting CMS features and the ability for staff members to update the content on their websites.... Some cool apps were designed and developed..... A centralized system for distribution of daily schedules and task assistance to autistic clients was a show stopper with an awesome central management interface, IPhone and in the future windows phone support for tactile, auditory and visual cues. SharePoint was upgraded and forms were automated for a volunteer fire company that desperately needed some automation to help the fireman do their primary job. Many cool sites for non-profits that had ether an outdated or non existent web presence.

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  • Recorded YouTube-like presentation and "live" demos of Oracle Advanced Analytics

    - by chberger
    Ever want to just sit and watch a YouTube-like presentation and "live" demos of Oracle Advanced Analytics?  Then ' target=""click here! This 1+ hour long session focuses primarily on the Oracle Data Mining component of the Oracle Advanced Analytics Option and is tied to the Oracle SQL Developer Days virtual and onsite events.   I cover: Big Data + Big Data Analytics Competing on analytics & value proposition What is data mining? Typical use cases Oracle Data Mining high performance in-database SQL based data mining functions Exadata "smart scan" scoring Oracle Data Miner GUI (an Extension that ships with SQL Developer) Oracle Business Intelligence EE + Oracle Data Mining resutls/predictions in dashboards Applications "powered by Oracle Data Mining for factory installed predictive analytics methodologies Oracle R Enterprise Please contact [email protected] should you have any questions.  Hope you enjoy!  Charlie Berger, Sr. Director of Product Management, Oracle Data Mining & Advanced Analytics, Oracle Corporation

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  • running apt-get update shows GPG error

    - by Dinesh
    I am getting below GPG error on running the command sudo apt-get update. W: GPG error: http://in.archive.ubuntu.com precise Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <[email protected]> W: Duplicate sources.list entry http://archive.canonical.com/ubuntu/ precise/partner i386 Packages (/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_precise_partner_binary-i386_Packages) Also, I am not able to install applications from software center. Every time I install it shows a dialog box with the message, Requires Installation of Untrusted packages The action would require the installation of packages from not authenticated sources. OK or Repair options does nothing.

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  • Windows 8 fait son « Tour de France » : 8 dates, 8 villes, et autant de Labs pour apprendre à développer pour « Metro »

    Windows 8 fait son « Tour de France » 8 dates, 8 villes, et autant de Labs pour apprendre à développer pour « Metro » Au sein de ses DevCamps, Microsoft a organisé cette année un évènement dans l'évènement : un Tour de France pour Windows 8. Chacune des 8 étapes se déroulera sous forme de « Lab », animé par un expert selectionné par Microsoft. Le but est prendre en main le futur OS hybride tactile-desktop, et surtout de découvrir le développement d'applications Metro . « Grâce à ces journées de formation, vous apprendrez à maîtriser de bout en bout le développement d'application METRO pour Windows 8 », promet Microsoft [IMG]http://ftp-developpez.com/go...

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  • Announcement: Oracle Solaris 11.1

    - by uwes
    On October 3rd at Oracle OpenWorld John Fowler announced Oracle Solaris 11.1 . This first update to Oracle Solaris 11 increases uptime for the Oracle Database: 8x faster database shutdown and start-up Helps DBAs find and resolve I/O issues increasing performance 1.2x Oracle RAC throughput Oracle Solaris 11.1 drives up network utilization by extending network virtualization to include Edge Virtual Bridging and Data Center Bridging that help manage network bandwidth for high priority services and applications. Learn more and share these valuable tools with your customers to encourage them to deploy Oracle Solaris 11.1 Read Press Release here Oracle Solaris 11.1 Data Sheet (PDF) What's New in Solaris 11.1 Oracle Solaris 11.1 FAQs Join the the online web event Oracle Solaris 11 Innovations for your Data Center on November 7, 2012

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  • How To Switch Webmail Providers Without Losing All Your Email

    - by Chris Hoffman
    Do you use a webmail service you’re unhappy with because it’s where all your email is? There’s good news – you can easily switch, without losing your old email and contacts and without missing email sent to your old address. This guide will help you switch to a shiny new webmail service. The exact ways to switch between email services will differ depending on which webmail provider you’re using. We’ll be focusing on three of the most popular services here: Gmail, Outlook.com (Hotmail), and Yahoo! Mail. How To Switch Webmail Providers Without Losing All Your Email How To Force Windows Applications to Use a Specific CPU HTG Explains: Is UPnP a Security Risk?

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  • Dead keys in emacs with ibus

    - by Virgile
    I've just upgraded to 13.10 and noticed that dead keys are not working anymore in emacs (a keystroke to ' leads emacs to display <dead-acute> is undefined instead of waiting to the next key. In addition, use of the compose key leads to <Multi_key> is undefined and it is impossible to use keybindings such as <M-^>. Other applications work fine as far as I can tell. A brief search on the internet suggested to (require 'isotransl) to .emacs. This solves the first issue, but not the other ones. Another possible workaround seen on the web is to launch emacs with an empty XMODIFIERS variable, as XMODIFIERS='' emacs, instead of XMODIFIERS= @im=ibus which seems to be the default in 13.10. Then everything works fine, but it looks like a kludge. Is there a way to make emacs work with ibus on this subject?

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  • How to open files which are located in VirtualBox's Guest Machine from Netbeans of Host Machine

    - by Bakhtiyor
    I have Ubuntu 10.04 installed in my Host Machine and it has VirtualBox. I have Guest Machine wich runs Ubuntu 10.10. I have NetBeans installed in Host Machine and need to open my project files which are located in Guest Machine. The reason I need it is because in my working place I have not access to install any applications, that is why I have Guest Machine where I have Web Server installed on it and also I have one web application that I am developing. I need to open that web application files from Guest Machine's Netbeans in order to modify/create new files for my web application. I have configured SSH server of Guest Machine and added port redirection in the VirtualBox so that now I can connect to it from Host Machine. But I could not find any way to open those files from Netbeans. Could anybody give me advice about how can I do that please? UPDATE I forgot to say that I don't want to use SharedFolders.

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  • Enterprise Java and Hibernate [closed]

    - by KyelJmD
    I am now done learning the JavaSE. Now , I want to jump out of my comfort zone and learn how to program /create web applications using java. First My Question: What is the difference between Enterprise Java and Hibernate? are they a like? or Hibernate is a framework for java? Now that I am done learning "Core" java I need to move ahead. what are the things I need to learn to use Hibernate? and learn java. as of now I have no idea where should I go after learning "core java". and I don't know what path to go to

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  • Using JPA 2.0 with WebLogic Server 10.3.4 and Eclipse

    - by greg.stachnick
    Beginning in Oracle Enterprise Pack for Eclipse (OEPE) 11.1.1.6.1, we introduced a new feature for WebLogic Server configuration called Server Extensions. Similar in concept to project facets, Server Extensions allow us to install additional technologies, libraries, configurations, etc into an existing server runtime. WebLogic Server 10.3.4 introduces new support for Java Persistence 2.0, the new JEE 6 standard entity access. In order to start developing JPA 2.0 applications with WebLogic Server 10.3.4, a SmartUpdate patch must be applied to add and configure the EclipseLink libraries. More information on the manual EclipseLink installation and configuration can be found here. OEPE provides a Server Extension for JPA 2.0, making the addition and configuration of JPA 2.0 and EclipseLink much easier. When defining a new WebLogic Server 10.3.4 configuration, simply click the Install link for Java Persistence 2.0 and OEPE will take care of the WebLogic Server enablement for JPA 2.0.  

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  • How to use RDP protocol in Remote Desktop Viewer?

    - by drgrog
    I am using a Natty Live-USB, and the Remote Desktop Viewer application (Applications - Internet - Remote Desktop Viewer) only shows SSH & VNC protocols. How can I include RDP in the list, in order to connect to existing Windows Remote Desktop sessions on Windows XP machines. I am aware that I can use the gnome-rdp application, or even rdesktop hostname from a terminal, but I would like to create a persistent LiveUSB that uses Remote Desktop Viewer to connect to Windows RDP (port 3389). I do not want to set up VNC, TeamViewer or any others, as these do not solve my problem due to the fact they need additional software on the remote hosts.

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  • Script at Startup

    - by OttoRobba
    I'm using 10.10 and I need to run a script in order to get a windows-like international keyboard layout - basically, it changes how dead keys work. (Original script from this page http://t.tam.atbh.us/en/win-us-intl-4-linux/ ) Since I can't seem to manage to get it going from boot, I have to run a custom script to launch any application. The script: export GTK_IM_MODULE=xim setxkbmap us intl xmodmap -e 'keycode 48 = dead_acute dead_diaeresis dead_acute dead_diaeresis acute diaeresis' application_name So if I put abiword in the application_name, it runs abiword respecting the keyboard script. Ideally, the original script would start at boot and then any applications I use would function with it - just like what happens if I run it first in Terminal (without the app_name line) and then run apps from it. I tried to make the script run from boot by adding it to /etc/rc.local but to no avail. Tried to add it to init.d but that also didn't work. If anyone can help, I'd be most grateful.

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  • Organization &amp; Architecture UNISA Studies &ndash; Chap 5

    - by MarkPearl
    Learning Outcomes Describe the operation of a memory cell Explain the difference between DRAM and SRAM Discuss the different types of ROM Explain the concepts of a hard failure and a soft error respectively Describe SDRAM organization Semiconductor Main Memory The two traditional forms of RAM used in computers are DRAM and SRAM DRAM (Dynamic RAM) Divided into two technologies… Dynamic Static Dynamic RAM is made with cells that store data as charge on capacitors. The presence or absence of charge in a capacitor is interpreted as a binary 1 or 0. Because capacitors have natural tendency to discharge, dynamic RAM requires periodic charge refreshing to maintain data storage. The term dynamic refers to the tendency of the stored charge to leak away, even with power continuously applied. Although the DRAM cell is used to store a single bit (0 or 1), it is essentially an analogue device. The capacitor can store any charge value within a range, a threshold value determines whether the charge is interpreted as a 1 or 0. SRAM (Static RAM) SRAM is a digital device that uses the same logic elements used in the processor. In SRAM, binary values are stored using traditional flip flop logic configurations. SRAM will hold its data as along as power is supplied to it. Unlike DRAM, no refresh is required to retain data. SRAM vs. DRAM DRAM is simpler and smaller than SRAM. Thus it is more dense and less expensive than SRAM. The cost of the refreshing circuitry for DRAM needs to be considered, but if the machine requires a large amount of memory, DRAM turns out to be cheaper than SRAM. SRAMS are somewhat faster than DRAM, thus SRAM is generally used for cache memory and DRAM is used for main memory. Types of ROM Read Only Memory (ROM) contains a permanent pattern of data that cannot be changed. ROM is non volatile meaning no power source is required to maintain the bit values in memory. While it is possible to read a ROM, it is not possible to write new data into it. An important application of ROM is microprogramming, other applications include library subroutines for frequently wanted functions, System programs, Function tables. A ROM is created like any other integrated circuit chip, with the data actually wired into the chip as part of the fabrication process. To reduce costs of fabrication, we have PROMS. PROMS are… Written only once Non-volatile Written after fabrication Another variation of ROM is the read-mostly memory, which is useful for applications in which read operations are far more frequent than write operations, but for which non volatile storage is required. There are three common forms of read-mostly memory, namely… EPROM EEPROM Flash memory Error Correction Semiconductor memory is subject to errors, which can be classed into two categories… Hard failure – Permanent physical defect so that the memory cell or cells cannot reliably store data Soft failure – Random error that alters the contents of one or more memory cells without damaging the memory (common cause includes power supply issues, etc.) Most modern main memory systems include logic for both detecting and correcting errors. Error detection works as follows… When data is to be read into memory, a calculation is performed on the data to produce a code Both the code and the data are stored When the previously stored word is read out, the code is used to detect and possibly correct errors The error checking provides one of 3 possible results… No errors are detected – the fetched data bits are sent out An error is detected, and it is possible to correct the error. The data bits plus error correction bits are fed into a corrector, which produces a corrected set of bits to be sent out An error is detected, but it is not possible to correct it. This condition is reported Hamming Code See wiki for detailed explanation. We will probably need to know how to do a hemming code – refer to the textbook (pg. 188 – 189) Advanced DRAM organization One of the most critical system bottlenecks when using high-performance processors is the interface to main memory. This interface is the most important pathway in the entire computer system. The basic building block of main memory remains the DRAM chip. In recent years a number of enhancements to the basic DRAM architecture have been explored, and some of these are now on the market including… SDRAM (Synchronous DRAM) DDR-DRAM RDRAM SDRAM (Synchronous DRAM) SDRAM exchanges data with the processor synchronized to an external clock signal and running at the full speed of the processor/memory bus without imposing wait states. SDRAM employs a burst mode to eliminate the address setup time and row and column line precharge time after the first access In burst mode a series of data bits can be clocked out rapidly after the first bit has been accessed SDRAM has a multiple bank internal architecture that improves opportunities for on chip parallelism SDRAM performs best when it is transferring large blocks of data serially There is now an enhanced version of SDRAM known as double data rate SDRAM or DDR-SDRAM that overcomes the once-per-cycle limitation of SDRAM

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  • Visio Stencils for ADF Faces Available on SampleCode

    - by juan.ruiz
    We are pleased to announce the launch of a new tool aiming to help visual designers and UI developers to build mockups for ADF applications outside of JDeveloper in a fast and quickly way. Available through samplecode.oracle.com, the ADF Visio stencils provide you with a large set of shapes, icons and layouts representing the most commonly used visual components. You can check out this video that shows you how to get you started using the Visio stencils. Let us know what do you think about the stencils on the JDeveloper Forum, your feedback is always important to us.

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  • Creating and Using a jQuery Plug-in in ASP.NET Web Forms

    - by bipinjoshi
    Developers often resort to code reuse techniques in their projects. As far as ASP.NET framework server side programming is concerned classes, class libraries, components, custom server controls and user controls are popular code reuse techniques. Modern ASP.NET web applications no longer restrict themselves only to server side programming. They also make use of client side scripting to render rich web forms. No wonder that Microsoft Visual Studio 2010 includes jQuery library by default as a part of newly created web site. If you are using jQuery for client side scripting then one way to reuse your client side code is to create a jQuery plug-in. Creating a plug-in allows you to bundle your reusable jQuery code in a neat way and then reuse it across web forms. In this article you will learn how to create a simple jQuery plug-in from scratch. You will also learn about certain guidelines that help you build professional jQuery plug-ins.http://www.bipinjoshi.net/articles/aae84a03-b4a8-477d-b087-5b7f42935220.aspx 

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