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• Computer Science Fundamentals - Recommended books

  - by contactmatt

  Hey, I'm looking to see if anyone can recommend any books in fundamentals of computer science. I obtained my associates degree as a programmer/analyst a couple years ago and I know a good amount about programming on the .NET framework. I'm even certified on the .NET 4 framework as a web application developer. However, since I was only able to obtain my associates degree, I was deprived at my college on the low-level basics and operations of computers and basic computer science information. I'm really interesting in learning about the low-level operations of a computer and in programming (bytes, bits, memory management, etc.) Can anyone recommend any good computer science books for someone who is decently experienced in programming? Thank You

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• Login crash loop

  - by dawmail333

  After about the second/third batch of updates on a fresh install of Ubuntu 12.04, I end up getting stuck in an infinite login loop: I enter my password, screen goes black and shows me the end of the initialisation messages (including things like CUPS initialising), and then the greeter reappears. Kicker is, as I'm using gnome-shell, I just decided to uninstall LightDM, ubuntu-desktop and unity-greeter, using GDM as my manager, and the problem still happens in exactly the same manner. I'm lost even as to where to start looking - Xorg logs, LightDM logs (before I removed it), syslog and dmesg logs have held no unusual information at all. I have a TeX assignment due next week, and reinstalling Ubuntu every time I want to work on it is not going to work (nor is using TeX on Windows ;). Anything else I should try?

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• Probelm with ATI catalyst drivers in ubuntu 13.10

  - by Raja

  Recently I've installed dual boot ubuntu 13.10 alongside windows 8. My Laptop is Dell Inspiron 15, with AMD Radeon HD 7670 Video Card. Without fglrx my battery is draining to 1:30 hrs from 3:30hrs (In Ubuntu 13.04 but very slow booting ) so I installed fglrx using What is the correct way to install ATI Catalyst Video Drivers (fglrx)? But the problem is as you all know, Black Screen after logging into ubuntu. Tried so many solutions for this like reinstalling unity , ubuntu-desktop , compizconfig , etc.. but none helped except removing fglrx* completely. (But I need them very badly due to battery) Assuming that all hope is lost., Posting here as a final try.! Will be highly greatfull for those who helped :) PS : For those who think this question is a duplicate., Though the question may be a duplicate, but the answer is not! (so give me a assured solution for this problem before flagging this as duplicate., Kindly understand my frustation) Thank You !

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• Q&amp;A: Does it make sense to run a personal blog on the Windows Azure Platform?

  - by Eric Nelson

  I keep seeing people wanting to do this (or something very similar) and then being surprised at how much it might cost them if they went with Windows Azure. Time for a Q&A. Short answer: No, definitely not. Madness, sheer madness. (Hopefully that was clear enough) Longer answer: No because It would cost you a heck of a lot more than just about any other approach to running a blog. A site that can easily be run on a shared hosting solution (as many blogs do today) does not require the rich capabilities of Windows Azure. Capabilities such as simplified deployed and management, dedicated resources, elastic resources, “unlimited” storage etc. It is simply not the type of application the Windows Azure Platform has been designed for. Related Links: Q&A- How can I calculate the TCO and ROI when considering the Windows Azure Platform? Q&A- When do I get charged for compute hours on Windows Azure? Q&A- What are the UK prices for the Windows Azure Platform

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• High Availability documents for OBIA

  - by Lia Nowodworska - Oracle

  There are 2 white papers that have been created by Product Management and Advanced Resolution team (thanks Rajesh, Archana). These documents describe how to deploy a high-availability environment for the Weblogic components of BI Applications 11.1.1.8.1 and 11.1.1.7.1 including the Oracle Data Integrator. New  Configuring High Availability for Oracle Business Intelligence Applications Version 11.1.1.8.1 (Doc ID 1679319.1)  Updated Configuring High Availability for Oracle Business Intelligence Applications Version 11.1.1.7.1 (Doc ID 1587873.1)  When implementing OBIA please take some time to review one or both of the papers. Do you still have a quick question that you want an expert to have a look at: check in the OBIA Community:

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• Ubuntu 12.04 freezes on suspend hp folio 13

  - by Tom O'Brien

  I have ubuntu 12.04 running from a usb HDD on my hp folio 13. Everything is working, but at first the screen would only blacken when i closed the lid and didn't suspend. So, I followed this guide: https://github.com/deliciousrobots/ubuntu-hp-folio-13 after that, it sort of worked, but very unreliably. Now suspend doesn't even work and it always freeze. Usually the screen will turn black but I can still see my mouse. Sometimes my desktop background will show but the launcher wont be there or anything. Once I didn't have the menu bar on any windows or the top of the screen but the windows I had left open were still (sort of) responsive. Whats wrong? Help Thanks

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• A potential new hire may make more money you do..what should I do [migrated]

  - by Ali

  I have a very solid experience in Software Development and Project management. I just learned that the company I work for has posted a new position with half the experience of mine and even lesser set of skills than I have. However, the new position pays the same salary as my current salary while at the same time they declined to pay the asking salary when I was joining the company. How should I counter this? I know there are many projects in the pipeline where my involvement is crucial for the projects to be successful but I don't want to come across threating. Any advise would be helpful..!

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• SOA Suite 11g Developers Cookbook Published

  - by Antony Reynolds

  SOA Suite 11g Developers Cookbook Available Just realized that I failed to mention that Matt & mine’s most recent book, the SOA Suite 11g Developers Cookbook was published over Christmas last year! In some ways this was an easier book to write than the Developers Guide, the hard bit was deciding what recipes to include.  Once we had decided that the writing of the book was pretty straight forward. The book focuses on areas that we felt we had neglected in the Developers Guide, and so there is more about Java integration and OSB, both of which we see a lot of questions about when working with customers. Amazon has a couple of reviews. Table of Contents Chapter 1: Building an SOA Suite ClusterChapter 2: Using the Metadata Service to Share XML ArtifactsChapter 3: Working with TransactionsChapter 4: Mapping DataChapter 5: Composite Messaging PatternsChapter 6: OSB Messaging PatternsChapter 7: Integrating OSB with JSONChapter 8: Compressed File Adapter PatternsChapter 9: Integrating Java with SOA SuiteChapter 10: Securing Composites and Calling Secure Web ServicesChapter 11: Configuring the Identity ServiceChapter 12: Configuring OSB to Use Foreign JMS QueuesChapter 13: Monitoring and Management

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• Creating a blog for software changes

  - by Dave

  I work for a small company where I maintain a number of project all at once. I would like to create a blog and note software changes/update so that I can keep track of things. Plus it will also serve as help tool for other if they need help. I would like to install something locally on my machine or network, either ASP or PHP is fine. Which software would you recommend? Is it good idea, bad idea? Has anyone done it? I have worked with wordpress and I like it but I am afraid it is not best for code snippets. Any thoughts I do use source control. I am not an expert on it though. I use three different development environment. 1. Visual Studio 2. Eclipse 3. SQL Server Management Studio

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• What is considered third party code?

  - by Songo

  Inspired by this question Using third-party libraries - always use a wrapper? I wanted to know what people actually consider as third-party libraries. Example from PHP: If I'm building an application using Zend framework, should I treat Zend framework libraries as third party code? Example from C#: If I'm building a desktop application, should I treat all .Net classes as third party code? Example from Java: Should I treat all libraries in the JDK as third party libraries? Some people say that if a library is stable and won't change often then one doesn't need to wrap it. However I fail to see how one would test a class that depends on a third party code without wrapping it.

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• How to Integrate Cloud Applications with Oracle SOA Suite

  - by Bruce Tierney

  Having seen a preview of the slides of this upcoming Oracle OpenWorld session on Tuesday Oct 2nd at 11:45 at Moscone West 3003, I'm definitely looking forward to this deep-dive view into cloud integration.  Oracle's Senior Director of Product Management Rajesh Raheja will cover what's involved with cloud integration and provide technical solutions for how to integrate with Oracle cloud applications such as Oracle Fusion, RightNow as well as third party applications like Salesforce. Here is a screenshot from the draft presentation: Also presenting will be a Geeta Pyne, Director of Middleware for BMC to discuss how they have used Oracle SOA Suite for Cloud Integration.

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• GDD-BR 2010 [1C] Google Web Tookit: What it is, How it Works and Deeper Dives

  GDD-BR 2010 [1C] Google Web Tookit: What it is, How it Works and Deeper Dives Speaker: Chris Ramsdale Track: Cloud Computing Time slot: C [12:05 - 12:50] Room: 1 Level: 151 If you're like the rest of us, at some point in your web app development you've wondered if there was an easier solution. One that includes built-in debuggers, code refactoring, reliable syntax highlighting, etc. After all, why should the server-side and desktop programmers get all of the good tools? The good news is that with Google Web Toolkit (GWT) you do have access to these tools. And in this session, Chris Ramsdale will get you up and running with GWT, including what it is, how it works, and deeper dives into generators, native Javascript interop, and compiler optimizations. From: GoogleDevelopers Views: 1 0 ratings Time: 35:02 More in Science & Technology

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• Getting vga_switcheroo with ATI Mobility Radeon 5650 HD to work

  - by stevejb

  Hello! I have a new HP dv7 laptop with ATI Mobility Radeon HD 5650 graphics card, and also Intel graphics (switchable). I have done the following and want to understand what is going on with my graphics driver Resized windows 7 and did fresh install of 10.10 Booted into 10.10 and things seemed to be working okay Enabled ATI graphics, and was clearly working on the ATI rather than Intel GPU (desktop cube worked) Rebooted, got an error that modprobe could not load modules.dep, and also something about i915 symbols Rebooted into recovery mode, modified xorg.conf to remove the mention of fglrx Rebooted, and the errors show, but then x starts but clearly in intel graphics I would ideally like to be able to switch between the ATI and Intel graphics, a la vga_switcheroo. My first problem seems to be that the folder /sys/kernel/debug/vgaswitcheroo does not exist, hinting at some kind of kernel issue. What can I do to get this available? Thanks!

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• How can I have the passphrase for a private key remembered for a user?

  - by Jon Cram

  I have a collection of web services running on Ubuntu Server 12.04 that pull code from a github repository. These services run under a specific user (let's call that user 'example'). In /home/example/.ssh/is_rsa is the private key associated with the relevant github account. When performing an operation such as git pull I am greeted with: Enter passphrase for key '/home/simplytestable/.ssh/id_rsa':. Enter the correct password and all is ok. The same private key is present on local development Ubuntu Desktop 12.04 machines and no passphrase is asked for. I'd like to be able to have the passphrase remembered so that upon entering it once it is never asked for again. This will aid in automating various web service updates. I'm guessing that the passphrase needs to be stored in the relevant user's keychain such that I don't have to enter it every time the private key needs to be unlocked. How can I achieve this?

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• What is the best idea to put available OS (linux) and Web application to client?

  - by Fernando Costa

  After a year programming a web based business management system, I got my idea divided into two differents ways to do what I'm doing... I will try to explain in follow lines: First I will describe my enviroment: Webserver: apache, ngynx Programming Language: PHP, Shell Script, Java Script, SQL Database: Mysql Operating System: Linux, UNIX (All Distros) (If manually configured works on windows) Authentication Server: FreeRadius First situation I have my application running on this enviroment that I had just described before, as my application is a SaaS app, then I have my own server to run it all and customers pay to use it as a service accessed by webbrowser. Second Situation The same as before but with one big difference, everything (environment) is installed in the customer, then I need to cryptography all my codes (It includes PHP and Shell Scripts). I think this situation is most difficulty, but I would like to hear it from different points of view.

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• Placing newly opened windows while having a window maximized?

  - by Wauzl

  I'm often working in a maximized window from which I'm opening new windows, that do not appear maximized. They are placed at the very top at the desktop in the way that I can not see the upper window decoration. The upper dock of the maximized window is in front of it. This is very unhandy, because I can not easily close or move the newly opened window. Is there a way to fix this behaviour? I played around with the Place Windows plugin in compiz but it didn't work at all. Greetings, Wauzl

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• Cloud Integration White Paper - Now Available

  - by Bruce Tierney

  Interested in expanding your existing application infrastructure to integrate with cloud applications?  Download the new Oracle White Paper "Cloud Integration - A Comprehensive Solution" to learn not just about connectivity but the other key aspects of successful cloud integration. The paper includes three technical examples of cloud integration with Oracle Fusion Applications, Saleforce, and Workday and follows with the importance of taking a comprehensive approach to also include service aggregation, service virtualization, cloud security considerations and the benefit of maintaining a unified approach to monitoring and management despite an increasingly distributed hybrid infrastructure. To keep the integration architecture from being defined "accidentally" as new business units subscribe to additional cloud vendors outside the participation of IT, a discussion on the "Accidental SOA Cloud Architecture" is included: As shown in the table of contents below, the white paper provides a combination of high-level awareness about key considerations as well as a technical deep dive of the steps needed for cloud integration connectivity: Hope you find the White Paper valuable.  Please download from the following link

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• Solaris Day in NY and Boston

  - by unixman

  Hey all, -- We're hosting yet another Solaris event in New York -- this one will be on November 29th and focused on some key in-depth technologies in Solaris 11, which had just been released earlier this month.  Speakers include Dave Miner, Glenn Brunette and Jeff Victor.  It starts in the morning and goes through lunch; check out the agenda from the below link. Topics include: new and improved installation and package management experience, virtualization, ZFS and security.Please check it out and come join us! The RSVP link is belowhttp://www.oracle.com/go/?&Src=7239490&Act=34&pcode=NAFM10128512MPP016 Additionally, if you are in the Boston area, an identical event will be held in Burlington the following day, on November 30th. The RSVP link for that is http://www.oracle.com/us/dm/h2fy11/21285-nafm10128512mpp013-oem-525338.html Hope to see you there!

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• The Future According to Films [Infographic]

  - by Jason Fitzpatrick

  Curious what the future will look like? According to movie directors, casting their lens towards the future of humanity, it’s quite a mixed bag. Check out this infographic timeline to check out the next 300,000 years of human evolution. A quick glance over the timeline shows a series of future where things can quickly go from the fun times to the end-of-the-world times. We’d like to, for example, live it up in the Futurama future of 3000 AD and not the Earth-gets-destroyed future of Titan A.E’s 3028. Hit up the link below for a high-res copy of the infographic. The Future According to Films [Tremulant Design via Geeks Are Sexy] HTG Explains: How Hackers Take Over Web Sites with SQL Injection / DDoS Use Your Android Phone to Comparison Shop: 4 Scanner Apps Reviewed How to Run Android Apps on Your Desktop the Easy Way

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• BlueStacks Android App Player Now Available for Macs

  - by Jason Fitzpatrick

  Last year we showed you how to setup BlueStacks on your Windows machine in order to enjoy Android apps on your PC desktop; now BlueStacks is available for Mac OS X with that same cross-platform Android goodness. The Mac version functions much the same as the PC version, if you’re interested in the Mac version be sure to check out our detailed guide to setting up the PC version. BlueStacks for Mac [via TUAW] How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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• How do I change the volume control icon?

  - by Richard Oren Pincook

  I recently switched to gnome 3 (love it!), but the default icon theme was a little dreary and gray, so I switched that back to ubuntu-mono-dark. But now whenever I change my volume, I get this ugly pixelated icon show up. The forum says I don't have enough reputation to post an screenshot, but it's pixelated and ugly with these fuzzy straight blue lines that turn on as the volume goes up. I found identical images in the Humanity and Humanity-Dark icon themes (one example: /usr/share/icons/Humanity/status/24/audio-volume-high.png). I tinkered with the images by changing their names, temporarily deleting them, etc. But it had no effect on the ugly icon. What file is responsible for violating the beauty of my desktop?! Once I find it, I can replace it.

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• Unity poor performance after upgrading to 13.10

  - by Juzer Ali

  I upgraded recently from 13.04 to 13.10. I have Dell Inspiron 4GB RAM, Intel Core i3. Login takes a lot of time and all the graphics are very slow. Alt + Tab takes a lot of time (seconds). After reading some threads, I also removed Cinnamon desktop, but it didn't change anything. I had to ultimately fall back to Gnome Flashback (no effects). Gnome flashback works fine without any issues. Can anyone please help me get back to Unity, else I will have a very hard time running using Gnome.

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• Evolution has no access to couchdb

  - by berkes

  Evolution gives the error "Cannot open addressbook". "We were unable to open this addressbook. This either means you have entered an incorrect URI, or the server is unreachable". "Details: Operation not permitted". (rough translation from Dutch). Enabling verbose logging in (desktop)couchdb tells me roughly the same: [info] [<0.7875.1>] 127.0.0.1 - - 'PUT' /contacts/ 400 [debug] [<0.7875.1>] httpd 400 error response: {"error":"invalid_consumer","reason":"Invalid consumer (key or signature method)."} It seems that evolution tries to fetch the contacts, then couchdb denies access, and then evolution fails to do a proper oauth. This is on Ubuntu 10.10, with its default dektopcouch 1.0.1. Any hints on where to start would be most appreciated :)

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• Webcast: Oracle Service Charges - Introduction/Overview

  - by LuciaC

  December 5, 2012 at 12 pm ET, 11 am CT, 10 am MT, 9 am PT Have you wondered how Service Charges flow through into Order Management?  Do you want to understand more about the functional flows for Service Charges?  If you use Service Charges as part of your service implementation then you won't want to miss this webcast which explains Oracle Service Charges functionality and integration points with other products.   Topics will include: Functional flows involving Service Charges Integration points Data flow Available UI's Available API's. Go to Doc ID 1455786.1 to register. Current Schedule and Archived Downloads can be found on Doc ID 740966.1.

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• Wireless speed drops over time and doesn't get up if not reconnected

  - by Vili Lehto

  I am using Ubuntu 12.10 64bit and I have a Asus PCE-N15 wireless card(in PCI-E slot). The problem is that first when I connect to my WiFi network the speed is just fine, and actually my link speed never drops, it shows a solid 150mb/s+ link speed and good signal. But the download and upload speeds drop dramatically after couple minutes of use and I have to reconnect to fix this. Network is type IEEE 802.11bgn and uses WPA2/AES encryption. I don't have similar problems on the windows side, and the network is working fine on every other device. iwconfig shows this: wlan0 IEEE 802.11bgn ESSID:"WLAN-AP" Mode:Managed Frequency:2.412 GHz Access Point: 00:1E:AB:05:EF:31 Bit Rate=300 Mb/s Tx-Power=20 dBm Retry long limit:7 RTS thr=2347 B Fragment thr:off Encryption key:off Power Management:off Link Quality=61/70 Signal level=-49 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:2 Missed beacon:0 So the question is: Is there a way to fix this? Thanks in advance.

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