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• Downgrade 'local' packages in Debian/Ubuntu

  - by Matt Joiner

  I recently unticked the "pre-released updates" option in Software Sources on my Ubuntu Lucid 10.04.1 installation. The Ubuntu wiki states the following regarding this source: The proposed updates are updates which are waiting to be moved into the recommended updates queue after some testing. They may never reach recommended or they may be replaced with a more recent update. Roughly 20 installed packages have indeed not made it into recommended updates, and occasionally cause conflicts when I install new software, as related packages of the newer version are unavailable now that I've disabled the source. How can I force a downgrade of all packages for which an earlier version exists in a enabled repository?

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• How can a domain use its own nameservers?

  - by Thomas Clayson

  I have to change the MX DNS records for our company domain name and I've come across this odd situation: A whois search shows up that the nameservers for ourcompany.com are ns1.ourcompany.com and ns2.ourcompany.com. In the DNS settings at the registrar there are no A/Cname records at all. However the nameservers are defined in the DNS settings for the domain on our dedicated server. (Registrar and host are two different companies). Using the DNS lookup on http://www.mxtoolbox.com/ shows that ns2.ourcompany.com is reporting the correct IP for our dedicated server. Its all very odd... the DNS on the dedicated server doesn't seem to have much effect, but its odd that the dns at the registrar's end doesn't have any records. thanks for your help.

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• ArchBeat Link-o-Rama for 2012-09-25

  - by Bob Rhubart

  Oracle 11gR2 RAC on Software Defined Network (SDN) | Gilbert Stan "The SDN [software defined network] idea is to separate the control plane and the data plane in networking and to virtualize networking the same way we have virtualized servers," explains Gil Standen. "This is an idea whose time has come because VMs and vmotion have created all kinds of problems with how to tell networking equipment that a VM has moved and to preserve connectivity to VPN end points, preserve IP, etc." H/T to Oracle ACE Director Tim Hall for the recommendation. ServerSent-Events on WebLogic Server | Steve Buttons "The HTML5 ServerSent-Event model provides a mechanism to allow browser clients to establish a uni-directional communication path to a server, where the server is then able to push messages to the browser at any point in time," explains Steve "Buttso" Buttons. Focus on Architects and Architecture This handy guide for sessions and other activities at Oracle OpenWorld 2012 focuses on IT architecture in all its many facets and permutations. Operating System Set-up for WebLogic Server | Rene van Wijk Oracle ACE Rene van Wijk shows you how to set-up an operating system for WebLogic Server. "We will use VMware as our virtualization platform and use CentOS as the operating system," says van Wijk. "We end the post by showing how the operating system can be tuned when running a Java process such as WebLogic Server." Free eBook: Oracle SOA Suite - In the Customer's Words If you find yourself in the position of having to sell the idea of Service-oriented Architecture to business stakeholders this free e-book may come in very handy. Check out "Oracle SOA Suite: In the Customer's Words. (Registration / Oracle.com login required.) Thought for the Day "The first rule of any technology used in a business is that automation applied to an efficient operation will magnify the efficiency. The second is that automation applied to an inefficient operation will magnify the inefficiency." — Bill Gates Source: BrainyQuote.com

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• Japanese Multiplication simulation - is a program actually capable of improving calculation speed?

  - by jt0dd

  On SuperUser, I asked a (possibly silly) question about processors using mathematical shortcuts and would like to have a look at the possibility at the software application of that concept. I'd like to write a simulation of Japanese Multiplication to get benchmarks on large calculations utilizing the shortcut vs traditional CPU multiplication. I'm curious as to whether it makes sense to try this. My Question: I'd like to know whether or not a software math shortcut, as described above is actually a shortcut at all. This is a question of programming concept. By utilizing the simulation of Japanese Multiplication, is a program actually capable of improving calculation speed? Or am I doomed from the start? The answer to this question isn't required to determine whether or not the experiment will succeed, but rather whether or not it's logically possible for such a thing to occur in any program, using this concept as an example. My theory is that since addition is computed faster than multiplication, a simulation of Japanese multiplication may actually allow a program to multiply (large) numbers faster than the CPU arithmetic unit can. I think this would be a very interesting finding, if it proves to be true. If, in the multiplication of numbers of any immense size, the shortcut were to calculate the result via less instructions (or faster) than traditional ALU multiplication, I would consider the experiment a success.

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• Screencasting with explanation boxes

  - by Bakhtiyor

  I wanted to make a video demonstration of one software. I wanted to use text description instead of using voice description, a simple example of what I've explained could be this short screencasting, where author uses short text messages instead of explaining it with his own voice. Could you recommend any free software for doing such a screencasting please? Would be better if it works in Ubuntu or if it is a web application. UPDATE I have found out Wink which could add explanations boxes as I said. Now the problem is that it doesn't support Linux 64bit, has only 32bit. Any other app like Wink for 64bit Linux?

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• new xp install, but it moves slow

  - by doug

  hi there I just installed new XP windows OS on a old laptop. I did also all the updates I was asked for. I installed also, the latest driver updates from the official laptop producer site. Now, when I try to use that laptop to talk on Yahoo! Messenger, the sound quality is very bad, and I barely hear what the other person is saying. Before I was reinstalling the XP the laptop were working fine. do you have any tips for me? What software utilities to try in order to improve it's performance? what software utilities to install in order to test it's performances?

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• Re-downloading Microsoft SQL Server 2008 Standard because of license issues?

  - by James Watt

  I have many clients who have purchased Microsoft SQL Server 2008 Standard. Unlike other Microsoft software, there is not a serial number provided for each customer to install the software. Futhermore, Microsoft's TechNet website lists this information about SQL Server instead of providing a key: "This product is pre-pidded." This means that the configuration file for SQL server contains your serial number instead of manually entering it. My question is then: does this serial change for each customer? The reason I ask: I'd rather not download a 3.2GB disc image over and over again for each of my customers individually. But, I don't want to risk using the same image over and over again resulting in Microsoft banning the serial for over use (as opposed to each customer using their copy with THEIR serial number.) Thanks in advance.

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• Increasing Screen Resolution to more than limit and scaling to origional

  - by Akshat Mittal

  I have a laptop, with Screen Resolution - 1366x768 (most common) - I want to increase it further to 1600x900 (or higher), in the same ratio. I want to scale the higher resolution on my current screen to fit it. I found xrandr with command xrandr --output LVDS1 --scale 1.4x1.4, this worked but again resulted to another problem, it does the scaling thing but the cursor is still blocked into the native screen resolution and I am not able to move it further, I found that the bug is already filed here. Also this command was only for Linux, I wanted to do this thing with both Linux and Windows (including Windows 8). I want a similar software that is bug free (at least not a major bug like this) and that supports Windows as well (or two separate software for Windows and Linux). Any help is appreciated and Thanks in advance.

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• New AutoVue for Agile Data Sheet & Solution Brief

  - by Pam Petropoulos

  AutoVue for Agile visualization solutions deliver best-in-class document and CAD (MCAD and ECAD) visualization and collaboration capabilities directly within Oracle Agile PLM. With AutoVue for Agile solutions, companies can enable visual decision-making across the product lifecycle and simplify end-to-end design to manufacturing. They can also optimize new product development and introduction, as well as change management processes, and enable more efficient collaboration with global supply chain partners without jeopardizing critical intellectual property. Check out the latest AutoVue for Agile materials which outline the capabilities of the AutoVue 2D Professional for Agile and AutoVue Electro-Mechanical Professional for Agile solutions and their corresponding benefits. Click here for the data sheet. Click here for the solution brief.

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• Licensing a collaborative research project

  - by Marcus Jones

  I am involved with an international research project which involves many different universities, national labs, and companies. The project is developed by national grants and in-kind support. One task in the project is to develop code to streamline workflow in our domain (energy simulation) by scripting common pre- and post-processing tasks for different tools. We want this code to be freely distributable to the simulation community. How can we ensure that this effort is digestible by the legal departments of these different parties such that the people involved can freely code?

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• Oracle ADF Mobile is Now Available!

  - by Michelle Kimihira

  We are happy to announce availability of Oracle ADF Mobile, part of Oracle ADF (Application Development Framework). Oracle ADF is an HTML5 & Java-based framework that enables developers to build and deploy to iOS and Android devices from one application code base. By using open standards like HTML5 for a cross-platform consistent interface and Java for the application logic, companies can readily leverage existing skill and resources to develop mobile applications for iOS and Android.  There’s no need to learn a new platform specific programming language for each device.  With Oracle ADF Mobile -  you simply write once, deploy to many! Read the press release here.     On Wednesday, we will be featuring a blog on developing mobile applications and exploring the different options: Web, Native, or Hybrid. Additional Information Blog: ADF Blog Product Information on OTN: ADF Mobile Product Information on Oracle.com: Oracle Fusion Middleware Follow us on Twitter and Facebook Subscribe to our regular Fusion Middleware Newsletter

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• Choosing the Right Financial Consolidation and Reporting Solution

  Financial reporting requirements for publicly-held companies are changing and getting more complex. With the upcoming convergence of US GAAP and IFRS, demand for more detailed non-financial disclosures, and the SEC mandate for XBRL financial executives are under pressure to ensure they have the right systems in place to support current and future reporting requirements. Tune into this conversation with Rich Clayton, VP of Enterprise Performance Management and BI products for Oracle, and Annette Melatti, Senior Director of Product Marketing for Financial Applications to learn about the latest market requirements, what capabilities are provided by Oracle's General Ledgers, and how customers can extend their investment in Oracle General Ledger solutions with Oracle's market-leading financial close and reporting products.

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• Will my site containing duplicate content be accepted in Adsense

  - by user5858

  I've a new site just over 6 months with 50 unique visitors daily. It has good amount of duplicate pages which are not copyrighted. For example I've copied related companies product FAQ's "as is" in the site. Moreover I'm not supposed to modify a company's product's faqs. I fear my login may be banned by Adsense if I submit it. So I want to know: 1) Whether I can submit it for Adsense account 2) Whether Google can penalize me and in what way 3) How would Google come to know that the duplicate content on my site is not copyrighted?

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• Windows 8 - Synaptics driver - Mouse keeps freezing

  - by KickAss

  I have Win-8 Pro installed on my Dell XPS. This has Synaptic PS/2 Port TouchPad. As I upgraded the Laptop from Win7 to Win8 all my factory Mouse software (along with other preinstalled software) was all deleted. So for the mouse, I installed Windows 8/7/XP/Vista 64/32-bit Edition v16.3.15.1. Problem - every few seconds (or minutes at times), the mouse freezes. Windows is still working, it's just the mouse. I have to wait 5-15 seconds before the mouse works again. I thought this was because the Synaptic Driver I am installing is not Win-8 compatible but this is not the case. It seems the mouse freezes when Windows is working, loading or opening new programs/windows. I have the same problem in my other Laptop which has upgraded Win8 pro. This is a Dell Studio. What's causing this?

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• what do I need to do to get started with a website? [closed]

  - by omar

  I am a student and I have made websites for some companies before but now I would like to make a generic website for myself but dont know how to get started as I never had to deal with hosting or bandwidth before. I am looking to make a website that will provide users with information about me. In the future I might add things such as ordering or buying products but for now the idea is to provide information only. I was told not to go for any webhoster outside of Canada as I might risk the confidential integrity of my users or myself. I have no idea where to get started or what I need. I now also have to deal with possible security issues or security holes I may leave in my website creation... So my question here is: What is a good and reliable webhosting company that can be trusted to some degree?

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• Do I have to chmod 777 my NFS folder when I share?

  - by luckytaxi

  Under Redhat, if I export a folder as an NFS mount, does the folder have to have RW for users/groups/others? Right now /storage/software is -rwxr-xr-x root/root i.e. /etc/exportfs /storage/software *(rw,sync) On my client, I can mount but I can't write. I'm using a regular user and NOT root. I think "no_root_squash" fixes it but I really don't want that. Then again, nor do I want to have to chmod 777 the folder on the server.

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• SQL server periodically gets disconnected

  - by Maulin

  Hi, Our environment is: Windows Server 2003, Service Pack 2 SQL Server Express 2005 SQLServer JDBC driver 1.2 (also tried Jtds) Sun JDK 1.6 (we tried this on JDK 1.5 as well) There is no virus protection software on the host, and no firewall is enabled. We have Web application deployed in JBOSS 4.0.2. Our problem is that the JDBC connection to SQL server periodically gets disconnected, and then we can't reconnect to the SQL server at all, unless we physically restart the server on which JBOSS deployed. we are getting following error in log. Software caused connect on abort: recv failed Note: We are able to connect to SQL server using sample java test class. Any suggestions would be most appreciated, as this is a serious, mission-criticial problem for us right now.

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• I want to be a programmer! [closed]

  - by Mohamed Abd El Maged

  I am a doctor. I have a bachelor of medicine and general surgery. I want to change my career and work as a programmer in big companies such as Microsoft, Oracle, ... this is my dream ! I haven't got any degree in IT or Computer science. The question here is: Is it possible to achieve my dream and work as professional programmer in the future? Another question: if applicable, which certifications should I strive to get?

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• Just being hired as a senior developer, never even been a junior developer, what should I expect?

  - by Mark James

  I've been a freelancer and a coder by night for a while, and recently, I've been hired after several levels of interviews in a nice NY company, even though I've some lacks in specific fields. Is this common for companies to hire seniors with less experience? Will they wait some weeks to respect a certain learning curve? I don't know anything about working in a company, so that's why I worry. After one week, I'm still checking and exploring sources, but after one week of work, it seems that some coworkers are considering that I'm slow. I'm good in maths, physics, algorithms, but still I need to learn about all the templates used in this company. Anyone here already received a less-experienced senior member in his team? Is this acceptable? I'm planing on having a meeting with my boss to stop worrying about that. Sounds like a good idea?

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• Looking for a good Web Server that is cheap

  - by SoLoGHoST

  I am a Project Manager, and former Lead Developer for a software portal system that requires a forum software to run. I am in need of a server that is cheap, reliable, and supports the latest PHP (5.2+), MySQL, unlimited e-mails (preferably), a cPanel, multiple sub-domains (atleast 3+). Currently I am paying $34.95 USD/month (approx. $420 USD/year). This is too high for me to pay to keep the site running. I just recently became Project Manager and in charge of Finances and I'm extremely concerned for the future of Dream Portal. With those prices I'm not sure I'll be able to keep it running for too long. Can someone please tell me of a good server that meets all of the requirements that I listed above that is cheaper on a yearly basis? Note: Currently on a Dedicated Server with limited disk space at 15000 MB (15 GB), monthly bandwidth = 500000 MB, 50 emails limit, 20 sub-domains limit, 30 FTP accts., and 25 SQL Databases.

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• ideas for a personal website [on hold]

  - by user1314836

  I am planning to register a personal domain + hosting space to be less dependant on external companies. I would like to know if you could share some ideas of what I could do with my own domain. I have been thinking in some of them... Use my own e-mail (but Google Apps is no longer free...). Share my photos instead of using Dropbox. Receiving big files or many files through anonymous FTP. Occasional backups? (I don't know if my host would let me know use the hosting for personal storage). Any other ideas or comments on the above?

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• What makes Instagram so valuable? [closed]

  - by ????

  If as in the FAQ, that topics about business (computer industry) is allowed here, I'd like to find out why Instagram can be so valuable, that it is acquired for $1 billion dollars (USD). To put it simply, isn't it just a photo enhancement app (such as making a photo vintage look), plus sharing those photos on Facebook? That's because in contrast, PlayFish had superb Facebook games, and many of them, and are so much more sophisticated (such as Restaurant City and Pet Society). And PlayFish was merely acquired for $400 million. Some companies such as RockYou, had the number one app on Facebook, but wasn't even acquired for a low price like $200 million. And now just a photo filter app and sharing photos, and it is a business considered to be worth a billion dollars. Why is that?

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• Value of links on negative review pages

  - by Sam Healey

  A general assumption with SEO is more links = higher rankings. What I would like to know is does Google know what those links are referring to. I.e. if somebody gives a product a good review on their personal blog and links the review to another companies website (who are selling the product), would Google take consideration for the review/description link. Essentially would Google know that this link refers to a product. So if somebody is looking to buy a product, Google would know to include this page because the previous link said it sells products rather than just having information on products. Then to take this further, does Google know if a link is positive or negative. For example, If somebody creates a post saying, do not visit example.com, example.com is bad because of blah blah blah. Would Google know that the link is getting bad feedback and therefore would it have a negative affect on rankings, or would Google go oh its just another link and give it better rankings?

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• Do support sites like Stack Overflow upset the paid-support open source model?

  - by ajax81

  In order to stay relevant in the marketplace, I'm researching new business models for my software company. The open source model with paid support seems like a good fit for our product, but I have concerns about whether or not a paid support model is viable in an era where top-notch help is readily available for free on sites like those in the Stack Exchange network. Case in point -- I moved my employees to Ubuntu last year because I didn't want to pay for Win 7 licenses and new hardware (plus, the mono platform was highly attractive). My staff had no Linux experience, but were able to achieve relative competency in about 120 days with the help of AskUbuntu, Stack Overflow, and a few "For Dummies" books. We did employ an Ubuntu consultant for 7 days to provide training and support, but beyond that spent $0.00 on any kind of paid expertise. In regards to my due diligence, I ran a 3 month beta of the freemium-paid-support model with one of our smaller customers, and achieved mediocre results. I'd like to think its because our software is so stable and easy to use that the customer didn't need much paid support, but I suspect that they circumvented the terms of our SLA in the same manner that we did with the move to Ubuntu. Does anyone out there has any thoughts, advice, or experience relevant to the move I'm considering? What worked, what didn't, etc?

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• How to Create Shortcuts to Programs on USB Drives

  - by Lori Kaufman

  If you work on multiple computers, you probably use a USB drive to take your favorite portable software with you. Portable application suites like PortableApps.com, CodySafe, or Lupo PenSuite, each have a main menu providing access to the programs installed into the suite. However, there may be reasons why you need to create shortcuts to programs on your USB drive. You may be using a program that does not integrate into the suite’s main menu. Or, you may not be using an official portable application suite at all, and just placing portable software in a folder on your USB drive. Maybe you prefer using shortcuts on the root of the USB drive, like a portable desktop. Whatever your reason, you can’t just create a shortcut to an application on the USB drive and place it in the root of the drive. The shortcut will always refer to the full path of the application, including the drive letter. Different computers assign different drive letters to USB flash drives, so you would have to change the drive letter for your shortcuts when it changes. You can assign a static drive letter to the USB drive. However, if you would rather not do that, there is a way to create shortcuts to programs on a USB drive using relative paths. Because Windows does not support relative paths in shortcuts, we will show you how to create a “shortcut” on the root of a USB drive by creating a batch (.bat) file and converting it to an executable (.exe) file. What’s the Difference Between Sleep and Hibernate in Windows? Screenshot Tour: XBMC 11 Eden Rocks Improved iOS Support, AirPlay, and Even a Custom XBMC OS How To Be Your Own Personal Clone Army (With a Little Photoshop)

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