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• Ubuntu 12.04 Syntek in-built webcam not detected

  - by Farotz

  I have installed Ubuntu 12.04 and my inbuilt camera is not detected. I have tried with Cheese and GUVCView, but neither detects the webcam. I have also tried the solution proposed above using the Terminal, with no results. This is my lsusb output: farotz@farotz-EasyNote-BU45:~$ lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 003: ID 174f:a821 Syntek Web Cam - Packard Bell BU45, PB Easynote MX66-208W Bus 002 Device 002: ID 1d57:0008 Bus 003 Device 002: ID 08ff:1600 AuthenTec, Inc. AES1600 Bus 001 Device 007: ID 12d1:142d Huawei Technologies Co., Ltd. farotz@farotz-EasyNote-BU45:~$ Any suggestions? Thank you.

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• Still no detected structured data in Google Webmaster Tools [on hold]

  - by user6211

  Can you give me some suggestions what's wrong with my structured data? Google still cannot read it. It looks like this: <div class="identity"> <div itemscope itemtype="http://schema.org/LocalBusiness"> <a itemprop="url" href="http://MYDOMAIN.co.uk/"><div itemprop="name"><strong>MY_COMPANY</strong></div></a> <div itemprop="address" itemscope itemtype="http://schema.org/PostalAddress"> <span itemprop="streetAddress">MY_ADDRESS</span>, <span itemprop="addressLocality">London</span>, <span itemprop="postalCode">SE5 MY_XYZ</span>, <span itemprop="addressCountry">UK</span> </div> </div> </div>

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• I have a large number of links on every page, for design reasons I want to keep it but is it hurting my SEO

  - by Callum Rexter

  The site is http://www.centralsaddlery.co.uk We have other issues which we are tackling in terms of content etc but the question I have is: "Is my main navigation hurting us in SEO?" Its a lot of links and it's on a lot of pages. If so - what is a way to get google to ignore links below the top level. I had thought google would see that the links are hidden by default and only shown on hover but I can't verify this at all. We absolutely want to keep the menu, our customers like it and so do we - we think it is pretty usable as we have a lot of products to look at. Any advice is appreciated (and any tips for any part of the SEO are welcome too)

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• Should I tell a departed coworker about their "sev 1" defect?

  - by noahz

  I had a co-worker leave our company recently. Before leaving, he coded a component that had a severe memory leak that caused a production outage (OutOfMemoryError in Java). The problem was essentially a HashMap that grew and never removed entries, and the solution was to replace the HashMap with a cache implementation. From a professional standpoint, I feel that I should let him know about the defect so he can learn from the error. On the other hand, once people leave a company, they often don't want to hear about legacy projects that they have left behind for bigger and better things. What is the general protocol for this sort of situation?

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• Configuring MySQL Cluster Data Nodes

  - by Mat Keep

  0 0 1 692 3948 Homework 32 9 4631 14.0 Normal 0 false false false EN-US JA X-NONE /* 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-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:Cambria; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin; mso-ansi-language:EN-US;} In my previous blog post, I discussed the enhanced performance and scalability delivered by extensions to the multi-threaded data nodes in MySQL Cluster 7.2. In this post, I’ll share best practices on the configuration of data nodes to achieve optimum performance on the latest generations of multi-core, multi-thread CPU designs. Configuring the Data Nodes The configuration of data node threads can be managed in two ways via the config.ini file: - Simply set MaxNoOfExecutionThreads to the appropriate number of threads to be run in the data node, based on the number of threads presented by the processors used in the host or VM. - Use the new ThreadConfig variable that enables users to configure both the number of each thread type to use and also which CPUs to bind them too. The flexible configuration afforded by the multi-threaded data node enhancements means that it is possible to optimise data nodes to use anything from a single CPU/thread up to a 48 CPU/thread server. Co-locating the MySQL Server with a single data node can fully utilize servers with 64 – 80 CPU/threads. It is also possible to co-locate multiple data nodes per server, but this is now only required for very large servers with 4+ CPU sockets dense multi-core processors. 24 Threads and Beyond! An example of how to make best use of a 24 CPU/thread server box is to configure the following: - 8 ldm threads - 4 tc threads - 3 recv threads - 3 send threads - 1 rep thread for asynchronous replication. Each of those threads should be bound to a CPU. It is possible to bind the main thread (schema management domain) and the IO threads to the same CPU in most installations. In the configuration above, we have bound threads to 20 different CPUs. We should also protect these 20 CPUs from interrupts by using the IRQBALANCE_BANNED_CPUS configuration variable in /etc/sysconfig/irqbalance and setting it to 0x0FFFFF. The reason for doing this is that MySQL Cluster generates a lot of interrupt and OS kernel processing, and so it is recommended to separate activity across CPUs to ensure conflicts with the MySQL Cluster threads are eliminated. When booting a Linux kernel it is also possible to provide an option isolcpus=0-19 in grub.conf. The result is that the Linux scheduler won't use these CPUs for any task. Only by using CPU affinity syscalls can a process be made to run on those CPUs. By using this approach, together with binding MySQL Cluster threads to specific CPUs and banning CPUs IRQ processing on these tasks, a very stable performance environment is created for a MySQL Cluster data node. On a 32 CPU/Thread server: - Increase the number of ldm threads to 12 - Increase tc threads to 6 - Provide 2 more CPUs for the OS and interrupts. - The number of send and receive threads should, in most cases, still be sufficient. On a 40 CPU/Thread server, increase ldm threads to 16, tc threads to 8 and increment send and receive threads to 4. On a 48 CPU/Thread server it is possible to optimize further by using: - 12 tc threads - 2 more CPUs for the OS and interrupts - Avoid using IO threads and main thread on same CPU - Add 1 more receive thread. Summary As both this and the previous post seek to demonstrate, the multi-threaded data node extensions not only serve to increase performance of MySQL Cluster, they also enable users to achieve significantly improved levels of utilization from current and future generations of massively multi-core, multi-thread processor designs. A big thanks to Mikael Ronstrom, Senior MySQL Architect at Oracle, for his work in developing these enhancements and best practices. You can download MySQL Cluster 7.2 today and try out all of these enhancements. The Getting Started guides are an invaluable aid to quickly building a Proof of Concept Don’t forget to check out the MySQL Cluster 7.2 New Features whitepaper to discover everything that is new in the latest GA release

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• Samsung bada dev day 3 June, Amsterdam

  Next Thursday there’s a bada developer day in Amsterdam, co-sponsored by Vodafone, at which I’ll speak. Entrance is free, although registration is required so that the organisers know how many people will be coming.I’m intererested in bada on general principles; it’s going to be a major new smartphone platform, and I’d like to know what it can and cannot do. Besides I’m curious about the Samsung WebKit that runs on it. I briefly guerilla-tested it in Barcelona, but would like to have a more formal...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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• Getting Started Quickly

  - by Owen Allen

  If you're interested in using Ops Center, you'll want to get up and running as quickly and effectively as possible. One way to do this would be to work your way through the documentation library - use the Linux or Oracle Solaris install guides, then go through the Feature Guide and Admin Guide to start using the software. They're thorough, but they're a lot of reading. But if you're looking to install a simple deployment quickly, and you don't want to do all of the configuration work right off the bat, you can use the Quick Start Guide. It's a streamlined procedure that runs you through installing a single Enterprise Controller and co-located Proxy Controller, and then shows you how to discover assets quickly. Once you've discovered these assets, it describes how to use the analytics feature to view their performance, and use monitoring to keep track of their statuses and health. You'll have to do some additional configuration to use features like OS provisioning, OS updates, and virtualization, but the Quick Start guide gives you an overview of how to install and start using features quickly.

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• How to deploy ASP.NET application with MS SQL server database

  - by Maddy

  I want to deploy my website with MS SQL server database. It's my first time and I have never done it before. What I have come to know from my googling is that I must have a domain(.com/.net/.co) and a host(for my web pages .aspx & .cs(confusion here if I can also deploy my database)). Now, I am not getting to where I have to deploy my database. If I also have to buy a seperate SQL Server database or a host consisting of every thing (means I can deploy both my ASP.NET application & database as well).

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• Concurrency Utilities for Java EE 6: JSR 236 Rebooting

  - by arungupta

  JSR 166 added support for concurrency utilities in the Java platform. The JSR 236's, a.k.a Concurrency Utilities for Java EE, goal was to extend that support to the Java EE platform by adding asynchronous abilities to different application components. The EG was however stagnant since Dec 2003. Its coming back to life with the co-spec lead Anthony Lai's message to the JSR 236 EG (archived here). The JSR will be operating under JCP 2.8's transparency rules and can be tracked at concurrency-spec.java.net. All the mailing lists are archived here. The final release is expected in Q1 2013 and the APIs will live in the javax.enterprise.concurrent package. Please submit your nomination if you would like to join this EG.

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• 2D Physics in a networked game (iOS)?

  - by Pedro

  I am researching the possibilities for a new iOS game. It's going to be a run-n-gun type platformer, and I'm looking into the possibility of co-op multiplayer. The game itself wouldn't be very physics intensive, there will most likely be 20-30 physics bodies at any given time. For the multiplayer, I think I would have one player "hosting" and up to 3 other connecting via the Internet. Here's my first question, are there any 2D physics engines that work over a network(preferably open source)? My second question, Does anyone have any thoughts on using a non-networked engine (like Box2D or Chipmunk) and adding the networking component? Since there would not be very much information sent, do you think it would cause a lot of lag?

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• Can't get my Blue Snowflake Mic to work

  - by TheNerdAL

  It was working fine when I bought it. I think it was an update or something that made it stop. I don't think the Mic is broken, at least I hope not. Can anyone help? Please? I need it before tommorrow. I'm working on a video. I get this when I check the terminal for what USB devices are connected: Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 004: ID 2525:8912 Bus 003 Device 003: ID 058f:9360 Alcor Micro Corp. 8-in-1 Media Card Reader Bus 003 Device 002: ID 056a:00d2 Wacom Co., Ltd Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Thanks.

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• Tampa Code Camp - October 13, 2012

  - by Nikita Polyakov

  I am pleased to announce Tampa Code Camp 2012 is being co-hosted with Bar Camp Tampa Bay this year in Tampa, FL on October 13th 2012 at USF Main Campus beautiful Business buildings.“CodeCamp is a FREE one-day meeting forum that allows software developers to share their knowledge and experience with Microsoft products and services. It’s similar to Tech-Ed, but community-driven by a group of dedicated volunteers and speakers while financially supported through generous sponsors and local businesses.”As one of the organizers, I will not be speaking, but instead helping MC the Component Vendor ShowDown - a special track dedicated to battling out the best components organized by focus application rather then firm. Check out the ShowDown track in the Agenda.WHEN: Saturday, October 13, 2012, 730AM – 545 PMWHERE: USF - Tampa Campus, 4202 East Fowler Avenue, Tampa, FL 33620REGISTRATION: http://www.tampacodecamp.comCOST: FREE

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• Best practices for Persona development

  - by user12277104

  Over the years, I have created a lot of Personas, I've co-authored a new method for creating them, and I've given talks about best practices for creating your own, so when I saw a call for participation in the OpenPersonas project, I was intrigued. While Jeremy and Steve were calling for persona content, that wasn't something I could contribute -- most of the personas I've created have been proprietary and specific to particular domains of my employers. However, I felt like there were a few things I could contribute: a process, a list of interview questions, and what information good personas should contain. The first item, my process for creating data-driven personas, I've posted as a list of best practices. My next post will be the list of 15 interview questions I use to guide the conversations with people whose data will become the personas. The last thing I'll share is a list of items that need to be part of any good persona artifact -- and if I have time, I'll mock them up in a template or two. 

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• Wifi not working after upgrading from 12.04 to 13.10

  - by Gary

  I went through loads of posts looking for an answer to my WiFi problems but can't seem to fix it. I had Ubuntu 12.04 installed and WiFi worked fine with no issues whatsoever but then I upgraded to 13.10 it has stopped working. It shows the available networks but I can't connect to any of them it just does that animation thing then stops working. Update Heres the link to pastebin: http://pastebin.com/GyMMEYhv And heres what wifi card i have and driver lspci: 01:00.2 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0a) Subsystem: Hewlett-Packard Company Device [103c:18de] Kernel driver in use: r8169 02:00.0 Network controller [0280]: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe [1814:3290] Subsystem: Hewlett-Packard Company Device [103c:18ec] Kernel driver in use: rt2800pci

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• I'm the .1x programmer at my company. How can I best contribute?

  - by invaliduser

  I work at a newly-minted startup of five people. We have a Ph. D in machine learning, a former member of the RSpec core team, and the guy who compiles the Git binary for OS X. That's just the employees; the founder has a Ph. D and was CTO for a multi-billion-dollar corporation before leaving to start a (successful) startup, and has now left that to start this one. We also might get a guy with a Ph. D in math. Aaaaaaaaand then there's me, college-dropout intern. I think I'm pretty smart and I'm reading non-stop, but the delta of experience, skill, and knowledge between me and my co-workers is just breathtaking. So put yourself in their shoes: you've got a bright young intern who has a lot to learn but is at least energetic. What would be annoying? What use would you hope to get out of him in the here and now? What would be pleasantly surprising if it happened?

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• Updating and organizing class diagrams in a growing C++ project

  - by vanna

  I am working on a C++ project that is getting bigger and bigger. I do a lot of UML so it is not really hard to explain my work to co-workers. Lately though I implemented a lot of new features and I gave up updating by hand my Dia UML diagrams. I once used the class diagram of Visual Studio, which is my IDE but didn't get clear results. I need to show my work on a regular basis and I would like to be as clear as possible. Is there any tool that could generate a sort of organized map of my work (namespaces, classes, interactions, etc.) ?

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• I have a library and several small programs that use it: how should I structure my git repositories?

  - by Dan

  I have some code that uses a library that I and others frequently modify (usually only by adding functions and methods). We each keep a local fork of the library for our own use. I also have a lot of small "driver" programs (~100 lines) that use the library and are used exclusively by me. Currently, I have both the driver programs and the library in the same repository, because I frequently make changes to both that are logically connected (adding a function to the library and then calling it). I'd like to merge my fork of the library with my co-workers' forks, but I don't want the driver programs to be part of the merged library. What's the best way to organize the git repositories for a large, shared library that needs to be merged frequently and a number of small programs that have changes that are connected to changes in the library?

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• Can't access my partitions

  - by VanceAnce

  I have asked this question some time before as well - but here is the main problem out: MBR was defect, I used Boot-Repair that I could access my Win-xp partition With windows ext3 readers I can't access Under live-cds i can't access to my Ubuntu partition (not able to mount them) I didn't format them accidentialy or earsed them nor overwrote them. Just a Ubuntu update was running last day and a win. update Can't boot in Ubuntu after windows upgrade and here: http://vanceance.blogspot.co.at/2012/11/testdisk-on-my-pc.html as it seems if an post is on site 3 and had been answered with wathever if it helped or not - i "refresh" it with this more exactly post options i cant use: -format the entire hdd or one of the partitions thx if you have new infos for me

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• Which is more effective in coding? Reducing line of code and execution of code?

  - by Ayyappan.Anbalagan

  I have this doubt many years. I am wring some code to achieve some functionality. For example I am writing 20 lines of code to achieve the functionality and my co worker writing the code for the same functionality with just 5 lines. Since he used some looping statement to achieve that, but that code will execute around 30 to 50 times. So which is best way of coding? As per my knowledge I always try to reduce coding length as much I can.

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• deny-uncovered-http-methods in Servlet 3.1

  - by reza_rahman

  Servlet 3.1 is a relatively minor release included in Java EE 7. However, the Java EE foundational API still contains some very important changes. One such set of features are the security enhancements done in Servlet 3.1 such as the new deny-uncovered-http-methods option. Servlet 3.1 co-spec lead Shing Wai Chan outlines the use case for the feature and shows you how to use it in a recent code example driven post. You can also check out the official specification yourself or try things out with the newly released Java EE 7 SDK.

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• Google pourrait séparer les résultats homonymes dans des onglets en rachetant des brevets de son défunt concurrent Cuil

  Le moteur de recherche de Google pourrait séparer les résultats homonymes dans des onglets Google rachète des brevets de son défunt concurrent Cuil Comme la base de données de l'USPTO l'atteste, Google a acquis les brevets d'application d'un de ses rivaux : Cuil, un moteur de recherche surnommé un temps « tueur potentiel de Google ». Le 28 juillet 2008, ce moteur était né avec beaucoup d'espoirs. Ces espoirs étaient alimentés en partie par le fait que ses fondateurs étaient des anciens de Google (Anna Patterson et Russel Power), un co-fondateur d'IBM (Tom Costello) et le fondateur d'Altavista (Louis Monier). [IMG]http://x-plode.developpez.com/images/webmarketing/google-cuil...

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• Logitech Microphone (AK5370) inaudible volume

  - by Iain Lane

  I bought this microphone from Amazon last week. It's detected just fine in 12.10. I can see it in the sound preferences. The problem is that the volume is so low as to be inaudible, even when turned up to maximum in this dialog. It is working, as I can see that the meter responds to noise, but it's just too low. alsamixer's control is the same, so that doesn't help. I tried messing around in pulseaudio too, but to no avail. In lsusb it's Bus 002 Device 004: ID 0556:0001 Asahi Kasei Microsystems Co., Ltd AK5370 I/F A/D Converter.

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• Links in my site have been hacked

  - by Funky

  In my site I prefix the images and links with the domain of the site for better SEO using the code below: public static string GetHTTPHost() { string host = ""; if (HttpContext.Current.Request["HTTP_HOST"] != null) host = HttpContext.Current.Request["HTTP_HOST"]; if (host == "site.co.uk" || host == "site.com") { return "http://www." + host; } return "http://"+ host; } This works great, but for some reason, lots of links have now changed to http://www.baidu.com/... There is no sign of this in any of the code or project, the files on the server also have a change date when i last did the publish at 11 yesterday, so all the files on there look fine. I am using ASP.net and Umbraco 4.7.2 Does anyone have any ideas? thanks

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• Ways to find a tutor for 1st year University student

  - by Craig H

  I tried searching here (and SO) without much luck. I also stared at the yellow box to the right and think this question is relatively on topic and can be answered. A co-worker asked me if I had any suggestions for how to find a tutor for his son. In this specific case, it was for Eclipse and Java, but it got me thinking about good general strategies one could use in situations like this. He preferred a local 1-to-1, but I suppose online might be a reasonable (or perhaps more likely) alternative. Any suggested strategies?

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• Oracle revisite la gouvernance d'OpenJDK avec un projet définissant un règlement et un nouveau conseil d'administration

  Oracle revisite la gouvernance d'OpenJDK Avec un projet définissant un règlement et un nouveau conseil d'administration Oracle vient de publier le brouillon du nouveau règlement interne du groupe de travail de l'OpenJDK, l'implémentation open-source de l'édition standard du langage Java. Le but affiché de ce nouveau document est d'aider "les membres [de la communauté] à agir d'une manière ouverte, transparente et méritocratique", tout en encourageant la croissance et la prospérité à long terme de la communauté. Ce brouillon avait été annoncé et co-rédigé par Mark Reinhold, architecte en chef de la plateforme Java à Oracle. Reinhold affirme ...

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