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  • Dell N7110 i7 overheats and doesn't boot when anything is plugged into the USB3 port

    - by Kostyantyn
    When i plug in any devices (mouse, keyboard) into usb 3.0 system dell n7110 overheats and fan goes crazy with terrible noise. So i'm using 1 usb 2.0 slot now with a usb hub. It doesn't solve the problem completely but system stays at a low fan rate for a longer time. I've tried to lower CPU frequency, but in my case (DELL INSPIRON N7110 i7 on Linux 3.0.0-14-generic #23-Ubuntu SMP Mon Nov 21 20:28:43 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux) CPU was pretty cool (51 C) and still the same horrible fan noise. Looks like there is no such problems with ubuntu 10.04 (but there're some other problems). Ubuntu even doesn't boot if anything is plugged into usb 3.0

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  • What are the cons of using DrawableGameComponent for every instance of a game object?

    - by Kensai
    I've read in many places that DrawableGameComponents should be saved for things like "levels" or some kind of managers instead of using them, for example, for characters or tiles (Like this guy says here). But I don't understand why this is so. I read this post and it made a lot of sense to me, but these are the minority. I usually wouldn't pay too much attention to things like these, but in this case I would like to know why the apparent majority believes this is not the way to go. Maybe I'm missing something.

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  • Some mail details about Orange Mauritius

    Being an internet service provider is not easy after all for a lot of companies. Luckily, there are quite some good international operators in this world. For example Orange Mauritius aka Mauritius Telecom aka Wanadoo(?) aka MyT here in Mauritius. The local circumstances give them a quasi-monopol position on fixed lines for telephony and therefore cable-based DSL internet connectivity. So far, not bad but as usual... the details. Just for the records, I am only using the services of Orange for mobile but friends and customers are bound, eh stuck, with other services of Orange Mauritius. And usually, being the IT guy, they get in touch with me to complain about problems or to ask questions on either their ADSL / MyT connection, mail services or whatever. Most of those issues are user-related and easily to solve by tweaking the configuration of their computer a little bit but sometimes it's getting weird. Using Orange ADSL... somewhere else Now, let's imagine we are an Orange ADSL customer for ages and we are using their mail services with our very own mail address like "[email protected]". We configured our mail client like Thunderbird, Outlook Express, Outlook or Windows Mail as publicly described, and we are able to receive and send emails like a champion. No problems at all, the world is green. Did I mention that we have a laptop? Ok, let's take our movable piece of information technology and visit a friend here on the island. Not surprising, he is also customer of Orange, so we can read and answer emails. But Orange is not the online internet service provider and one day, we happen to hang out with someone that uses Emtel via WiMAX or UMTS.. And the fun starts... We can still receive and read emails from our Orange mail account and the IT world is still bright but try to send mails to someone outside the domain "@intnet.mu" or "@orange.mu". Your mail client will deny sending mail with SMTP message 5.1.0 "blah not allowed". First guess, there is problem with the mail client, maybe magically the configuration changed over-night. But no it is still working at home... So, there is for sure a problem with the guy's internet connection. At least, it is his fault not to have Orange internet services, so it can not work properly... The Orange Mail FAQ After some more frustation we finally checkout the Orange Mail FAQ to see whether this (obviously?) common problem has been described already. Sorry, but those FAQ entries are even more confusing as it is not really clear how to handle this scenario. Best of all is that most of the entries are still refering to use servers of the domain "intnet.mu". I mean Orange will disable those systems in favour of the domain "orange.mu" in the near future and does not amend their FAQs. Come on, guys! Ok, settings for POP3 are there. Hm, what about the secure version POP3S? No signs at all... Even changing your mail client to use password encryption with STARTTLS is not allowed at all. Use "bow.intnet.mu" for incoming mail... Ahhh, pretty obvious host name. I mean, at least something like pop.intnet.mu or pop3.intnet.mu would have been more accurate. Funny of all, the hostname "pop.orange.mu" is accessible to receive your mail account. Alright, checking SMTP options for authentication or other like POP-before-SMTP or whatever well-known and established mechanism to send emails are described. I guess that spotting a whale or shark in Mauritian waters would be easier. Trial and error on SMTP settings reveal that neither STARTTLS or any other connection / password encryption is available. Using SSL/TLS on SMTP only reveals that there is no service answering your request. Calling customer service So, we have to bite into the bitter apple and get in touch with Orange customer service and complain/explain them our case and ask for advice. After some hiccups, we finally manage to get hold of someone competent in mail services and we receive the golden spoon of mail configuration made by Orange Mauritius: SMTP hostname: smtpauth.intnet.mu And the world of IT is surprisingly green again. Customer satisfaction? Dear Orange Mauritius, what's the problem with this information? Are you scared of mail spammer? Why isn't there any case in your FAQs? Ok, talking about your FAQs - simply said: they are badly outdated! Configure your mail client to use server name based in the domain intnet.mu but specify your account username with orange.mu as domain part. Although, that there are servers available on the domain orange.mu after all. So, why don't you provide current information like this: POP3 server name: pop.orange.muSMTP server name: smtp.orange.muSMTP authenticated: smtpauth.orange.mu It's not difficult, is it? In my humble opinion not really and you would provide clean, consistent and up-to-date information for your customers. This would produce less frustation and so less traffic on your customer service lines. Which after all, would improve the total user experience and satisfaction level on both sides. Without knowing these facts. Now, imagine you would take your laptop abroad and have to use other internet service providers to be able to be online... Calling your customer service would be unnecessary expensive!

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  • Is there any reason to use "container" classes?

    - by Michael
    I realize the term "container" is misleading in this context - if anyone can think of a better term please edit it in. In legacy code I occasionally see classes that are nothing but wrappers for data. something like: class Bottle { int height; int diameter; Cap capType; getters/setters, maybe a constructor } My understanding of OO is that classes are structures for data and the methods of operating on that data. This seems to preclude objects of this type. To me they are nothing more than structs and kind of defeat the purpose of OO. I don't think it's necessarily evil, though it may be a code smell. Is there a case where such objects would be necessary? If this is used often, does it make the design suspect?

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  • How to manage an issue tracker's backlog

    - by Josh Kelley
    We've been dutifully using Trac for several years now, and our "active tickets" list has grown to almost 200 items. These include bugs that are too low priority and too complicated to fix for now, feature requests that have been deferred, issues that have never really generated complaints but everyone agrees ought to be fixed someday, planned code refactorings and other design infelicities that we don't want to lose track of, etc. As a result, with almost 200 of these issues, the list is almost overwhelming; it's no longer useful as a source of what needs to be worked on right now. What's the best way to keep track of issues of this sort? Part of the problem is that some of these issues are such a low priority that they may never get done. I hate to lose track of these items (similar to not wanting to throw something out of my house in case I might need it someday); do I need to throw them out regardless (by marking them as wontfix) and assume I can find them in the future if I ever do need them?

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  • Significance and role of Node.js in Web development

    - by Pankaj Upadhyay
    I have read that Node.js is a server-side javascript enviroment. This has put few thought and tinkers in my mind. Can we develop a complete data-drivent web application utilizing just JavaScript (along with node.js), HTML5 and CSS? Do we still need to use some server-side scripting language (e.g. C#, PHP)? In case we still need to use other scripting languages, what is node.js worth for, or useful? NOTE: Pardon with my knowledge about node.js.

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  • Are there any risk if your DNS's SOA or admin contact are using the same domain as the DNS

    - by Yoga
    For example, Google.com [1] The SOA email is : dns-admin.google.com The contact is: Administrative Contact: DNS Admin Google Inc. dns-admin.google.com As you can see, both are using google.com, I am thinking it is safe to use the same domain, i.e. consider the case you lost control of the domain, you can receive email also. (Of course Google is a public company so the chance is low, but might occur for smaller company that their domain might be stolen..) So, do you recommend use your the same domain as the contact or others free services such as gmail? [1] http://whois.domaintools.com/google.com

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  • How to give credit about an image I display in my website?

    - by Erel Segal Halevi
    I looked for an image for decorating the main page of my website. I found a great image in Wikipedia. The license allows me to use the image, but, I must give credit to the creators (which includes their name and a link to their Flickr page). My question is: what is the best way to give credit about the image, such that the page design will not be harmed? In case it matters: my page is very simple - it contains only the image (floated right), a heading, a small amount of text, and some links. But, my question is more general and probably applies to many different websites.

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  • Nginx and Google Appengine Reverse Proxy Security

    - by jmq
    The scenario is that I have a Google compute node running Nginx as a reverse proxy to the google appengine. The appengine is used to service REST calls from an single page application (SPA). HTTPS is used to the Nginx front end from the Internet. Do I also need to make the traffic from the Nginx reverse proxy to the appengine secure by turning on HTTPS on the appengine? I would like to avoid the overhead of HTTPS between the proxy and the backend. My thinking was that once the traffic has arrived at Nginx encrypted, decrypted in Nginx, and then sent via the reverse proxy inside of Google's infrastructure it would be secure. Is it safe in this case to not use HTTPS?

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  • Adding a comma to a resource name in Microsoft Project

    - by John Paul Cook
    Microsoft Project does not allow a comma to be added to a resource name. In healthcare, the norm is to refer to people using the pattern of Name, Title which in my case is John Cook, RN. Not all commas are equal. By substituting a different comma for the one Project doesn’t like, it’s possible to add a comma to a resource name. Figure 1. Error message after trying to add a comma to a resource name in Microsoft Project 2013. The error message refers to “the list separator character” that is commonly...(read more)

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  • VirtualBox Share permissions

    - by Eduardo Oliveira
    at the moment i'm running ubuntu server 12.04 on top of a virtual box running as service in M$ w7x64, I've configured the shares on fstab with E /media/E vboxsf auto,rw,uid=1000,gid=1000 0 0 the mount is ok drwxrwxrwx 1 knoker knoker 16384 Sep 1 20:02 E but i cant change the permissions inside of /media/E ,chmod runs but doesn't do nothing. on a specific case /media/E/Docs/Downloads i have dr-xr-xr-x 1 knoker knoker 163840 Sep 1 19:30 Downloads and since i cant seem to be able to change from linux i tried it on the windows, and all users listed have full control... Any ideas on what is happening? Best Regards, Knoker

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  • Pros and cons of using Grails compared to pure Groovy

    - by shabunc
    Say, you (by you I mean an abstract guy, any guy in your team) have experience of writing and building java web apps, know about filters, servlet mappings and so on, and so on. Also, let us assume you know pretty well any sql db, no matter which one exactly, whether it mysql, oracle or psql. At last, let pretend we know Groovy and its standard libraries, for example all that JsonBuilder and XmlSlurper stuff, so we don't need grails converters. The question is - what are benefits of using grails in this case. I'm not trying to start flame war, I'm just asking to compare - what are ups and downs of grails development compared to pure groovy one. For instance, off the top of my head I can name two pluses - automatic DB mapping and custom gsp tags. But when I want to write a modest app which provides small API for handling some well defined set of data, I'm totally OK with groovy's awesome SQL support. As for gsp, we does not use it at all, so we are not interested in custom tags as well.

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  • What is "umask" and how does it work?

    - by Lekensteyn
    I believe that umask is something that controls file permissions, but do not fully understand it. After running umask 0644 in a terminal, I cannot read the files I create with the command-line text editor nano. I noticed that the permissions of that file are set to 0022 instead of the default 0755. How does umask work? I thought I could just remove the each digit in the umask from 0777, 7 - 6 = 1 and 7 - 4 = 3, so I expect the permissions to be 0133, but apparently, this is not the case. What is umask exactly? Explain it to me like I was a "Linux noob" How do I calculate with umask? What are use cases for umask?

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  • How to commit a file conversion?

    - by l0b0
    Say you've committed a file of type foo in your favorite vcs: $ vcs add data.foo $ vcs commit -m "My data" After publishing you realize there's a better data format bar. To convert you can use one of these solutions: $ vcs mv data.foo data.bar $ vcs commit -m "Preparing to use format bar" $ foo2bar --output data.bar data.bar $ vcs commit -m "Actual foo to bar conversion" or $ foo2bar --output data.foo data.foo $ vcs commit -m "Converted data to format bar" $ vcs mv data.foo data.bar $ vcs commit -m "Renamed to fit data type" or $ foo2bar --output data.bar data.foo $ vcs rm data.foo $ vcs add data.bar $ vcs commit -m "Converted data to format bar" In the first two cases the conversion is not an atomic operation and the file extension is "lying" in the first commit. In the last case the conversion will not be detected as a move operation, so as far as I can tell it'll be difficult to trace the file history across the commit. Although I'd instinctively prefer the last solution, I can't help thinking that tracing history should be given very high priority in version control. What is the best thing to do here?

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  • Is it safe to block redirected (but still linked) URLs with robots.txt?

    - by Edgar Quintero
    I have a website that has all URLs optimized and 301 redirected from nasty URLs to clean ones. However, everywhere throughout the site the unclean URLs are linked in menus, content, products, etc. Google currently has all clean URLs indexed, along with a few unclean URLs too. So the site still has linked everywhere the old URLs (ideally this wouldn't be the case but this is how it is ATM). I would like to block the unclean URLs with robots.txt. The question: if I block these unclean URLs with the robots.txt, when the entire website is linked with them (but they all redirect to the clean version), will this affect the indexing status at all?

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  • List of bounding boxes?

    - by Christian Frantz
    When I create a bounding box for each object in my chunk, would it be better to store them in a list? List<BoundingBox> cubeBoundingBox Or can I just use a single variable? BoundingBox cubeBoundingBox The bounding boxes will be used for all types of things so they will be moving around. In any case, I'd be adding it to a method that gets called 2500+ times for each chunk, so either I have a giant list of them or 2500+ individual boxes. Is there any advantage to using one or the other?

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  • Difference between a pseudo code and algorithm?

    - by Vamsi Emani
    Technically, Is there a difference between these two words or can we use them interchangeably? Both of them more or less describe the logical sequence of steps that follow in solving a problem. ain't it? SO why do we actually use two such words if they are meant to talk of the same? Or, In case if they aren't synonymous words, What is it that differentiates them? In what contexts are we supposed to use the word pseudo code vs the word algorithm? Thanks.

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  • SSH'ing to my machine attaches an existing screen session and detaching it ends my SSH session

    - by jsplaine
    ssh'ing to my Ubuntu machine automatically attaches an existing screen session and detaching ends my ssh session What I want is to be able to ssh to my Ubuntu machine without automatically attaching to the screen session on that machine. Or at least, I should be able to to detach from that screen session w/o ending my ssh session .. right? Doesn't seem to work. This so that I can attempt to run firefox --display <whichever one is being forwarded to my ssh session>, so that I can debug a website that the remote Ubuntu machine is running (via localhost). Best case scenario is that I could just remote-desktop to my Ubuntu machine. But it's not set up to allow remote-desktop, and I see no way to set it up remotely via shell/ssh. Also, it sounds like you need a static IP in order to remote desktop to an Ubuntu machine (so I keep reading).

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  • What are events SQL profiler eventclass numbers 65527,65528,65533,65534

    - by simonsabin
    I’ve been trying to use RML to process some files and couldn’t figure out why the numbers where all so much smaller than they should be. I then found a line in the RML output “Found [TRACE_STOP] event indicating the end of the trace files” This causes RML to stop processing further data, oh. In my case I had stopped the trace to add some error events because the client was experiencing errors. How do I get RML to process all the other data I wondered. This lead me to the eventclasses in the trace...(read more)

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  • Setup Convergence Address Book DisplayName Lookup

    - by user13332755
    At Convergence Address Book the default lookup for 'Display Name' is the LDAP attribute 'cn', which leads into confusion if you start to setup 'displayName' LDAP attributes for your users. LDAP User Entry with diaplyName attribute: This behavior can be controlled by the configuration file xlate-inetorgperson.xml. Change the default value of XPATH abperson\entry\displayname from 'cn' to 'displayName'. <convergence_deploy_location>/config/templates/ab/corp-dir/xlate-inetorgperson.xml Note: In case the user has no 'displayName' attribute in LDAP you might noticed '...' at the user entry, if found via 'mail' attribute.

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  • Nearly technical books that you enjoyed reading

    - by pablo
    I've seen questions about "What books you recommend" in several of the Stack Exchange verticals. Perhaps these two questions (a and b) are the most popular. But, I'd like to ask for recommendations of a different kind of books. I have read in the past "The Passionate Programmer" and I am now reading "Coders at Work". Both of them I would argue that are almost a biography (or biographies in the "Coders at work") or even a bit of "self-help" book (that is more the case of the "Passionate programmer"). And please don't get me wrong. I loved reading the first one, and I am loving reading the second one. There's a lot of value in it, mostly in "lessons of the trade" kind of way. So, here is what I'd like to know. What other books that you read that are similar to these ones in intent that you enjoyed? Why?

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  • Best practices for managing deployment of code from dev to production servers?

    - by crosenblum
    I am hoping to find an easy tool or method, that allow's managing our code deployment. Here are the features I hope this solution has: Either web-based or batch file, that given a list of files, will communicate to our production server, to backup those files in different folders, and zip them and put them in a backup code folder. Then it records the name, date/time, and purpose of the deployment. Then it sends the files to their proper spot on the production server. I don't want too complex an interface to doing the deployment's because then they might never use it. Or is what I am asking for too unrealistic? I just know that my self-discipline isn't perfect, and I'd rather have a tool I can rely on to do what needs to be done, then my own memory of what exact steps I have to take every time. How do you guys, make sure everything get's deployed correctly, and have easy rollback in case of any mistakes?

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  • Tuxedo 12c

    - by JuergenKress
    Tuxedo 12c (12.1.1) release is now generally available. This major release includes a significant number of new features, In the case you missed the launch webcast – you can watch it on.demand. Key new Features include: Cloud Ready Infrastructure Optimized for Exalogic with 8X throughput Management/Monitoring Integrated with Enterprise Manager 12c For Mainframe COBOL Applications running on CICS, IMS, Batch New Messaging Solution: Tuxedo Message Queue 12c Ease of Application Development Solaris Studio IDE for Developing Tuxedo Applications Extend C, C++, COBOL Applications with Java POJOs Accelerated Migration of Large-scale Mainframe Applications At our WebLogic Community Workspace you can get the latest ppt presentations for your customer meetings: Tux ART 12c Launch Webcast Hasan Ajay v18.pptx Tux12claunch-techwebcast_v11.pptx Tuxedo_on_exalogic_external_v3.pptx For the more Tuxedo information, please visit the WebLogic Community Workspace (WebLogic Community membership required). WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. BlogTwitterLinkedInMixForumWiki Technorati Tags: Tuxedo,Tuxedo 12c,WebLogic Community,Oracle,OPN,Jürgen Kress

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  • Virtual Developer Day: Oracle Fusion Development (July 10, Americas TZ)

    - by oracletechnet
    Help! We love bringing Virtual Developer Days to you, and we can't stop! Yes,  again we're proud and happy to offer you the newest flavor of Virtual Developer Day, this one to debut on July 10 in the Americas timezones: Oracle Fusion Development (register). In this workshop, we'll give you a deep dive into the ever-expanding world of Oracle ADF, including: Oracle ADF vs. Oracle APEX use cases Oracle ADF Mobile Development Oracle ADF + Eclipse Oracle WebCenter and Oracle ADF Development and more.... Looks like paradise for Oracle ADF junkies, or developers who aspire to become one. As is the case with all our Virtual Developer Days, Oracle PMs will be on call via live chat to answer your questions and provide support. Get on board!

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  • Thunar not showing thumbnails in Openbox

    - by RanRag
    I am using openbox 3.5 and my file manager of choice is Thunar but the problem I am facing is thunar not showing thumbnails for folder,video files etc. My Thunar: You can see in the above image that thunar is not showing thumbnails for folders, files but it is showing for pdf and similar is the case for video files no thumbnails. So, what is wrong here am I missing some basic thunar config files. ranrag@ranrag:~$ echo $DESKTOP_SESSION openbox I looked into some forums and they mentioned that there is some dependency of tumbler with thunar but I have latest version of tumbler installed on my system. PS: I already tried thunar preferences but still no luck.

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