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• No useful DVB-T card found

  - by Edu

  I am using Ubuntu 12.04 3.2.0-26 kernel and I just added a DVB-T card. I did install the media_build as in (http://linuxtv.org/wiki/index.php/How_to_Obtain,_Build_and_Install_V4L-DVB_Device_Drivers) After that the Restricted Drivers appeared on the screen and I installed the Firmware for DVB Cards. lsusb shows Bus 002 Device 005: ID 048d:9005 Integrated Technology Express, Inc. which is my card. lsmod shows these things regarding dvb dvb_usb_it913x 22173 0 dvb_usb 32369 1 dvb_usb_it913x dvb_core 110010 1 dvb_usb rc_core 26343 2 dvb_usb_it913x,dvb_usb Nevertheless there is no /dev/dvb on my linux and Kaffeine does not find the TV turner. Can anybody help me installing my TV Card? Thanks

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• Which programming language to go for in order to learn Object Oriented Programming? [closed]

  - by Maxood

  If someone has a good grasp in logic and procedural programming then which language to start with for learning OOP. Also why C++ is mostly taught at schools whereas Java is a pure Object Oriented language(also language for making android apps)? Why not Objective C is being taught for making apps on the iPhone? I am seeking for the right answer keeping in view of these 2 factors: Background of the learner in procedural programming Economic or job market market demand of programming languages Here is a list of 10 programming languages, i would like to seek justifications for: Java C++ Objective C Scala C# PHP Python Java Javascript (not sure if it is a fully featured OOP language) 10.Ruby (not sure if it is a fully featured OOP language)

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• What failure can kill a long running IRC client? [closed]

  - by Xeoncross

  I have an IRC bot that I built in PHP using sockets that attempts to run forever and (if disconnected) reconnects again. I have it listening to several channels. Apparently it's fairly resilient, because it can run for several days before the process ends and CRON has to start it up again. However, based on the fact the process ends I'm assuming there are other conditions I'm not accounting for that are causing problems. I have nothing in my error logs giving me a hint. In addition, sometimes the process will continue running - but I notice it's no longer present in any of the channels on the IRC server which makes me think it violated some part of the protocol. I have logic setup to handle: reply to PING's correctly reconnect on disconnect (and reconnect to channels) respond to private messages (so someone doesn't ban it) prevent memory leaks What other failure could be killing my long-running IRC client?

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• How difficult it is to develope Apps for Android and iOS? [on hold]

  - by netsetter

  I'm an experienced web developer in PHP, HTML, Javascript, MySQL, CSS and I'm running communities where people can register to be able to login and do some stuff. Now more and more people are requestion an App, I told them that I have no time and experience to develope Apps with many functions for such complex communities I am running, but then the users told me what would be enough for them and this sounds already simpler to me: An app to install on Android / iOS just to be able to login (+ autologin), so they appear always online in the community when they have internet connection. Then only 1 function like a counter of new activities regarding their user account (new messages, new replies, etc..), and if they click on the app then a browser window will open to read the info at the main website. So, what you think, it will be a big thing to develope such an app for the members? Is there a big diffrence between developing for Android and iOS? How to test the App if you don't have an Android or iOS phone in example?

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• What to do when blocked

  - by darkcminor

  I began to code different for 3 different projects, and it is alright, I have done it for 5 months, some php, some c, some matlab, but for some reason I got stucked... Usually when I pass through this I leave a while or go to sleep (and while sleeping I'm thinking on a solution to the problem I´m currently facing, the most important or urgent), and usually when I return (If I slept well) I have the solution and code comes easily, I don not know what you think, but I have like 10 consecutive days! I can't get out of the hole, I only see how time is going... What do you do when you lose the inspiration (I know leave it a while works), I mean, when all seems like it is not working, no matter what you do. Some friends say Go get some air, do sports, well I have tried... I know lot of you have passed this stage but How...

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• Redis connection issue

  - by mre

  We are currently experiencing a lot of Redis errors with the message Unable to connect: read error on connection, trying next server We run Redis on FreeBSD using PHP Redis and we have a hard time reproducing the error on Ubuntu so this might be a hint. There's a long-running issue on that topic on github. Basically we get a socket from the operating system with a call to connect(host, port, timeout) in phpredis, but when we do a select(db_index) afterwards, we get an exception. Could there be an issue with persistance? I assume that connect does nothing in the background and select tries to access the connection, which is actually closed. We don't run into a timeout. We tried tuning TIME_WAIT without success. Any other ideas on where the problem might come from? What is the best way to track the issue down? dtrace maybe? Update We are currently looking into our BGSAVE settings. Interestingly it takes half a second and more to create a fork for the process which regularly writes the data to disk (persistence) and maybe redis can't respond to connect() requests during that timespan.

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• Redirect from domain to other one

  - by Michal

  I deal with the following problem. I am customer of one domain reseller, which has fair prices, fine administration, and I have all my domains registered by it. Recently I've created a new webpage using a free web service (those sites where you can create a simple webpages with some template after few clicks). This new web page has default address in the following form: "pagename.provider.cz", but I want to use my own domain "pagename.cz". And that is the problem, because the provider would assign domain name to my presentation only if I registered mentioned domain by him. That wouldn't be a problem, but he is three times more expensive then my favorite one. So I am thinking about registering domain "pagename.cz" under my favorite registrator and then making 301 PHP redirect from it to "pagename.provider.cz". Shall this affect (negatively) my domain ranking? Are there any catches which I shoud care about?

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• C# on ubuntu 12.04

  - by Deus Deceit

  Is C# a good choice for ubuntu programming? E.g unity, or applications that will run on ubuntu? Am I doing good wanting to learn C# when I'm determined to stick with ubuntu and develop on it or for it? If not, can you give me reasons why? And which languages would be better than c# for ubuntu development? I already know c, c++, java(basics), php, mysql, python(basics). I like to learn new stuff, but stuff that worth my time. Does C# worth my time? If c# worth my time, here's what I have done and what I need: I installed all mono packages I could find on the ubuntu standard repositories. Now I want a good tutorial to get me started. I'm a complete noob with c# so a basic tutorial and how to compile run under ubuntu 12.04 would be great.

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• No desktop after installation of nvidia drivers

  - by hovmand

  I have a problem very similar to this guy: Desktop does not show when I installed nvidia drivers!. I have the same problem with the desktop not being present when I install choose the nvidia drivers from the software sources dialog. I've trie the answer mark as the solution, but this doesn't help me. Still get the same result / bug. I've also tried just to reconfigure it, like this guy says: http://ubuntuforums.org/showpost.php?p=12303179&postcount=4, but that didn't help me either. Then someone suggested that I should try Bumblebee. I followed the installation (https://wiki.ubuntu.com/Bumblebee#Installation) and after the reboot the resolution was still crappy, but this time the desktop did show up, but with bad graphics and I couldn't use optirun and it turned out that bumblebee couldn't start. I hope someone might know whats wrong or what I'm doing wrong. I have a Lenovo W520 with a nvidia Quadro FX 880M and I'm running ubuntu 12.10

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• How will this affect my SEO ranking?

  - by dunc

  I run a fishkeeping website based on a WordPress (PHP) CMS. I've recently put a fairly complex "filter" into place which searches my content for mentions of fish species profiles and turns them into an active link. For example, asdasd this is a test about abdomen to see if the caudal fin will work asdadasdas try again with abdomen and A. panduro and Apistogramma panduro ...becomes asdasd this is a test about abdomen to see if the caudal fin will work asdadasdas try again with abdomen and <a href="/?p=1703" class="link_species">A. panduro</a> and <a href="/?p=1703" class="link_species">Apistogramma panduro</a> On the rest of my website, the species are linked with pretty URLs such as /species/apistogramma-panduro/ but due to the way this filter works, the only information I can get access to is the idof the post. As such, I'm using /?p=1703 or whatever the ID is. What I'd like to know is: how much will this affect my SEO rating/ranking? Will it be detrimental if I don't rewrite the function? Thanks in advance,

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• Is it possible to work with a dedicated server in XNA?

  - by Jake

  Hi I want to release my XNA game to the XBOX platform, but I'm worried about the networking limitations. Basically, I want to have a dedicated (authoritative) server, but it sounds like that is not possible. Which is why I'm wondering about: Using port 80 web calls to php-driven database Using an xbox as a master-server (is that possible?) I like the sound of #1, because I could write my own application to run on the xbox, and I would assume other users could connect to it similar to the p2p architecture. Anyone able to expand on theory #2 above? or #1 as worst-case scenario?

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• OpenShift : la compilation des applications Java dans le Cloud désormais possible, Red Hat étend sa plateforme PaaS

  OpenShift : le développement et la compilation des applications Java dans le Cloud désormais possible Red Hat étend sa plateforme PaaS Red Hat vient d'étendre sa plateforme d'hébergement Cloud OpenShift, qui peut désormais être utilisée non seulement pour déployer des applications, mais également pour développer des projets en utilisant le Cloud. OpenShift est une solution PaaS (Platform as a Service) qui avait été lancée en mai dernier par par Red Hat pour les développeurs open source, afin de concurrencer Windows Azure et Google App Engine. La plateforme permet d'héberger et exécuter des applications en Java, Ruby, Python, PHP et Perl. OpenShift supporte les bas...

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• Google map in MediaWiki not showing

  - by user67656

  I have upgraded MediaWiki from 1.9.3 to 1.16.1 in a new server. However, the google map is not showing in the link. It's a blank in that page but in the old server with old version it is working fine. I am not a developer so I have no clue on this. Please let me know anybody have any idea on this. you can have a look on the below links http://new.realchicago.org/wiki/index.php/Archer_Heights The first link in which the google map is missing.

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• iptables rule on INPUT between 2 ethernet cards on the same host

  - by user1495181

  I have 2 eth cards on the same host. Both connected directly with LAN cable. I set eth0 with ip - 192.168.1.2 I set eth1 with ip - 192.168.1.1 I set this rule: iptables -A INPUT -p tcp -j NFQUEUE --queue-num 0 There are no other rules. (I ran iptables -X,-F) I send TCP syn packet ( with c++ program by using raw socket) from 192.168.1.2 to 192.168.1.1 In wireshark i see that the packet received on eth0, but the iptables rule (above) dosnt apply for this packet. when i sent the packet to remote host and apply this rule on the remote host than it work correct. So, i guess that this is due to the fact that both eth cards exists the same host. . I need to create iptables INPUT rule for local eth card (dest and src on the same machine ). I need it for simplify test. Did i guess the problem correct? is there a way to bypass this? Ps - connected them via switch didn't help. the rule wasn't applied. Run on Ubuntu. TCDUMP show the packet: 10:48:42.365002 IP 192.168.1.2.38550 > 192.168.1.1.34298: Flags [S], seq 0, win 5840, length 0 but logging of iptables like this, has nothing: iptables -A INPUT -p tcp -j LOG --log-prefix '*****************' iptables -A OUTPUT -p tcp -j LOG --log-prefix '#################'

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• Programming C++ using Qt4

  - by DaGhostman Dimitrov

  Hey guys I am really new to the C++ programing I have a little knowledge in C and a bit more in C++, but I do not know them enough to call myself a programmer. I am working as a PHP Web Developer I like being a crafts man and creating things so that is the reason to combine the programming with web development. I think that I could really benefit from both of them and so... My question is: Is it a good Idea to learn C++ with Qt or not? Can you give me pros and cons of both? Note: I do not want to become a programmer and give up the web development I want to combine them both.

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• Stimulsoft Company Announces Stimulsoft Reports version 2010.1 release.

  March 29, 2010 -- Stimulsoft Company, an outstanding and leading manufacturer of software for business intelligence (reporting solutions for .NET, ASP.NET, WPF, Flex, PHP), has released version 2010.1 of Stimulsoft Reports. Stimulsoft Reports products help developers from commercial and non-profit organizations all around the world to be more productive and deliver feature-rich and flexible reports on time.   Stimulsoft Reports is the product line which includes reporting tools for .NET, ASP.NET,...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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• Drive By Download Issue

  - by mprototype

  I'm getting a drive by download issue reported on www.cottonsandwichquiltshop.com/catalog/index.php?manufacturers_id=19&sort=2a&filterid=61 reported from safeweb.norton.com when I scan the root url. I have dug through the entire site architecture, and code base and removed a few files that were malicious, i upgraded the site's framework and fixed the security holes (mostly sql injection concerns)..... However this one threat still exists and I can't locate it for the life of me, or find any valid research or information on removing this type of threat at the server level, mostly just a bunch of anti-virus software wanting to sell you on their ability to manage it on the client end. PLEASE HELP Thanks.

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• How can I prevent people from looking at a listing of files in parent directory if I haven't uploaded index.html? [closed]

  - by LedZeppelin

  Possible Duplicate: How to restrict the download of all files in a folder? I haven't uploaded index.html or index.php to my root directory. How can I prevent people from looking at a listing of files in parent directory? http://oi56.tinypic.com/sc739e.jpg Also, is it possible for people to obtain a list of all the files in the root directory once I upload index.html? I'm currently using .htaccess and htusers to prompt someone to enter a username and password when they try to access any file in the root directory. This may sound like a weird request but would it be possible to have them come to the site (without an index.html) and just have them not see the files? All it would say on the page would be the following: Index of/ Apache Server at mysite.com Port 80

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• Which is the appropriate content-type meta tag value ?

  - by Argoron

  I have a question about the meta tag content-type. When starting to build my site (HTML+PHP+JS), I copied a lot of the meta tags over from elsewhere, and I have, amongst others, the following: <meta http-equiv="content-type" content="application/xhtml+xml; charset=iso-8859-1" /> Now, I've seen that tag is being used a lot with the value "text/html". I've been searching the web but could not find a comprehensive explanation regarding what the difference between both is. The "text/html" intuitively sounds more straightforward to me. Should I change my tag to that, or might the "application/xhtml+xml" be an equivalent solution ? Alternatively, can anyone point me to a resource where the different values for these tags are listed and explained in a clear manner? Thanks in advance

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• How to balance programming projects between feasibility and usefulness

  - by tyjkenn

  I've become fairly competent as a programmer, but I would not say I am a master. I work independently, most as a hobby, although I have done some freelance PHP work. I tend to find myself dabbling in a lot of things: Java Android SDK, Arduino, game scripting, Lua, etc. I've reached the point where I want to start a real software project, but cannot think of a small enough project that allows me enough practice, while still being able to publish a decent piece of software in a reasonable amount of time, and build up a portfolio. More specifically, I was looking at Ubuntu development, in Python, using the Quickly toolset, which includes the PyGTK libraries. So the question is, what is the best way to come up with a small project that is still useful, as a starting point to a software development career?

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• Why Can't Computers Off My Network See the Site? [migrated]

  - by nmagerko

  Have just set up Apache, PHP, MySQL, etc. on my Ubuntu OS, and I was wondering why computers that are not on my network can not see the basic index.html that Apache uses as the default. I set up the static ip address for my computer, and I use 192.168.1.100 for computers to view the simple site. Is there something I am missing that will allow others to access my site? (It is REALLY simple; no graphics, CSS, etc.)

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• DOMDocument programming: a lot of little dilemmas, how to solve them?

  - by Peter Krauss

  I need elegance and performance: how to decide by the "best implementation" for each DOM algorithm that I face. This simple "DOMNodeList grouper" illustrate many little dilemmas: use iterator_to_array or "populate an array", when not all items need to be copied. use clone operator, cloneNode method or import method? use parentNode::method() or documentElement::method? (see here) first removeChild or first replaceChild, no avoids "side effects"? ... My position, today, is only "do an arbitrary choice and follow it in all implementations" (like a "Convention over configuration" principle)... But, there are another considerations? About performance, there are some article showing benchmarks? PS: this is a generic DOM question, any language (PHP, Javascript, Python, etc.) have the problem.

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• What technology to use for turn-based game server? [closed]

  - by mekanikus

  If I create a mobile turn-based game which could consist from 2 up to 6 players. I expect the server to support for about hundreds of game. And I aim for something free and not costly technology. What software and hardware recommendation would be enough for me? I've found some game server engine such as photon. But is it too much for a simple game? I'm thinking of using REST technology with F3 PHP server and Mysql. Will it be adequate? Will only one physical server enough? What is the hardware recommendation for the server?

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• What is a good way to comment if-else-clauses?

  - by acme

  Whenever I'm writing a typical if-else-construct in any language I wonder what would be the best way (in terms of readability and overview) to add comments to it. Especially when commenting the else clause the comments always feel out-of-place for me. Say we have a construct like this (examples are written down in PHP): if ($big == true) { bigMagic(); } else { smallMagic() } I could comment it like this: // check, what kind of magic should happen if ($big == true) { // do some big magic stuff bigMagic(); } else { // small magic is enough smallMagic() } or // check, what kind of magic should happen // do some big magic stuff if ($big == true) { bigMagic(); } // small magic is enough else { smallMagic() } or // check, what kind of magic should happen // if: do some big magic stuff // else: small magic is enough if ($big == true) { bigMagic(); } else { smallMagic() } What are your best-practice examples for commenting this?

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• Is it Advisable to learn multiple programming languages at the same time? [closed]

  - by adietan63

  Possible Duplicate: Learning Multiple Languages Simultaneously Im self-taught programmer and I studying PHP, Ruby and C++ at the same time. Is it advisable to do what Im doing? can you give me advice on what i should do first to enhance my learning curve? I want to become all around programmer that's why I want to study different languages at the same time. I want to feel comfortable in any of software applications even in web or desktop application Im just trying to make my skills more valuable and maximize the technology that we have today.

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