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• Less known Solaris features: pwait

  - by user13366125

  This is a nifty small tool that i'm using quite often in scripts that stop something and do some tasks afterwards and i don't want to hassle around with the contract file system. It's not a cool feature, but it's useful and relatively less known. An example: As i wrote long ago, you should never use kill -9 because often the normal kill is intercepted by the application and it starts to do some clean up tasks first before really stopping the process. So just because kill has returned, it doesn't imply that the process is away. How do you wait for process to disappear? (more)

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• Webcam Q&A page with guest "speakers" ideas?

  - by myladeybugg

  I want to host one way webcam Q&A's/AMA's and embed it on my sites webpage. I must be able to have specified hosts for these Q&A's connect quickly and easily to the webpage, and read user posted messages (questions) for interaction. I know there are some systems out there, like tinychat, but I'm unaware if there is anything exactly used for what I am looking for. Perhaps requiring a specific account/password before allowing streaming on the page, where I can email the host a password or directions to create an account to begin live streaming. Most of these people doing the question and answers on webcam will have little technical knowledge, so extra cookie points goes to ease of use! Thanks for ideas in advance! PS: I apologize if this is the incorrect section for posting this question, this is my first.

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• Enablement 2.0 Get Specialized!

  - by mseika

  Oracle PartnerNetwork Specialized program is releasing new certifications on our latest products, and partners are invited to be the first candidates. A Certification exam goes through a rigorous review process called a beta period. Here are a few advantages of taking a Beta Exam: Certification exams during the beta period count towards your Company Specialization. Most new Certified Specialist Exams have no training requirement. Beta Exams Vouchers are available in limited quantity, so request a voucher today by contacting the Partner Enablement Team and act fast to reserve your test from the list below. For more information click here. 

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• Resource Managers - Are they any good?

  - by The Communist Duck

  Hey. I've seen many a time in source code, things like this [well, this is more of a pseudo C++ idea of mine] type defshared_ptr ResourcePtr;// for ease ResourcePtr sound1 = resourceManager.Get("boom.ogg"); sound1-Play(); ResourcePtr sprite = resourceManager.Get("sprite.png"); I was just wondering how useful a class like this was, something that: Loaded media files Stored them in memory Did this at the start of a level - loading screen. Cleaned up Rather than having a system of: Resources are held by entities only, or loose. Responsible for own load into memory. The first is a 'manager' as such; something I feel indicates it's wrong to use. However, it allows for something like a vector of resource names to be passed, rather than having to scramble around finding everything that needs to be loaded.

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• Better php framework for shared hosting

  - by ravz

  I need to develop an app for booking appointments. This is gonna be hosted in a shared server. So performance is the most important thing. I have used symfony2. I quite liked the framework. But seems to be heavy. Which framework would suit me considering my requirements? I have shortlisted three frameworks yii, symfony2 and ZF2. I am not asking which framework is better. All the three are good frameworks. I want to know which will suit my requirements. My first priority would be performance (I will be using AJAX wherever possible), second would be maintenance and development time and third community support. Or should I use my own handlers to separate views and logic and just use raw php?

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• Upgrade from 10.04 to 11.04, must maintain minimum kernel 2.6.38

  - by Steve

  I have a machine running 10.04 and am using BTRFS with lzo compression. I upgraded the kernel to 2.6.38 to enable this (using a PPA). I have my /home folder on a separate (4 TB) BTRFS drive. / is on ext4. My only complaint with this setup is that it uses the old BTRFS tools. How can I upgrade first to 10.10, then 11.04 as required, when 10.10 uses 2.6.35? I don't want it to crash/choke on mounting /home. Will it just let me keep booting the newer kernel I have while upgrading?

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• ssh client times out to some servers, works on others

  - by mmdanziger

  I have a strange problem and I'm not sure where to begin. My ssh client works on some servers but times out on others. Obviously, I checked that the servers are accessible via ssh from other locations. From my machine A I can log on to C only by logging on to B first. There are at least two servers for which this is the case. To make matters more strange sudo ufw status - Status: inactive nmap -sT -p 22 <problem_server> - ...22/tcp open ssh... On one affected server I am getting: ssh_exchange_identification: Connection closed by remote host and on the other I am getting ssh: connect to host <problem_server> port 22: Connection timed out With both of these servers I can log in from other machines. How can I troubleshoot such a problem?

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• touchpad not working occasionally in Compaq Presario CQ45

  - by Debasmita

  I have upgraded to Ubuntu 12.04 and my touchpad is not working at times on rebooting. There is no touchpad tab on system settings-mouse and touchpad. I have tried using the first two answers given here. I have tried omega@debasmita-laptop:~$ synclient TouchpadOff=0 Couldn't find synaptics properties. No synaptics driver loaded? When I try to open synaptiks it says no touchpad detected. However, USB mouse is working fine so far. Is there a solution to the problem?

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• In 12.04, with my Linksys WUSB54G USB adapter I can see the networks, but cannot connect to any of them

  - by tobye

  I recently loaded Ubuntu version 12.04 onto my computer, and I have a WUSB54G v4 USB wireless adapter. I first tried to get it to work by simply plugging my adapter into an open USB port. This seemed to work fine, it came up with a list of wireless adapters, so I clicked on the correct one and entered the security code. It looked like it was going to connect. It tried for about five minutes before I stopped it. I then decided to create a network as I also have one setup. I did this and it connected, only one problem, I couldn't get onto the internet. Please help me, I am new to Ubuntu and am totally lost.

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• Rewritten NetBeans Platform Feed Reader Tutorial

  - by Geertjan

  The next tutorial that has been thoroughly restructured and rewritten is: NetBeans Platform Feed Reader Tutorial Originally written by Rich Unger, it was one of the very first NetBeans Platform tutorials that ever existed. In this particular rewrite, the entire structure of the tutorial has changed, in an attempt to make the flow more "bite size", rather than a big lump. Also, thanks to recent NetBeans Platform changes, there are no Bundle files anymore, all Strings are declared via @Messages annotations. Theoretically, the browser in the application could be a JavaFX WebView, though the browser part of the application isn't a central theme of the tutorial, hence only a reference is made to the JavaFX alternative. Here's what it looks like: Comments to the NetBeans Platform Feed Reader Tutorial are, as always, very welcome. 

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• Increasing SEO and Google adsense earnings [closed]

  - by swat_mag

  Possible Duplicate: How can I increase the traffic to my site? I have a website ( http://www.special-ops.org ) it is quite old but new site... Old in that that i written it in another language and on other domain, now i registered new domain and have plan to translate everything to english... I stuck on first step... How to improve my SEO and get traffic? I think i'm doing good on site seo, but my content are one of millions... How to improve it? Examples of my articles: http://www.special-ops.org/navy-seals-most-elite-unit-in-united-states-forces/

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• Ubuntu 12.10 doesn't boot (installed with wubi)

  - by Luna Kiyiya

  Quick and simple, my ubuntu doesn't want to load after installing with ubuntu. Starting the computer, at the screen to choose your operative system, first shows an error that windows failed to start, and later asks me to choose between ubuntu and windows. If I choose ubuntu, the same error happens again and I return to the same screen. If I choose windows, windows just starts normally as it was doing before I installed it. How can I solve this?? Thank you for your attention... I really need some help :)

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• Sound Delay With AVAudio Player

  - by Will Youmans

  I'm using the following code in my viewDidLoad to load a sound: NSURL * url = [NSURL fileURLWithPath: [NSString stringWithFormat:@"%@/Moto - Hit Sound.mp3", [[NSBundle mainBundle] resourcePath]]]; NSError * error; hitSoundPlayer = [[AVAudioPlayer alloc]initWithContentsOfURL:url error:&error]; hitSoundPlayer.numberOfLoops = 0; Then I'm using this in a void method to play the sound: if(CGRectIntersectsRect(main.frame, enemy1.frame)){ [hitSoundPlayer play]; } This does seem to work, however the first time the sound is played there is a lot of lag and the game stops temporarily. I'm using this same method for when in an IBAction and it works fine, it must be the fact that it's also detecting a collision that makes the sound lag. If I want to be able to play sounds quickly and on the spot without any sort of lag am I doing the right thing? Do I want to use another method? I'm not using any frameworks like cocos2d. If you need to see any more code just ask.

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• Is it to late for Windows Phone 7 after the iPhone 4.0 comes out?

  This year has been an incredible year for mobile devices, from the release of the iPad to the reveal of the Windows Phone 7 from Microsoft to compete with the well establish Apple iPhone. Microsoft has been hard at work developing the OS for the Windows Phone 7 that will be release late this year, yet Apple will be releasing this summer the new iPhone 4.0 with new hardware to go with it. If we remember well, the first version of the iPhone was a good device, yet was missing many features...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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• Files Not Uploading

  - by Howdy_McGee

  So I'm running wordpress. I will make changes to theme files and upload them successfully but none of the changes show up on the actual website. At first I thought it was the wrong theme but I have specific theme files I created that are in there so I'm using the right theme. Then I thought it was a server problem and maybe the companies server are down so I checked a few other websites and updated information just fine. All on linux servers. Then I jumped to Wordpress to make sure it wasn't a wordpress problem but I can update the files fine from their Admin Panel. I checked to make sure it wasn't Filezilla Caches or Browser Caches so I cleared them both. What could be the problem? If it had to deal with the Filezilla client permissions I imagine I would get an error upon uploading but it uploads just fine. Suggestions would be extremely helpful I have no clue.

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• What is the sudo password after I deleted the password for the user?

  - by Ubuntunewbie

  To have an easier access to the computer I deleted the user's password so it is blank. But now I'm still asked to type in a password for sudo actions such as installing programms, etc. I know that this belongs to Ubuntu's outrageous security policy (which is why I use Ubuntu in the first place..) but I don't have any password to enter any more!! The old user password is not accepted and anything else (like just hitting enter) doesn't work either. I already tried the recovery mode (root shell) way passwd USER< but it replied that it can't access the password or it has no authority. Thanks in advance for your help!

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• Key Handling mechanics

  - by Max

  I am new to game development and am working on my first game using OpenGL and C++. I have a game class which handles everything necessary in an update() function. Now i want to handle keyboard inputs. I use GLFW which supports key callbacks. However i wonder how to deal with inputs. Should i record the keys pressed and poll on it the next time my game updates or should the callback immediately perform the necessary actions? And why? Thanks :)

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• Does Your Business Really Need a Search Engine Optimization Specialist?

  If you're an individual or an organization planning to employ a search engine optimization professional, you might first want to consider the possibility of doing this work yourself. Certainly, a search engine optimization consultant can boost your site and perhaps help save you time and effort, yet the fact is that SEO is hardly an advanced science, and there are just a handful of authentic professionals within the field. So, if you depend on somebody else to be in charge of your search engine optimization, there's a high probability that the person will not possess a great deal more knowledge than you. And if you lack any knowledge, all the relevant information is easy to obtain.

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• Maxtor OneTouch Hardisk Not Recognised

  - by user8960

  I have a Maxtor OneTouch External Harddisk 160gb that i purchased recently. At first my Ubuntu 10.10 could not mount it. I opened disk utility which recognized it but with no filesystem. I proceeded to try formatting it but this error popped up Blockquote Error creating partition table: helper exited with exit code 1: Error calling fsync(2) on /dev/sdb: Input/output error Blockquote I resorted to Gparted. Things turned worse; it wasn't even listed in the list of devices. Does anyone have a solution to this problem? Any help is appreciated.

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• 3 threads printing numbers of different range

  - by user875036

  This question was asked in an Electronic Arts interview: There are 3 threads. The first thread prints the numbers 1 to 10. The second thread prints the numbers 11 to 20. The third thread prints the numbers from from 21 to 30. Now, all three threads are running. The numbers are printed in an irregular order like 1, 11, 2, 21, 12 etc. If I want numbers to be printed in sorted order like 1, 2, 3, 4..., what should I do with these threads?

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• multiple languages same pages shall I change the page URL path as well?

  - by Athanatos

  We own multiple country code top-level domains for our website e.g DE, UK ,FR. When someone visits for one of those domains they redirect to .com and the language automatically changes for the first time to the one from the originating domain. Also users can change the language from the .com website using a dropdown, however the page URI stays exactly the same e.g service.php. How will that be indexed in Google ? Will all the different language will be indexed or only the default lang (English) ? Is it recommended for SEO purposes to do something with the page URL (even using the htaccess maybe) so that I can also append to the title or page name the language ? e.g service.php?lang=fr

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• How to post SEO jobs in the right way and other questions [closed]

  - by mdivk

  I have websites that needs an SEO expert to make them on the top of Google searching result based on some keywords, or at least the first page, the websites are created using common open source platforms (wp, joomla, or magento, zencart) I want to post a job on oDesk but I have no idea on how this particular type of requirement works? what would the guy do on my website? will I be asked to spent extra advertisement money? How do I know s/he really did anything on my site and what have been done? if it's just to optimize URL to make it meaningful then I don't need that, and I am sure giving every page's URL an alias is not enough to make the site popular. Beside, I want to know how much it roughly costs and how long it takes. It would be great if you can shed me some light, thank you in advance.

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• Defcon totally screwed up my system!

  - by Draeton

  I'm using Ubuntu 12.04. Downloaded and ran a game called Defcon, by Introversion Software, and then my display problems began! At first, my smallest monitor stopped receiving input. Then, when I exit the game, still no input & I look at the 'Display' System Settings menu and it is off. I try switching it back on, and my system totally crashes. I restart my system, and try two more times at switching it back on, before I go back to basics and switch mirroring on before switching that monitor on. Now I've switched mirroring off, but if I set the resolution for my largest monitor above that of my other monitor, my system crashes! What the heck! Does anyone have a solution to my problems?

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• How come many of the AppShowdown apps aren't available in Ubuntu anymore?

  - by kermit666

  After upgrading to 12.10 I've noticed that I can't install some of the nice apps created for the AppShowdown, such as: Cuttlefish Blubphone (Lightread also came out quite late in 12.10) It seems such a waste having these great new apps added to the repository, only to exclude them in the first next version. I'm wondering why aren't these apps automatically available in a newer version of Ubuntu. Is it simply that the API is so different that it requires major rewrites and programmer activity or is it some bureaucratic reason? Are there any plans to improve this process?

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• Can't Login to my PC

  - by user68775

  Hope u solve my problem. I am new to Ubuntu. I tried to install Ubuntu 12.04 in my pc which is way old because friends told me that it could be installed in any machine. I dually installed ubuntu along with Windows XP. After installation i get a message "Run ubuntu in low graphics" I gave yes and then i was asked for userid and Password. But i keep getting the same UserID page even though i gave the corrent UserID and Password. Is there any solution you can provide. This is my first experience with Ubuntu.

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