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• Why does my computer just keep restarting while trying to install Ubuntu 13.04 (x86) from USB alongside Windows 7?

  - by Sumit Chahal

  I have checked the other questions, but none of them match my problem (the ones that do don't have satisfactory answers). I downloaded the Ubuntu 13.04 iso and burned it to my USB device following the given instructions. I was also able to boot the Ubuntu setup from it by changing the boot sequence so that the USB device is now at the top. But I am only able to use the "trial" version of Ubuntu. Every time I tick "Install Ubuntu alongside Windows" and click "Continue", the computer just restarts and I see the same Try-Ubuntu-or-install-it menu. I have tried pressing any key when that little icon appears at the bottom, but it is not at all helpful. I also read somewhere that I should eject my USB device after I click "Continue", but doing so just makes the computer run Windows 7 instead.

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• How can I port a MonoGame Windows Phone 8 game to iOS?

  - by Homer_Simpson

  I downloaded the trial version of Xamarin Studio and installed it on my iMac. In addition, I installed Xcode on my iMac so that I can use the iPhone emulators in Xamarin Studio. But I don't know how to use my MonoGame Windows Phone 8 source files in a Xamarin iPhone project. How can I use my Windows Phone code in an iPhone project? Can I import all my existing classes(for example Game1.cs) in an iPhone project without changing something? How can I port a MonoGame Windows Phone 8 game to iOS?

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• I don't have the password to update Ubuntu

  - by Steve

  I have bought a laptop with Ubuntu 12.04, which runs fine but wants to update. I don't have the password and it won't let me update anything. I have downloaded 12.04 in order to re-install it and it tells me it isn't suitable for my processor. The machine is a Dell latitude D505. I tried downloading the i386 version and on booting with the disc, I get: This kernel requires features not present on CPU. pae. Unable to boot. All I'm trying to do is to let software updater do it's stuff but as it asks for a password, I can't proceed. I've tried changing password in root shell but that doesn't work. Any ideas? Nothing seems to be working with this problem, so maybe I'll just wait for the next official release and try again.

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• SSMS Tools Pack 1.9.4 is out! Now with SQL Server 2011 (Denali) CTP1 support.

  - by Mladen Prajdic

  To end the year on a good note this release adds support for SQL Server 2011 (Denali) CTP1 and fixes a few bugs. Because of the new SSMS shell in SQL 2011 CTP1 the SSMS Tools Pack 1.9.4 doesn't have regions and debug sections functionality for now. The fixed bugs are: A bug that prevented to create insert statements for a database A bug that didn't script commas as decimal points correctly for non US settings. A bug with searching through grid results. A threading bug that sometimes happened when saving Window Content History. A bug with Window Connection Coloring throwing an error on startup if a server colors was undefined. A bug with changing shortcuts in SSMS for various features. You can download the new version 1.9.4 here. Enjoy it!

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• Should I use my domain registrar's nameserver or find an alternative?

  - by Fazal

  I've recently been moving my client's sites as well as my own and my friends to a cloud server instance I've set up. I don't have a nameserver setup on my instance because I'm not sure how to deploy and manage that side of things yet. I'm using the default nameservers where possible for the sites and just changing the A record DNS settings to point at the server. Some clients are complaining that the sites are running slower then before (since I changed nameservers back to the defaults). Some of the domain registrars are a nightmare to deal with and I can't convince some of my clients to leave them. Is there a sort of paid service I can use instead?

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• HP 530 Wireless problem. Bad communication with access point

  - by foxy

  I installed Ubuntu 11.10 on HP 530 and to make Wireless work installed STA driver from jockey (obviously proprietary) and, since it didn't work also installed their driver from HP website via ndiswrapper. After this (and a reboot) I see the WiFi indicator glowing, like it should be, and I am able to find local access points. But when I try to connect to mine personal one with WPA 2 security (with password) it hangs at authentification (I'm using wicd to manage wifi), and after a minute or so (I guess timeout of request happens) it says I have a wrong password (it is 100% correct). What might be the problem here? Yesterday I was able to connect to access point by changing type of encryption from passphrase to preshared key but didn't have internet access. Now, after reboot, I can't connect there again.

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• Programmaticaly change lightdm autologin session type

  - by marcinpz

  I have problem with lightdm setting autologin session type (using my config tool). Lightdm logs into previously selected session. I see that autologin-session is UNIMPLEMENTED in version 1.2.1. Maybe I can somehow cheat lightdm? but it seems program writes actual state when stopping and overwrites my changes to /home/user/.dmrc and /var/cache/lightdm/user.dmrc. At the current I have two sessions: default and kiosk. in /etc/lightdm/lightdm.conf I have line: user-session=desktop but after I logged into kiosk session it starts all the time. Changing .dmrc and /var/cache/lightdm/dmrc/user.dmrc doesn't work.

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• Gnome 3 - Old fashioned buttons and menus

  - by vigs1990

  I've upgraded to Gnome 3 and the problem I'm facing is that when I restart, sometimes the menus and buttons look old-fashioned like this: whereas sometimes, it looks modern and neat like this: Notice the differences between the two: here are a few differences: The menu bar (notice the difference in fonts, dark grey color of Snapshot1 vs the light grey color in Snapshot2 in the background) The file navigation bar bellow the menu bar (notice the 'Home' button there and also the left arrow button) The left-hand side navigation bar (font, background color and color of selected folder) The old style look effects the GTK aspects of the interface, such as the menu, buttons, mouse pointer etc. Another observation is that changing the GTK themes does using gnome-tweak-tool when the old style look is loaded does NOT work. However, this works when the regular look is loaded. How can I ensure that the old-fashioned look does not load on boot?

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• Make huge space savings by using SPARSE columns

  - by simonsabin

  I’ve blogged before about Getting more than 1024 columns on a table , this is done by using sparse columns. Whilst this is potentially useful for people with insane table designs, sparse columns aren’t just for this. My experience over the past few years has shown that sparse columns are useful for almost all databases when you have columns that are largely null i.e. sparse. A recent client was able to reduce the size of the table by 60% by changing columns to sparse. The way this is achieved is...(read more)

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• Ubuntu doesn't find hdds with higher clock rates

  - by user136243

  I dual boot windows 7 64-bit and ubuntu 13.10 64-bit on separate disks, and utilize some overclocking from the BIOS. Windows works fine, however ubuntu can't seem to find any hard drives, except for at stock cpu speeds. While attempting to boot it says Gave up waiting for root device... and ALERT! /dev/sdb7 does not exist. Dropping to shell! A bootable usb stick still works, but gparted doesn't detect any other drives. Have tried: Boot-repair Changing SATA mode in BIOS Newer kernels Older ubuntu versions Not sure it's relevant, but the motherboard is a Gigabyte GA-A75M-UD2H with the newest BIOS version, the CPU an AMD Llano. This is hardly a fatal error, but it's inconvenient to change BIOS settings whenever I want to switch OS, and furthermore I'm quite curious about why it won't work. I'd appreciate any insight into what the actual problem is. So how can I resolve this issue ?

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• Avoiding lag when rendering Texture2D for first time

  - by Emir Lima

  I have found a similar question here, but it is about playing sounds. I am using 2048 x 2048 textures for sprite sheets and every time I call spriteBatch.Draw using a sheet for the first time in game execution, causes a considerable lag. The lag doesn't appears for the next times. Someone has faced this problem before? What can I do to overcome this? Update: I inserted a code in the end of content load routine that draws EVERY Texture2D that is loaded into ContentManager before follow to the game screen. This works well. None lag occurs when different textures are rendered over the time, EXCEPT if the IsFullScreen are changed. Apparently, changing this property makes the textures loaded in the GPU gone. Is that correct?

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• Where can I find a package for "project looking Glass"? ("The Java desktop")

  - by Alvar

  Hi, I really really want to find this package. Because after I saw the youtube clip I realized it's just one of those things I must have done before I die. This tutorial would be great if the repository were online. My question is: Where can I find the file, and how can I install it without changing my current desktop? The project was called "project looking glass" and was released in 2007. It is now an "inactive open source project", according to its Wikipedia article. @Takkat found this VERY good live cd, hope it works.

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• How do you cope mentally with one very long piece of work

  - by Asher Einhorn

  This is my first games industry job and my task is to take out one major game component and put in a newer one. So far it's been 5 weeks, and I'm still just staring at errors. I think it could be months before it's at the point that it can compile. It's really getting me down. I'm just changing things over, I'm not really writing anything myself. it's just endless. I fix a thousand errors and nine thousand take their place. I'm sure this must be a common thing, so I was just wondering, how do you cope with this? It doesn't seem like I can break it down into little chunks at all.

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• Seizing The Moment With Mobility

  - by Scott Ewart

  Mobile devices are forcing a paradigm shift in the workplace – they’re changing the way businesses can do business and the type of cultures they can nurture. As our customers talk about their mobile needs, we hear them saying they want instant-on access to enterprise data so workers can be more effective at their jobs anywhere, anytime. They also are interested in being more cost effective from an IT point of view. The mobile revolution – with the idea of BYOD (bring your own device) – has added an interesting dynamic because previously IT was driving the employee device strategy and ecosystem. That's been turned on its head with the consumerization of IT. Now employees are figuring out how to use their personal devices for work purposes and IT has to figure out how to adapt. Read the remainder of this guest post on the Oracle Applications Blog by Oracle Vice President of Fusion Apps, Hernan Capdevila. http://bit.ly/FusionMobile

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• How to make my microphone unmuted on startup?

  - by fiktor

  Every time I boot the microphone is muted. I want it to be unmuted instead. Of course I can do it by 6 easy steps every time: press sound icon in the upper right of the screen. press "Sound settings..." item in the bottom. wait about 10 seconds until a window loads. switch to input tab. uncheck "Mute" checkbox near a microphone icon. close the window. But I want it to be unmuted by default. I guess that in linux world this should be changing 0 to 1 in some line in some configuration file, but I don't really know, where is this line located.

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• Is medium-resolution a good middle ground for web images?

  - by ColdSharper

  I'm used to thinking of hi-res 300 ppi and above, and lo-res, 72 or 96. But today I got an image that was 240 ppi, and da boss wanted as high res as possible. It was a huge file, but when I resized down to 700px wide in PS, optimized jpeg with no compression, without changing the res the result was a 129KB file that looks decent on most browsers (at least my box...who knows about old monitors, etc.) Did I miss a conference when I was on a break? Are others doing medium-res?

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• iptables allow dyndns domain name and auto update rules

  - by user3215

  I have registered with dyndns domain for my dynamically changing public ip address to use with iptable rules. On a server I've allowed some ports for this domain in the iptables configuration like the below entries: -A INPUT -s mycompany.dyndns.com -p tcp -m tcp --dport 22 -j ACCEPT -A INPUT -s mycompany.dyndns.com -p tcp -m tcp --dport 3306 -j ACCEPT -A INPUT -s mycompany.dyndns.com -p tcp -m tcp --dport 21 -j ACCEPT But when ever my modem restarts, I couldn't connect to these allowed ports as public ip changes with modem restart and are not updated in the iptables on the server. Is there any option to automatically update iptable rules on server.

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• "Time Control" in a 2d Platformer

  - by Woody Zantzinger

  I am making a 2d platformer where the player can press a button, and restart the level, only their previous character will also run the level at the same time, like they are traveling back in time. I know other games have done this before, and the way I have thought of doing it is to make the game character have a set of actions (Idle, Jumping, Walking Left etc.) and then detect changes in those actions and log them into a list along with the game time. So then when I need the character to run the level again on its own, I can just go through the list changing its actions at the right time. Is this the best way to do it? Does anyone have any experience in this? Thanks.

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• Kubuntu 12.04: Change login screen background?

  - by drezabek

  I am having trouble changing my login screen background. I can select the default wall paper, the Kde-default one, but when ever I select my own custom wallpaper, there is no image, just a solid color. Normally, I would just ignore it, but the thing that bugs me is that this is a fresh install of Kubuntu 12.04 64bit, and the OS before this one, the one I overwrote, I had no trouble using the exact same image as the background... Settings In the System Settings application, Login Screen settings, Background tab, enable background, Under "Background", selected Picture, under options, selected Position: Scaled. Colors: Single Color. Blending: No Blending.

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• Meta Refresh for change of page name and content

  - by user3507399

  Hopefully just a quick one. I've got a client that is changing the name of a workshop that they run. This means a change of url, page title for keywords that they have first page ranking on. The keywords are still relevant so what I want to avoid is a 301 redirect to a page that has different keywords to the previous page. Is the best option to keep the old page live with url and title and use a meta refresh to redirect after a period of time (not instant)? That way the SEO ranking is retained for the previous workshop name while they work on the ranking for the name change? Would a 301 redirect have an inverse effect? Thanks!

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• Will removing unused query string parameters negatively affect SEO?

  - by trm

  Will changing links to remove query string parameters that are no longer used have any negative impact on search engine rankings? Say I have a page about.php on my site, and all of my links to this page are of the form http://www.example.com/about.php?foo=bar and I've made some changes to the script such that the parameter foo is no longer used. I would like to remove the unused parameter from the links so the URL will look cleaner, but I am concerned that this could cause problems with SEO. Is it safe to remove ?foo=bar from my links?

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• Best practices on separating Update and Draw on game loop

  - by Galvanize

  I've been working on my first HTML5 prototype and I found a good model that uses the regular Update and Draw loop we see in game dev. My question is, where does one end and the other begins? The question popped when I wanted to rotate and draw an Image, and I kept wondering if the work of changing the tranformation matrix (that I presume would be a bit expensive since it works on the whole pixel array of an image) and calculating the right position do draw it would characterize drawing work, or maybe not, since after that I may need to check for collision or something similar. Thinkig of it, seems like a silly question, but I would like some advice from more experienced developers. Where does does update ends and draw starts? Thanks in advance.

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• Keypress Left is called twice in Update when key is pressed only once

  - by Simran kaur

  I have a piece of code that is changing the position of player when left key is pressed. It is inside of Update() function. I know, Update is called multiple times, but since I have an ifstatement to check if left arrow is pressed, it should update only once. I have tested using print statement that once pressed, it gets called twice. Problem: Position updated twice when key is pressed only once. Below given is the structure of my code: void Update() { if (Input.GetKeyDown (KeyCode.LeftArrow)) { print ("PRESSEEEEEEEEEEEEEEEEEEDDDDDDDDDDDDDD"); } } I looked up on web and what was suggested id this: if (Event.current.type == EventType.KeyDown && Event.current.keyCode == KeyCode.LeftArrow) { print("pressed"); } But, It gives me an error that says: Object reference not set to instance of an object How can I fix this?

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• Organic Business Networks -Don't Miss This Webcast!

  - by Michael Snow

  TUNE IN TODAY!! Oracle Social Business Thought Leaders Webcast Series Thursday, June 21st 10am PST  Organic Business Networks: Doing Business in a Hyper-Connected World Organic business networks connect people, data, content, and IT systems in a flexible, self-optimizing, self-healing, self-configuring and self-protecting system. Join us for this webcast and hear examples of how businesses today can effectively utilize the interconnectedness of emerging business information environments, adapt to changing conditions, and leverage assets effectively to thrive in a hyper-connected, globally competitive, information driven world. Listen as Featured Speaker, Michael Fauscette, GVP, Software Business Solutions, IDC, discusses: Emerging trends in social business that are driving transformative changes today The dynamic characteristics that make up social, collaborative, and connected enterprises Effective ways that technology combined with culture and process provide unique competitive advantage through new organic networked business models. Register now for the fifth Webcast in the Social Business Thought Leaders Series,“Organic Business Networks: Doing Business in a Hyper-Connected World.”

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• how to install/compile CORSIKA/FLUKA for Ubuntu x32 12.04?

  - by Pantea Davoudifar

  I want to use some programs (CORSIKA/FLUKA) which are essentially designed for 32 bit systems. so I installed Ubuntu 12.04 32 bit on my system (Intel® Core™ i7-2700K CPU @ 3.50GHz × 8). Before this I had installed Ubuntu 9.10 (32-bit) on an older system and installed g77 from hardy repositories, compiled those programs without any problem. But this time when changing the repositories, g77 could not be installed even i removed all the things that i thought make this installation impossible, for example I need gcc-3.4 and removed all newer versions and tried to install them from hardy repositories. but the problem is that, whenever I have g77, corsika does not compile, and whenever I remove it, fluka does not compile, and also i received a error messages like this: crt1.o not found in /usr/bin/lb. In fact these .o files does not exist on my system user/bin/lb I have no directory lb there? I do not know how to link it? Or do i need to reinstall everything?

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