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• Wireless Disabled (Network Manager)

  - by Peter Kihara

  Am Having issues with My Wireless 1 My laptop had dual boot windows 7 and Ubuntu 13.04 I upgraded to windows 8 and after the first 2-3 reboots all was working well in windows and ubuntu then my wireless in ubuntu stoped working saying "wifi is disabled by hardware switch" the hardware switch has no effect I removed network manager installed new firmwares and still nothing the wifi was not working in a moment of testing I installed wifi radar and this can detect the wireless signals and at one point it connected but still Network manger still says disabled. My Laptop is a HP Pavilion dm4 2070us with Wireless Centrino N 1000 I have updated to 13.10 thinking it would fix it but still nothing

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• How will the launcher/button work on a touch panel?

  - by burli

  I'm not sure if Unity has a design problem. If the Launcher is hidden you can bring it to front by moving the mouse over the home button or hit the Super Key. So far, so good. But what is on Tablet Devices with touch panel? Intuitively I would "click" in the corner to show the launcher, but a click will open the Dash. How should that work on a touch device? Do I have to "drag" my finger into the corner? Will touch devices have a "menu button"? Will there be a gesture to show the launcher?

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• Sidestep Automatically Secures Your Mac’s Connection on Unsecure Networks

  - by Jason Fitzpatrick

  If you’re wary of browsing on wide open public Wi-Fi networks (and you should be), Sidestep is a free Mac application that routes your connection on an unsecure network through a secure proxy. Sidestep automatically detects when you are on an unprotected wireless network and forms an encrypted tunnel to the proxy you specified during setup. Anytime you login a wide open Wi-Fi node (such as at a coffee shop, airport, or other public area) you won’t be broadcasting your login credentials and other personal information in what amounts to plain text into the air around you. Anyone snooping on you or the network in general will simply see your stream of encrypted data going to the proxy. Hit up the link below to grab a copy and read additional information about setting up the program and finding/configuring a proxy server. Sidestep is freeware, Mac OS X only. Sidestep [via Gina Trapani] How to Create an Easy Pixel Art Avatar in Photoshop or GIMPInternet Explorer 9 Released: Here’s What You Need To KnowHTG Explains: How Does Email Work?

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• Ubuntu 11.10 UI changed suddenly?

  - by VeeKay

  10 64 bit on a Dell laptop that has 6GB RAM and 1GB graphic card. All of a sudden there were some sudden changes in UI which I am unable to understand why. The unity panel was initially glassy and transparent, now it looks all black in its background. Likewise the alt+tab graphics was working well until it got changed suddenly and now shows icons on pure white background. I've not tried to install any themes and I've not tried to tweak anything. Why did this UI changes occur? Could it be that it is unable to detect the graphic card or something? How can I fix this and how can I get back the original desktop back? Please help..

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• Snooker Android Application [closed]

  - by Rzarect

  I am working currently on my final year project / dissertation for the university and I have a "crazy" idea for it. I was thinking of designing an android app for Snooker players, different bars or tournaments, an app that will use the mobile camera to detect every movement and change on the table and in the same time will keep the score for the players without any human input. I want to know if it is an impossible thing. If it is plausible I really need some ideas, advices from where to start. I got to say that I have some experience in Android development and I already started to read a lot of articles, projects about the shape detection, color detection and edge detection.

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• Windows Phone 8 detected as mass storage

  - by legends2k

  From version 8 onwards Windows Phone supports MTP (media transfer protocol) to transfer audio and I thought I could use Rhythmbox to upload music onto my device. Thing is Rhythmbox doesn't display the device under Devices pane (there's no Device pane for that matter). I searched other questions here and tried out installing mtp-tools, mtpfs and also tried gMTP, which doesn't seem to detect the device as a portable player. I see that the device's icon looks like a Camera in dash bar and when I see the address location, it shows gphoto2://[usb:002,013]/, which makes me doubt that it's detected as a camera or as a mass storage device. /.gvfs/gphoto2 mount on usb%3A002,003 is where the actual mount is. What do I do to fix this? I tried creating .is_audio_player too.

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• wkhtmltopdf displaying text as blocks

  - by making3

  We're using wkhtmltopdf in a web project (nodejs/compoundjs). We've gotten it working how we wanted on our machines (using the --use-xserver switch). However, when I try to run this on our Ubuntu server 12.04 (without the ubuntu-desktop package), the PDF cannot use the switch. When we disable the switch, the PDF displays any characters as blocks (image below). How do I resolve this without installing ubuntu-desktop and running x server? I've found liberation fonts, which installing ttf-liberation and fonts-liberation did not help. And urw-fonts, but I have yet to find an Ubuntu equivalent. EDIT: It just hit me, this doesn't matter if I'm on the server or not. On my development machine (Ubuntu 13.04 desktop), I can run the following, which produces the same blocks: wkhtmltopdf http://google.com google1.pdf While this prints out the pdf properly: wkhtmltopdf --use-xserver http://google.com google2.pdf My version of wkhtmltopdf is 0.12.0.

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• Find angle for projectile to meet target in parabolic arc

  - by TheBroodian

  I'm making a thing that launches projectiles in 2D. Its projectiles are fired with a set initial velocity, and are only affected by gravity. Assuming that its target is within range, and that there aren't any obstacles, how would my thing find the appropriate angle at which to launch its projectile (in radians)? The equation for this is found here: Wikipedia: Angle Required to Hit Coordinate Sadly, I'm not a physicist (a.k.a. can't read smart people math) and am having a hard time reading its breakdown. If not only for the sake of anybody else that might read this other than myself, would anybody be kind enough to break the equation down into baby words please?

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• Drawing flaming letters in 3d on OpenGL ES 2.0

  - by Chiquis

  I am a bit confused about how to achieve this. What i want is to "draw with flames". I have achieved this with textures successfully, but now my concern is about doing this with particles to achieve the flaming effect. Am I supposed to have a Path in where i should add many particle emitters along the path that will "be emitting flames"? I understand the concept for 2d, but for 3d are the particles (that are quads) always supposed to be facing the user? Edit: Something else im worried about is the performance hit that will occur by having that many particle emitters, because there can be many letters and drawings at the same time. And each of these elements will have many particle emitters.

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• Getting "System program problem detected" pops up regularly after upgrade from 11.10 to 12.04

  - by Mixhael

  This started to happen immediately after I had rebooted the first time after doing a system upgrade to 12.04 from 11.10. It first starts with a dialogue that says "System program problem detected". Then when I try to hit 'report problem' not much happens. I am led through a dialogue that always ends up the problem cannot be solved. I am running a MacBook1,1 I am aware this is not a lot of information, however I'm not sure which information I need to publish and how should I obtain it to debug this problem. Here's a screenshot!

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• rotating menu with Actors in libgdx

  - by joecks

  I am intending to build a circular menu, with menu items equally distributed around the circle. When clicking on a menu item the circle should rotate so that the selected item is facing the top. I am using libgdx and I am not very familiar with the Actors concept, so I intuitivly tried to implement an Actor, who is drawing a texture and then transforming it by using Actions, with no success: class CircleActor extends Actor { @Override public void draw(SpriteBatch batch, float parentAlpha) { batch.draw(texture1, 100, 100); } @Override public Actor hit(float x, float y) { return this; } } and the rotate action: CircleActor circleActor = new CircleActor(); circleActor.action(Forever.$(RotateBy.$(0.1f, 0.1f))); // stage.addActor(); stage.addActor(circleActor); The texture is rectangular, but it doe not work. 1. What is wrong? 2. Is it a good approach to solve the task? Thanks!

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• How to repeat a POST request using Chrome's developer tools?

  - by Luke The Obscure

  Not sure if this is the right stack exchange to ask this, but here goes... I'm trying to wean myself off of Firebug, which has served me very well for a lot of years. One feature that seems to be missing in Chrome's dev tools is the ability to repeat an AJAX POST. In firebug I can right click on the request in the console and hit "Open in new tab" and the request is repeated exactly as it was originally sent. In Chrome, the same action just does a normal GET on the link, without any of the post data. Is there any way to repeat an AJAX POST in Chrome's dev tools?

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• Developing an AI opponent for Monopoly

  - by Bernhard Zürn

  i want to develop an AI opponent for the Board Game Monopoly. I want to implement the whole Game with Prolog (XPCE). The probability for a field on the Board being hit, can be computed with Markov Chains. I already know some "best practices" like "after 50% of the playing time it does not make sense to buy out of jail because in jail you get renting fees for your fields but you don't have to pay for other fields as long as you stay in prison". The interesting question always is: buy a streetfield ? buy houses / hotels ? how much ? so i think i would have to compute some kind of future liquidity .. does anyone know how to pack that into an algorithm or how to translate it to prolog ?

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• Unstable Wifi and Spontaneous Low-graphic Error with Pavilion DV4

  - by Constant Dean

  I've been having numerous problems with connectivity through WiFi. It had been working for a few days and now it doesn't. On top of that around 40% of every time I turn on the laptop it shows "System running in low-graphics" error and I'm unable to view the desktop (sometimes not even able to access terminal), therefore having to manually power-down until it finally works. I use Ubuntu 12.10. nm-tool NetworkManager Tool State: connected (global) - Device: eth0 [Wired connection 1] ------------------------------------------- Type: Wired Driver: r8169 State: connected Default: yes HW Address: 84:34:97:6B:2E:D7 Capabilities: Carrier Detect: yes Speed: 10 Mb/s Wired Properties Carrier: on IPv4 Settings: Address: 192.168.1.10 Prefix: 24 (255.255.255.0) Gateway: 192.168.1.1 DNS: 192.168.1.1 DNS: 68.237.161.12 - Device: wlan0 ---------------------------------------------------------------- Type: 802.11 WiFi Driver: rt2800pci State: unavailable Default: no HW Address: 68:94:23:50:A5:D9 Capabilities: Wireless Properties WEP Encryption: yes WPA Encryption: yes WPA2 Encryption: yes Wireless Access Points

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• How do I check that my tests were not removed by other developers?

  - by parxier

  I've just came across an interesting collaborative coding issue at work. I've written some unit/functional/integration tests and implemented new functionality into application that's got ~20 developers working on it. All tests passed and I checked in the code. Next day I updated my project and noticed (by chance) that some of my test methods were deleted by other developers (merging problems on their end). New application code was not touched. How can I detect such problem automatically? I mean, I write tests to automatically check that my code still works (or was not deleted), how do I do the same for tests? We're using Java, JUnit, Selenium, SVN and Hudson CI if it matters.

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• How To Delete Your Skype Call and Chat History

  - by Gopinath

  Just like every other modern application, Skype also records all the communications we exchange using it. It records instant messages, calls, file transfers, SMS, etc. and makes it easy to view using the Conversation tab. If you ever feel like getting rid of these history information, then you need to delete them. Skype provides a single click option to clear all the history from you account, but the feature is buried deep under options menu.Really deep!. To clear history follow the menu Tools –> Options, switch to Privacy Settings tab available on the left side, click on Show advanced options button and finally hit the button Clear history. Ah! You are almost done. Just confirm a popup it displays on screen and your history is vanished from your account. Join us on Facebook to read all our stories right inside your Facebook news feed.

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• Google Maps keeps displaying in Spanish

  - by Ken Hortsch

  Originally posted on: http://geekswithblogs.net/BlueProbe/archive/2013/11/12/154610.aspxIn Chrome I use Google Maps as a search provider.  That way I can just type maps for the URL address, hit a couple of tab keys, and enter the maps address and have the page rendered with my map.  Now periodically maps were displaying in Spanish with a "click here to translate to English” option.  Huh?  My language settings on the browser and within Google settings all were English.  Turns out I had set my Chrome search provider string to include a language query parm=es.  Why would I do that?  Evil twin perhaps.

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• Command to determine whether a fullscreen application is running?

  - by George Edison

  I have a small shell script that plays a little jingle and displays a notification whenever I get a new email. The problem is that this shell script can get invoked anytime - including when I'm watching a DVD / video in fullscreen mode with the sound turned up quite a bit - which is quite annoying. I'd like to enhance this script with the ability to detect whether an application is in fullscreen mode. I know this must be somehow possible because notifications don't display under those circumstances. What command can I use?

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• Boots to a totally blank screen after I installed some ATI Radeon card updates

  - by baboonWorksFine

  I am using Ubuntu 10.04 LTS, dual boot with win7 on ThinkPad T400, I followed Ubuntu update hints and installed some update for my ATI Radeon graphic card, but when I boot to Ubuntu(means I can still load GRUB), the tragedy happened, the screen goes to blank and no matter what key stroke, I can not get any responds, I try to go to text terminal, but impossible! However when I hit the power button, the computer would pop out the Ubuntu shutdown screen briefly and shut down. I figure out I should delete the updates package of my graphic card, but I don't even get a chance to go to text terminal, please help me!

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• How do I install Ubuntu to a USB key?

  - by badp

  If you are hurrying to reply, System ? Administration ? StartUp Disk Creator -- no, that's not what I'm talking about. I want to try Ubuntu 11.04's Unity without touching my existing Ubuntu install. To do this, I need to install the nVidia drivers first (sigh). To do this, I need changes to persist a reboot. To do this, I need to really install Ubuntu on a USB key. How do you do that? What I tried I tried to make a USB key from Testdrive, then boot from it, then choose "Install Ubuntu." The installer refused to install to the installation media itself. I tried, from my installed copy of Ubuntu: sudo kvm /dev/sdb --cdrom .cache/testdrive/iso/ubuntu_natty-desktop-i386.iso ...but the installer didn't detect the disk properly.

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• mobile broadband quick connect..how to?

  - by Ubuntuser

  Hello all, I have a Reliance broadband + mobile broadband connection. It connects fine, but the only problem is it takes more than 2 -3 mins to get the connection started. If I plug in the USB datacard, the network manager applet dothes not show up the mobile broadband connection immediately. It takes a good 2-3 mins to detect the connection before I can select Reliance connection from the dropdown list. Is there any way of getting a shortcut of that connection on the desktop or on the panel? Thanks, Sayantan

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• Can't boot WIndows 7 CD installer after installing ubuntu Boot-repair failed please help

  - by user293164

  An error occurred during the repair. Please write on a paper the following URL: http://paste.ubuntu.com/7638031/ In case you still experience boot problem, indicate this URL to: [email protected] You can now reboot your computer. The boot files of [The OS now in use - Ubuntu 14.04 LTS] are far from the start of the disk. Your BIOS may not detect them. You may want to retry after creating a /boot partition (EXT4, 200MB, start of the disk). This can be performed via tools such as gParted. Then select this partition via the [Separate /boot partition:] option of [Boot Repair]. (https://help.ubuntu.com/community/BootPartition I really don't know what to do.. :(

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• Getting "System program problem detected" pops up regularly after upgrade

  - by grrrbytes

  This started to happen immediately after I had rebooted the first time after doing a system upgrade. It first starts with a dialogue that says "System program problem detected". Then when I try to hit 'report problem' not much happens. I am led through a dialogue that always ends up the problem cannot be solved. I am aware this is not a lot of information, however I'm not sure which information I need to publish and how should I obtain it to debug this problem. Here's a screenshot!

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• Dynamic content realoding

  - by Kikaimaru

  Is there a relatively simple way to dynamicaly reload content files? (ie: effect files) I know i can do following: Detect change of file Run content pipeline to rebuild that specific file Unload ALL content that was loaded Load All content And use double references to reference content files. Problem is with step 3 (and step 2 isn't that nice too). But i need to unload everything because if i have model Hero.x which references Model.fx effect, and i change Model.fx file, i need to reload Hero.x file which will then call LoadExternalReference on Model.fx. So I guess question is, did someone mange to make this work without rewriting whole ContentManager (and every ContentReader) and tracking calls to LoadExternalReference?

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• What stack of technologies should I use for my online game?

  - by Vee Bee

  I built a TicTacToe game to learn the .Net MVC3 framework. The basic functionality works (display board, make a move, detect winning move etc.) What I'd like to do is make it a "real" application - well-architected and using the right technology at the right layer. For instance, I'm currently saving every move to the database via a service call, which feels klugey and may become a bottleneck if this was an MMO game. How do you determine a good architecture (or right set of technologies) to use in a situation like this? I'd like to learn not just what to do, but why certain decisions are better than others. I noticed a similar thread here but it just offered opinions without explaining WHY something would be better (e.g. why Node instead of MVC3, etc.)

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