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• What is the ideal laptop for creative coding applications?

  - by Jason

  Hi, I am a creative coder using C++(cinder and OpenFrameworks) I am looking to upgrade from my MacBook, which slowed down to about 3fps this morning. My project involves particles systems and fluids reacting to audio analysis data and computer vision data in real-time. SD or HD? no biggie. I have asked many people what computer I need. Ideally, I want a MacBook Pro. But is that enough power? I've been told that I need a desktop for what I am doing though I'd rather stay portable I've been told that I should go PC linux to get the most power but I'd rather stay mac I've been told that RAM is more of bottleneck than processor speed I've been told that the Graphics Card is more important than CPU and that code optimizations such as using trees over lists, proper threading, sending tasks to the GPU make a bigger difference than the hardware!!! what's true?! what do I need? Any suggestions are greatly appreciated

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• Help me i can't format my usb? i have already tried with mkdosfs and gparted

  - by Mauri Olivares

  I have a MicroSD card in a USB adapter (which plugs into a USB port on my machine, and acts like a USB flash drive). I was using Unetbootin to make this a bootable USB flash drive with Kubuntu. But I needed to cancel while it was working. So I killed the Unetbootin process from the console. Since then, I can't format the MicroSD or delete the folder that Kubuntu made. I have also tried mkdosfs, with no success. I can't mount the drive anymore either? What can I do, to make this drive usable again? Trying to create a new partition table in GParted, as described in Eliah Kagan's answer, does not work. It fails with the error message "imposible crear tabla de particiones" ("unable to create a partition table").

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• Ubuntu 14.04 liveusb boot screen graphic errors

  - by user568109

  I am trying to install Ubuntu 14.04 on my Lenovo Y500 laptop. It came preinstalled with Windows 8. I want to install it in a separate partition with a USB drive. I have tried both Unetbootin and universal usb installer. But for some reason the screen after booting is crappy. The screen goes blank after selecting try ubuntu or install. If I try with nomodeset option the screen only displays on a small strip on the top. Which again is split into three. Each seem to be identical. It is not decent enough to begin installation. The graphic card in my laptop is Nvidia GT650M, if it helps. Maybe the problem is related to that. Can anyone help in fixing this error when installing Ubuntu.

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• nouveu driver logs into unity-2d by default

  - by Ubuntuser

  I have an old system with NVIDIA Corporation NV25 [GeForce4 Ti 4600]. When running Ubuntu , the nouveau driver loads fine but does not log into Unity with compiz. Instead it logs into Unity-2D. Any idea how to enable 3D/ compiz with the nouveau driver. OS: Ubuntu 12.04 Beta2 The nvidia driver is no more available for this graphics card, so have to rely on nouveau. UPDATE: Bug reported on launchpad . See here. There has been no reply as yet to this bug-report - does anyone have any idea how to resolve this? Further information, Also, if I use kubuntu desktop, kwin graphics works just fine. But, the users prefer Unity over KDE so I have uninstalled Kubuntu.

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• Off-site Cardholder Data Storage

  - by LinuxGnut

  Is there a service or site out there that will store cardholder data for me? I don't need any kind of transaction processing or recurring billing... I just need somewhere that I can store data on until someone in my company is able to look at it. The specific need is allowing customers to input data that will be used for credit checks. Name, Address, Credit Card(s), and the such. Google Checkout, PayPal, NetSuite, and Authorize.net seem to be what everyone suggests to me, but they don't offer what I need -- they're just payment gateways.

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• Using paypal to process credit cards in Sweden through an API [on hold]

  - by Mastikator

  I'm looking for a Paypal API that lets me process credit cards to make payments without being redirected to a paypal site and without enforcing consumers to use their paypal account. And it needs to work in Sweden. The ones I've looked at (dodirectpayment, expresscheckout, paypalpro gateway) and none of them have let me process credit cards in Sweden via an API that doesn't force the user to visit the paypal login site. I have a form on my webpage that the user types their credit card number, ccv2, expiration, name, address, etc. I need an API that works in Sweden that simply processes the request, and it has to be without the step of being redirected into a paypal website. The ones that I have found only worked in a select few countries, is there an international solution? I've already spent over 12 work hours just looking for an API that meets my requirements.

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• Is it really a security problem to have non secure assets on an ssl page?

  - by blockhead

  My understanding is that this is just an example of being overly cautious, but if my checkout form contains an unsecure asset on it, that doesn't endanger anybody's credit card numbers from being caught by a man-in-the-middle. I'm asking this because every once in while, maybe because of cached content or whatnot, somebody writes in saying that they are seeing this "error" (even though there are no unsecure assets on my page), but they want an explanation. So yes, I can tell all about encryption and certificates and trust and men-in-the-middle. But what do I tell them about this. How do I convince them that the site is 100% safe (and if it isn't let me know that I'm mistaken!)

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• Thread problem with XNA C#

  - by Luis

  I'm development a network card game, and for now i've two players connected but there is a problem with one of them, this one can't do anything on the game. Looks that screen was blocked. I'm think that is because a code i used before. That code is: if (InvokeRequired) { this.Invoke(new MethodInvoker(delegate { ... })); return; } The code above is surrounding code to changing Button values, make connection with server and create game window. Without this code a warning is shown. InvalidOperationException was unhandled Cross-thread operation not valid: Control 'startGameButton' accessed from a thread other than the thread it was created on.

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• Attending MySQL Connect? Your Opinion Matters.

  - by Monica Kumar

  Take the MySQL Connect 2012 Survey Thanks to everyone who is at the first ever MySQL Connect Conference in San Francisco this weekend! Don't forget to take your Conference and Session Surveys. Your opinions help shape next year's conference. Take a survey for each of the sessions you attend and be entered into a drawing for one prize for $200 American Express Gift Certificate. Fill in the daily conference survey and be entered into a drawing for one prize for a $500 American Express Gift Card Surveys are located here. Make your opinion count! Take the survey now. Congratulations to Robin Schumacher from DataStax as he is the winner of the Saturday survey!

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• Unable configure brightness or colors (12.04)

  - by bux

  I've make a fresh install with Ubuntu 12.04. Unfortunatly i've a problem with colors and brightness settings. Before reinstall of Ubuntu, i used Ubuntu 10.10 with same graphic card, and same nvidia drivers. Note: Only nvidia proprietary drivers works for my GeForce 8600 GTS. Exemple: With nvidia-settings: adjust colors, brightness: no effects With xgamma -gamma 0.5 : no effects Try to use f.lux or redshift: no effects I try solutions found on internet like here but no working to. Any idea ?

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• Cannot get Atheros AR9285 to work on 12.10

  - by user100449

  I've already went through all possible advices and still cannot start my Atheros AR9285 wireless card. I have a laptop Toshiba Portege Z830 where the WiFi already worked under Windows 7. But after migration on Ubuntu 12.10. I'm not able get it work. This is what I see on command lshw *-network UNCLAIMED description: Network controller product: AR9285 Wireless Network Adapter (PCI-Express) vendor: Atheros Communications Inc. physical id: 0 bus info: pci@0000:02:00.0 version: 01 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:c0500000-c050ffff This is what I see on command rfkill list 0: Toshiba Bluetooth: Bluetooth Soft blocked: yes Hard blocked: no 1: hci0: Bluetooth Soft blocked: yes Hard blocked: no Any idea?

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• What's the difference or purpose of a file format like ELF when flat binaries take up less space and can do the same thing?

  - by Sinister Clock

  I will give a better description now. In Linux driver development you need to follow a specification using an ELF file format as a finalized executable, i.e., that right there is not flat, it has headers, entry fields, and is basically carrying more weight than just a flat binary with opcodes. What is the purpose or in-depth difference of a Linux ELF file for a driver to interact with the video hardware, and, say, a bare, flat x86 16-bit binary I write that makes use of emulated graphics mode on a graphics card and writes to memory(besides the fact that the Linux driver probably is specific to making full use of the hardware and not just the emulated, backwards compatible memory accessing scheme). To sum it up, what is a difference or purpose of a binary like ELF with different headers and settings and just a flat binary with the necessary opcodes/instructions/data to do the same thing, just without any specific format? Example: Windows uses PE, Mac uses Mach-O/PEF, Linux uses ELF/FATELF, Unix uses COFF. What do any of them really mean or designate if you can just go flat, especially with a device driver which is system software.

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• What To Do If You Get a Virus on Your Computer

  - by Chris Hoffman

  Whether you saw a message saying a virus was detected or your computer seems slow and unreliable, this guide will walk you through the process of dealing with your infection and removing the malware. While many viruses and other types of malware are designed simply to cause chaos, more and more malware is used by organized crime to steal credit card numbers and other sensitive data. Why Enabling “Do Not Track” Doesn’t Stop You From Being Tracked HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference

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• 13.04 gnome problem with drag and drop and text selection

  - by Laurent BERNABE

  I have an ubuntu 13.04 gnome 64 bits, but since a few days I am facing serious problem for doing simple drag an drop : in nautilus, in eclipse, in the browser. Also I can't manage to select text areas with the mouse (the only way I found is to double click on the first word, then expand selection with shift and arrows keys). I noticed that often, after having started a drag n drop, it is cancelled though I did not release the left mouse ! It is as if for each simple mouse clic : two was done ! My graphic card is an ati radeon hd 4330, and I had installed the default purposed driver. I don't know if I should give you results from some terminal commands, as I don't know which could be useful. Thanks in advance.

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• Ubuntu Wubi Booting Problem

  - by D3s7

  i have a problem with my Ubuntu 12.04 Wubi installation, sometimes when booting, the computer will get to the purple screen without the Ubuntu logo, then will go to a black screen and then lots of white saccaged colors will appear and i will be taken to the login page. But sometimes, it just get stuck on the black screen and does nothing and i have to hard shutdown and retry it until it works. What may cause this problem and why? I can shutdown correctly. Thanks for helping. Edit: RADEON HD 7650M Graphic card with latest available Drivers on amd's driver download site (fglrx drivers caused shutdown problems so i removed them). Screen resolution is 1600x900.

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• Ubuntu hanging problem

  - by JMearsXS

  I have a problem with ubuntu 12.04 LTS on my custom tower pc in which the OS hangs at specific points:- - live usb with persistence: hangs when mouse appears. - installed to hard disk: hangs after login, logon sound never plays. i am a relative newbie with linux so any terminal output would not make sense to me :) the pc specs are as follows: - MSI MS-7301 Cuba motherboard - 3GB DDR2 RAM (NOT dual channel) - ATI Radeon HD 5450 gfx card the live usb works fine on all other PC's i tried it on. could any one help me ?

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• Is it Considered Good SQL practice to use GUID to link multiple tables to same Id field?

  - by Mallow

  I want to link several tables to a many-to-many(m2m) table. One table would be called location and this table would always be on one side of the m2m table. But I will have a list of several tables for example: Cards Photographs Illustrations Vectors Would using GUID's between these tables to link it to a single column in another table be considered 'Good Practice'? Will Mysql let me to have it automatically cascade updates and delete? If so, would multiple cascades lead to an issues? UPDATE I've read that GUID (a hex number) Generally takes up more space in a database and slows queries down. However I could still generate 'unique' ids by just having the table initial's as part of the id so that the table card's id would be c0001, and then Illustrations be I001. Regardless of this change, the questions still stands.

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• Broadcom 4365 wireless driver on 12.04 with 3.4 / 3.5 kernel

  - by zaid

  I used this package to install the driver on 3.2 Kernel and it was working perfectly. Unfortunately the system used to freeze randomly with 3.2 kernel so I installed 3.4 kernel, now there is no freezing, the only problem is that my wifi card is not working, I tried to re-install the package, but didn't work. I can see the driver in the "additional drivers" and it say that it is active, but when I execute iwconfig it doesn't show up. I've even tried ndiswraper and that didn't work either. my lspci: 01:00.0 Network controller: Broadcom Corporation Device 4365 (rev 01)

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• problem connecting to wifi at long range

  - by user171849

  I am using a compaq 8510p with internal wifi. The campground supplies an open wifi hotspot, to which I can connect at close range (30 ft) but not at longer range (300 ft). Connecting a usb dongle just confuses things. The dongle tries to lock on to all the wifi networks in my vicinity. They are password protected, but my laptop still tries to connect. I connected a cantenna via usb port and got a signal which said I was connected, but all web pages returned error 'unable to connect to server', despite having three bars showing on the wifi icon. I believe it because the installed wifi card interacts with the usb dongle. If so what can I do about it? I am using Ubuntu 12.04.

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• How do i fix the slow scroll in browsers and high XOrg cpu usage

  - by Virgil

  I am facing an issue while scrolling in browsers(firefox, chrome, and opera) , scroll is jagged and slow. Also when scrolling the cpu usage spikes. I am currently running ubuntu natty(beta 1), switched from ubuntu 10.10 where the problem was worse. I am using the nvidia beta driver, which ubuntu installed automatically. My graphic card is nvidia Quadro NVS 150M. I tried running ubuntu without the effects on , but when using multiple applications at the same time xorg usage spikes again. Additional info: 2GB of RAM and an intel core 2 duo processor. Any help would be greatly appreciated. Thanks in advance!

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• Stuck on busybox after a fresh install

  - by user54841

  I installed 11.10 and was getting stuck on Busybox unless I type exit. After grabbing the latest updates it then didn't get stuck on busybox but instead on a black screen of nothingness. I've now reformatted and started again using the exit technique for the time being. I had a search here before posting and none of the answers gave much insight, other than it 'could be a gfx card driver issue'. I'm using new hardware that has no issues with Mint, Win7 or WinXp. BUT note, I'm not dual booting, its a complete fresh install formatting the entire drive. Any help is appreciated as I'd really like to get stuck into Ubuntu. Thanks in advance. -Luke

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• broadcom 43225 wireless on acer laptop is disabled

  - by Robbie

  I have a acer aspire 5820T with a broadcom 43225 wireless card. I previously used ubuntu 10.10 and the wireless worked straight away, but when I updated to 11.04 the wireless stopped working. I have managed to get the wireless hardware to switch on for a couple of seconds before turning off (When you turn the wireless on using the manual switch the wireless light stays on for a couple of seconds and in the drop down connections menu the information under wireless networks changes from 'device not ready' to 'Disconnected' but shows no wireless networks despite there being one). So far I have tried installing an additional driver, and also disabling the additional driver and installing b43-fwcutter and firmware b43 installer. There may have been other things that I've found in searches that i've tried but unfortunately I can't remember them. Any help would be appreciated.

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• Issues with nVidia GeForce 210 while watching movies

  - by David ???

  Ever since 10.04 I have been trying to resolve an issue with my graphics card - nVidia GeForce 210. I'm having issues when I watch movies - they are jumping all the time, even with Compiz disabled and when that is the only thing I am doing. I have tried the solution to How to get NVidia GeForce GT 210 drivers working on Lucid Lynx? but it didn't work. How can I fix this? Here are the steps I took: apt-get --purge remove xserver-xorg-video-nouveau edit /etc/default/grub to add the line GRUB_CMDLINE_LINUX="nouveau.modeset=0" sudo update-grub Reboot Download official Linux drivers from nVidia site. sh filename-of-downloaded-driver-package

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• New customer references for Exadata-based projects

  - by Javier Puerta

  Milletech Systems, Inc. shows a large state university how to improve query response times 15-fold using its grant management solution built on Oracle’s Extreme Performance Infrastructure. Read More. Ação Informática helped Valdecard realize a 15-Fold Improvement in Fleet-Management and Benefit Card Data Processing using Oracle Exadata Machine. Read More. Neusoft deployed Benxi Municipal Human Resources and Social Security Bureau’s cloud-based database platform to process social insurance payments 50-times faster using Oracle Exadata Database Machine. Read More.

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• Wireless connects but can not connect to internet

  - by Dan

  I'm using Ubuntu 11.04 and I'm having trouble connecting to internet via wifi. Ethernet cable works though. So when I log on it auto logs on to my wifi connection at home but after about a minute or so it gives me a popup: network disabled something about .local domain and something about Avahi network (sorry if you need more on what the popup says I will reboot and look at it again). I am using Atheros wireless card. My laptop is Asus G73SW and on the forum at notebookreview.com G73SW Owner's Lounge people said they had no problem with connecting via wifi from install. Please help me because I would love to keep using this beautiful OS.

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