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• getting started with SMS developement

  - by I__

  i will have the following set up: people will be sending text messages to a server, and that server will be forwarding the messages to other phone numbers i am not sure what kind of framework i should use. should i develop an SMS gateway and use AT commands? should i just try to somehow use AIM or GCHAT to capture and send SMS messages? would there be a different more suitable configuration? are there already developed frameworks that are free which i can use? for example i know that i can send an SMS to almost anyone through gchat or aim by sending a message to "+" and the number of the person. is this scalable and can i use it for my own benefit? any sms developers out there?

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• Ubuntu Server login not recognizing the keyboard after entering username.

  - by Jeff Malewski

  I'm having similar issues with logging into ubuntu server. chief problem is that once I enter my user name & hit enter, I can't enter anything ffor my password - it won't accept any keystrokes until I press Ctrl+any key. Once I've pressed Ctrl+ any key, I'm able to type again, but have never been able to enter any more than 3 characters before the 60 sec time limit. This problem is present on fresh installs of both 10.04 & 9.10. Part of the problem is lkely to be my antique pc which is an old Emachines Trigems I850 based mbd and an equally ancient Nvidia 4x AGP video card. Initially I was going to install Ubuntu 10.10, but with ORCA running with both screen reader and full screen magnification crashed the system & smoked a stick of Rambus memory. Is there any fix to this problem? Jeff

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• Choose an output audio device different from the default on WMP 11

  - by GetFree

  I like to play my music through a Hi-Fi audio equipment and everything else (like windows sounds, web videos and such) through my default PC speakers. On WIndows XP I had WMP 9 and I could do that with no problems since I can choose what audio device (which sound card) to use, and that selection is for WMP only, which can be different from Windows' default audio device. But now that I have Windows Vista and WMP 11 I cannot longer choose an audio device just for WMP, or at least I can't find a way to do it (the control in the options dialog is no longer there). Was this useful feature really removed from WMP 11? or there is some other way to do it?

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• Erubis block helper throwing error with concat

  - by DEfusion

  I have a couple of block helpers, here's a simple example of what I'm doing: def wrap_foo foo, &block data = capture(&block) content = " <div class=\"foo\" id=\"#{foo}\"> #{data} </div>" concat( content ) end I'm just trying out erubis and it's giving me the following error: You have a nil object when you didn't expect it! You might have expected an instance of Array. The error occurred while evaluating nil.<< Removing the call to concat removes the error but ends up with my wrapper not being rendered Using: Rails 2.3.5 Erubis 2.6.5 And tried this gem that helps Erubis (though 2.6.4) and Rails 2.3 play better together

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• Adding additional components to a web page after rendering by Wicket

  - by Andrew Fielden

  I have a requirement to create a web page using Wicket 1.5, which can present a variable number of panels to capture user input. All the panels have the same structure. The page would start off with one panel, and includes a button to dynamically add more as required. So the number of panels is unknown at the time the page is initially rendered. Effectively I'd be altering the structure of the page dynamically. This is possible in Javascript, using document.addElement() I've done a similar thing in the past by creating all the components on page load, and selectively showing/hiding components. The difference here is that the number of components (panels) is initially unknown. I'm unsure as to how this would be achieved with Wicket.

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• DB auto failover in c# does not work when the principal server physically goes offline

  - by user62521

  I'm setting up DB auto failover in C# with SQL Server 2008 and I have a 'high safety with automatic failover mirror' using a witness setup and my connection string looks like "Server=tcp:DC01; Failover Partner=tcp:DC02; database=dbname; uid=sewebsite;pwd=somerndpwd;Connect Timeout=10;Pooling=True;" During testing, when I turn off the SQL Server service on the principal server the auto failover works like a charm, but if I take the principal server offline (by shutting down the server or killing the network card) auto failover does not work and my website just times out. I found this article where the second last post suggests that its because we are using named pipes which does not work when the principal goes offline, but we force TCP in our connection string. What am I missing to get this DB auto failover working?

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• "Verifying DMI Pool" hang caused by raid array..

  - by Ling

  Hi Experts, I have a problem, I obtained a new server with 4 hard drives (2 500 gig, 2 two TB), and an adeptec RAID card. I arranged them in two arrays with RAID 1 (500 gigs together as primary and the 2 TB drives for lots of data). When both arrays are configured, the server hangs while booting at message "Verifying DMI Pool", however if I remove the second array from the configuration the server boots fine. I have checked they are both on different channels, I have disabled all other peripherals from the boot menu and ensured the hard drive is #1. I have booted into the linux rescue mode and checked that it is reading both arrays fine. What else could be causing these problems? Thanks

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• 3 Monitors 2 different graphic cards

  - by Michael

  I am looking to add a third monitor to my workstation. I currently have 2 monitors connected to a geforce gt 120. I am wanting to find the cheapest solution on adding another monitor, I have a old ati x300 laying around and wanting to know if I would be able to use that to power the other monitor and if it would conflict with my other graphic card (I am not a gamer). What I want to do is have the at x300 power 1 monitor via dvi and the gt 120 power 2 monitors via vga and dvi. Thanks edit: im running windows 7 64bit

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• Most useful techniques for two way data binding with js

  - by Perpetualcoder

  With abundance of web services and client side templating features of jQuery and likes, creating mashups or sites consuming a multitude of web services and posting data back to these services is becoming exceedingly popular. For a page of decent size with this kind of architecture, say a dashboard. What are the useful techniques of maintaining this client side state. In other words whats are some of the ways to do two way databinding? Sample scenario: Get Data From Service as JSON/XML Display/Bind on UI Capture User Input Recreate request from the UI controls/html Post Data To Service Get Response and Rebind

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• unknown monitor in lenova laptop

  - by kumar

  I have set of two lenova laptops in which Fedora core 13 is installed. In one machine, the monitor is detected properly such that It is possible to connect another monitor. But In another laptop, monitor is shown as unknown monitor. I tried to fix it by reinstalling xorg-x11-drv-intel.i686. But the problem remains same(unknown monitor). it is not possible to connect another monitor with this setting. Laptop model: G460. Graphics card: Intel Graphics Media accelerator HD. Thanks!

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• Bridging wireless and wired networks on Linux box

  - by nixnotwin

  I have the following setup: modem + router - - - - -Ubuntu box on master mode.........wireless devises. Ubuntu machine connects to Internet on wired network. I've dhcp3-server, masquerading, and wireless card with master mode on Ubuntu box. The issue is Ubuntu connects to the router on NAT. The wireless devises connect to the Ubuntu box on a NAT too (though different). SO my wireless devises are behind two NAT networks. The solution I am looking for is Ubuntu should forward dhcp requests to the modem+router, and Ubuntu should act as a switch or a bridge that allows wireless devises to connect to the wired network. So the modem+router should act a main router.

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• ubuntu12.04 hangs at checking battery state

  - by crystalbass17

  My 12.04 system hangs at "Checking battery state". At this stage, no commands work eg: ctrl+alt+f1, alt+f5. I ran recovery mode, I ran the command sudo mount -o remount, rw sudo dpkg-reconfigure gdm and gdm was the only one installed so I didn't get a GUI screen. I have an integrated graphics card "Intel Corporation Mobile 4 chipset Integrated Graphics Controller (rev 07)". So I cannot install nvidia drivers as everyone else suggests. I have gone through several similar questions but everyone suggests reconfiguring gdm or reinstalling graphic drivers. I did sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get upgrade to get the latest x-swat drivers. The system still hung at the same line. The other option is to reinstall ubuntu, which is out of the question, since we have a very specific install for our project where the settings are very hard to duplicate. Suggestions/Comments welcome.

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• Laptop windows 7 power settings - screen display goes black after 1 minute

  - by Puneet Dudeja

  My laptop windows 7 power settings are not working since last week, i have tried using "Dim display after 5 hours" and "Dim Never" also, but my screen goes black after 1 minute. Any resolutions ? My laptop model is : Compaq Pressario CQ62 Graphics Card Information: Name Intel(R) HD Graphics PNP Device ID PCI\VEN_8086&DEV_0046&SUBSYS_1425103C&REV_02\3&11583659&0&10 Adapter Type Intel(R) HD Graphics (Core i3), Intel Corporation compatible Adapter Description Intel(R) HD Graphics Adapter RAM 1.21 GB (1,303,306,240 bytes) Installed Drivers igdumd64.dll,igd10umd64.dll,igdumdx32,igd10umd32 Driver Version 8.15.10.2119 INF File oem17.inf (iILKM0 section) Color Planes Not Available Color Table Entries 4294967296 Resolution 1366 x 768 x 59 hertz Bits/Pixel 32 Memory Address 0xD0000000-0xD03FFFFF Memory Address 0xC0000000-0xCFFFFFFF I/O Port 0x00004050-0x00004057 IRQ Channel IRQ 4294967294 I/O Port 0x000003B0-0x000003BB I/O Port 0x000003C0-0x000003DF Memory Address 0xA0000-0xBFFFF Driver c:\windows\system32\drivers\igdkmd64.sys (8.15.10.2119, 9.85 MB (10,326,784 bytes), 4/21/2010 6:18 PM) I am not able to solve my problem from any of the answers till now. The screen still goes dark and password screen appears after 1 minute of idle time.

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• Dell Latitude E6400 power button and wireless not working or only working intermittently

  - by Droid

  The power button on the laptop stopped working randomly as of a day or two ago. I can only power the laptop on if its attached to a docking station, on which I can use the power button to turn on/off the laptop. Today the wireless card stopped working (the wifi light does not turn on, even after I turn on the wireless switch). What is the problem and how can I fix it? The laptop is about 1 year old. I have not dropped it, but do carry it around a good amount, including docking it/undocking it frequently.

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• How to quickly switch monitors on multi-monitor setup? (W7)

  - by Saxtus

  At my desktop PC, I have 3 displays hooked up on my Palit GeForce GTX 480 to extend my desktop: DVI: Samsung SyncMaster T220 (22" 16:10, 1680x1050, as my main) DVI: Samsung SyncMaster 940BF (19" 4:3, 1280x1024) HDMI: Sony Bravia KDL-32D3000 (32" 16:9, 1360x768) As expected, the GFX card can only utilize 2 of the displays at any given time, so I have to manually switch using Windows' "Display Properties" dialog, each time I want to switch between them. I've tried UltraMon, DisplayFusion and PowerStrip (so please don't refer me to a question where those are given as solutions) but they are unable to switch monitors. Instead they can only change display resolutions and settings on the existing active monitors, with specially weird results when I've saved the monitor states and then tried to switch monitors using the saved states! Any idea on how to bypass the awful "Display Properties" dialog and it's "confirm your change" timer? Thanks in advance.

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• getting a 404/403 error for payment gateway

  - by Obay Ouano

  We are setting up an online payment facility using a payment gateway. After the payment gateway finishes processing the credit card details for a payment, the user is redirected to a "403 Forbidden" page. The logs show: [MY_IP_ADDRESS_HERE] - - [SOME_DATE_HERE] "GET /POSTBACK_URL.php?txnid=1338434567&result=failure&reason=The+remote+server+returned+an+error%3a+(404)+Not+Found.&digest=7a115270c56df5945c43ad86e56b2e930a3cfd50 HTTP/1.1" 404 - "PAYMENT_GATEWAY_URL_HERE" "BROWSER_DETAILS_HERE" It means that when the PAYMENT_GATEWAY_URL attempts to open our POSTBACK_URL, it gets a 404 error, is that correct? But why does the page say "403 Forbidden"? Anyway, we tried to copy-paste that same URL into the browser window, and the page is opened successfully, with our programmed error notification message. So, why couldn't it be opened when the payment gateway tried to redirect to it, but we could? Is this some sort of permissions issue? If so, the postback URL's file permissions are already 755. What am I missing?

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• Laptop VGA Output Stopped Working

  - by Jack7890

  I regularly use an external monitor with my laptop. Today, when I booted up, the external monitor refused to work--it just keeps going into power save mode. I tried a different external monitor and had the same problem, so it must be a problem with the laptop itself. Things I've tried: Going into the Display Settings via the Control Panel (I'm running Vista) and attaching/unattaching/reattaching the external monitor. Turning the computer off, unplugging, plugging it back in, and rebooting Blowing into the VGA out to get rid of any dust Toggling through the Fn+F7 options I'm thinking maybe this is an issue with my video card? If necessary, I'm comfortable opening up my laptop and playing around with things, but I'm not sure what to look for. Does anyone have any suggestions?

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• Development environment for embedded system

  - by Howard Lee Harkness

  I need to develop software in C/C++ for an embedded system. I have Debian 6 running off of a USB hard drive. I would like to be able to generate a stripped-down kernel with modules, and install them either on a CF card or a USB 'thumb' drive. I succeeded in building a Linux 3.6 kernel and running it in Debian off of the USB hard drive, but I am having trouble figuring out how to install it on the thumb drive. I would like a build cycle that looks like this: 1) Build module or kernel with desired software 2) Install it on thumb drive 3) Boot and test I would like to use the same system for both development and testing, if that is feasible. I am looking for resources and tutorials that would help me understand how to do this.

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• Have 3 Monitors Display the same thing? (WinXP)

  - by Drew Tenenbaum

  I have a setup in which there is a Computer running windows XP, with 3 monitors plugged into it, with a "Matrox Millennium P750" Graphics card. What I want is to enable mirroring of ALL THREE MONITORS, meaning I want all the monitors to display the same image. In Matrox Powerdesk, it does not have an option to do this, and I'm pretty sure that Windows XP does not support it nativley. I really should only need some software/drivers, right? What can i do to display the same thing on 3 screens?

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• Searching Database by Arbitrary Date in PHP

  - by jverdi

  Suppose you have a messaging system built in PHP with a MySQL database backend, and you would like to support searching for messages using arbitrary date strings. The database includes a messages table, with a 'date_created' field represented as a datetime. Examples of the arbitrary date strings that would be accepted by the user should mirror those accepted by strtotime. For the following examples, searches performed on March 21, 2010: "January 26, 2009" would return all messages between 2009-01-26 00:00:00 and 2009-01-27 00:00:00 "March 8" would return all messages between 2010-03-08 00:00:00 and 2010-01-26 00:00:00 "Last week" would return all messages between 2010-03-14 00:00:00 and 2010-03-21 018:25:00 "2008" would return all messages between 2008-01-01 00:00:00 and 2008-12-31 00:00:00 I began working with date_parse, but the number of variables grew quickly. I wonder if I am re-inventing the wheel. Does anyone have a suggestion that would work either as a general solution or one that would capture most of the possible input strings?

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• Dell Studio XPS 16 Runs Hot

  - by dtbarne

  Specs: 1920x1080 i7 1.6 GHz quad core 6GB RAM 1GB ATI Radeon HD 6570M/5700 Series 500GB 7200rpm Hard Drive Love this laptop for many reasons, but it constantly runs hot (CPU is low 70s with basic tasks and often 80+ is not uncommon) and I'm finding it too much to deal with. The laptop feels very hot (almost too hot for a lap) and often gets so hot that the OS slows down or freezes altogether. I've tried cleaning it out and even replacing the thermal paste. I often use an external cooler, but it only helps 3-5 degrees and it's a pain to have to use. I've come to the conclusion that it just runs hot. I have two questions: What is to blame? The i7 processor, the gfx card, or is it just that this laptop has poor cooling? Does the Dell XPS 15 run cooler? I'm looking at replacing my current laptop, but I don't want to run into the same problem.

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• How long to erase flash memory (RAID controller)?

  - by Rob Nicholson

  I made a bit of a boo boo last night in upgrading the BIOS in a Silicon Image Sil3132 eSATA adapter. It's a RAID controller in a server. I accidently flashed it with the wrong BIOS ;-) Not the end of the world as this card only cost £15 but I'm trying to flash it with the correct BIOS as it won't obviously work anymore. Silicon Image supply a DOS program for flashing and I thought I'd use the Erase function to get rid of the old BIOS. Any idea how long this should take? It's been sat at the "Erasing memory" prompt for about 15 minutes. Thanks, Rob.

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• Problem with blue-sceens

  - by Oystein

  Hi I have a problem with my computer. I get bluescreens a lot. I get different bluescreen-codes everytime, and this happens randomly. This can happen when I boot my computer, when I'm surfing on the internett, when I'm away from the computer and are logged out... I tried to disconnect everything that was connected to my computer, beside the monitor. That didn't help. I have reinstalled Windows, changed memory, changed video card, but nothing of this helped, I still get bluescreens. I guess the problem here is the mothercard, CPU or HDD. But I want your opinion before I order anything new to my computer. Can you tell me what the problem is?

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• Is DevCon.exe still the best way to restart/power cycle USB ports after resuming from hibernation in

  - by ProfessionalAmateur

  I have a USB broadband card on my Windows 7 laptop. It loathes resuming from hibernation properly. Back in the XP days I would issue a call devcon.exe from the command prompt and restart the selected ports (Saves you having to manually unplug and plug back in your USB devices). Ive been trying this is Windows 7, but the UAC keeps getting in the way. I'll start a command prompt. Issue the devcon command, but UAC asks me if I really want to do this, when I click yes it opens a different command prompt and launches the command. After the command completed this new prompt window closes faster than the speed of light and I cannot see the results. So Im thinking there has to be a better way to do this in the Vista/Win7 world...?

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• Laptop VGA Out Stopped Working

  - by Jack7890

  I regularly use an external monitor with my laptop. Today, when I booted up, the external monitor refused to work--it just keeps going into power save mode. I tried a different external monitor and had the same problem, so it must be a problem with the laptop itself. Things I've tried: Going into the Display Settings via the Control Panel (I'm running Vista) and attaching/unattaching/reattaching the external monitor. Turning the computer off, unplugging, plugging it back in, and rebooting Blowing into the VGA out to get rid of any dust Toggling through the Fn+F7 options I'm thinking maybe this is an issue with my video card? If necessary, I'm comfortable opening up my laptop and playing around with things, but I'm not sure what to look for. Does anyone have any suggestions?

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