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  • Control mouse pointer with keyboard without a number pad

    - by mloman
    I have dell laptop which does not have a numberpad, only a set of numbers above the qwerty layout. I want to be able to control the mouse cursor with my arrow keys. I activated the mouse keys by going to "System Setting" - "Universal Access" - "Pointing and Clicking" and activate "Mouse Keys" But still, I am unable to control the mouse cursor. How do I get this going so I don't have to take my hands off the keyboard?

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  • SQL Server Connections Fall 2011 - Demos

    - by Adam Machanic
    Today is the last day of the annual SQL Server Connections show in Vegas, and I've just completed my third and final talk. (Now off to find a frosty beverage or two.) This year I did three sessions: SQL302: Parallelism and Performance: Are You Getting Full Return on Your CPU Investment? Over the past five years, multi-core processors have made the jump from semi-obscure to commonplace in the data center. While servers with 16, 32, or even 64 cores were once an out-of-reach choice for all except the...(read more)

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  • Ubuntu 12.04 - Wakes from Suspend by itself

    - by Peter
    This problem has only just started and I don't know what has changed to cause it. I suspend my ubuntu 12.04 PC and it used to stay asleep until I hit the enter key to wake it up but for the last week or so it's been waking itself up. I've checked the BIOS settings and all the Wake on Lan settings are Disabled. I've used the ethtool command and the wake on lan is set to "d" which I've read been off. Can anyone suggest anything?

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  • Will Beej's Guide to Network programming point me the right way to be able to make multiplayer games and a web broswer?

    - by Logan545
    I'm new to socket programming in C, and I've found the Beej's Guide to Networking programming. It looks fine and all, however, I just wanted to ask whether this tutorial will point me in the right direction in terms of network programming. I plan to build a game in opengl that will be multiplayer using c+ and possibly a web browser. I know this tutorial would by no means teach me how to do this, but would this be a good way to start off on my path?

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  • Passoker Online Betting Use of Oracle NoSQL Database

    - by Charles Lamb
    Here's an Oracle NoSQL Database customer success story for Passoker, an online betting house. http://www.oracle.com/us/corporate/customers/customersearch/passoker-1-nosql-ss-1863507.html There are a lot of great points made in the Solutions section, but as a developer the one I like the most is this one: Eliminated daily maintenance related to single-node points-of-failure by moving to Oracle NoSQL Database, which is designed to be resilient and hands-off, thus minimizing IT support costs

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  • Fuji camera "mounts" but folder not in Dolphin After Kubuntu 13.10 upgrade

    - by user207207
    Fuji camera mount reported in attached devices but not visible in Dolphin After Kubuntu 13.10 upgrade Have reinstalled the driver, and a few other suggestions, for other cameras mounts failing on previous Ubuntu upgrades. I have already spent a couple of hours trying to get my photo's off the camera, very annoying. Worked perfectly in 11.04, 11.10, 12.04, 12.10 and 13.04. dmesg | tail; lsusb; lsb_release -a [ 6181.858786] CPUM: APIC 03 at 00000000fee00000 (mapped at ffffc90009400000) - ver 0x80050010, lint0=0x10700 lint1=0x10400 pc=0x00400 thmr=0x10000 [17261.396236] CPUM: APIC 00 at 00000000fee00000 (mapped at ffffc90000c6a000) - ver 0x80050010, lint0=0x10700 lint1=0x00400 pc=0x00400 thmr=0x10000 [17261.396239] CPUM: APIC 03 at 00000000fee00000 (mapped at ffffc90000c72000) - ver 0x80050010, lint0=0x10700 lint1=0x10400 pc=0x00400 thmr=0x10000 [17261.396241] CPUM: APIC 02 at 00000000fee00000 (mapped at ffffc90000c70000) - ver 0x80050010, lint0=0x10700 lint1=0x10400 pc=0x00400 thmr=0x10000 [17261.396255] CPUM: APIC 01 at 00000000fee00000 (mapped at ffffc90000c6e000) - ver 0x80050010, lint0=0x10700 lint1=0x10400 pc=0x00400 thmr=0x10000 [32456.884907] usb 2-5: new high-speed USB device number 2 using ehci-pci [32457.654046] usb 2-5: New USB device found, idVendor=04cb, idProduct=01e8 [32457.654050] usb 2-5: New USB device strings: Mfr=0, Product=2, SerialNumber=3 [32457.654052] usb 2-5: Product: Digital Camera [32457.654053] usb 2-5: SerialNumber: 4C3230302020091117CAA59WP18548 Bus 002 Device 002: ID 04cb:01e8 Fuji Photo Film Co., Ltd Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 003: ID 2013:024f PCTV Systems nanoStick T2 290e Bus 001 Device 002: ID 046d:082d Logitech, Inc. HD Pro Webcam C920 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub No LSB modules are available. Distributor ID: Ubuntu vissibleDescription: Ubuntu 13.10 Release: 13.10 Codename: saucy sudo apt-get install gvfs-bin gvfs-mount gphoto2://[usb:002,002] Error mounting location: Error initializing camera: -108: No such file or directory ...... I have reported a bug in Dolphin, which has been transferred to Solid. Further information : I ran solid-hardware list details udi = '/org/kde/solid/udev/sys/devices/pci0000:00/0000:00:04.1/usb2/2-5' parent = '/org/kde/solid/udev' (string) vendor = '04cb' (string) product = 'Digital Camera' (string) description = 'Camera' (string) Block.major = 189 (0xbd) (int) Block.minor = 137 (0x89) (int) Block.device = '/dev/bus/usb/002/010' (string) Camera.supportedProtocols = {'ptp'} (string list) Camera.supportedDrivers = {'gphoto'} (string list) I still can't get my photo's off, I can see the folders using the Gimp menu. If anyone has got any ideas, I'm willing to try them.

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  • Has test driven development (TDD) actually benefited a real world project?

    - by James
    I am not new to coding. I have been coding (seriously) for over 15 years now. I have always had some testing for my code. However, over the last few months I have been learning test driven design/development (TDD) using Ruby on Rails. So far, I'm not seeing the benefit. I see some benefit to writing tests for some things, but very few. And while I like the idea of writing the test first, I find I spend substantially more time trying to debug my tests to get them to say what I really mean than I do debugging actual code. This is probably because the test code is often substantially more complicated than the code it tests. I hope this is just inexperience with the available tools (RSpec in this case). I must say though, at this point, the level of frustration mixed with the disappointing lack of performance is beyond unacceptable. So far, the only value I'm seeing from TDD is a growing library of RSpec files that serve as templates for other projects/files. Which is not much more useful, maybe less useful, than the actual project code files. In reading the available literature, I notice that TDD seems to be a massive time sink up front, but pays off in the end. I'm just wondering, are there any real world examples? Does this massive frustration ever pay off in the real world? I really hope I did not miss this question somewhere else on here. I searched, but all the questions/answers are several years old at this point. It was a rare occasion when I found a developer who would say anything bad about TDD, which is why I have spent as much time on this as I have. However, I noticed that nobody seems to point to specific real-world examples. I did read one answer that said the guy debugging the code in 2011 would thank you for have a complete unit testing suite (I think that comment was made in 2008). So, I'm just wondering, after all these years, do we finally have any examples showing the payoff is real? Has anybody actually inherited or gone back to code that was designed/developed with TDD and has a complete set of unit tests and actually felt a payoff? Or did you find that you were spending so much time trying to figure out what the test was testing (and why it was important) that you just tossed out the whole mess and dug into the code?

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  • How to Boot from iRAM Solid State Drive on Ubuntu

    - by quickshiftin
    I've got an iRAM solid state drive. I'd like to use this to store a linux root filesystem; the trouble is the device is not recognized as a hard drive to the BIOS. It only shows up if a live CD environment is loaded and the scsi drivers are available (may be other drivers needed as well). I've heard of Boot to Ram and wonder if some variation of that could work here and I could run a linux install off the iRAM??

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  • Oracle Virtualization Friday Spotlight - November 8, 2013

    - by Monica Kumar
    Hands-on Private Cloud Simulator In One Hour Submitted by: Doan Nguyen, Senior Principal Product Marketing Director My aeronautics instructor used to say, "you can’t appreciate flying until you take flight." To clarify, this is not about gearing up in a flying squirrel suit and hopping off a cliff (topic for another blog!) but rather about flying an airplane. The idea is to get hands-on with the controls at the cockpit and experience flight before you actually fly a real plane. After the initial 40 hours of flight time, the concept sank in and it really made sense.This concept is what inspired our technical experts to put together the hands-on lab for a private cloud deployment and management self-service model. Yes, we are comparing the lab to a flight simulator! Let’s look at the parallels: To get trained to fly, starting in the simulator gets you off the ground quicker. There is no need to have a real plane to begin with. In a hands-on lab, there is no need for a real server, with networking and real storage installed. All you need is your laptop The simulator is pre-configured, pre-flight check done. Similarly, in a hands-on lab, Oracle VM and Oracle Enterprise Manager are pre-configured and assembled using Oracle VM VirtualBox as the container. Software installations are not needed. After time spent training at the controls, you can really appreciate the practical experience of flying. Along the same lines, the hands-on lab is a guided learning path, without the encumbrances of hardware, software installation, so you can learn about cloud deployment and management.  However, unlike the simulator training, your time investment with the lab is only about an hour and not 40 hours! This hands-on lab takes you through private cloud deployment and management using Oracle VM and  Oracle Enterprise Manager Cloud Control 12c in an Infrastructure as a service IaaS model. You will first configure the IaaS cloud as the cloud administrator and then deploy guest virtual machines (VMs) as a self-service user. Then you are ready to take flight into the cloud! Why not step into the cockpit now!

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  • Chrome OS is missing or damaged

    - by Ken
    My Google Chrome CR-48 started flaking out/rebooting and finally this message.  This post solved the problem quite easily. http://cr-48.wikispaces.com/Reseat+SSD+Cable Two hints: 1) you need to pull off the rubber feet to get at some screws. 2) the real problem is the little white clip under the cable.  Don’t worry about reseating anything, Just push the cable back on and the little white clip back up to snap in place and hold the cable.

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  • Opinions on .gr (Greek) registrars?

    - by Marc Bollinger
    None of the previous questions tackle some of the one-off (or further) countries' registries, beyond .co.uk, .it, et al. or else I'd have found an answer myself. I'm just looking for information for a vanity domain, so obviously I'm alright without an answer, but it's an unasked question (or at least, unanswered), and I'm not exactly in a hurry to give my credit card information over country lines, sight unseen.

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  • I need help with specific types of movement.

    - by IronGiraffe
    I'm adding movable crates to my game and I need some help with my movement code. The way I've set up my movement code the crate's X and Y are moved according to a vector2 unless it hits a wall. Here's the movement code: if (frameCount % (delay / 2) == 0) { for (int i = 0; i < Math.Abs(cSpeed.X); i++) { if (!Level.PlayerHit(new Rectangle(crateBounds.X + (Math.Sign(cSpeed.X) * 32), crateBounds.Y, crateBounds.Width, crateBounds.Height))) { if (!Level.CollideTiles(crateBounds.X + (Math.Sign(cSpeed.X) * 32), crateBounds.Y, crateBounds.Width, crateBounds.Height)) { if (cSpeed.X != 0) { crateBounds.X += Math.Sign(cSpeed.X); } else { Equalize(2); } } else { cSpeed.X = 0f; } } else { if (!Level.CollideTiles(crateBounds.X - (Math.Sign(cSpeed.X) * 32), crateBounds.Y, crateBounds.Width, crateBounds.Height)) { if (cSpeed.X != 0) { crateBounds.X -= Math.Sign(cSpeed.X); } else { Equalize(2); } } else { cSpeed.X = 0f; } } } for (int i = 0; i < Math.Abs(cSpeed.Y); i++) { if (!Level.PlayerHit(new Rectangle(crateBounds.X, crateBounds.Y + Math.Sign(cSpeed.Y), crateBounds.Width, crateBounds.Height))) { if (!Level.CollideTiles(crateBounds.X, crateBounds.Y + Math.Sign(cSpeed.Y), crateBounds.Width, crateBounds.Height)) { crateBounds.Y += Math.Sign(cSpeed.Y); } else { cSpeed.Y = 0f; } } else { if (!Level.CollideTiles(crateBounds.X, crateBounds.Y - Math.Sign(cSpeed.Y), crateBounds.Width, crateBounds.Height)) { crateBounds.Y -= Math.Sign(cSpeed.Y); } else { cSpeed.Y = 0f; } } } } The frameCount and delay variables just slow down the movement somewhat. Anyway, I've added a tool to my game that acts as a gravity well (drawing objects into it's center; the closer they get to the center the faster they go) and what I'm trying to do is make it so that the crate will bounce off the player (and vice versa) when they collide. Thus far, my code only keeps the crate and player from getting stuck inside each other (the player can still get stuck under the crate, but I'll fix that later.) So what I'd like to know is how I can best make the crate bounce off the player. The other movement problem I'm having is related to another tool which allows the player to pick up crates and move around with them. The problem is that the crate's movement while being carried isn't tied to the movement script (it moves the crate itself, instead of adding to speed), which makes the crate go through walls and such. I know what I have to do: make the crate's speed match the player's speed while the player is holding it, but I need the crate to snap to a certain position (just in front of the player) when the player grabs it and it needs to switch to another position (just in front of the player on the other side) when they player faces the other direction while holding it. What would be the best way to make it switch places while keeping all the movement tied to the speed vector?

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  • Win 2 years free web hosting for your site!!!

    - by mcp111
    EggHeadCafe is giving away a free 2 year Personal Class Account to Arvixe ASP.NET Web Hosting! In fact, all members who enter the drawing below win a 20% discount off a Personal Class Account. The nice thing about Arvixe is that they also accept Google checkout and Paypal. http://www.eggheadcafe.com/tutorials/aspnet/828f2029-b7be-4d15-877c-0d9e9ab74fc5/review-of-arvixecom-web-site-hosting.aspx  Tweet

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  • WmiPrvSE.exe consuming 25% of CPU on Win7

    - by Ken Hortsch
    On my HP laptop the WMI Provider Host was consuming 25% of my CPU.  This just started one day.  The offending process ended up being the HP Wireless Assistant Service, which is not needed as Win7 provides WiFi services. To turn it off: On your desktop right-click on Computer and select Manage Select Services and Applications and double click Services Right click on the HP Wireless Assistant Service and select Properties Change the Startup Type to Manual

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  • What operating systems are used in airplanes, and what programming languages are they developed in?

    - by adhg
    I was wondering if anyone knows what is the operating system used in commercial airplanes (say Boeing or Airbus). Also, what is the (preferred) real-time programing language? I heard that Ada is used in Boeing, so my question is - why Ada? what are the criteria the Boeing-guys had to choose this language? (I guess Java wouldn't be a great choice if the exactly in lift off the garbage collector wakes up).

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  • How to configure an Ubuntu 12.04 virtual server and VMWare ESXi5 the way VMWare would be able to shut it down properly?

    - by Ivan
    I run an Ubuntu 12.04 server as a virtual machine on a VMWare ESXi 5 server. I've configured VMWare to shut the quest machines down the sane way (with an ACPI (if I understand it righ) shutdown signal so that guest OSes would do it). And this works with other VMs (running Windows 7 Professional and openSuSE) but doesn't work with the Ubuntu server - VMWare still offers just to power them off when I ask it to stop the guest. Any ideas how to fix this?

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  • Deleted files still accessible without www in url

    - by phlegma
    I have deleted all files and all hidden files off my server, there is nothing but log files which cannot be deleted. Ironically, files are accessible when nothing is there. Cache cleared, multiple browsers and computers/devices checked. Files show when I exclude "www" from the URL http://sarastringfellow.com/assets/photo/c.jpg http://www.sarastringfellow.com/assets/photo/c.jpg What does this mean?

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  • How can I use my keyboard as a mouse?

    - by Michael Durrant
    I'm using my keyboard more and more these days for basic command line stuff, vim editing, alt-tab window switching and the like. Q) How can I use my number pad keys to move the cursor around on the screen without using the mouse? I looked to try and install btnx as mentioned by others but it doesn't seem to exist anymore as an available package I also tried shift-numlock as mentioned by another but that didn't work either (just turns numlock on/off).

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  • The Significance of SEO

    SEO is not rocket science. It means some simple approaches to mark relevant keywords (on-page optimizations) and link building (off-page optimizations). In many cases SEO means only few simple modifications of the page to emphasize few keywords.

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  • Desparately Need Help: After a mishap, a folder shows 0 files in it

    - by bobby
    I'm hoping some of you guys may be able to shed some light on this scenario: I had a odt document on which I was working from one of many files in a folder among many on an internal hard-drive. Some kind of glitch occured and the document crashed (this could have been some kind of power charge whilst another hard drive was being unmounted). As I looked into the folders surrounding the folder in which my odt document was stored, they start to show 0 files in them. I immediately switched off the PC and then re-started. Upon the re-start, the folders would show the 1,000s of files I've stored in them and then within 5 minutes, as I started to back them up, freeze, cut-off the process of transfer. When I tried to open anything on the internal hard-drive, be it an avi film, an mp3, a cbr or a word doc, they all showed blank or would work. Some folders had vastly less files showing. Eventually, things calmed down. I closed the PC, checked that the connections were in firmly, gave it a vacuum and restarted the PC. All the files eventually showed up and I started to back them up (which I'd brought a hard drive for anyway but been distracted and not done). All folders show except the one which contained the document I was working on at the time of the trouble. Strangely, it was one that should itself full on several occasions on restarts. It shows zero files now. Properties shows zero files and zero space taken by it. Yet when I drop a file into this folder by pasting it in, it disappears too. Opening the folder, there is nothing there. But if I paste that document again, the PC asks would I like to replace the existing file with the same name (that I can't see), when I click yes, the file appears. When I exit, the folder shows the 0 files in the folder. Going back into the folder, it has disappeared again. I'm hoping that someone can help give me tips to recover the files in the folder, it would be greatly, greatly appreciated. All other films, music, comics, documents show and are fine!

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  • The Wonders of Maatkit for MySQL

    <b>Database Journal:</b> "MySQL is a great database for web-facing applications, however, it tends to be a bit rough around the edges. Enter Maatkit, a great toolkit with a bewildering array of command line tools that fill the gap where MySQL's native tools leave off. From data replication to query profiling and optimizing, Maatkit has tools to make you smarter, and help you get your job done."

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