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  • How do I restore a partition without losing the data?

    - by sama
    I lost the D-partition in My Computer I opened My Computer, but couldn't find it and I don't know where it is or how to return it. I went to Disk Management and found it available as free space. So I tried to make it NTFS, but I had to format the drive and I don't want to, since it will erase my data. Does anyone know how I can restore my partition without losing my data?

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  • VMWare Workstation Dev Machine Disks: one fast or four echofriendly raid?

    - by Avi
    I'm building a new dev computer. It will be running a few VMWare Worksation virtual machines - A dev machine running VS-2010, a build machine, a version-control machine, a web server for testing, a "personal" machine running office etc. I'll be connecting the computer to my stereo, so I'll also be running iTunes (possible on a dedicated VM) and I want the computer to be a silent one. I'll probably use an Antec P183 case. I was advised on Serverfault to use Raid10 for performance. Raid 10 uses 4 disks. So, my question is as follows: In terms of heat, noise, reliability, warranty, price, capacity and performance, what would you suggest: A Raid10 4 disk array using eco-friendly disks such as the $94 1TB Western Digital Caviar Green, or one high performance disk such as the 2TB Western Digital Caviar Black at $280?

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  • Server with 3 Disk, what's the best HD Configuration?

    - by aleroot
    I Have an HP Server with a quad core Opteron and 3 Disk 250Gb S-ATA Disk, i'm thinking about what's the best configuration of the disk for performance and reliability. There is mainly 2 scenario : -RAID 5 with these 3 HD (on the the array 100GB Partition for OS, Other Space for Data Partition) -RAID 1 + 1 Disk for OS (one single Disk OS Installation, RAID 1 Array for a Data Partition) What's the best configuration ? In the Server Run MySQL and Small Document File server, the OS to be installed is Windows Server 2008 ...

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  • My PC suddenly doesn't detect the primary drive (SSD)

    - by smoth190
    My computer has been working fine for months, and it worked today, but tonight I went to start it up to find that my OCZ Vertex 2 isn't being found. When I turn on my computer, the loading screen gets stuck at "Detecting IDE drives...". After a while, it keeps going and lists the drives it finds. The first one in the list should be my Vertex 2, but it just says "None". The computer proceeds to get stuck on "Loading operating system...", which is understandable because the drive with the OS is "gone". My first thought was drive failure, but every time drives have crashed on me, they're still detected--they just don't work. This drive is an SSD, it's pretty new, and I had no problems beforehand. I find it hard to believe it failed. I'm sure it's possible, but I hope this isn't the case. There has been nothing strange going on at all with my PC, it's been running perfect until now. I was just about to do my monthly dskchk and defrag today. I popped in my Windows 7 Home Premium disk and booted from it. When I launched the repair tool, it didn't list any operating systems (because the drive is 100% missing...). When I've had disks crash before, it still listed the OS, you just couldn't do anything with it. I tried to restore from an image, but I don't have any of those, either. I opened the command console and listed the drivers with wmic logicaldisk get name. Only C: and D: came up. C: was my 1TB storage driver (luckily, all my stuff is here--only the OS is on the SSD!) and D: was the disk driver. So I still had an MIA drive... The SSD didn't come with any driver disks, so I can't install drivers. If there's a way to do this from a CD I can burn with my other PC, please let me know. What the heck do I do? Although only the OS is on my SSD, a new SSD is expensive. I'll probably also have to buy a new copy of Windows (an upgrade would be nice, though...) because I've found it eats my registration key when my PC crashes (and my thousands of dollars of Adobe programs, I'll be on the phone with tech support for a week to get those keys back). And I'll lose my registry, all my settings, all sorts of other stuff that I'll spend weeks restoring. My computer is a pain in the butt to take out and open up, so if I can't fix it, I'll try fiddling with the plug or putting it into a new computer, but not right now. Any help is greatly appreciated! The day when they make crash-less drives will be the day I live without worry.

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  • how to return my losed drive

    - by sama
    the drive D in my computer has been losd i opend my computer but i didnot find it i don't know wher it is and i don't know how to return it i go to disck manaement i found it as a free space then i try to make it NTFS but it was needed to format it but i don't want to format it i need the data can any one help me to return my drive without losing my data

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  • 1 tera flop cluster?

    - by Adobe
    I want to buy a $40000 1 tera flop cluster to keep it in a room. What are the standard configurations? Cluster is supposed to do molecular dynamics simulations on biological systems. I'm proposed a 4 pc with 8 cores each by the selling company I'm deadling with. It looks like I also need infiniband. Does some one has an experience -- what phisical memory should I buy etc? I know things change very quickly... Still there might be a point or two to state. Edit: Custer is supposed to run linux, and gromacs in it.

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  • Netbook performs hard shutdown without warning on low battery power

    - by Steve Kroon
    My Asus EEE netbook performs a hard shutdown when it reaches low battery power, without giving any warning - i.e. the power just goes off, without any shutdown process. I can't find anything in the syslog, and no error messages are printed before it happens. I've had this problem on previous (K)Ubuntu versions, and hoped updating to Ubuntu Precise would help resolve the issue, but it hasn't. The option in the Power application for "when power is critically low" is currently blank - the only options are a (grayed-out) hibernate and "Power off". I have re-installed indicator-power to no effect. The time remaining reported by acpi is unstable, as is the time remaining reported by gnome-power-statistics. (For example, running acpi twice in succession, I got 2h16min, and then 3h21min remaining. These sorts of jumps in the remaining time are also in the gnome-power-statistics graphs.) It might be possible to write a script to give me advance warning (as per @RanRag's comment below), but I would prefer to isolate why I don't get a critical battery notification from the system before this happens, so that I can take action as appropriate (suspend/shutdown/plug in power) when I get a notification. Some additional information on the battery: kroon@minia:~$ upower -i /org/freedesktop/UPower/devices/battery_BAT0 native-path: /sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/PNP0C0A:00/power_supply/BAT0 vendor: ASUS model: 1005P power supply: yes updated: Fri Aug 17 07:31:23 2012 (9 seconds ago) has history: yes has statistics: yes battery present: yes rechargeable: yes state: charging energy: 33.966 Wh energy-empty: 0 Wh energy-full: 34.9272 Wh energy-full-design: 47.52 Wh energy-rate: 3.7692 W voltage: 12.61 V time to full: 15.3 minutes percentage: 97.248% capacity: 73.5% technology: lithium-ion History (charge): 1345181483 97.248 charging 1345181453 97.155 charging 1345181423 97.062 charging 1345181393 96.970 charging History (rate): 1345181483 3.769 charging 1345181453 3.899 charging 1345181423 4.061 charging 1345181393 4.201 charging kroon@minia:~$ cat /proc/acpi/battery/BAT0/state present: yes capacity state: ok charging state: charging present rate: 332 mA remaining capacity: 3149 mAh present voltage: 12612 mV kroon@minia:~$ cat /proc/acpi/battery/BAT0/info present: yes design capacity: 4400 mAh last full capacity: 3209 mAh battery technology: rechargeable design voltage: 10800 mV design capacity warning: 10 mAh design capacity low: 5 mAh cycle count: 0 capacity granularity 1: 44 mAh capacity granularity 2: 44 mAh model number: 1005P serial number: battery type: LION OEM info: ASUS

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  • Should mock objects for tests be created at a high or low level

    - by Danack
    When creating unit tests for those other objects, what is the best way to create mock objects that provide data to other objects. Should they be created at a 'high level' and intercept the calls as soon as possible, or should they be done at a 'low level' and so make as much as the real code still be called? e.g. I'm writing a test for some code that requires a NoteMapper object that allows Notes to be loaded from the DB. class NoteMapper { function getNote($sqlQueryFactory, $noteID) { // Create an SQL query from $sqlQueryFactory // Run that SQL // if null // return null // else // return new Note($dataFromSQLQuery) } } I could either mock this object at a high level by creating a mock NoteMapper object, so that there are no calls to the SQL at all e.g. class MockNoteMapper { function getNote($sqlQueryFactory, $noteID) { //$mockData = {'Test Note title', "Test note text" } // return new Note($mockData); } } Or I could do it at a very low level, by creating a MockSQLQueryFactory that instead of actually querying the database just provides mock data back, and passing that to the current NoteMapper object. It seems that creating mocks at a high level would be easier in the short term, but that in the long term doing it at a low level would be more powerful and possibly allow more automation of tests e.g. by recording data in an out of a DB and then replaying that data for tests. Is there a recommended way of creating mocks? Are there any hard and fast rules about which are better, or should they both be used where appropriate?

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  • Low pagerank backlinks - does Google penalize?

    - by Programmer Joe
    I have a new stock discussion forum and I would like to promote it. Specifically, I have two ideas in mind to help promote it: 1) Become a member at other stock discussion forums. Make high quality posts, build a good reputation, and leave a link to my own forum in a non intrusive way (ie. in signature or at the end of my posts). This approach makes sense because you can find other members in other forums that are interested in stock discussion and a backlink to your forum, as long as it is not done in an intrusive/spammy way, should come across as acceptable. 2) Promote my site by writing articles at Squidoo, Hubpages, etc. This approach also makes sense because that's what Squidoo and Hubpages is for. The problem with both these approaches is that when I leave a backlink to my site, the page that I am leaving a backlink from may have a low PR - most likely, a PR of 0. Now, I have read that after the Penguin update by Google, your site can be penalized if you have too many backlinks from low PR pages: http://www.entrepreneur.com/article/224339 So, I am caught in a dilemma: a) If I start promoting my site via other stock forums, Squidoo, Hubpages, etc, but the backlink to my site comes from a page with low PR, Google may penalize my site. b) However, if I don't promote my site, nobody will ever discover it (aside from other promotion techniques like social media promotion, directories, etc).

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  • MS SQL Server BEGIN/END vs BEGIN TRANS/COMMIT/ROLLBACK

    - by Rich
    I have been trying to find info on the web about the differences between these statements, and it seems to me they are identical but I can't find confirmation of that or any kind of comparison between the two. What is the difference between doing this: BEGIN -- Some update, insert, set statements END and doing this BEGIN TRANS -- Some update, insert, set statements COMMIT TRANS ? Note that there is only the need to rollback in the case of some exception or timeout or other general failure, there would not be a conditional reason to rollback.

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  • REGISTER NOW! ORACLE HARDWARE SALES TRAINING: HARDWARE AND SOFTWARE - ENGINEERED TO BE SOLD TOGETHER!

    - by mseika
    REGISTER NOW!ORACLE HARDWARE SALES TRAINING: HARDWARE AND SOFTWARE - ENGINEERED TO BE SOLD TOGETHER! Dear partner You can now register for Oracle's EMEA Hardware Sales Training Roadshow: "Hardware and Software - Engineered to be sold together!"The objective of this one-day, face-to-face, free of charge training session is to share with you and your Oracle peers the latest information on Oracle's products and solutions and to ensure that you are fully equipped to position and sell Oracle's integrated stack. Please find the agenda, schedule details and registration information here.The seats are limited and available on a first-come-first-serve basis. We recommend you to register yourself as early as possible and reserve your seat.Register Now We hope you will take the maximum advantage of these great learning and networking opportunities and look forward to welcoming you to your nearest event! Best regards, Giuseppe FacchettiPartner Business Development Manager,Servers, Oracle EMEA Sasan MoaveniStorage Partner Sales ManagerOracle EMEA

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  • Hardware Virtualization no longer required for Windows 7 XP Mode

    - by Jonathan Kehayias
    One of my frustrations in upgrading to Windows 7 last year was that Virtual PC no longer worked since I didn’t have Hardware Virtualization on my CPU.  This really drove my transition entirely to VMware Workstation on my personal laptop.  I recently reinstalled my work laptop (with permission) on Windows 7 Enterprise and figured I’d give XP Mode a look since this machine has Hardware Virtualization enabled.  I was surprised to find that Hardware Virtualization was no longer required,...(read more)

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  • Ensure Payroll Success with PeopleSoft Year-End Training for U.S. and Canada

    - by Breanne Cooley
    Year-end payroll processing and reporting is a requirement for your business. If you're responsible for completing these processes in either Canada or the United States using the PeopleSoft Payroll application, and if you're new to PeopleSoft Payroll or to performing these processes, consider enrolling in Oracle University's expert training. Our PeopleSoft Payroll specialists will guide you through the necessary steps to ensure you can smoothly and successfully perform your job. Training is specific to the country for which you are performing the processing and reporting. Training lasts one day and is delivered in our Live Virtual Class Format, which helps you avoid travel during this busy season. Here's the training we recommend: PeopleSoft Year-End Payroll - U.S. This course teaches you how to complete U.S. year-end processing and reporting using PeopleSoft Payroll for North America, step-by-step. Update tax reporting setup tables and update employees' income and tax records. Load each employee's year-end data into a single year-end record for processing and reporting.  Identify reports needed to reconcile the year-end data. Correct tax balances and other data as necessary. Generate final print and online W-2 forms and prepare the electronic file for the Social Security Administration.  Enter corrected W-2 information and print a W-2c form. Report periodic retirement distributions and related tax withholding amounts on form 1099-R.   Please Note: this course is intended for organizations using PeopleSoft release 8.81 or higher. PeopleSoft Year-End Payroll – Canada This course covers the steps necessary to perform Canadian year-end processing using Oracle's PeopleSoft Payroll for North America. Explore adjustments, balances, year-end slip processing, common pitfalls and errors and balancing reports.  Produce accurate year-end reporting results such as T4, T4A, RL-1 and RL-2.  Please Note: this course is intended for organizations using PeopleSoft release 8.81 or higher. See you in class! -Oracle University Marketing Team 

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  • Silverlight hardware-accelerated playback is greyed-out - How do I enable it?

    - by Not So Sharp
    I am trying to play Netflix videos (which only play via Silverlight), but they play choppy because Silverlight's hardware-accelerated playback is disabled. (video playback on WMP11 and VLC is flawless, so I know beyond certainty that my built-in video card's hardware is perfectly capable of hardware-accelerated playback) I have the latest & greatest Silverlight version: 5.1.10411.0 And I tried to "un-grey-it-out" via the Registry's GPUVideoDecodeEnabled and UpdateMode, but that didn't help. Is there any way to "un-grey-it-out"?

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  • Hardware Virtualization no longer required for Windows 7 XP Mode

    - by Jonathan Kehayias
    One of my frustrations in upgrading to Windows 7 last year was that Virtual PC no longer worked since I didn’t have Hardware Virtualization on my CPU.  This really drove my transition entirely to VMware Workstation on my personal laptop.  I recently reinstalled my work laptop (with permission) on Windows 7 Enterprise and figured I’d give XP Mode a look since this machine has Hardware Virtualization enabled.  I was surprised to find that Hardware Virtualization was no longer required,...(read more)

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  • REGISTER NOW! ORACLE HARDWARE SALES TRAINING: HARDWARE AND SOFTWARE - ENGINEERED TO BE SOLD TOGETHER!

    - by mseika
    REGISTER NOW!ORACLE HARDWARE SALES TRAINING: HARDWARE AND SOFTWARE - ENGINEERED TO BE SOLD TOGETHER! Dear partner You can now register for Oracle's EMEA Hardware Sales Training Roadshow: "Hardware and Software - Engineered to be sold together!"The objective of this one-day, face-to-face, free of charge training session is to share with you and your Oracle peers the latest information on Oracle's products and solutions and to ensure that you are fully equipped to position and sell Oracle's integrated stack. Please find the agenda, schedule details and registration information here.The seats are limited and available on a first-come-first-serve basis. We recommend you to register yourself as early as possible and reserve your seat.Register Now We hope you will take the maximum advantage of these great learning and networking opportunities and look forward to welcoming you to your nearest event! Best regards, Giuseppe FacchettiPartner Business Development Manager,Servers, Oracle EMEA Sasan MoaveniStorage Partner Sales ManagerOracle EMEA

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  • REGISTER NOW! ORACLE HARDWARE SALES TRAINING: HARDWARE AND SOFTWARE - ENGINEERED TO BE SOLD TOGETHER!

    - by mseika
    REGISTER NOW!ORACLE HARDWARE SALES TRAINING: HARDWARE AND SOFTWARE - ENGINEERED TO BE SOLD TOGETHER! Dear partner You can now register for Oracle's EMEA Hardware Sales Training Roadshow: "Hardware and Software - Engineered to be sold together!"The objective of this one-day, face-to-face, free of charge training session is to share with you and your Oracle peers the latest information on Oracle's products and solutions and to ensure that you are fully equipped to position and sell Oracle's integrated stack. Please find the agenda, schedule details and registration information here.The seats are limited and available on a first-come-first-serve basis. We recommend you to register yourself as early as possible and reserve your seat.Register Now We hope you will take the maximum advantage of these great learning and networking opportunities and look forward to welcoming you to your nearest event! Best regards, Giuseppe FacchettiPartner Business Development Manager,Servers, Oracle EMEA Sasan MoaveniStorage Partner Sales ManagerOracle EMEA

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  • EMEA Hardware: Quarterly Partner Sales Update Roadshow

    - by Cinzia Mascanzoni
    Starting July this year Oracle’s A&C, Partner Enablement and Hardware Teams will be organizing quarterly face-to-face sales training events to keep you up to date with Hardware sales news, latest products and solutions announcements, competitive positioning, sales tools -- all of this with an Oracle-on-Oracle approach. We are pleased to invite you to attend the first Oracle EMEA Hardware Quarterly Partner Sales Update Roadshow running in 10 different cities across EMEA. Click here for Dates & Location, Agenda and to Register.

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  • Weird behaviour with vector::erase and std::remove_if with end range different from vector.end()

    - by Edison Gustavo Muenz
    Hi, I need to remove elements from the middle of a std::vector. So I tried: struct IsEven { bool operator()(int ele) { return ele % 2 == 0; } }; int elements[] = {1, 2, 3, 4, 5, 6}; std::vector<int> ints(elements, elements+6); std::vector<int>::iterator it = std::remove_if(ints.begin() + 2, ints.begin() + 4, IsEven()); ints.erase(it, ints.end()); After this I would expect that the ints vector have: [1, 2, 3, 5, 6]. In the debugger of Visual studio 2008, after the std::remove_if line, the elements of ints are modified, I'm guessing I'm into some sort of undefined behaviour here. So, how do I remove elements from a Range of a vector?

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  • Web Designer looking to learn back-end programming...

    - by Tabetha Moe
    Hello, my name is Tabetha and I have a question... I am a web designer, but I always find that while designing the layout and coding the design I come up with great ideas for websites. I would like to know where I need to start in order to learn back-end programming not only for the knowledge, but also for the challenge of it. I have searched online but can't seem to find the information I am looking for. If anyone can give me a simple, straight-forward "this is what language you need to learn" answer, or perhaps guide me in the right direction I would appreciate it ten-fold. I am a complete noob when it comes to this, so even the most basic information is probably a pearl of wisdom for me. :)

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  • Java2D OpenGL Hardware Acceleration Doesn't Work

    - by Aaron
    It doesn't work with OpenGL with even the simplest of programs. Here is what I am doing.. java -Dsun.java2d.opengl=True -jar Java2Demo.jar (Java2Demo.jar is usually included with the JDK..) The text output is: OpenGL pipeline enabled for default config on screen 0 When I don't pass in the above VM argument things work fine (but slowly). When I do pass in the above argument nothing shows up... If I move the window around it captures whatever image it was on top of and jumbles it into nonsense. I'm running Windows XP Pro SP3 (Microsoft Windows XP [Version 5.1.2600]) (under Parallels on OS X 10.5.8) I used "Geeks3D GPU Caps Viewer" to tell me I have Open GL version: 2.0 NVIDIA-1.5.48 I have tried this with two version of the JVM. First: java version "1.6.0_13" Java(TM) SE Runtime Environment (build 1.6.0_13-b03) Java HotSpot(TM) Client VM (build 11.3-b02, mixed mode) and second: java version "1.6.0_20" Java(TM) SE Runtime Environment (build 1.6.0_20-b02) Java HotSpot(TM) Client VM (build 16.3-b01, mixed mode, sharing)

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  • problem with two .NET threads and hardware access

    - by mack369
    I'm creating an application which communicates with the device via FT2232H USB/RS232 converter. For communication I'm using FTD2XX_NET.dll library from FTDI website. I'm using two threads: first thread continuously reads data from the device the second thread is the main thread of the Windows Form Application I've got a problem when I'm trying to write any data to the device while the receiver's thread is running. The main thread simply hangs up on ftdiDevice.Write function. I tried to synchronize both threads so that only one thread can use Read/Write function at the same time, but it didn't help. Below code responsible for the communication. Note that following functions are methods of FtdiPort class. Receiver's thread private void receiverLoop() { if (this.DataReceivedHandler == null) { throw new BackendException("dataReceived delegate is not set"); } FTDI.FT_STATUS ftStatus = FTDI.FT_STATUS.FT_OK; byte[] readBytes = new byte[this.ReadBufferSize]; while (true) { lock (FtdiPort.threadLocker) { UInt32 numBytesRead = 0; ftStatus = ftdiDevice.Read(readBytes, this.ReadBufferSize, ref numBytesRead); if (ftStatus == FTDI.FT_STATUS.FT_OK) { this.DataReceivedHandler(readBytes, numBytesRead); } else { Trace.WriteLine(String.Format("Couldn't read data from ftdi: status {0}", ftStatus)); Thread.Sleep(10); } } Thread.Sleep(this.RXThreadDelay); } } Write function called from main thread public void Write(byte[] data, int length) { if (this.IsOpened) { uint i = 0; lock (FtdiPort.threadLocker) { this.ftdiDevice.Write(data, length, ref i); } Thread.Sleep(1); if (i != (int)length) { throw new BackendException("Couldnt send all data"); } } else { throw new BackendException("Port is closed"); } } Object used to synchronize two threads static Object threadLocker = new Object(); Method that starts the receiver's thread private void startReceiver() { if (this.DataReceivedHandler == null) { return; } if (this.IsOpened == false) { throw new BackendException("Trying to start listening for raw data while disconnected"); } this.receiverThread = new Thread(this.receiverLoop); //this.receiverThread.Name = "protocolListener"; this.receiverThread.IsBackground = true; this.receiverThread.Start(); } The ftdiDevice.Write function doesn't hang up if I comment following line: ftStatus = ftdiDevice.Read(readBytes, this.ReadBufferSize, ref numBytesRead);

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