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  • Confusing If Statement?

    - by NetSide
    I always use If statement (In C#) as (1. Alternative); if (IsSuccessed == true) { // } I know that there is no need to write "== true" as (2. Alternative)); if (IsSuccessed) { // } But, I use it because it is more readable and cause no performance issue. Of course, this is my choice and I know many software developers prefer first alternative. What is the best usage, and Why?

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  • How do I write an MVC 1 app with MVC 2?

    - by SLC
    I went to http://www.asp.net/mvc and the web installer offered me the option to install MVC 2, but not MVC 1. I thought MVC 2 was still in beta? Either way, I need to write an MVC 1 app. In visual studio, my only choice is either ASP.NET Web Application or ASP.NET MVC 2 Web Application. Can anyone advise?

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  • XML XQUERY Problem with NTEXT data type

    - by johnfa
    Hello I want to use XQuery on a column of data type NTEXT (I have no choice!). I have tried converting the column to XML using CONVERT but it gives the error: Incorrect syntax near the keyword 'CONVERT'. Here's the query SELECT y.item.value('@UserID', 'varchar(50)') AS UnitID, y.item.value('@ListingID', 'varchar(100)') AS @ListingID FROM dbo.KB_XMod_Modules CROSS APPLY CONVERT(xml, instancedata).nodes('//instance') AS y(item) (instancedata is my column) Can anyone think of a work around for this ? Thanks

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  • Comparison of Hyper-V, Hyper-V Server, VMware ESXi, Xen and Parallels Bare Metal (Community Wiki)

    - by Andrew J. Brehm
    Can we use this question to collect information and the pros and cons of each of the above products? Specifically I am wondering whethere there is any sane reason to use Hyper-V (the role built into Windows Server) over Hyper-V server (the stand-alone product based on the same technology) and what exactly the differences are between ESXi, Xen and Hyper-V and why nobody seems to use Parallels Bare Metal. Make this a Community Wiki. I want comparisons, not reputation.

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  • How to associate document files with MS Office 2010 Beta?

    - by Semyon Perepelitsa
    I've installed MS Office 2010 Beta (OneClick technology). All apps launch from 1 program, Word for example has this link: "C:\Program Files (x86)\Common Files\microsoft shared\Virtualization Handler\CVH.EXE" "Microsoft Word 2010 (Beta) 2014006204190000" Or OneNote: "C:\Program Files (x86)\Common Files\microsoft shared\Virtualization Handler\CVH.EXE" "Microsoft OneNote 2010 (Beta) 2014006204190000" Because of that I can't associate files with Office programs in file properties, they actually associate with “Microsoft Office Client Virtualization Handler” (CVH.EXE). Anyone know another way to do that?

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  • Pen Mouse compatibility with Office 2007 on Vista Dell Inspiron 1525

    - by Iddy
    Are there mouse pens that work with a Dell laptop running Vista and Word 2007 that allow direct input into Word using the Vista tablet functionality? Currently I can write with my mouse and the tablet OCR recognizes even that poor handwriting but if there is a pen-shaped mouse that I could just plug and play that would be great. Any brands/education etc would be greatly appreciated as I am woefully ignorant on this technology.

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  • Improving RDP performance

    - by blade
    Hi, How can I improve RDP performance? I'm on an 8mb line, and I have disabled all the fancy features like visual styles. One page said if I set a low speed, that too will increase performance. Is there any proof in this? Also, there was an ad here about an application/technology which can increase RDP performance by x20. Has anyone used this? Thanks

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  • Price drop patterns

    - by doug
    I'm looking to buy a new laptop, and i don't need the top hi-tech because I'll use it for office type applications. In this case, the CPU and RAM are those who are mostly used. For example Intel i3 CPU was launched in Jan 2010 and in this case, the prices for Core Duo technology will drop. Do you know when or which are the signs? Can we talk about such a pattern?

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  • price patterns drops

    - by doug
    I'm looking to buy a new laptop, and i don't need the top hi-tech because I'll use it for office type applications. In this case, the CPU and RAM are those who are mostly used. For example Intel i3 CPU was launched in Jan 2010 and in this case, the prices for Core Duo technology will drop. Do you know when or which are the signs? Can we talk about such a pattern?

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  • Can I use plain RAID on a Drobo?

    - by cringe
    I'm thinking about a RAID device and the Drobo is on top of my list (followed by the WD ShareSpace). But I don't want to be in another walled garden with Drobos BeyondRAID technology. Can I use the Drobo with a plain RAID setup? So I can take my HDDs and connect it to another RAID controller and go on?

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  • map my url with window 2008 r2 for a tomcat web application

    - by Dinidu
    I have developed a web application using jsp/servelt technology, now i have hosted in my company windows server by using tomcat web server. when i want to go to the application i have to type my server name and the 8080 port no. I want to remove this and want to use my web application name instead of the server name. hope a quick answer. example: now (http://my server name:8080/) what i want (http://my application name)

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  • Is minimum latency fixed by the speed of light?

    - by JavaRocky
    Suppose i had a fiber optic link from one side of the planet to the other side of the planet. Is it safe to say, that with current technology, the latency of communication can never be reduced? Understand that a fiber optic cable is not a perfect medium thus data only travels close to the speed of light. Also lets consider that i will not be drilling a hole thru the center of the earth and it is just running along the ocean.

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  • Can the Intel C600-series SAS controller RAID SATA drives?

    - by CyberShadow
    (Sorry if this is off-topic - technically this is a home workstation setting, but is regarding mostly-server technology.) I have a GA-X79S-UP5-WIFI motherboard and four ST3000DM001 drives, and the IRST manager isn't letting me put the drives in a RAID (it lists them, but the option to select the C600-series controller is simply grayed out). Have I done a mistake? Do I need SAS drives to RAID them on the SAS controller?

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  • Lefthand SAN questions.

    - by Gk
    I'm curious about Lefthand SAN solutions from HP. People from Dell have told me that Lefthand SAN's require at least two nodes and data must be mirroring between them so capacity is a half less compare to other SAN technology (e.g.Equal Logic). Is it true? Can a HP lefhand SAN be used as a stand-alone storage server with full RAID function (1, 10, 5)? TIA, -giobuon

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  • Get 5.1 surround sound from computer through a VCR config?

    - by Wedding Nails
    I'm posting to see if my idea of this setup is right and can be done. I currently have the following "equipment": a JVC VCR -quite old-, which has built in surround sound (aka it has several speaker outputs, which I believe is 5.1 and are connected to several speakers that are in every corner of the room), a computer with SPDIF optical output and a new flat screen TV (with built in HDMI). I want the computer to take advantage of the VCR's surround system (all the speakers in the room) in order to play mainly music and video always with all the speakers (5.1) and with the maximum sound quality. Currently, the computer plays sound only through the front speaker (I connect one output to the on board pc audio input) and the quality is really bad. As a side note, the computer video runs with S-video (old school), and the picture quality as you would imagine, is really bad with the new big LCD screen. My main goals are: to upgrade the picture with a new video card which would support HDMI (my tv has HDMI). to buy a SPDIF optical cable, connect one end to the VCR SPDIF input and the other end to the PC output This is theoretically what I've researched so far, and I came out with several questions: in this case, with the SPDIF cable connected, and all the configurations done in windows allowing the 5.1, will I get every content I play "converted" or played through all of my speakers? (I read this forum post). I already know that in order for this setup to play from all the speakers, the content/audio source has to be 5.1. but my question is, if there is a way to play from all of the speakers no matter what type of content I'm playing (that's why I said conversion there) I already know that HDMI cables carry digital sound. Is there a way I can only use said HDMI cord to the tv, and get sound through the VCR? (I'm not too sure about this, I would have to disable the TVs speakers and use the VCR surround as default, but I have no clue wether this can be done or not). Update: The ultimate question is, do I really have to rely on "sound virtualization" technology to get sound from all the speakers, no matter what content I play? (do I require a newer sound card, like a creative soundblaster with said technology?) Thanks!

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  • database scanning tools recommendation?

    - by stock99
    Lately my boss is asking me to looking into database scanners. I know very little about db scanning technology. Just wondering if it is worth to purchase tools like Sentrigo ( http://www.mcafee.com/us/about/sentrigo.aspx ) ? Does anyone have experience of using database scanner? Also, I'd like to know if there is any limitation on it. We already conducting internal OS and web scan on regular basis, by the way.

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  • What good Sysadmin podcasts are out there?

    - by Zoredache
    The similar question on SO #1644 has lots of answers focused on software development. What do podcasts do you listen to for learning about Information technology trends Network Administration techniques Security Issues and threats Other system/network administration issues.

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  • Lefthand SAN quetions.

    - by Gk
    I'm curios about Lefthand SAN solution from HP. Ppl from Dell told me that lefthand SAN require at least two nodes and data must be mirroring between them so capacity is a half less compare to other SAN technology (e.g.Equal Logic). Is it true? Can a HP lefhand SAN can use as a stand-alone storage server with full RAID function (1, 10, 5)? TIA, -giobuon

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  • Why do Linux networks use Samba?

    - by Dougal
    The "file and printer sharing" feature of Linux distros is mostly Samba. Samba is an interpretation of Microsoft's network filesystem. Cross-OS compatibility is important of course but why are Linux systems defaulting to this Microsoft technology? Is Microsoft's network filesystem so good? Samba clearly works very well and I'm not "dissing" it. Or, to rephrase the question, "What would be a Linux-native way to share files and printers across a network?"

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  • Debugging IO limitation

    - by Martin F
    I have a Fedora box with some severe IO limitations which I have no idea how to debug. The server has a Areca Technology Corp. ARC-1130 12-Port PCI-X to SATA RAID Controller with 12 7200 RPM 1.5 TB disks and a Marvell Technology Group Ltd. 88E8050 PCI-E ASF Gigabit Ethernet Controller. uname -a output: 2.6.32.11-99.fc12.x86_64 #1 SMP Mon Apr 5 19:59:38 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux The server is a file server running Nginx with the stub status module enabled, so I can see the current amount of connections. The problem present itself when I have a high number of simultaneous connections in a writing state. Usually around 350, at this very moment it's at 590 and the server is almost unusable and stuck at 230mbit/s. If I run stop and hit 1 to see CPU core usages I have all 4 cores with around 99% io wait, if I run iotop the nginx workers are the only processes producing any read load, currently at around 25MB/s. I have each of the workers bound to their own core. Initially I figured it was just the disks being bugged. But I've run fscheck and smartmontools checks and found no errors. I also ran an iozone test which you can see the result of here: http://www.pastie.org/951667.txt?key=fimcvljulnuqy2dcdxa Additionally, when the amount of connections are low I have no problem getting a good speed. If I wget over the local network it easily hits 60MB/sec. Right now I just tried putting a file in /dev/shm, then I symlinked a file from the public dir to it and used wget over the local network and only got 50KB/s. Also, if I try to cp /dev/shm/test /root/test it quickly copies around 740MB and then slows down HEAVILY. Again with iotop reporting 99% iowait. I'm not really sure how to go about figuring out what the problems are. It could be a natural disk limitation but then the file from /dev/shm ought to transfer so it seems there's a network limit, but that's fine when there's not many connections. Perhaps it's a TCP stack problem but I really have no idea how to check that. Any suggestions on how to proceed with debugging would be very welcome. If additional information is required then let me know and I'll try to get it. Thanks.

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