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  • ASP.NET Checkboxes/RadioLists Arrow Keys

    - by rlb.usa
    I have an ASP.NET web application for data entry, and we have big lists of radiobuttons, and long lists of checkboxes, in some sections. The client wants to be able to be able to navigate and manipulate these controls with their keyboard, like the tab/space/enter/right-left-up-down-arrow-keys. Are there any ASP.NET controls that I can use?

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  • Regular Expression

    - by Malcolm
    I want regular expression that checks that the string doesnt start with an empty space. Some what like this i want to do : Is the below ValidationExpression right for it : string ValidationExpression = @"/^[^ ]/"; if (!String.IsNullOrEmpty(GroupName) && !Regex.IsMatch(GroupName, ValidationExpression)) { }

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  • Convolve a column vector

    - by Geoff
    This is an OpenCV2 question. I have a matrix: cv::Mat_<Point3f> points; representing some space curve. I want to smooth it (using, for example a Gaussian kernel). I have tried using: cv::Mat_<Point3f> result; cv::GaussianBlur(points, result, cv::Size(4 * sigma, 1), sigma, sigma, cv::BORDER_WRAP); But I get the error: Assertion failed (columnBorderType != BORDER_WRAP)

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  • finding and returning a string with a specified prefix

    - by tipu
    I am close but I am not sure what to do with the restuling match object. If I do p = re.search('[/@.* /]', str) I'll get any words that start with @ and end up with a space. This is what I want. However this returns a Match object that I dont' know what to do with. What's the most computationally efficient way of finding and returning a string which is prefixed with a @? For example, "Hi there @guy" After doing the proper calculations, I would be returned guy

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  • css to crop an image instead of stretching it

    - by amit
    i am taking an image from a source, say, facebook. now when i want to insert that image in a container with fixed width and height, the image stretches to fit that space. is there a way the image can display in its normal size and the rest of the area clipped out?

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  • Dynamic memory managment under Linux

    - by petersohn
    I know that under Windows, there are API functions like global_alloc() and such, which allocate memory, and return a handle, then this handle can be locked and a pointer returned, then unlocked again. When unlocked, the system can move this piece of memory around when it runs low on space, optimising memory usage. My question is that is there something similar under Linux, and if not, how does Linux optimize its memory usage?

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  • Does UrlDecode handle plus (+) correctly?

    - by harpo
    According to RFC 2396, The plus "+", dollar "$", and comma "," characters have been added to those in the "reserved" set, since they are treated as reserved within the query component. Indeed, search this site for "plus + comma , dollar $", and you get http://stackoverflow.com/search?q=plus+%2B+comma+,+dollar+$ Plus is only encoded (by the application) when it's not being used as a delimiter. But as others have observed, .NET's UrlDecode function converts plus to space. Where is this behavior specified?

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  • validation using jquery

    - by Indranil Mutsuddy
    Hello friends The below link has my web page and i would like to validate all the fields using jquery, the problem is I dont have much space around the fields to display ordinary error messages. I am am a novice and thinking of using jquery validation, so could any of you suggest me the best possible way to do that. http://www.4shared.com/photo/BowU9nFB/page.html Thanking You, Indranil

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  • app engine modify xml

    - by Hoax
    Hi I am writing a GWT app running on App Engine, which needs to modify a XML File serverside. As far as I know there is no way to modify a XML file in the WAR directory or any subdirectories. What other possibilities do I have to store that data? Can I use the Data Store somehow or should I look for storage space somewhere else and access it there (if so any recommendations?)? Any help is appreciated!

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  • Data structure for an ordered set with many defined subsets; retrieve subsets in same order

    - by Aaron
    I'm looking for an efficient way of storing an ordered list/set of items where: The order of items in the master set changes rapidly (subsets maintain the master set's order) Many subsets can be defined and retrieved The number of members in the master set grow rapidly Members are added to and removed from subsets frequently Must allow for somewhat efficient merging of any number of subsets Performance would ideally be biased toward retrieval of the first N items of any subset (or merged subset), and storage would be in-memory (and maybe eventually persistent on disk)

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  • What's the best way to draw a fullscreen quad in OpenGL 3.2?

    - by Phineas
    I'm doing ray casting in the fragment shader. I can think of a couple ways to draw a fullscreen quad for this purpose. Either draw a quad in clip space with the projection matrix set to the identity matrix, or use the geometry shader to turn a point into a triangle strip. The former uses immediate mode, deprecated in OpenGL 3.2. The latter I use out of novelty, but it still uses immediate mode to draw a point.

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  • Read/Write Excel Files Directly To/From Memory

    - by Corey O.
    Several people have asked, in a roundabout way, but I have yet to see a workable solution. Is there any way to open an excel file from directly memory (like a byte[]) ? Likewise is there a way to write a file directly to memory? I am looking for solutions that will not involve the hard disk or juggling temporary files. Thanks in advance for any suggestions.

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  • Sql compression and backing up in sql server 2005

    - by cagin
    Hi there I want to backup my database with compression. This is my code : BACKUP DATABASE dbbbb TO DISK = N'C:\\dbbb.bak' WITH COMPRESSION this running correctly in Sql Server 2008. But my server has Sql Server 2005 and COMPRESSION is not a recognized BACKUP option in 2005. How can i compress my backup in 2005 Thank you for your helps.

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  • Implementing a hilbert map of the internet

    - by Martin
    In the XKCD comic 195 a design for a map of the internet address space is suggested using a hilbert curve so that items from a similar IPs will be clustered together. Given an IP address, how would I calculate the 2D coordinates (in the range zero to one) that this IP is located on such a map?

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  • Why do you have to mark a class with the attribute [serializable] ?

    - by Blankman
    Seeing as you can convert any document to a byte array and save it to disk, and then rebuild the file to its original form (as long as you have meta data for its filename etc.). Why do you have to mark a class with [Serializable] etc? Is that just the same idea, "meta data" type information so when you cast the object to its class things are mapped properly?

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  • How do I write a Oracle SQl query for this tricky question...

    - by atrueguy
    Here is the table data with the column name as Ships. +--------------+ Ships | +--------------+ Duke of north | ---------------+ Prince of Wales| ---------------+ Baltic | ---------------+ In the Outcomes table, transform names of the ships containing more than one space, as follows: Replace all characters between the first and the last spaces (excluding these spaces) by symbols of an asterisk (*). The number of asterisks must be equal to number

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  • What is the total amount of public IPv4 addresses?

    - by Earlz
    Yes, I am needing to know what the total number possible IPs in the public IPv4 space. I'm not sure where to even get a neat list of all the IP address ranges, so could someone point me to a resource to calculate this myself or calculate the total number of IPs for me? Also, by Public IPs I mean not counting reserved or private-range IP addresses.. Only the ones that can be access through the internet.

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  • Check whether a folder is a local or a network resource in .NET

    - by rwmnau
    Is there a quick way to check whether a path I have is on a local disk or somewhere on the network? I can't just check to see if it's a drive letter vs. UNC, because that would incorrectly identify mapped drives as local. I assumed it would be a boolean in the DirectoryInfo object, but it appears that it's not. I've found classic VB code to do this check (through an API), but nothing for .NET so far.

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  • Difference between Cloud and Virtualization

    - by Akash Kava
    Ops: This does not belong to ServerFault because it focuses on Programing Architecture. I have following questions regarding differences between Cloud and Virtualization.. How Cloud is different then Virtualization? Currently I tried to find out pricing of Rackspace, Amazone and all similar cloud providers, I found that our current 6 dedicated servers came cheaper then their pricing. So how one can claim cloud is cheaper? Is it cheaper only in comparison of normal hosting? We re organized our infrastructure in virtual environment to reduce or configuration overhead at time of failure, we did not have to rewrite any peice of code that is already written for earlier setup. So moving to virtualization does not require any re programming. But cloud is absoltely different and it will require entire reprogramming right? Is it really worth to recode when our current IT costs are 3-4 times lower then cloud hosting including raid backups and all sort of clustering for high availability? New programming architecture means new overheads of training staff, new methods of testing and new deployment schemes, does it justify over "on demand resource usage" words of cloud? We are having current development architecture with simple Server side ASP.NET WebServices with no local context and on client side Flex/Silverlight which offers pretty good REST architecture and its highly scalable. How does cloud differs from REST model of deployment? On storage, SQL Server or MySQL offers pretty good replication and high availibility then what is advantage in cloud? Data guarantee, one of our vendor hosting some other customer's app on cloud (one of most used), lost Entire Hard Disk (the virtual) and entire module in first 6 months. Second provider said its your duty to take backup, fine I agree, but no provider gives SLA for data guarantee, they give 99% uptime. However in most business apps, uptime is less important then data integrity. In our 10 years of dedicated hosting experience we had only one hard disk crash. This makes me little skeptical to go for cloud and loosing control over data. And I feel its just a big marketing buzz to sell virtulization in different form. Size of data, currently all providers charge very heavy for large data, if you are hosting only below 100GB cloud can be good alternative, but I think virtual servers and dedicated servers above 100GB to few TBs are still cheaper. Why would want to pay so high on cloud when there is no data guarentee as well as it doesnt say anything about redundancy. (I wish SO had something for spell check for Internet Explorer, sorry for wrong spellings in my post)

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  • Formatting equations in LaTeX

    - by jetsam
    When I include an equation in LaTeX that is enumerated, i.e. {\begin{equation} $$ $$ ... \end{equation} } The line above the equation (blank space between the text preceeding it and the equation) is huge. How do I make it smaller?

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  • Change size of a custom page in Inno Setup

    - by Paja
    The following image shows the size of a standard custom page: I've intentionally removed the panel on top, where you usually see Caption, Description and Logo. So you can see that the actual size of the page is quite small - there are gaps on top, left and right sides. Is there any way to resize the page, so there are no gaps? I want the image to take the whole space. I create the page using CreateCustomPage function.

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