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• Minimum number of disks to implement RAID6 [closed]

  - by Upul

  Hi All, RAID6 is intended to provide fault tolerance in the event 2 disks fail. What is the minimum number of disks required to implement RAID6? thanks

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• Limit number of parameters per method?

  - by Farstucker

  Assuming the parameters are all the same type, is there a rule of thumb in regards to the number of parameters for a method? Im just wondering where I should draw the line and what my alternatives are (ie interface, array, etc).

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• Rock Paper Scissors for arbitrary odd number of elements

  - by Barry Carter

  How do I efficiently create a rock-scissors-paper game for n elements, where n is any odd number =3. In other words, I want a non-transitive complete ordering of n elements such that each element is greater than (n-1)/2 other elements and each element is lesser than (n-1)/2 other elements.

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• Get the number of Pocket PC devices connected to my PC

  - by Amrita

  Hii... I want to find out the number of Pocket PC devices(In my Case they are RFID reader's).Is there any way to do thi using RAPI in C#.net?can you please help me out....

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• Flex DataGrid with row number column

  - by philcruz

  I want to extend the DataGrid component so that there is a (read-only) column for the row number like you see in spreadsheets. I came across this article http://www.cflex.net/showFileDetails.cfm?ObjectID=735 but it depends on the data being unique for each row so that it can index into the array. If the data is not unique (like for an empty grid) it doesn't work. How can I implement that?

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• How to invert alternate bits of a number

  - by Cupidvogel

  The problem is how to invert alternate bits of a number, starting from the LSB. Currently what I am doing is first doing a count = -1 while n: n >>= 1 count += 1 to first find the position of the leftmost set bit, then running a loop to invert every alternate bit: i = 0 while i <= count: num ^= 1<<i i += 2 Is there a quick hack solution instead of this rather boring loop solution? Of course, the solution can't make any asumption about the size of the integer.

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• Is there a limit on number of open files in Windows

  - by Jimmy J

  I'm opening lots of files with fopen() in VC++ but after a while it fails. Is there a limit to the number of files you can open simultaneously?

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• number of elements in a static array of a predefined size

  - by cppb

  I have an array like this: int a[100]; I am filling only the first 4 elements in this array: a[0] = 1; a[1] = 2; a[2] = 3; a[3] = 4; When I do sizeof(a)/sizeof(a[0]) it returns 100. Is there a way I can get number of elements to which I have assinged a value and thus filtering out the remaining 96 unassigned elements? thanks

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• Extracting a given number of the highest values in a List

  - by James P.

  I'm seeking to display a fixed number of items on a web page according to their respective weight (represented by an Integer). The List where these items are found can be of virtually any size. The first solution that comes to mind is to do a Collections.sort() and to get the items one by one by going through the List. Is there a more elegant solution though that could be used to prepare, say, the top eight items?

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• How to add footer in latex without the page number

  - by laspal

  Hi, I have a 2 tex file which I am converting to pdf and then merging the 2 pdf. My problem is I want to define footer for each pdf without the page numbers. \thispagestyle{fancy} \rfoot{text} but it gives me the page number.

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• Rails - number of rows in a file

  - by xpepermint

  Hey. How can I get a total number of rows in a file (do not want to do it with loop). I'm reading CSV file. Example 1 CSV.open('clients.csv', 'r') Example 2 FasterCSV.foreach('clients.csv') Thx.

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• Can someone illustrate what's linux device number's minor number exactly for?

  - by httpinterpret

  The minor number is used by the kernel to determine exactly which device is being referred to. The above explanation is just two abstract, can someone illustrate?

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• Number of concurrent connections in Silverlight

  - by Darko Z

  Hi guys, Is there currently a way to programatically determine from within a Silverlight app the maximum number of concurrent connections that the browser will allow? I know I can do this on the server then pass it as a parameter, but I would like to know if its possible in Silverlight. This is for all versions of Silverlight including Silverlight 4 RC.

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• number only html form

  - by user225269

  what is the code if you want that only number should be inputted in an html textbox. If you input letters there will be no letter that would show. If you input numbers, the numbers would show, please help

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• Find Bios serial number/CPU ID usinf WMI in C++

  - by user200018

  Can someone provide me a code sample to query Bios Serial number and CPU id using WMI in C++. I did search for a solution, here but couldn't find a good one. thanks in advance.

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• How do I convert a string the looks like a hex number to an actual hex number in php?

  - by TheGNUGuy

  Hey everyone, I have a string that looks like this "7a" and I want to convert it to the hex number 7A. I have tried using pack and unpack but that is giving me the hex representation for each individual character. I'm out of ideas and don't know where to go from here. Thanks for the help!

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• Count Total Number of XmlNodes in C#

  - by mjmcloug

  Hey, I'm trying to find a way to get the total number of child nodes from an XmlNode recursively. That it is to say I want to count all the children, grand children etc. I think its something like node.SelectNodes(<fill in here>).Count but I don't know what the XPath is. Thanks

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• number of rows affected by rollback

  - by payal

  Hi, I need to find out the number of rows affected by a rollback. How can I get this ? Please help.

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• Controling page number shown in printing dialog

  - by Matthias Wandel

  I'm trying to implement printing a range of pages in c# While printing, the .net framework throws up a message box that says "Page # of document". This starts at 1, and counts up to the number of pages printed. If I'm printing pages 10-11, I want that count to start at 10, not 1. Is there a way to set the starting value? The logical thing would be if it started at PrinterSettings.FromPage, but it ignores that value.

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• Set Hudson build number from a script

  - by Joe Schneider

  Is there a way to set the next build number in Hudson from a script? I have the nextBuildNumber plug-in installed, and attempted to use wget with --post-data, but that page appears to require login. I have two steps of a chained build and I want to keep the build numbers in sync.

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• Trying to monitor a number of remote MySQL connections

  - by Hello you all men

  I'm trying to monitor a number of remote database connections. How can I constantly monitor a GMail account for routing emails based on their header within the same application? This will need to be standalone or basic package. Should I build a Qt or .NET app for this?

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• Count the number of lines in a file with Ruby, without reading entire file into memory

  - by smnirven

  I'm processing huge data files (millions of lines each). Before I start processing I'd like to get a count of the number of lines in the file, so I can then indicate how far along the processing is. I am using Ruby, and because of the size of the files, it would not be practical to read the entire file into memory just to count how many lines there are. Does anyone have a good suggestion on how to do this?

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• ABPeoplePicker select and return a phone number

  - by palominoz

  Under (BOOL)peoplePickerNavigationController:(ABPeoplePickerNavigationController *) peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person property:(ABPropertyID)property identifier:(ABMultiValueIdentifier)identifier{} is it possible to get returned the phone number or somewhat the user has clicked?

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• converting factored number to decimal in MS SQL

  - by LS

  I need to convert a number which gives decimals in factored format in to decimals, i.e. 11.16 is 11.5 in decimal. This is because 16 is in base of 32 and 11.16 should be read as 11+16/32 = 11.5 I get 11.16 as a string and I need to change it to 11.5 as numeric in MS SQL(2005) database. Any shorter way of doing this rather than splitting strings,converting to numerics,maths,convert to string, concatenate and then convert to numeric?

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• find decimal in a given number

  - by chandu

  Hi, How can i find decimal(dot) in a given number in java. I am getting input from user, he may give integer or float value. I need to find he entered integer or float , is it possible? if yes could u tell me please. -- Thanks

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