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• Number of occurrences of a substring in an NSString?

  - by igul222

  How can I get the number of times an NSString (for example, @"cake") appears in a larger NSString (for example, @"Cheesecake, apple cake, and cherry pie")? I need to do this on a lot of strings, so whatever method I use would need to be relatively fast. Thanks!

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• Where can I find the IRQ number in request_irq function?

  - by sasayins

  Hi, Im learning device driver programming in Linux. And I'm wondering where I could the IRQ number in the request_irq function. int request_irq (unsigned int irq, void (*handler) (int, void *, struct pt_regs *), unsigned long irqflags, const char *devname, void *dev_id); In the irq parameter, what value or where could I find that value to put in the request_irq function? Thanks

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• Is there a function to test if a String variable is a number value?

  - by letseatfood

  Is there a way to test a string, such as the one below to see if it's an actual number value? var theStr:String = '05'; I want to differentiate between the string value above and one such as this: var theStr2:String = 'asdfl'; Thanks!

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• How to increase/decrease current margin at a number by jquery?

  - by Relax

  Given an element with unknown margin-left, how to increase its margin-left at a number say 100px? For example, assuming the original margin-left is 100px, the expected result is 100px + 100px thus 200px finally.

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• How they heck did they do this? Custom number pad.

  - by Joe

  http://itunes.apple.com/us/app/bistromath/id309214622?mt=8 Number pad in second screenshot: So is this some customization of the stock keypad? Modal view?

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• Why do different versions of Silverlight assemblies have the same version number?

  - by Simon

  Why do different versions of Silverlight assemblies have the same version number? Location: ...\Silverlight\v3.0\System.Core.dll Name: System.Core, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e Location: ...\Silverlight\v4.0\System.Core.dll Name: System.Core, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e Location: ...\Silverlight\v4.0\Profile\WindowsPhone\System.Core.dll Name: System.Core, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e While standard .net has different version numbers Location: ...\Framework\v4.0.30319\System.dll Name: System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 Location: ...\Framework\v2.0.50727\System.dll Name: System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089

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• Worst Case number of rotations for BST to AVL algorithm?

  - by spacker_lechuck

  I have a basic algorithm below and I know that the worst case input BST is one that has degenerated to a linked list from inserts to only one side. How would I compute the worst case complexity in terms of number of rotations for this BST to AVL conversion algorithm? IF tree is right heavy { IF tree's right subtree is left heavy { Perform Double Left rotation } ELSE { Perform Single Left rotation } } ELSE IF tree is left heavy { IF tree's left subtree is right heavy { Perform Double Right rotation } ELSE { Perform Single Right rotation } }

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• how to count number of elements of same value in a matrix?

  - by niko

  Hi, Does anyone know how to count the number of times the value appears in a matrix? For example if we have a 1500 x 1 matrix M (vector) which stores the values of weekdays (1 - 7) and would like to count how many Sundays (1), Mondays(2),... , Saturdays(7) are stored in M? Thank you!

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• between C# and Python, which is better at random number generation?

  - by Matt

  Without relying on third party libraries or obscenely complex custom number generating things, which of those two languages makes the most 'random' random numbers? not too important, just a program that simulates dice rolls (I'm still a little new at both languages)

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• how to get Serial number from Windows CE ? (not Device ID) in C# ?

  - by Gold

  hi how to get Serial number from Windows CE ? (not Device ID) in C# ? thank's in advance

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• Find out the number of digits of min/max values of an integral type at compile time

  - by Checkers

  Is there a way to find out the number of digits of min/max values of an integral type at compile time so that it's suitable to be placed as a template parameter? Ideally, there will be an existing solution in, for example, Boost MPL. Failing that I'm looking for some pointers for a hand-coded solution.

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• How to get the number of columns from a JDBC Resultset?

  - by Sanoj

  I am using CsvJdbc (it is a JDBC-driver for csv-files) to access a csv-file. I don't know how many columns the csv-file contains. How can I get the number of columns? Is there any JDBC-function for this? I can not find any methods for this in java.sql.Resultset. For acessing the file, I use code similar to the example on the CsvJdbc website.

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• Is it possible to read the iPhone phone number out of the settings?

  - by Chrizzz

  I would like to pre-populate a UITextfield with the phone number of the current iPhone device. Can that be done?

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• How can I find out number of clients subscribed to BlazeDS destination?

  - by Sergey

  Hi all! Is it possible to determine number of clients subscribed to my BlazeDS destination? I need to retrieve this data at the server-side code.

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• try-catch error handling -- display line number where error occurred?

  - by CSharp Noob

  Can someone please tell me how to get the line number of the code where the error occurred and display it to the console? Thank you!

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• Minimum number of swaps needed to change Array 1 to Array 2?

  - by Adam

  For example, input is Array 1 = [2, 3, 4, 5] Array 2 = [3, 2, 5, 4] Minimum number of swaps needed are 2. The swaps need not be with adjacent cells, any two elements can be swapped.

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• JPA: How do I get a scalar result of type Long-- not BigNumber-- from Oracle NUMBER?

  - by rektide

  The default mapping from an Oracle NUMBER value is into BigNumber... How can I get a scalar result query to return a Long instead?

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• How can my iphone app detect it's own version number?

  - by cmos

  I'm writing an iPhone app. It's already been published, but I would like to add a feature where it's version number is displayed. I'd rather not have to do this manually with each version I release.. Is there a way in objective C to find out what the version is of my app?

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• Anyone know how to get the z-index of a div tag that returns the actual number and not 'Auto'?

  - by Derrick

  This gives me auto: I need the number, so I can move one above the other? // Swop div index $("#panel div").each(function(){ alert($(this).css('z-index')); });

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• How do I get the number of visible characters from a UTF-8 encoded char*?

  - by Bill

  I have a UTF-8 encoded char*. Is there a standard function to calculate the number of visible characters represented by the byte array? I'm on Red Hat (RHEL 5).

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• What is the minimum number of socket port(s) required for a TCP server?

  - by Gwilym

  Hey SO Doing a some practice questions for exam tomorrow can't figure out this one What is the minimum number of socket port(s) required for a TCP server to connect a TCP client for communication? Surely its just two right? one for the server one for the client, but this seems to obvious. My mates thinks TCP uses two ports at the server end for for data in and one for data out. thanks in advance

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• How to create dynamic number of output files with SSIS?

  - by JSacksteder

  I will be creating flatfiles and based on the data in the batch, it might be necessary to split the data into an undetermined number of files. I can make the connection string dynamic with an expression, but that is only evaluated when the package starts. I'd like to change that expression to include a '-a' or '-b' in the filename. Alternately, if I have to create new connection manager objects at run time on demand, how do I go about that?

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• How to determine expected license serial number by viewing an EXE File?

  - by Steve

  I was attempting to install an exe that requires a serial number before the install, which the vendor has not provided to us yet. This got my wheels turning about whether there is any information that can be gained from viewing an exe using a hex editor/VI/etc? Using VI to view an exe, I can see some sections of plain text, but it is difficult to determine what it refers to without any context around it. Is it possible to determine any information by reading an exe? Thanks

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• For a Chemical Equation Balancer App (Android), how do I count the number of atoms of each element in each term?

  - by Upas

  This is my app: If someone enters "C6H12O6+O2=CO2+H2O", then I have already written code to split the equation into terms, so in an ArrayList called rterms I have the strings: C6H12O6 CO2 and in another ArrayList called pterms, I have: CO2 H2O I need to count the number of C's in each term of the reactants, so 6 for term 1, 0 for term 2, and then the H's and then O's. How would I do this? Any help is appreciated.

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• How can I count the number of elements of a given value in a matrix?

  - by niko

  Does anyone know how to count the number of times a value appears in a matrix? For example, if I have a 1500 x 1 matrix M (vector) which stores the values of weekdays (1 - 7), how could I count how many Sundays (1), Mondays(2), ... , Saturdays(7) are stored in M?

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