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• how to divide a spectogram into a certain number of ranges using mel filter banks using matlab???

  - by pratatbits

  how to divide a speech spectogram into a certain number of ranges using mel filter banks using matlab???basically i have to divide the spectogram into 25*25 blocks...

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• Best Order to traverse a Bellman-Ford Algorithm to achieve min. number of iterations?

  - by awhateverp

  Hey everybody, What is the Best oder of traversing edges within Bellman-Ford algorithm in Order to achieve a min. number of iterations necessary.? thx in advance, Andreas

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• Is there any way to monitor the number of CAS stackwalks that are occurring?

  - by Anonymous

  I'm working with a time sensitive desktop application that uses p/invoke extensively, and I want to make sure that the code is not wasting a lot of time on CAS stackwalks. I have used the SuppressUnmanagedCodeSecurity attribute where I think it is necessary, but I might have missed a few places. Does anyone know if there is a way to monitor the number of CAS stackwalks that are occurring, and better yet pinpoint the source of the security demands?

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• How can I convert a number in a string to any base in assembly?

  - by Nick

  How can I convert a number contained in a string from any base to any other base? Bases can be anything i.e.: 2, 16, 10, 4, 8, 9.

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• How do I get a random number in template toolkit?

  - by Sam Lee

  I want to get a random number using template toolkit. It doesn't have to be particularly random. How do I do it?

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• Is there an easy way to convert a number to Indian words format with lakhs and crores using C#

  - by Craig

  As the title suggests I would like to convert a long number to the format with words using C#. The Culture settings don't seem to do this and I am just currently doing this String.Format(new CultureInfo("en-IN"), "{0:C0}", Price) But for very long numbers I would prefer the word format. I am not from India and only vaguely family with how the system works.

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• How to test if a gawk string contain a number?

  - by Tim Menzies

  In gawk I know two ways to test if a string contains a number. Which is best? Method one: using regular expressions: function method1(x) { return x ~ /^[+-]?([0-9]+[.]?[0-9]*|[.][0-9]+)([eE][+-]?[0-9]+)?$/ } Method two: the coercion trick (simpler): function method2(x) { return (x != "") && (x+0 == x) } Is there any reason to favor the more complex method1 over the simpler method2?

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• How can I force the user to fill out a captcha after a specific number of failed login attempts with

  - by James

  I'm trying to secure my rails 3 app against brute force login guessing. I'm using authlogic. What's the best way to force a user (or bot) to fill out a captcha after a specific number of failed login attempts? Does authlogic have a built in mechanism for recording how many consecutive failed attempts came from the same ip? I'd appreciate any help.

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• CCTV Automatic number plate recognition and integration of data,software?.

  - by abmv

  Hi, I have a client who is looking for a solution to integrate cctv with a (any) ANPR solution that can,I assume recognize the number plate of cars and store in a database and has the ability to post this data to other backoffice applications, crm, marketing app. etc. Is there any ready software to do this ? Or your recommendations ?

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• Generation of an array of Random numbers with defined Min, Max, Mean and Stdev with given number of

  - by Viet

  I'd like to generate an array of Random numbers with defined Min, Max, Mean and Stdev with given number of elements and error level. Is there such a library in C, C++, PHP or Python to do so? Please kindly advise. Thanks!

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• javascript: how do I get the number of an item in an array?

  - by jesse

  var fruits = [ 'apple', 'banana', 'orange' ]; how do I find what number the value "banana" is? (which, of course, is "1"). thanks

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• How can an Oracle NUMBER have a Scale larger than the Precision?

  - by aiGuru

  The documentation states: "Precision can range from 1 to 38. Scale can range from -84 to 127". How can the scale be larger than the precision? For example I can't create a column with the datatype NUMBER(10, 100). Shouldn't the Scale range from -38 to 38?

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• How can I get the revision number into an Ant property in Luntbuild?

  - by pkaeding

  I'm sure this must be possible: I want to have the revision number (from Subversion) put into a property that is accessible from Ant when my build runs in Luntbuild. There must be an OGNL expression that I can add to the Build Properties box on the configuration page for my Ant builder. Does anyone know what it is?

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• How to shift a binary number by filling MSB with 1?

  - by israkir

  In MIPS, is there a way to shift a binary number (0000) by filling its MSB with 1 (1000 and next time 1100 and next time 1110 so on...) each time?

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• How do I retrieve the number of processors on C / Linux ?

  - by Andrei Ciobanu

  I am writing a small C application that use some threads for processing data. I want to be able to know the number of processors on a certain machine, without using system() & in combination to a small script. The only way i can think of is to parse /proc/cpuinfo. Any other useful suggestions ?

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• django models : How to have variable number of foreign keys in a model ?

  - by Rohit

  For instance, Model Resume contains variable number of Model Project 's, What should be my models and relationships between them to achieve this ? Thanks in advance.

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• How do I get the number of objects per day using django?

  - by Keith

  I have a django model with a DateTimeField. class Point(models.Model): somedata = models.CharField(max_length=256) time = models.DateTimeField() I want to get a count of the number of these objects for each day. I can do this with the following SQL query, but don't know how to do it through django. SELECT DATE(`time`), Count(*) FROM `app_point` GROUP BY DATE(`time`) Being able to restrict the results to a date range would also be good.

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• how to show the number of characters left in a multiline textbox in asp.net ?

  - by HotTester

  I have a multiline textbox which can contain only 500 characters. Now i want to show the user the number of characters left as they are typing into the textbox as is the case when we use twitter. Kindly help

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• Where is this port number http://localhost:52432/ specified when running an ASP.NET MVC app?

  - by Dr Dork

  I'm playing around with ASP.NET MVC and I just loaded up an empty project and ran it and the URL in my browser is http://localhost:52432/. Where is the 52432 port number specified? Thanks in advance for your help, I'm going to start researching this question right now.

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• How to balance number of ratings versus the ratings themselves?

  - by zneak

  Hello guys, For a school project, we'll have to implement a ranking system. However, we figured that a dumb rank average would suck: something that one user ranked 5 stars would have a better average that something 188 users ranked 4 stars, and that's just stupid. So I'm wondering if any of you have an example algorithm of "smart" ranking. It only needs to take in account the rankings given and the number of rankings. Thanks!

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• Git - Is there a way to view the number of lines committed by Author?

  - by Ben Reeves

  Does anyone no of a command or script that will output each author that has committed to the project followed by the number of lines they have contributed. e.g. something similar to the following: Author Insertions Deletions Bob Dole 1240 409 Sarah J 481 140 Jim Helper 388 23 Cheers, Ben

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• How to get the number of days of difference between two dates on mysql?

  - by Audel

  I need to get the number of days contained within a couple of dates on mysql. For example: Check in date 12-04-2010 Check out date 15-04-2010 and the day difference would be 3 I hope that was clear Thanks

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• How to make an access database where both users with and without an ID number can make a transaction

  - by louise

  I am trying to create an access 2007 database that allows staff that already have ID numbers to make a transaction and also other guest users who do not have ID number make a transaction. What is the best way todo this in access? A transaction involves taking an item out of inventory. Therefore if one a user (staff or external) has an item out of inventory then no other users can get a hold of that item. Thanks, Any Ideas would be most appreciated!

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• How to arrange an array in decreasing order of frequency of each number?

  - by Rajendra

  Input : {5, 13, 6, 5, 13, 7, 8, 6, 5} Output : {5, 5, 5, 13, 13, 6, 6, 7, 8} The question is to arrange the numbers in the array in decreasing order of their frequency, preserving the order of their occurrence. If there is a tie, like in this example between 13 and 6, then the number occurring first in the input array would come first in the output array.

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• What is a magic number, and why is it bad?

  - by Adam Davis

  What is a magic number? Why should it be avoided? Are there cases where it's appropriate?

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