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• letters or numbers only in a password with jquery

  - by Greg

  Hi, I found this code for alphanumeric check ("Letters, numbers, spaces or underscores") but I want to change so I will be able to write only letters or numbers. Can anyone tell me how to change this code: function(value, element) { return this.optional(element) || /^\w+$/i.test(value);} Thanks! Greg

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• program to print odd numbers and even numbers on seperate threads

  - by robertjohn123

  Hi, I am learning programming using pthreads. How can I write a program to print odd numbers and even numbers on separate threads.

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• Big numbers in C

  - by teehoo

  I need help working with very big numbers. According to Windows calc, the exponent 174^55 = 1.6990597648061509725749329578093e+123. How would I store this using C (c99 standard). int main(){ long long int x = 174^55; //result is 153 printf("%lld\n", x); } For those curious, it is for a school project where we are implementing the RSA…

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• Problem in displaying numbers in Flex AdvancedDataGrid

  - by user211607

  Hi, I am able to display any data (numbers) in Flex AdvancedDataGrid except data with lot of digits after decimal places (0.000000000029103830456733704) or exponential numbers (293E-17). Grid is displaying -17 instead of 293E-17. Is it happening because of any limit to displaying data range in grid? If yes, what is the limit? …

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• Converting numbers to their language, how?

  - by SoLoGHoST

  Ok, I'm using mathematical equations to output numbers, though, I need this to be compatible for all languages. Currently, all language strings are within a php array called $txt, and each key of the array gets called for that language. I'm outputting the following: Column 1, Column 2, Column 3, and so on, as well as Row 1, Row 2,…

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• Retrieving the top 100 numbers from one hundred million of numbers

  - by didxga

  One of my friend been asked with a question, Retrieving the max top 100 numbers from one hundred million of numbers, in a recent job interview. Do you have any idea to come up with an efficient way to solve it? regards!

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• given a list of up to 10 integer numbers and a sum, will display a subset of the numbers whose total

  - by Felix

  Write a program which, given a list of up to 10 integer numbers and a sum, will display a subset of the numbers whose total is that sum if one exists or indicate that none exists otherwise. For example, for the list: 5,13,24,9,3,3 and sum = 28, your program should display 13, 9, 3, 3. How to do this in C++ using a recursive…

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• Trying to grab several random videos from database, but it just shows the same one all the time.

  - by Birk

  Hi guys, I'm trying to grab several random videos from my database, and have them show on a page. However, it just keeps on grabbing the same video rather than several different ones. So I end up with 5 of the same video rather than 5 different ones. Here's the grab random PHP code file... and after it is the template…

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• Using a random string to authenticate HMAC?

  - by mrwooster

  I am designing a simple webservice and want to use HMAC for authentication to the service. For the purpose of this question we have: a web service at example.com a secret key shared between a user and the server [K] a consumer ID which is known to the user and the server (but is not necessarily secret) [D] a message…

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• Difference between a pseudo code and algorithm?

  - by Vamsi Emani

  Technically, Is there a difference between these two words or can we use them interchangeably? Both of them more or less describe the logical sequence of steps that follow in solving a problem. ain't it? SO why do we actually use two such words if they are meant to talk of the same? Or, In case if they aren't…

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• Tunnels in pseudo 3D racing game

  - by Nicholas

  How would one go about doing tunnels in a pseudo 3D racing game ? The main problem I have at the moment is perspective - I cant think of a way, beyond having to Z sort the sprites and tunnel coordinates, so that vehicles are displayed in front of the tunnel entrance and somehow block the display when out of…

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• how to generate random number from array

  - by Jessy

  How to generate random number from an array? and not from a range. int n [] = {1,7,3,5,8,10,33,12,18}

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• Generate a random alphanumeric string in cocoa

  - by Ward

  Hey there, I know this can't be that hard. I've searched, but I can't seem to find a simple solution. I want to call a method, pass it the length and have it generate a random alphanumeric string. Any ideas? Are there any utility libraries out there that may have a bunch of these types of functions? …

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• Random numbers from -10 to 10 in C++

  - by Chris_45

  How does one make random numbers in the interval -10 to 10 in C++ ? srand(int(time(0)));//seed for(int i = 0; i < size; i++){ myArray[i] = 1 + rand() % 20 - 10;//this will give from -9 to 10 myArray2[i] =rand() % 20 - 10;//and this will -10 to 9 }

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• random number generator monkey test diehard

  - by sewa80

  Hi, I have a question about Diehard Testtool. My Random Number Generator doesn't passed monkey test (DNA Test). One p-value was 0. Is this critical? How can I interpret the result? Thank you in advance!

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• Most Efficient Way To Retrieve MYSQL data in random order PHP

  - by Belgin Fish

  Hey, I have a query like so SELECT * FROM table WHERE premium = 3 I'm just wondering how I can have it return a random order for the results! i was told not to use ORDER BY RAND(); because of the amount of system resources it uses. Thanks.

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• How would I create a truly random number?

  - by Elliot Bonneville

  How would I create a truly random number using C++? I've heard that one should use the time as a seed, but I'm not sure how to do that with the correct syntax. How would I do this?

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• SQL Random number not working

  - by JMSA

  declare @fieldForceCounter as int declare @SaleDate as dateTime declare @RandomNoSeed as decimal set @fieldForceCounter = 1 set @SaleDate = '1 Jan 2009' set @RandomNoSeed = 0.0 WHILE @fieldForceCounter <= 3 BEGIN while @SaleDate <= '1 Dec 2009' begin INSERT INTO…

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• Random loading swf files into main swf with countdown timer

  - by Plugger

  ok guys a question, can this be done or has it already been done, or can someone point me in the right direction (be aware i an a total newbie with action script) i have a main swf movie about 600px x 400 px what i want is this to run for say 30 seconds, then i want a countdown timer in…

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• Random object generator in JavaScript

  - by Gjorgji

  Hi, I need a random object generator in JavaScript that generates a variety of objects with different fields and values. Any ideas where I can find such tool? Thanks, Gjorgji.

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• No Secure Random Number Generators Available in JDK

  - by rwbutler

  Hi, I am currently running JDK 6 on Windows 7 and have installed the Unlimited Strength Policy Files. I wrote a Java app some time ago which used to work but now fails, giving an error message indicating that the SHA1PRNG SecureRandom is not available. I have tried printing a list of…

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• How to random specific letters ?

  - by Ivan

  I've started writing some JAVA code and now I want to get a random letter from list of letters given so what should I use for this.

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• Random record in ActiveRecord

  - by astrofoo

  I'm in need of getting a random record from a table via ActiveRecord. I've followed the example from Jamis Buck from 2006. However, I've also come across another way via a Google search (can't attribute with a link due to new user restrictions): rand_id = rand(Model.count) …

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• iDVD Random Transitions

  - by mracoker

  I am creating a dvd slide show using iDVD and I see how to add transtions manually but what I would like to do is have iDVD insert random transitions for me. Is this possible?

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• How to get 2 random (different) elements from a c++ vector

  - by Peter Smit

  I would like to get 2 random different elements from an std::vector. How can I do this so that: It is fast (it is done thousands of times in my algorithm) It is elegant The elements selection is really uniformly distributed

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