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  • Search a string for certain numbers

    - by Hassan Gulzar
    Hello! I'm trying to come up with a lightning fast solution to find portions in a string. Here is a Sample string: "PostLoad successful! You transferred amount of 17.00 Rs to 03334224222. Now use PostLoad by dialing 123. PostLoad on SMS will end on 01-03-2011." Objective: Need to retrieve the bold values: Amount and Cell Number. The string contents change slightly but the cell number will always be a 11 digit. The amount is always with two decimal precision. Any suggestions using C# and RegEx?

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  • Convert numbers to enumeration of strings in bash

    - by User1
    Using bash, I have a list of strings that I want to use to replace an int. Here's an example: day1=Monday day2=Tuesday day3=Wednesday day4=Thursday day5=Friday day6=Saturday day7=Sunday If I have an int, $dow, to represent the day of the week, how do I print the actual string? I tried this: echo ${day`echo $dow`} but get error of "bad substitution". How do I make this work? Note: I can change the $day variables to a list or something.

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  • comparing int values in android

    - by user1183066
    I am making an android game that is checking the players health value when this method is being runned. But however, it's not reacting. It doesn't do anything, when the value is less than 3, it shouldn't do anything, but when it is equal to 3, it should run a method. Please help me and thanks SO much in advance! This is the code that i am using: private void checkLivesLeftValue() { if (livesLeftValue == 3) { //Message to display: "You lost! onMethod(); } else { livesLeftValue = livesLeftValue + 1; } }

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  • Increment an index that uses numbers and characters

    - by Martin
    I have a string based code that can be either two or three characters in length and I am looking for some help in creating a function that will increment it. Each 'digit' of the code has a value of 0 to 9 and A to Z. some examples: the first code in the sequence is 000 009 - next code is - 00A 00D - next code is - 00E AAZ - next code is - AB0 the last code is ZZZ. Hope this makes some sense.

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  • Computing e^(-j) in C..

    - by Erkan H
    I need to compute imaginary exponential in C. As far as I know, there is no complex number library in C. It is possible to get e^x with exp(x) of math.h, but how can I compute the value of e^(-j), where j = sqrt(-1)?

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  • String generator issue

    - by Andrey
    I want to write a method which returns a string. So far so good. The creation of the string however is quite complicated. I have 3 string lists - the first one has 155 entries, the second one - 9, the third one 21. I want my method if called enough times(155*9*21) to return all the possible combinations of values from the 3 lists (basically this method should keep count on how many times it was called and return only one combination each time). Any ideas how to accomplish that? I have 155*9*22 possible combinations. The first time the method is called it should take List1(0), List2(0), List3(0). After that in the next 21 iterations, the index of the third list is only changed. Once all the elements from the third list have been used increment the index of the second list and so on. Once the method has produced all the possible combinations (155*9*22) I want it to start from the beginning.

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  • Regular expression - starting and ending with a letter, accepting only letters, numbers and _

    - by jreid9001
    I'm trying to write a regular expression which specifies that text should start with a letter, every character should be a letter, number or underscore, there should not be 2 underscores in a row and it should end with a letter or number. At the moment, the only thing I have is ^[a-zA-Z]\w[a-zA-Z1-9_] but this doesn't seem to work properly since it only ever matches 3 characters, and allows repeated underscores. I also don't know how to specify requirements for the last character.

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  • Database design for business numbers

    - by Rob Morris
    I'm in need of some help, I need to store the information below into a database, what would the relational database structure be for this: Then I need to create a dropdown for the insurance company followed by another dropdown depending on what the first dropdown selected value was, then once both selects have been chosen display the relevant telephone number. I guess i need to query the database, then display the dropdowns using javascript(jquery) or Ajax?

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  • Filling array with numbers

    - by Ockonal
    Hello, I have such situation: There is 8 div-blocks with ids like 'rateN_wrapper' where is 'N' is the number of div: <div id="rate1_wrapper"> <a href="#" id="0_1">...</a> <a href="#" id="0_2">...</a> <a href="#" id="0_3">...</a> </div> <div id="rate2_wrapper"> <a href="#" id="1_1">...</a> <a href="#" id="1_2">...</a> <a href="#" id="1_3">...</a> </div> ... var ratings = new Array(); for (i=0; i < 8; i++) { ratings[i] = -1; // Default is unrated } for (i=0; i < 8; i++) { $('#rate' + i + '_wrapper a').click(function() { ratings[i] = parseInt( $(this).attr('id').split('_')[1] ); console.debug(ratings); }); } My work is to fill array in need place with clicked link's id (parsed). But it's always changes only latest element of array (8). Why?

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  • Words doesn't starts with numbers

    - by pocoa
    I have a string "one two 9three 52eight four", so I only want to get "one two four", because "three" starts with "9" and "eight" starts with "52". I tried: "(?!\d)\w+" but it's still taking the "three" and "eight". I don't want it.

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  • Handling large numbers of sockets with .NET

    - by Dreaddan
    I'm looking at writing a application that need to be able to handle in the region of 200 connections / sec and was wondering if C# and .NET will handle this or if I need to really be looking at C++ to do this? It looks like SocketAsyncEventArgs may be the way to go but thought id check before I plough in to it. Each transaction should only last less than a second but could take up to 15 seconds each if that makes any difference.

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  • Any tools can randomly generate the source code according to a language grammar?

    - by wbsun
    A C program source code can be parsed according to the C grammar(described in CFG) and eventually turned into many ASTs. I am considering if such tool exists: it can do the reverse thing by firstly randomly generating many ASTs, which include tokens that don't have the concrete string values, just the types of the tokens, according to the CFG, then generating the concrete tokens according to the tokens' definitions in the regular expression. I can imagine the first step looks like an iterative non-terminals replacement, which is randomly and can be limited by certain number of iteration times. The second step is just generating randomly strings according to regular expressions. Is there any tool that can do this?

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  • Common strategies to deal with rounding errors in currency-intensive soft?

    - by Max
    What is your advice on: compensation of accumulated error in bulk math operations on collections of Money objects. How is this implemented in your production code? (things like variable rounding, etc...) theory behind rounding in accountancy. any literature on topic. I currently read Fowler. He mentions Money type, but says nothing on strategies. Older posts on money-rounding (here, and here) do not provide a details and formality I need. Thanks for help.

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  • MySQL - generate numbers for groups of a result

    - by FreeIX
    I need a query to return this result: +---------+-----+-------+ | ref_nid | nid | delta | +---------+-----+-------+ | AA | 97 | 1 | | BB | 97 | 2 | | CC | 97 | 3 | | DD | 98 | 1 | | EE | 98 | 2 | | FF | 98 | 3 | +---------+-----+-------+ However, I do not have the delta column. I need to generate it for each nid group. In other words, I need an auto incremented number for each group of the result.

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  • CodeIgniter - numbers in sql query are masked with ``

    - by Checkson
    Hello, i'm using CodeIgniter for developing a community board. As I'm using nested sets to get a nested forum hierarchy, I have to run a lot of queries such as: SELECT `id` FROM `forums` WHERE 1 BETWEEN `lft` AND `rgt` My problem: CodeIgniter is replacing the "1" by "`1`" because the "1" is recognized as a column name. Of course, the query does not work any more. Is there a way to get it working? thx in advance

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  • LINQ display row numbers

    - by timvaines
    I simply want to include a row number against the returned results of my query. I found the following post that describes what I am trying to achieve but gives me an exception http://vaultofthoughts.net/LINQRowNumberColumn.aspx "An expression tree may not contain an assignment operator" In MS SQL I would just use the ROWNUMBER() function, I'm simply looking for the equivalent in LINQ.

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  • What this number means?

    - by FinalDestiny
    I have one number that has something related to the currentdate : 634101448539930000 634101448627430000 (this information was took 9 seconds later than the first one) I have many codes like this and I need to know what those number means. It's something related to the current time, because the new information has always a bigger number than the older ones. Please if anybody could help me, thanks

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  • How to save massive numbers in php...

    - by James Rattray
    I want Pi to like 100,000,000 decimals/digits... And variables (well for me) say they have a limit of 67,000,000 bytes... Is there any way around this? can you save the first 10,000 characters/digits into one? can you save it into an array 10,000 in each? Is there a way? If so how? Thanks alot...

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  • Finding an odd perfect number

    - by Coin Bird
    I wrote these two methods to determine if a number is perfect. My prof wants me to combine them to find out if there is an odd perfect number. I know there isn't one(that is known), but I need to actually write the code to prove that. The issue is with my main method. I tested the two test methods. I tried debugging and it gets stuck on the number 5, though I can't figure out why. Here is my code: public class Lab6 { public static void main (String[]args) { int testNum = 3; while (testNum != sum_of_divisors(testNum) && testNum%2 != 0) testNum++; } public static int sum_of_divisors(int numDiv) { int count = 1; int totalDivisors = 0; while (count < numDiv) if (numDiv%count == 0) { totalDivisors = totalDivisors + count; count++; } else count++; return totalDivisors; } public static boolean is_perfect(int numPerfect) { int count = 1; int totalPerfect = 0; while (totalPerfect < numPerfect) { totalPerfect = totalPerfect + count; count++; } if (numPerfect == totalPerfect) return true; else return false; } }

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