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• Java array of arry [matrix] of an integer partition with fixed term

  - by user335209

  Hello, for my study purpose I need to build an array of array filled with the partitions of an integer with fixed term. That is given an integer, suppose 10 and given the fixed number of terms, suppose 5 I need to populate an array like this 10 0 0 0 0 9 0 0 0 1 8 0 0 0 2 7 0 0 0 3 ............ 9 0 0 1 0 8 0 0 1 1 ............. 7 0 1 1 0 6 0 1 1…

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• Construct an array from an existing array

  - by Luv

  Given an array of integers A[1...n-1] where 'N' is the length of array A[ ]. Construct an array B such that B[i] = min(A[i], A[i+1], ..., A[i+K-1]), where K will be given. Array B will have N-K+1 elements. We can solve the problem using min-heaps Construct min-heap for k elements - O(k) For every next element delete the first element and…

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• Difference between array('Acl' => array('type' => 'requester')) and array('Acl' => 'requester') in C

  - by Jonnie

  I'm following the ACL tutorial for CakePHP 1.3 and I was wondering if there is a functional difference between declaring a behavior like this: var $actsAs = array('Acl' => 'requester'); and like this: var $actsAs = array('Acl' => array('type' => 'requester'));

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• Creating a short unique string for each unique long string

  - by king.net

  I'm trying to create a url shortener system in c# and asp.net mvc. I know about hashtable and I know how to create a redirect system etc. The problem is indexing long urls in database. Some urls may have up to 4000 character length, and it seems it is a bad idea to index this kind of strings. The question is: How can I create a unique short…

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• Efficient way of calculating average difference of array elements from array average value

  - by Saysmaster

  Is there a way to calculate the average distance of array elements from array average value, by only "visiting" each array element once? (I search for an algorithm) Example: Array : [ 1 , 5 , 4 , 9 , 6 ] Average : ( 1 + 5 + 4 + 9 + 6 ) / 5 = 5 Distance Array : [|1-5|, |5-5|, |4-5|, |9-5|, |6-5|] = [4 , 0 , 1 , 4 , 1 ] Average Distance : (…

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• Figure out if element is present in multi-dimensional array in python

  - by Terje

  I am parsing a log containing nicknames and hostnames. I want to end up with an array that contains the hostname and the latest used nickname. I have the following code, which only creates a list over the hostnames: hostnames = [] # while(parsing): # nick = nick_on_current_line # host = host_on_current_line if host in hostnames: …

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• jquery - array problem help pls.

  - by russp

  Sorry folks, I really need help with posting an array problem. I would imaging it's quite simple, but beyond me. I have this JQuery function (using sortables) $(function() { $("#col1, #col2, #col3, #col4").sortable({ connectWith: '.column', items: '.portlet:not(.ui-state-disabled)', stop : function () { serial_1 =…

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• Best practice Java - String array constant and indexing it

  - by Pramod

  For string constants its usual to use a class with final String values. But whats the best practice for storing string array. I want to store different categories in a constant array and everytime a category has been selected, I want to know which category it belongs to and process based on that. Addition : To make…

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• Php 2d array as C# 2d array/struct

  - by ile

  I'm using MailChimp's API to subscribe email to a list. Function listsubscribe() is used for email subscription: public static listSubscribe(string apikey, string id, string email_address, array merge_vars, string email_type, boolean double_optin, boolean update_existing, boolean replace_interests, boolean…

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• PHP array : simple question about multidimensional array

  - by Tristan

  Hello, i've got a SQL query which returns multiple rows, and i have : $data = array( "nom" => $row['nom'] , "prix" => $row['rapport'], "average" => "$moyenne_ge" ); which is perfect, but only if my query returns one row. i tried that : $data = array();…

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• mysql unique-constraint

  - by Cypher

  I have two tables -- Variables (id, name) and Variable_Entries (id, var_id, value). I want each variable to have a unique set of entries. If I make the value entry unique then a different variable won't be able to have that same value which is not right. Is there some way to make…

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• UNIQUE Constraints in SQL (MS-SQL)

  - by rockbala

  Why are UNIQUE Constraints needed in database ? Can you provide any examples ? Primary Key is UNIQUE by default... Understandable as they are referred in other tables as Foreign keys... relation is needed to connect them for rdbms platform... but why would one refer to other…

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• UNIQUE Constraints in SQL (SQL Server)

  - by rockbala

  Why are UNIQUE Constraints needed in database ? Can you provide any examples ? Primary Key is UNIQUE by default... Understandable as they are referred in other tables as Foreign keys... relation is needed to connect them for rdbms platform... but why would one refer to other…

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• Filtering out unique rows in MySQL

  - by jpatokal

  So I've got a large amount of SQL data that looks basically like this: user | src | dst 1 | 1 | 1 1 | 1 | 1 1 | 1 | 2 1 | 1 | 2 2 | 1 | 1 2 | 1 | 3 I want to filter out pairs of (src,dst) that are unique to one user (even if that user has…

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• Convert array of hashes to array of structs?

  - by keruilin

  Let's say I have two objects: User and Race. User has two attributes: first_name, last_name. And Race has three attributes: course, start_time, end_time. Now let's say I create an array of hashes like this: user_races = races.map{ |race| {:user = race.user, :race =…

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• Problem in searching String array [on hold]

  - by user2573607

  I'm working on a bank interface project, where I have to search an array of string when the user types in his username. The array has 10 strings, but only the first string is recognized as a valid username...I'm positive that the syntax of the search technique(Linear…

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• multi-dimension array value sorting in php

  - by David

  Another potentially interesting (or n00b, whatever comes first) question. I am building up an array with a set of database fields with information about table, actual field name and descriptive field name as a multi-dimensional array. Here is what it currently looks…

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• how to change type of value in an php array and sorting it..is it possible ?

  - by justjoe

  hi, i got problem with my code and hopefully someone able to figure it out. The main purpose is to sort array based on its value (then reindex its numerical key). i got this sample of filename : $filename = array("index 198.php", "index 192.php", "index…

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• How to handle key in PhP array if the key contains japanese characters [migrated]

  - by Jim Thio

  I have this array: [ID] => ????????-???????????__35.79_139.72 [Email] => [InBuildingAddress] => [Price] => [Street] => [Title] => ???????? ??????????? [Website] => [Zip] => [Rating Star] => 0 [Rating Weight] => 0 [Latitude]…

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• Sorting a 2D array in obj-c?

  - by Debashis

  I have a 2D array as follows: [[@"string value", @"string value", NSInteger], [@"string value", @"string value", NSInteger], [@"string value", @"string value", NSInteger]] How would I sort the second dimension of arrays by the NSInteger?

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• Java: Bidimencional Array with methods/capabilities similar to ArrayList

  - by Paulocoghi

  I want to create an XY array of integers (or whatever type), but I want to use methods like "add", "remove", "contains", "indexOf" similar to ArrayList class. Is there any existing class with these capabilities? PS: I don't want to create an ArrayList of…

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• Java: Bidimensional Array with methods/capabilities similar to ArrayList

  - by Paulocoghi

  I want to create an XY array of integers (or whatever type), but I want to use methods like "add", "remove", "contains", "indexOf" similar to ArrayList class. Is there any existing class with these capabilities? PS: I don't want to create an ArrayList of…

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• array intersect for object array php

  - by zahir hussain

  hi i want to know how to array_intersect for object array. thanks and advance

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• Convert char array to int array c++

  - by Yadira Suazo

  I`m having problems converting a char array read from file to an int array. Maybe someone can help me. This is my code: char vectorPatron[67]; int iPatrones[67]; archivo = fopen("1_0.txt", "r"); for(i=0;i<67;i++){ fscanf(archivo, "%c",…

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• Android java assigning 2d array to 3d array

  - by semajhan

  I'm running into problems trying to assign a 2d array to a 3d array, so I thought i'd ask a question about 3d and 2d arrays. Say I have a masterArray[][][] and wanted to put childArray1[][] and childArray2[][] into it. This is how I have done…

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