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• jquery ajax and php arrays

  - by sea_1987

  Hi There, I am trying to submit some data to a PHP script, however the PHP scripts expects the data to arrive in a specific format, like this example which is a dump of the post, Array ( [save] => Add to shortlist [cv_file] => Array ( [849709537] => Y [849709616] => Y [849709633] => Y ) ) The process is currently that a user…

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• Are variable length arrays possible with Javascript

  - by Ankur

  I want to make a variable length array in Javascript. Is this possible. A quick google search for "Javascript variable length array" doesn't seem to yield anything, which would be surprising if it were possible to do this. Should I instead have a String that I keep appending to with a separator character instead, or is there a better way to…

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• removing pairs of elements from numpy arrays that are NaN (or another value) in Python

  - by user248237

  I have an array with two columns in numpy. For example: a = array([[1, 5, nan, 6], [10, 6, 6, nan]]) a = transpose(a) I want to efficiently iterate through the two columns, a[:, 0] and a[:, 1] and remove any pairs that meet a certain condition, in this case if they are NaN. The obvious way I can think of is: new_a = [] for…

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• Splitting integers in arrays to individual digits

  - by Neville

  hello all. I have an array: int test[]={10212,10202,11000,11000,11010}; I want to split the inetger values to individual digits and place them in a new array as individual elements such that my array now is: int test2[]={1,0,2,1,2,1,0,2,0,2,1,1,0,0,0,1,1,0,0,0,1,1,0,1,0}; How would i go about doing that? I'm doing this in java. …

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• Javascript - sorting arrays containing positive and negative "decimal" numbers

  - by hhj

  I originally had the following callback passed as a parameter to the javascript array sort() function: function sortNumber(a,b) { return a-b; } However this doesn't work when my array contains positive and negative decimal numbers (i.e. -107.578, 97.453 etc.) How would I modify this to sort properly?

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• Confused about copying Arrays in Objective-C

  - by Sheehan Alam

  Lets say I have an array X that contains [A,B,C,D,nil]; and I have a second array Y that contains [E,F,G,H,I,J,nil]; If I execute the following: //Append y to x [x addObjectsFromArray:y]; //Empty y and copy x [y removeAllObjects]; y = [x mutableCopy]; What is the value of y? is it?: [A,B,C,D,E,F,G,H,I,J,nil] Am I performing the…

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• C++ assignment operators dynamic arrays

  - by user2905445

  First off i know the multiplying part is wrong but i have some questions about the code. 1. When i am overloading my operator+ i print out the matrix using cout << *this then right after i return *this and when i do a+b on matix a and matix b it doesnt give me the same thing this is very confusing. 2. When i make matrix c down in…

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• Looping through JSON arrays

  - by George

  I'm trying to pull the field names in the header of some JSON output. The following is a sample of the JSON header info: {"HEADER":{"company":{"label":"Company Name"},"streetaddress":{"label":"Street Address"},"ceo":{"label":"CEO Name","fields":{"firstname":{"label":"First Name"},"lastname":{"label":"Last Name"}}} I'm able to loop…

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• Function pointer arrays in Fortran

  - by Eduardo Dobay

  I can create function pointers in Fortran 90, with code like real, external :: f and then use f as an argument to another function/subroutine. But what if I want an array of function pointers? In C I would just do double (*f[])(int); to create an array of functions returning double and taking an integer argument. I tried the…

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• Reading a large file into Perl array of arrays and manipulating the output for different purposes

  - by Brian D.

  Hello, I am relatively new to Perl and have only used it for converting small files into different formats and feeding data between programs. Now, I need to step it up a little. I have a file of DNA data that is 5,905 lines long, with 32 fields per line. The fields are not delimited by anything and vary in length within the…

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• Errors/warnings passing int/char arrays by reference

  - by Ankur Banerjee

  I'm working on a program where I try to pass parameters by reference. I'm trying to pass a 2D int array and a 1D char array by reference. Function prototype: void foo (int* (&a)[2][2], char* (&b)[4]) Function call: foo (a, b); However, when I compile the code with -ansi and -Wall flags on gcc, I get the following…

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• static arrays defined with unspecified size, empty brackets?

  - by ahmadabdolkader

  For the C++ code fragment below: class Foo { int a[]; // no error }; int a[]; // error: storage size of 'a' isn't known void bar() { int a[]; // error: storage size of 'a' isn't known } why isn't the member variable causing an error too? and what is the meaning of this member variable? I'm using gcc version…

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• bash arrays - what is difference between ${#array_name[*]} and ${#array_name[@]}

  - by Ravi

  bash-3.00$ cat arr.bash #!/bin/bash declare -a myarray myarray[2]="two" myarray[5]="five" echo ${#myarray[*]} echo ${#myarray[@]} bash-3.00$ ./arr.bash 2 2 both are giving number of elements of array. So what is difference between the two?

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• foreach loop from multiple arrays c#

  - by Mike

  This should be a simple question. All I want to know is if there is a better way of coding this. I want to do a foreach loop for every array, without having to redeclare the foreach loop. Is there a way c# projects this? I was thinking of putting this in a Collection...? Please, critique my code. foreach (TextBox…

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• Jagged Edge Arrays in PHP

  - by chriscct7

  I want to store some data in (I guess a semi-2, semi-3d array) in PHP (5.3) What I need to do is store data about each floor like this: Floor Num of Spots Handicap Motorcyle Other 1 100 array(15,16,17) array (47,62) array (99,100) 2 100 array(15,16,17) …

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• dynamically created arrays

  - by DevAno1

  My task consists of two parts. First I have to create globbal char array of 100 elements, and insert some text to it using cin. Afterwards calculate amount of chars, and create dedicated array with the length of the inputted text. I was thinking about following solution : char[100]inputData; int main() { cin…

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• How do char arrays work in C?

  - by eSKay

  #include<stdio.h> int main() { char a[5]="hello"; puts(a); //prints hello } Why does the code compile correctly? We need six places to store "hello", correct?

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• How to merge duplicates in 2D python arrays

  - by Wei Lou

  Hi, I have a set of data similar to this: No Start Time End Time CallType Info 1 13:14:37.236 13:14:53.700 Ping1 RTT(Avr):160ms 2 13:14:58.955 13:15:29.984 Ping2 RTT(Avr):40ms 3 13:19:12.754 13:19:14.757 Ping3_1 RTT(Avr):620ms 3 13:19:12.754 Ping3_2 RTT(Avr):210ms 4 13:14:58.955 13:15:29.984 Ping4 …

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• Best practice for writing ARRAYS

  - by Douglas

  I've got an array with about 250 entries in it, each their own array of values. Each entry is a point on a map, and each array holds info for: name, another array for points this point can connect to, latitude, longitude, short for of name, a boolean, and another boolean The array has been written by…

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• Order Multidimensional Arrays PHP

  - by ronsandova

  Hi everyone I have some problem to order an array by a field of this, here i leave the example foreach($xml as $site){ echo '<div><a href="'.$site->loc.'">'.$site->loc.'</a>' .$site->padre.'</div>'; } Some times the filed $site->padre is empty but i'd like to order by…

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• HTML Calendar form and input arrays

  - by Christopher Ickes

  Hello. Looking for the best practice here... Have a form that consists of a calendar. Each day of the calendar has 2 text input fields - customer and check-in. What would be the best & most efficient way to send this form to PHP for processing? <form action="post"> <div class="day"> …

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• Retrieving data from enumerated JSON sub arrays in Javascript without getJSON

  - by Archie Ec

  I'm new to JSON and ajax, but i'm trying to access data in an array where the items are enumerated in a sub array within another sub array. So, I can access without issues data.items[0].details.specs.name data.items[0].details.specs.id etc But I run into problems with I try to access something like …

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• Are JavaScript arrays associative?

  - by Lem0n

  For instance, if I do a[1000000]=1; will it use memory for 1000000 elements or just for this one?

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• How to find every possible combination of arrays in PHP

  - by DenverZ

  $data = array( 'a' => array('a1', 'a2', 'a3'), 'b' => array('b1', 'b2', 'b3', 'b4'), 'c' => array('c1', 'c2', 'c3', 'c4', 'c5')); to get a1 a2 a3 b1 b2 b3 b4 c1 c2 c3 c4 c5 a1 b1 a1 b2 a1 b3 a1 b4 a1 c1 a1 c2 a1 c3 a1 c4 a1 c5 b1 c1 b1 c2 b1 c3 b1 c4 b1 c5 b2 c1 b2 c2 b2 c3 b2 c4 b2 c5 b3…

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• 'Array of arrays' in matlab?

  - by waitinforatrain

  Hey, having a wee bit of trouble. Trying to assign a variable length 1d array to different values of an array, e.g. a(1) = [1, 0.13,0.52,0.3]; a(2) = [1, 0, .268]; However, I get the error: ??? In an assignment A(I) = B, the number of elements in B and I must be the same. Error in ==> lab2…

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