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  • Compress a php array

    - by Derek Adair
    I need to take an array that looks something like ... array( 11 => "fistVal", 19 => "secondVal", 120=> "thirdVal", 200 =>"fourthVal"); and convert it to... array( 0 => "fistVal", 1 => "secondVal", 2=> "thirdVal", 3 =>"fourthVal"); This is what I came up with - function compressArray($array){ if(count($array){ $counter = 0; $compressedArray = array(); foreach($array as $cur){ $compressedArray[$count] = $cur; $count++; } return $compressedArray; } else { return false; } } I'm just curious if there is any built-in functionality in php or neat tricks to do this.

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  • Add inputs to more than one row in a cell array in matlab

    - by ZaZu
    Hi there, I would like to know how can I get certain inputs and put them in more than one row in the cell array ... I basically want an array that updates one input per row in ever loop. The loop is looped 30 times, so I want to have 30 rows and 2 columns ( x and y columns) I have this code : For N=1:30 . . . Binary = bwlabel(blacknwhite); s = regionprops(Binary,'centroid'); centroids = cat(1, s.Centroid); hold(imgca,'on') plot(imgca,centroids(1,1), centroids(1,2),'r*') . . . end I dont think this does what I want ... only the first row is updated in my loop .. So how can I create this cell array ? If you want more info please tell me and I will update it right away. Thanks !

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  • Send a String[] ArrayList over Socket connection

    - by Duncan Palmer
    So i'm trying to send a String[] Array/List over an open socket connection. I currently have this code: Sending: public void sendData() { try { OutputStream socketStream = socket.getOutputStream(); ObjectOutputStream objectOutput = new ObjectOutputStream(socketStream); objectOutput.writeObject(new String[] {"Test", "Test2", "Test3"}); objectOutput.close(); socketStream.close(); } catch (Exception e) { System.out.println(e.toString()); } } Recieving: public Object readData() { try { InputStream socketStream = socket.getInputStream(); ObjectInputStream objectInput = new ObjectInputStream(new GZIPInputStream(socketStream)); Object a = objectInput.readObject(); return a; } catch(Exception e) { return null; } } After I have recieved the String array/list on the other end I want to be able to iterate through it like I would do normally so I can get the values. My current code doesn't seem to works as it returns null as the value. is this possible?

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  • Problem with PHP array index.

    - by user632027
    Following code: <?php $test_array = array(); $test_array['string_index'] = "data in string index"; $test_array[] = "data in index 0"; $test_array[] = "data in index 1"; $test_array[] = "data in index 2"; foreach($test_array as $key => $val) { if($key != 'string_index') { echo $val."<br>"; } } ?> gives result: data in index 1 data in index 2 Question is - where is "data in index 0"??? How to get elements from numeric indices 0-n? Also if I change 'string_index' to something else which doesn't exist, it echoes everything except [0]. Plz, explain me this. Thnx in advance

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  • how to filter text of the selected value in drop down

    - by Carlos
    I have a drop down menu. Has product types. Product types have associated value (from drop down) values correspond to machine groups. So each option should have three variables--Machine name, values, machine group. I can get the Machine name and I can get the machine value (and display them in a different field)...what I have not been able to figure out is how to change the value into the Machine group. jQuery('#MachineName').bind('change', function() { //get selected value from drop down; var selectedValue = jQuery("#MachineName").val(); //populate a text field with the selected drop down value jQuery("#MachineValue").val(selectedValue); What I would like to do is keep that MachineValue but then populate another text field with the sorted MachineGroup I have been trying to run it through something like switch(jQuery(this).val()){ case "236" : newVal = "8"; break; But I don't want to "change" the value I just want to do an "if then" type filter, so maybe something like: '236' => "8", '237' => "5", I just don't know how to properly say "assign the MachineGroup based on the MachineValue" (and then have it populate a different text field) In the end I would have three fields. The drop down, the MachineValue and the MachineGroup. Drop down and value are done, I just need to do Group. (And I can sort Group based on MachineName...just not sure which would be easier)

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  • float** allocation limit + serialized struct problem. Need advice!

    - by jmgunn
    basically im getting an allocation limit error/warning when i create a float** array. the function i am calling to fill the float** retrieves data from a struct loaded from a file. The function works fine when i use one object but when i load 2 objects into memory i get the limit error. I am pretty sure this is to do with byte alignment or a similar thing because my struct is saved with a float** member which i am sure you are not susposed to do !?! Please confirm this! The next question i have now is how to save/serialize the float** member of this struct? I cant really afford to put an upper bound on the array ie "float [10000][3]" because i need/want to use this structure as a base for many other types of objects that may have well under the upper bound. Stroking my chin here! Any help/advice will recieve my highest gratitude. BTW these said struct objects will be used in a game/graphics package, the float** is a float[3] array for storing vertices in a model. Much thanks in advance

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  • Easy way to cast an object array into another type in C#

    - by Na7coldwater
    I want to be able to be able to quickly cast an array of objects to a different type, such as String, but the following code doesn't work: String[] a = new String[2]; a[0] = "Hello"; a[1] = "World"; ArrayList b = new ArrayList(a); String[] c = (String[]) b.ToArray(); And I don't want to have to do this: String[] a = new String[2]; a[0] = "Hello"; a[1] = "World"; ArrayList b = new ArrayList(a); Object[] temp = b.ToArray(); Object[] temp = b.ToArray(); String[] c = new String[temp.Length]; for(int i=0;i<temp.Length;i++) { c[i] = (String) temp[i]; } Is there an easy way to do this without using a temporary variable?

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  • Save data from array in variable

    - by marcin_poland
    SOLVED! I`m trying save data from array in variable. I have in controller: $data = array('upload_data' => $this->upload->data()); and I know that in this array are data about uploading file. One with this date is "file_name", and I want to save this value in controller at variable. I try with: $image_name= $data['file_name']; But this not working. I use CodeIginter 2.1.3 framework. Good solution is: $data['upload_data']['file_name']; Thanks for help!

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  • PHP array minor problem

    - by Sennheiser
    I'm really not sure how to explain this. It's so simple I can't fathom why it's not working. I have a loop. It puts a bunch of strings into an array. If I fill a single variable with any given string, it will output it perfectly. But filling an array with the strings will make it give me the dreaded: Array Array Array Array Array Array Array Array Note: my strings are not all 'Array'. The way I loop is: while(...) { $arr[] = $resultFromLoop; } Here is my var_dump. array(1) { ["tagName"]=> string(5) "magic" } array(1) { ["tagName"]=> string(4) "nunu" } array(1) { ["tagName"]=> string(5) "books" } array(1) { ["tagName"]=> string(0) "" } array(1) { ["tagName"]=> string(3) "zzz" } array(1) { ["tagName"]=> string(4) "grey" } array(1) { ["tagName"]=> string(3) "new" } array(1) { ["tagName"]=> string(6) "flight" }

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  • How to get exactly typeof is object/array/null..?

    - by 3gwebtrain
    var obj = {},ar = [],nothing=null,empty=undefined,word ='string',headorTail = true; console.log(typeof obj) //object console.log(typeof ar)//object console.log(typeof nothing)//object console.log(typeof empty)//undefined console.log(typeof word)//string console.log(typeof headorTail)//boolean But how can i get the type of obj,ar,nothing as "object, array,null" - what is the best way to achieve this?

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  • preg_replace replacing with array

    - by Scott
    What I want to do is replace the "[replace]" in input string with the corresponding vaule in the replace array. The total number of values will change but there will always be the same number in the replace array as in input string. I have tried doing this with preg_replace and preg_replace_callback but I can't get the pattern right for [replace], I also tried using vsprintf but the % in <table width="100%"> was messing it up. All help is greatly appreciated! Replace Array: $array = array('value 1','value 2','value 3'); Input String $string = ' <table width="100%"> <tr> <td>Name:</td> <td>[replace]</td> </tr> <tr> <td>Date:</td> <td>[replace]</td> </tr> <tr> <td>Info:</td> <td>[replace]</td> </tr> </table> '; Desired Result <table width="100%"> <tr> <td>Name:</td> <td>value 1</td> </tr> <tr> <td>Date:</td> <td>value 2</td> </tr> <tr> <td>Info:</td> <td>value 3</td> </tr> </table>

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  • removing the first value in an array c# or java

    - by MrCode
    hey there i was working on a program and was thinking is it possible was to remove the value from the first element in an array. Has anyone any ideas on how this could be done ? thanks for all input is much appreciated. i have only tried removing from the last element wasnt sure on how i would remove the first this is how i done the last element try { if (isEmpty()) { throw new Exception("list is empty"); } size = size -1; return values[size]; } catch(Exception e) { System.out.println(e); return -1; }

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  • How do you send an array as part of an (jquery) ajax request

    - by Ankur
    I tried to send an array as part of an ajax request like this: var query = []; // in between I add some values to 'query' $.ajax({ url: "MyServlet", data: query, dataType: "json", success: function(noOfResults) { alert(noOfResults); } }); } I wanted to see what I get back in the servlet, so I used this line: System.out.println(request.getParameterMap().toString()); Which returned {} suggesting an empty map. Firebug tells me I am getting a 400 bad request error If I send a queryString like attribute=value as the 'data' then everything works fine, so it has to do with not being able to send an array as is. What do I have to do to get that data into the servlet for further processing. I don't want to pull it out and turn it into a queryString in the JS if I can avoid it. EDIT: I used the .serializeArray() (jQuery) function before sending the data. I don't get the 400 but nothing useful is being sent through.

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  • 3x3 array = 10 numbers

    - by user1708505
    i have this code #include <math.h> #include <stdio.h> const int n = 3; const int s = 3; int getm(int mat[n][s]); int printm(int mat[n][s]); int main() { int m[n][s]; getm(m); printm(m); return 0; } int getm(int mat[n][s]) { for(int x = 0;x < n;x++) { for (int y = 0;y<s;y++) { scanf("%i ", &mat[x][y]); } } return 0; } int printm(int mat[n][s]) { for(int x = 0;x<n;x++) { for(int y = 0;y<s;y++) { printf("%i ", mat[x][y]); if(y==(s-1)) { printf("\n"); } } } } which shoud ask for 9 numbers to make a 3x3 matrix array, but it actually asks for 10 numbers, printm is working well - printing only 9 numbers. Where is error?

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  • Explode URL Query String Issue

    - by Ian McAbee
    PHP newbie here.. I am trying to create a function where the user is redirected back to the previous page after adding an item to their cart. However, when they are redirected back with the code below it leaves a duplicate of the directory (ie. example.com/catalog/garden-tools/garden-tools function custom_add_to_cart_redirect() { $_SERVER['REQUEST_URI_PATH'] = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH); $url = explode('/', rtrim($_SERVER['REQUEST_URI_PATH'], '/')); return $url[3]; } A print_r reveals the following: Array ( [0] => [1] => thefarmshop [2] => catalog [3] => garden-tools [4] => gardening-glove ) What could the issue be?

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  • Easy - Read a file into a array

    - by ineedtehhelpz
    So I have a .dat file that just holds a list of names, each name is on a new line. I am having a day of complete mental blanks but how would I go about getting those names out of the file and puting them into a array. Thanks for any help

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  • PHP - Pull out array keys that have matching values?

    - by MAZUMA
    Is there a way to look inside an array and pull out the keys that have keys with matching values? Questions like this have been asked, but I'm not finding anything conclusive. So if my array looks like this Array ( [0] => Array ( [title] => Title 1 [type] => [message] => ) [1] => Array ( [title] => Title 2 [type] => [message] => ) [2] => Array ( [title] => Title 3 [type] => [message] => ) [3] => Array ( [title] => Title 2 [type] => Limited [message] => 39 ) [4] => Array ( [title] => Title 4 [type] => Offline [message] => 41 ) [5] => Array ( [title] => Title 5 [type] => [message] => ) And I want to get this Array ( [1] => Array ( [title] => Title 2 [type] => [message] => ) [3] => Array ( [title] => Title 2 [type] => Limited [message] => 39 ) )

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  • display 25 randomnumbers from an array

    - by qwerty
    Hello, I have in C++ an array of 100 elements, so v[1], ... ,v[100] contains numbers. How can i display, 25 random numbers from this array? So i wanna select 25 random positions from this array and display the values.. How can i do this in C++? Thanks!

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  • Data transformation question

    - by tkm
    I have data composed of a list of employers and a list of workers. Each has a many-to-many relationship with the other (so an employer can have many workers, and a worker can have many employers). The way the data is retrieved (and given to me) is as follows: each employer has an array of workers. In other words: employer n has: worker x, worker y etc. So I have a bunch of employer objects each containing an array of workers. I need to transform this data (and basically invert the relationship). I need to have a bunch of worker objects, each containing and array of employers. In other words: worker x has: employer n1, employer n2 etc. The context is hypothetical so please don't comment on why I need this or why I am doing it this way. I would really just like help on the algorithm to perform this transformation (there isn't that much data so I would prefer readability over complex optimizations which reduce complexity). (Oh and I am using Java, but pseudocode would be fine). Thanks!

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  • In C, during step by step debugging in a function, how can i view the content of an array in the "Autos?" window along with the other variables?

    - by AppsAndGo
    I'm using VS 2012, and I'm working on a bubble sort. After searching I found a nifty trick to see the content of the array in the "Watch 1" tab, (How to view contents of an array while debugging in Code Blocks?), but going from "watch 1" to "Autos" every step to see what's changing in the array isn't practical at all. How can i see the array content within "Autos" along side my other changing variables, where i need it to show?

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  • Is possible use 'div id' as name of array?

    - by rflfn
    Please view this jsfiddle jsfiddle.net/rflfn/uS4jd/ This is other try jsfiddle.net/rflfn/T3ZT6/ I'm using SMOF to developper Wordpress theme, I need make one function to change some values when link is clicked, but when I make array with name of div, the array returns null value... <a class="button" id="settext1">Some Link</a> <br /> <a class="button" id="settext2">Another Link</a> <br /> <a class="button" id="settext3">Link 3</a> <br /> JQ: $(document).ready(function(){ // var col_settext1 = new Array(); // <-- I need make this array with name of DIV cliked col_settext1['field_id1']='#FF0000'; col_settext1['field_id2']='#00FFFF'; // var txt_settext1 = new Array(); // <-- I need make this array with name of DIV cliked txt_settext1['field_id3']='Some Text Here'; txt_settext1['field_id4']='Another Text Here'; // var txt_settext2 = new Array(); // <-- I need make this array with name of DIV cliked txt_settext2['field_id5']='Some Text Here'; // var col_settext2 = new Array(); // <-- I need make this array with name of DIV cliked col_settext2['field_id6']='Another Text Here'; // var chk_settext2 = new Array(); // <-- I need make this array with name of DIV cliked chk_settext2['field_id7']="checked"; }); $('.button').click(function(){ $myclass = this.id; $col = 'col_' + $myclass; $txt = 'txt_' + $myclass; $chk = 'chk_' + $myclass; // Based I clicked on the link 'settext1', Here I have this: // col_settext1 // txt_settext1 // chk_settext1 // THE PROBLEM ARE HERE! $col = new Array(); // <--- Here I use name of DIV as Array, but the value is lost... $txt = new Array(); $chk = new Array(); // Test... alert($col); // <--- Here no have any value :( alert($col[1]); // <--- Here no have any value :( for (id in $col) { // 'id' is value of array --> col_settext1['field_id1']='#FF0000'; // do function based on array values... // just example: alert(id); } for (id in $txt) { // 'id' is value of array --> txt_settext1['field_id1']='#FF0000'; // do function based on array values... } for (id in $chk) { // 'id' is value of array --> chk_settext1['field_id1']='#FF0000'; // do function based on array values... } }); Is possible use name of the div as array name? Any suggestion or any other method to solve this problem is welcome.

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