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• How create UIImage from bytes ?

  - by Sergey

  Hello, all! I need in UIImage created from my colors (for example, i need in image 1x1 pixel with black color). I've got array: unsigned char *color[] = {0, 0, 0, 1}; How can i create UIImage from this array ? I've try unsigned char *bytes[4] = {0,0,0,1}; NSData *data = [NSData dataWithBytes:bytes length:4]; UIImage *img = [UIImage imageWithData:data]; but this method has no result...

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• Return Selected Phone Address from iPhone Address Book

  - by Ali

  Hey, I found a tutorial online that extends that Apple QuickStart Application which is the basic Address Book Application and another that returns the first phone number regardless of what phone number was clicked. I want to display only the selected phone number in the label. The label is called phoneNumber: - (BOOL)peoplePickerNavigationController: (ABPeoplePickerNavigationController *)peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person property:(ABPropertyID)property identifier:(ABMultiValueIdentifier)identifier{ ABMutableMultiValueRef phoneMulti = ABRecordCopyValue(person, kABPersonPhoneProperty); NSMutableArray *phones = [[NSMutableArray alloc] init]; int i; for (i = 0; i < ABMultiValueGetCount(phoneMulti); i++) { NSString *aPhone = [(NSString*)ABMultiValueCopyValueAtIndex(phoneMulti, i)autorelease]; [phones addObject:aPhone]; } NSString *mobileNo = [phones objectAtIndex:0]; self.phoneNumber.text = phones; [self dismissModalViewControllerAnimated:YES]; return NO; } How do I ensure that the label is the one selected by the user and not just the first array entry(or any other array entry i code in) Thanks

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• PHP4 HTTP Post without cURL

  - by Luke

  I have the following code that works on PHP5 to send a HTTP POST without using cURL. I would like this to work on PHP 4.3.0 and above: $opts = array('http' => array( 'method' => 'POST', 'header' => "Content-type: application/x-www-form-urlencoded\r\n" . "Content-Type: application/json\r\n", 'content' => $query ) ); $context = stream_context_create($opts); $result = file_get_contents($url, false, $context); HTTP context is only supported on PHP5. Is there anyway to make this work with PHP 4.3.0 - I need a fallback method if PHP5 or cURL is not installed.

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• Kohana3: Different .htaccess rewritebase and kohana base_url for dev and production environment

  - by Svish

  In my bootstrap.php I have the following: if($_SERVER['SERVER_NAME'] == 'localhost') Kohana::$environment = 'development'; else Kohana::$environment = 'production'; ... switch(Kohana::$environment) { case 'development': $settings = array('base_url' => '/kohana/', 'index_file' => FALSE); break; default: $settings = array('base_url' => '/', 'index_file' => FALSE); break; } In .htaccesshave this: # Installation directory RewriteBase /kohana/ This means that if I just upload my kohana application, it will break because the RewriteBase in the .htaccess file will be wrong. Is there a way I can have a conditional in the .htaccess file similar to the one I have in the bootstrap so that it will use the correct RewriteBase?

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• JavaScript Multi-Dimensional Arrays

  - by JasonS

  This wasn't the question I was going to ask but I have unexpectedly run aground with JavaScript arrays. I come from a PHP background and after looking at a few websites I am none the wiser. I am trying to create a multi-dimensional array. var photos = new Array; var a = 0; $("#photos img").each(function(i) { photos[a]["url"] = this.src; photos[a]["caption"] = this.alt; photos[a]["background"] = this.css('background-color'); a++; }); Error message: photos[a] is undefined. How do I do this? Thanks.

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• In PHP how do I complete a regex that returns only what was grouped

  - by maestrojed

  I want to perform a regex using grouping. I am only interested in the grouping, its all I want returned. Is this possible? $haystack = '<a href="/foo.php">Go To Foo</a>'; $needle = '/href="(.*)">/'; preg_match($needle,$haystack,$matches); print_r($matches); //Outputs //Array ( [0] => href="/foo.php"> [1] => /foo.php ) //I want: //Array ( [0] => /foo.php )

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• Stop a custom submit button from firing the form validation on a CCK form

  - by kidrobot

  I've added a submit button inside a fieldgroup on a CCK form using hook_form_alter as follows: function mymodule_form_alter(&$form, $form_state, $form_id) { if ($form_id == 'object_node_form') { $form['group_wikipedia']['search'] = array( '#type' => 'submit', '#value' => t('Search Wikipedia'), '#name' => 'searchwiki', '#submit' => array('mymodule_searchwiki_submit'), ); } } When I press the button, the validation handlers for the full form eg. checks for required fields, run as though I have pressed the 'Submit' button at the end of the form. I thought that changing the #name property from 'op' to 'searchwiki' would prevent this kind of mix-up, but not so. Does anyone know a workaround for this?

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• Facebook Connect: problem including facebook class??

  - by Garrett

  Debug Error: /facebook-php-sdk/src/facebook.php line 511 - Uncaught CurlException: 60: SSL certificate problem, verify that the CA cert is OK. Details: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed i really can't understand why this is happening... but here is the line (in the facebook class i downloaded): protected function makeRequest($url, $params, $ch=null) { if (!$ch) { $ch = curl_init(); } $opts = self::$CURL_OPTS; $opts[CURLOPT_POSTFIELDS] = $params; $opts[CURLOPT_URL] = $url; curl_setopt_array($ch, $opts); $result = curl_exec($ch); if ($result === false) { $e = new FacebookApiException(array( /////////////////// HERE 'error_code' => curl_errno($ch), 'error' => array( 'message' => curl_error($ch), 'type' => 'CurlException', ), )); curl_close($ch); throw $e; } curl_close($ch); return $result; } any ideas? thanks!

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• perl regex groups

  - by Aaron Moodie

  I've currenly trying to pull out dates from a file and feed them directly into an array. My regex is working, but I have 6 groups in it, all of which are being added to the array, when I only want the first one. @dates = (@dates, ($line =~ /((0[1-9]|[12][0-9]|3[01])(\/|\-)(0[1-9]|1[0-2])(\/|\-)([0-9][0-9][0-9][0-9]|[0-9][0-9]))/g )); is there a simple way to grab the $1 group of a perl regex? my output is looking like this: 13/04/2009, 13, /, 04, /, 2009, 14-12-09, 14, -, 12, -, 09

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• WordPress - Each page of paged posts all show same posts

  - by j-man86

  I set up a pagination function for my wordpress blog. When clicking to the next page, the URL is correct: "/page/1", "/page/2", "/page/3" etc, but the actual posts don't change from page to page (page 2 and page 3 still display the first page of posts). Here's the code I'm using for the loop: <?php $paged = (get_query_var('paged')) ? get_query_var('paged') : 1; $sticky=get_option('sticky_posts'); $args=array( 'offset' => 1, 'category__not_in' => array(-6), 'paged'=>$paged, 'showposts' => 6, ); query_posts($args); if ( $wp_query->have_posts() ) : while ( $wp_query->have_posts() ) : $wp_query->the_post(); ?> Any help/insight would be much appreciated. Thank you!

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• Math .Net I want to represent a huuuuge number in .net

  - by Costa

  Hi I remember a class that formulate a huge number in array and do operations on it, What is it Thanks

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• Covariance and Contravariance on the same type argument

  - by William Edmondson

  The C# spec states that an argument type cannot be both covariant and contravariant at the same time. This is apparent when creating a covariant or contravariant interface you decorate your type parameters with "out" or "in" respectively. There is not option that allows both at the same time ("outin"). Is this limitation simply a language specific constraint or are there deeper, more fundamental reasons based in category theory that would make you not want your type to be both covariant and contravariant? Edit: My understanding was that arrays were actually both covariant and contravariant. public class Pet{} public class Cat : Pet{} public class Siamese : Cat{} Cat[] cats = new Cat[10]; Pet[] pets = new Pet[10]; Siamese[] siameseCats = new Siamese[10]; //Cat array is covariant pets = cats; //Cat array is also contravariant since it accepts conversions from wider types cats = siameseCats;

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• Jquery post success variable scope

  - by minirobot

  Hi, I'm trying to return the ajax success array from one function to another. For some reason I don't seem to be able to pass the data stored in a variable in the success part of the ajax function into the parent function to return. Thanks so much for any assistance. Here's a simplified version of the code: // make json_to_return global var json_to_return; function loop_through_data(){ // call the load_days function and put its array data into days_array var days_data = load_days(03,2010); // I'd like to be able to iterate through days_data here // // } function load_days(selectedMonth, selectedYear){ $.ajax({ type: "POST", dataType: "json", url: "../includes/get_availability.php", data: "month=" + selectedMonth + "&year=" + selectedYear, success: function(available_json){ json_to_return = available_json; }, error: function(msg){ alert("error " + msg); } }); return json_to_return; }

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• How can I customise Zend_Form regex error messages?

  - by Matt

  I have the following code: $postcode = $form-createElement('text', 'postcode'); $postcode-setLabel('Post code:'); $postcode-addValidator('regex', false, array('/^[a-z]{1,3}[0-9]{1,3} ?[0-9]{1,3}[a-z]{1,3}$/i')); $postcode-addFilters(array('StringToUpper')); $postcode-setRequired(true); It creates an input field in a form and sets a regex validation rule and works just fine. The problem is that the error message it displays when a user enters an invalid postcode is this: 'POSTCODE' does not match against pattern '/^[a-z]{1,3}[0-9]{1,3} ?[0-9]{1,3}[a-z]{1,3}$/i' (where input was POSTCODE) How can I change this message to be a little more friendly?

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• Saving selected rows in a jqGrid while paging

  - by Dan

  I have a jqGrid with which users will select records. A large number of records could be selected across multiple pages. The selected rows seem to get cleared out when the user pages through the data. Is it up to the developer to manually track the selected rows in an array? I'm fine doing this, but I'm not sure what the best way is. I'm not sure I want to be splicing an array whenever any number of records are selected as that seems like it could really slow things down. My end goal is to have a jQueryUI dialog that, when closed, while store all the selected rows so I can post it to the server. Insight, questions, comments; all are appreciated! Note: added aspnetmvc tag only because this is for an MVC app

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• BIC generator - Generate BIC from IBAN bank account number

  - by Tim

  Is there any existing library or script I can use to generate the BIC code from an IBAN bank account number (and other necessary information)? I've searched the web, but found only IBAN generators. Thanks in advance! Edit: Solution for Belgian IBAN's There exists a webservice for Belgian iban numbers, it's very easy to get the bic from the iban bank account number. $client = new SoapClient('http://www.ibanbic.be/IBANBIC.asmx?WSDL'); $bban = $client->getBelgianBBAN(array('Value' => $iban))->getBelgianBBANResult; $bic = $client->BBANtoBIC(array('Value' => $bban))->BBANtoBICResult; I've searched for a dutch webservice aswell, but I couldn't find one. But you can always make one yourself with the data from http://www.betaalvereniging.nl/europees-betalen/sepa-documentatie/bic-afleiden-uit-iban/

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• Lua - Iterate Through Table With nil Values

  - by Tony Trozzo

  My lua function receives a table that is of the array form: { field1, field2, nil, field3, } No keys, only values. I'm trying to convert this to a pseudo CSV form by grabbing all the fields and concatenating them into a string. Here is my function: function ArenaRewind:ConvertToCSV(tableName) csvRecord = "\n" for i,v in pairs(tableName) do if v == nil then v = "nil" end csvRecord = csvRecord .. "\"" .. v .. "\"" if i ~= #tableName then csvRecord = csvRecord .. "," end end return csvRecord end Not the prettiest code by any means, but it seems to iterate through them and grab all the non-nil values. The other table iteration function is ipairs() which stops as soon as it hits a nil value. Is there any easy way to grab all of these fields including the nil values? The tables are various sizes, so I hope to refrain from accessing each part like an array [i.e., tableName[1] through tableName[4]) and just grabbing the nil values that way. Thanks in advance.

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• PHP SOAP Transfering Files

  - by blackmage

  Hey, I am new to SOAP and I am trying to learn how to transfer files (.zip files) between a client and server using PHP and SOAP. Currently I have a set up that looks something like this: enter code here require('libraries/nusoap/nusoap.php'); $server = new nusoap_server; $server-configureWSDL('server', 'urn:server'); $server-wsdl-schemaTargetNamespace = 'urn:server'; $server-register('sendFile', array('value' = 'xsd:string'), array('return' = 'xsd:string'), 'urn:server', 'urn:server#sendFile'); But I am unsure on what the return type should be if not a string? I am thinking of using a base64_encode but I am not sure how to. Any advice would be greatly appreciated.

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• PHP string manipulation, inside the string

  - by James

  I have string: ABCDEFGHIJK And I have two arrays of positions in that string that I want to insert different things to. Array ( [0] => 0 [1] => 5 ) Array ( [0] => 7 [1] => 9 ) Which if I decided to add the # character and the = character, it'd produce: #ABCDE=FG#HI=JK Is there any way I can do this without a complicated set of substr? Also, # and = need to be variables that can be of any length, not just one character.

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• Convert 2 bytes to a number

  - by Vaccano

  I have a control that has a byte array in it. Every now and then there are two bytes that tell me some info about number of future items in the array. So as an example I could have: ... ... Item [4] = 7 Item [5] = 0 ... ... The value of this is clearly 7. But what about this? ... ... Item [4] = 0 Item [5] = 7 ... ... Any idea on what that equates to (as an normal int)? I went to binary and thought it may be 11100000000 which equals 1792. But I don't know if that is how it really works (ie does it use the whole 8 items for the byte). Is there any way to know this with out testing? Note: I am using C# 3.0 and visual studio 2008

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• Constructing a hash table/hash function.

  - by nn

  Hi, I would like to construct a hash table that looks up keys in sequences (strings) of bytes ranging from 1 to 15 bytes. I would like to store an integer value, so I imagine an array for hashing would suffice. I'm having difficulty conceptualizing how to construct a hash function such that given the key would give an index into the array. Any assistance would be much appreiated. The maximum number of entries in the hash is: 4081*15 + 4081*14 + ... 4081 = 4081((15*(16))/2) = 489720. So for example: int table[489720]; int lookup(unsigned char *key) { int index = hash(key); return table[index]; } How can I compute hash(key). I'd preferably like to get a perfect hash function. Thanks.

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• android: using listpreference and retrieving key string...

  - by Allan

  I have a settings menu that pops up and in it is a listpreference type menu. It is associated with a settings.xml file where there are 'array-strings' within it. It all works good but I don't know how to retrieve the users preference. As an example, let's say the user picks a color (red, green, or blue). The list that I've made within my 'array-strings' contain the text red, green, and blue. Within my code, I would like to do something if the user has choosen red, something else if they choose blue, etc., etc. Would I use a 'case' statement or an 'if' statement? And most importantly, how would I retrieve the users preference - the key? (am I checking for a boolean?) Help would be appreciated...thank you...

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• iphone - mutableArray cannot store nil objects

  - by Mike

  I have a mutable array that is retained and storing several objects. At some point, one object may become nil. When this happens the app will crash, because arrays cannot have nil objects. Imagine something like [object1, object2, object3, nil]; then, object2 = nil [object1, nil, object3, nil]; that is not possible because nil is the end of array marker. So, how can I solve that? thanks for any help.

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• PHP Exec command - How to pass input to a series of questions

  - by user556597

  I have a program on my linux server that asks the same series of questions each time it executes and then provides several lines of output. My goal is to automate the input and output with a php script. I know how to capture the output in an array by writing: $out = array(); exec("my/path/program",$out); But how do I handle the input? Assume the program asks 3 questions and valid answers are: left 120 n What is the easiest way using php to pass that input to the program? Can I do it somehow on the exec line? I’m not a php noob but simply have never needed to do this before. Alas, my googling is going in circles.

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• rendering JSON in GRAILS with part of the attributes of an object

  - by bsreekanth

  Hello, I am trying to build JSON from two fields. Say, I have a list of object(party), and I only need to pass 2 items as JSON pair. def list = getMyList() //it contains 2 party objects partyTo = array { for (i in list) { x partyId: i.id y partyName: i.toString() } } The JSON string is {"partyTo":[ {"partyId":12}, {"partyName":"Ar"}, {"partyId":9}, {"partyName":"Sr"} ] } when I extract it at the client, it is treated as 4 objects. I wanted as 2 objects, with the below format. {"partyTo":[ {"partyId":12 , "partyName":"Ar"}, {"partyId":9 , "partyName":"Sr"} ] } I'm getting 4 objects, probably because I use an array to build JSON. I'm new to groovy and JSON, so not sure about the right syntax combinations. Any help highly appreciated. thanks.

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