associative

问题 I have 2 assoc. Arrays which have the same structure, but only one ID is identical. I need to add content to the MainArray from the IncludeArray everytime the specific ID is identical. Here are a sample of the Arrays (MainArray could hold up to 100 or more items, the sample contains only a portion of the real content): $MainArray = Array ( [0] => Array ( [item_id] => 1 [name] => Test1 [helptxt] => Helptext for item-id 1. [type_id] => 1 #could be the same for many other items!! ) [1] => Array

问题 I have an array that I want to show in a class diagram. protected static $config = array( 'host' => 'localhost', 'username' => '', 'password' => '', 'dbname' => '' ); is this a correct way : $config( key: 'localhost', value: '', key: 'username', value: '', key: 'password', value: '', key: 'dbname', value: '') and underlined the whole line for static 回答1: Usually one doesn't use UML to configure things, but you can do it. You would need to create instance specifications to get the result you

问题 This question already has answers here : PHP parse/syntax errors; and how to solve them? (17 answers) Closed 4 years ago . I'm just looking for a push in the right direction here. I am trying to create an associate array using a session. The intent is that when a user adds an item to the cart, the item and quantity is added to the array. I am getting a "Parse error: syntax error, unexpected T_DOUBLE_ARROW" error on line 13. I think I am just going about it wrong. <?php $action = $_GET['action

问题 I need to sort associative array by JS for one of my projects. I found this function, that works great in firefox, but unfortunately it doesnt work in IE8, OPERA, CHROME... Cant find the way to make it work in other browsers, or find another function that would fit the purpose. I really appreciate any help. function sortAssoc(aInput) { var aTemp = []; for (var sKey in aInput) aTemp.push([sKey, aInput[sKey].length]); aTemp.sort(function () {return arguments[0][1] < arguments[1][1]}); var

问题 I have an associative array like this Array ( ["News 1"] => Array ( [text] => tests [language] => [advertiserCompetitionScale] => 5 [avgSearchVolume] => 7480000 [lastMonthSearchVolume] => 9140000 ) ["News 2"] => Array ( [text] => personality tests [language] => [advertiserCompetitionScale] => 5 [avgSearchVolume] => 165000 [lastMonthSearchVolume] => 201000 ) ["News 3] => Array ( [text] => online tests [language] => [advertiserCompetitionScale] => 5 [avgSearchVolume] => 246000

问题 I have XML data which looks like this: <?xml version='1.0' encoding='ISO-8859-1'?> <cocktail_list> <cocktail> <name> Blue Hawaiian </name> <ingredient> <quantity>1</quantity> <shot>White Rum</shot> </ingredient> <ingredient> <quantity>1</quantity> <shot>Blue Curacao</shot> </ingredient> <ingredient> <quantity>2</quantity> <shot>Pineapple Juice</shot> </ingredient> <ingredient> <quantity>1</quantity> <shot>Coconut Cream</shot> </ingredient> </cocktail> <cocktail>... </cocktail_list> Using

问题 I want to convert the arguments to a function into an associative array with keys equal to the parameter variable names, and values equal to the parameter values. PHP: function my_function($a, $b, $c) { // <--- magic goes here to create the $params array var_dump($params['a'] === $a); // Should result in bool(true) var_dump($params['b'] === $b); // Should result in bool(true) var_dump($params['c'] === $c); // Should result in bool(true) } How can I do this? 回答1: The you can do this using

问题 When some codes like this: objc_setAssociatedObject ( obj, &key, val, OBJC_ASSOCIATION_RETAIN ); Do I need to call related objc_setAssociatedObject ( obj, &key, nil, OBJC_ASSOCIATION_RETAIN ); to release the retained value? Does Objective-C runtime auto release the associative references in dealloc or somewhere? 回答1: Associated objects will be released when the parent object is deallocated. See the documentation here, specifically this example: At point 1, the string overview is still valid

问题 I'm trying to write a script in bash using an associative array. I have a file called data : a,b,c,d,e,f g,h,i,j,k,l The following script: oldIFS=${IFS} IFS="," declare -A assoc while read -a array do assoc["${array[0]}"]="${array[@]" done for key in ${!assoc[@]} do echo "${key} ---> ${assoc[${key}]}" done IFS=${oldIFS} gives me a ---> a b c d e f g ---> g h i j k l I need my output to be: a b ---> c d e f g h ---> i j k l 回答1: oldIFS=${IFS} IFS="," declare -A assoc while read -r -a array do

问题 my task is to implement maps with lists. We defined associative lists as follows: [] is the list, k is a key, v is a value and a is an associative list, then [[k, v] | a] is an associative list. so now ive got to write a predicate, in which it checks if the given argument is a associative list. for example: ?- test([[a,5]]). -> true., ?- test([[1],[2]]). -> false. im really in despair, i hope someone can help me there greetings 回答1: I may say that associative lists in SWI-Prolog are