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PHP 2021-11-12 03:56:12
php check if value exists in multidimensional array
// 1d array in_array('something', $array); // 2d array array_column($multi_array, 'your_column'); /** 0 => ['hi'=>0, 'your_column'=>1, 'hi'=>0, 'your_column'=>3] will be [1, 3] and then you can apply the in_array function on that new arra... Add solution -
Javascript 2021-11-09 20:03:17
search for a value in an array of objects javascript and get its index
// Get index of object with specific value in array const needle = 3; const haystack = [{ id: 1 }, { id: 2 }, { id: 3 }]; const index = haystack.findIndex(item => item.id === needle); Add solution -
Other 2021-11-09 19:39:29
huffman coding algorithm code
// Huffman Coding in C++ #include <iostream> using namespace std; #define MAX_TREE_HT 50 struct MinHNode { unsigned freq; char item; struct MinHNode *left, *right; }; struct MinH { unsigned size; unsigned capacity; struct MinHNode **... Add solution -
Swift 2021-11-08 19:00:13
swift retrieve value from dictionary
var companies = ["AAPL" : "Apple Inc", "GOOG" : "Google Inc", "AMZN" : "Amazon.com, Inc", "FB" : "Facebook Inc"] for (key, value) in companies { print("\(key) -> ... Add solution -
Other 2021-11-06 16:54:23
add_meta_box
/** * Calls the class on the post edit screen. */ function call_someClass() { new someClass(); } if ( is_admin() ) { add_action( 'load-post.php', 'call_someClass' )... Add solution
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