nimble array

Php basic knowledge Summary (1) array, basic knowledge array I. Sorting1. asort-Positive Sorting to maintain the index relationship2. arsort-reverse sorting to maintain the index relationship3. sort -- sorting from the lowest to the highest4. ksort -- sort by key name5. krsort-sort by key name in reverse order6. rsort-reverse sort (the highest to the lowest), delete the original key name, and assign the new

Fourth. Arrays, associative arrays, and aliases using array noun explanationsarrays, as a special kind of data structure, have their place in any programming language, and arrays are a very important part of the shell script, which uses indexes to store multiple independent data as a single role.GrammarAn ordinary array can use integers only as an index value for an array.Defining arrays格式：arrary[key]=value

1. Arrays and pointersint array[5] = {1,2,3,4,5}; // Defining Arrays 1. Pointer and array relationshipsint * pa = array;　　pa = array; // p[0] = = * (p+0) = = Array[0] = = * (array+0) printf ("%p\n", PA); printf ("%p\n

In PHP, the normal data type of the parameter pass is assigned by copy, and the object object will pass the reference to the objects, in the function call or direct assignment will follow this rule, and in PHP, the array () is passed to the ordinary data type (with our is passed when the array is passed, the array cannot be copied using clone, but the entire

Array.prototypeThe standard method on an object is designed to be reused on other objects-even if it is not an object that inherits from an array. Therefore, passbook some class array object (Array-like Objects) in JavaScript. A typical example is the arguments object of the function, which is described in Item 22. The object does not inherit from Array.prototype

Array and array traversal, array Traversal I learned php intermittently for a while, but I still cannot understand it well. Now I have sorted out arrays and traversal arrays. Starting from the basics: Php arrays are divided into index arrays and relational arrays, The index array is the subscript starting from, 4...,

During programming, I often forget the usage of some Arrays. I only remember that there is such a function. I don't know how to use it. now I use it as a manual. During programming, I often forget the usage of some Arrays. I only remember that there is such a function. I don't know how to use it. now I am using it as a manual .. Range ($ low, $ high), range ($ low, $ high, $ step); // create an array of sequential values, for example, range () is) ano

js array elements of the addition and deletion has been confused, today finally found the details of the information, first give me a test code ^-^ var arr = new Array (); arr[0] = "AAA"; arr[1] = "BBB"; arr[2] = "CCC"; //alert (arr.length);//3 Arr.pop (); //alert (arr.length);//2//alert (arr[arr.length-1]);//BBB Arr.pop (); //alert (arr[arr.length-1]);//AAA//alert ( arr.length);//1 var arr2 = new

the difference between an array pointer and an array of pointers Click to open the link Array pointer (also called row pointer)define INT (*p) [n];() A high priority, first of all, that P is a pointer to a one-dimensional array of integers, the length of the one-dimensional array