associative array

NanyiDate: May 30, 20091.A few days ago, I realized that there was a simplified data interchange format called YAML.I rummaged through its documentation, not much to understand, but there was a word that made me enlightened.It says that,

http://www.json.org/Documnt:http://stleary.github.io/json-java/index.htmlJSON QuickStart (Java edition) http://www.imooc.com/learn/523Turn from: Ruan Yi Feng Great god's "data type and JSON format"

The usual array is implicitly or displays the specified array subscript when it fills, but the array in JS can be assigned a value in the form of a name, which forms an associative array, such as:var arr=New Array (); arr["China"]=

1.7 arrays and associative arrays An array is a very important part of Shell scripting, and it uses indexes to store multiple independent independent data as a collection. An ordinary array can use integers only as an array index, and

A few days ago, I realized that there was a simplified data interchange format called YAML. I rummaged through its documentation, not much to understand, but there was a word that made me enlightened.It says that, structurally, all data can

After the PHP script is named. PHP, the code is placed in the parentheses below: Echo can print information, similar to printf. End Each statement with a semicolon;. PHP supports three kinds of annotation methods:

NanyiDate: May 30, 20091.A few days ago, I realized that there was a simplified data interchange format called YAML.I rummaged through its documentation, not much to understand, but there was a word that made me enlightened.It says that,

String type operation The string is the most basic type of Redis, and the string type is binary safe. This means that a Redis string can contain any data. For example, JPG images or serialized objects $redis->set (' key ', ' TK '); $redis->set ('

This article mainly introduces the PHP + Redis basic operation, has a certain reference value, now share to everyone, the need for friends can refer to String type operation The string is the most basic type of Redis, and the string type is binary

Indexed array InitializationPHP has two types of arrays: indexed arrays, associative arrays.Indexes and associations two words are for the keys of an array.The index array is first introduced, the index array is an array of integers, and the key's

1, quickly create an array of function range ()For example, the range () function can quickly create arrays of numbers from 1 to 9: Copy CodeThe code is as follows: $numbers =range (1,9); echo $numbers [1]; ?> Of course, using range (9,1) creates

1 Find the character position function: Strpos ($str, Search,[int]): Find the first position of search in $str starting with int; Stripos ($str, search,[int]): function returns the position of the first occurrence of a string in another string. This

Title, the original has been mistakenly thought JS inside can not be like PHP definition associative array, such as a["color"]=red; But a few days ago, I found it possible. Would you like to ask if this is a more efficient way of defining than

Several methods of mysqli processing query result set in PHP, mysqli query results 　　Recently the PHP query MySQL processing result set of several methods are not quite clear of the place to consult the data, in this collation note PHP uses the

Reprinted: http://www.cnblogs.com/gkl0818/archive/2009/02/25/1397769.htmlOracle collectionsI. Types of Collections1. associative arrays ArrayIt is a one-dimensional, borderless sparse set of the same type and can only be used for PL/SQL.DeclareType

Structurally, all data can eventually be decomposed into three types: The first type is scalar (scalar), which is a single string (string) or number (numbers), such as "Beijing", a separate word. The second type is the sequence

1. What is the definition of a variable? How do I check that a variable is defined? How do I delete a variable? How do I detect if a variable is set? $ defines whether the isset ()//check variable is setDefined ()//Detect constants are setUnset

As a C + + programmer, in the process of PHP development, the PHP array produced some confusion, and C + + array has a similar place, there are some differences, the following is a comprehensive analysis of the PHP array and its corresponding data

process-oriented approachMusqli Expanding library Operations MySQL database steps:1. Get the connection and select the database// Grammar Mysqli_connect (host,username,password,dbname,port,socket); $conn=mysqli_connect("127.0.0.1", ' Root ', ' ',

establishing interfaces with databasesWordPress provides users with a series of function class--wpdb for database operations. The Wpdb class is based on the Ezsql class that Justin Vincent writes and maintains.Notice of UseMethods in the Wpdb class