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A relatively good PHP calendar Code Copy code The Code is as follows: /** * Calendar * * Copyright (c) 2007 by Chen Yixin (Deep Space). All Rights Reserved * To contact the author write to {@ link mailto: shenkong@php.net} * @ Author Chen Yixin

Differences between A, R, M, and D methods in Thinkphp In Thinkphp, there are several methods to instantiate an object. For classes, there are methods A and R. The difference is that method A is only an Object Instantiation, the R method can

PHP predefined InterfaceIntroduction There are several predefined interfaces in PHP, And the IteratorAggregate (aggregate Iterator) IteratorAggregate extends Traversable {abstract public Traversable getIterator (void )} this interface implements a

PHP preferred method for determining null array: count ($ arr), size ($ arr ); Copy codeThe Code is as follows: $ arr = array (""); Echo count ($ arr ); Echo size ($ arr ); // Output 1 Copy codeThe Code is as follows: $ arr = array ();Echo

PDO is a major new feature of PHP 5, because php4/php3 before PHP 5 was a bunch of database extensions to connect to and process various databases, php_mysql.dll, php_pgsql.dll, php_mssql.dll, php_sqlite.dll, and other extensions to connect to MySQL,

Copy codeThe Code is as follows: // Author: www.tongqiong.com // Header ("content-type: text/html; charset = UTF-8 "); // Include_once ("include/config. php "); // Include_once ("include/db_mysql.inc.php "); /// Include_once

Both $ * and $ @ provide quick access to all parameters, both of which can store all command line parameters in a single variable. $ * The variable saves all the parameters provided on the command line as a single word and is treated as a single

I have been learning Shell recently. I used to think that Shell syntax is very difficult and hard to learn. Now I have some gains. In fact, Shell scripts are a collection of linux commands. You can understand what the commands in each step of the

#! /Bin/bash Xmlname = "background-0.xml"If [$ #-lt 3]; thenEcho-e "\ 033 [1; 33 m ------------------------------------------------------------------------------ \ 033 [0 m"Cat Decripition:This tool lists all files in 'pictures-dir' and generate a

Linux/Unix shell scripts clear archive log files for DEV and UAT environments, sometimes the database needs to be in archive mode, but it does not need to be backed up. Therefore, the constant increase in archive archiving logs results in a large

PHP gets the value of textarea and handles the method of carriage return, textarea carriage return line This example describes how PHP gets the value of the textarea and handles the carriage return line-wrapping method. Share to everyone for your

1. Date_default_timezone_setdate_default_timezone_set- Setting the default time zone for all datetime functions in a scriptWhen you use only the Mktime () function in PHP, you sometimes get an error, and the workaround is to add a line after

1. Write Script/root/bin/systeminfo.sh, display the current host system information, including hostname, IPV4 address,OS version, kernel version, CPU model, memory size, hard disk size.Analysis:Explain:This is a stack of commands, and it's easy to

It's good to judge whether an array is empty or not. Count if the output is 0 then the array is empty and the following is the simple test code. PHP to determine whether the array is empty code$arr = Array ();echo count ($arr);?>The array is empty

Introduction to the PDO Operations database tutorial We started constructing the first PDO application, creating a pdo.php tutorial file in the Web document directory:The PDO feature is really powerful, and there are a few things I haven't talked

Since school so many years, have come to learn from an example is the fastest and most effective, and can cultivate a strong practical ability, which is a very A good way to learn. Try not to visit. For example, when you look at a book, start with

Shell The shell also has a way of executing commands called batching (Batch), in which the user writes a shell script, which has many commands that allow the shell to execute the commands one at a time without having to hit the command one by one.

Wrote a script to view the APK signature with the shell. The code is very small and simple.Supports recursive directory queries#!/bin/bash# how to use the./getcertificate.sh xx.apkget_signature () {path= ' jar tf ' $ ' | grep RSA ' #查找apk中RSA文件 jar

A more good PHP calendar code Copy Code code as follows: /** * Calendar * * Copyright (c) 2007 by Chen Yixin (Deep Space). All rights reserved * To contacts the author write to {@link mailto:shenkong@php.net} * @author Chen Yixin

Tonight, when writing a form validation class for a framework, you need to determine whether a string length is within a specified range, and naturally, think of the strlen function in PHP. Copy Code code as follows: $str = ' Hello