Which MYSQL Query is faster? how can this problem be solved?

Which query is faster for MYSQL? First, Table 1: primary key is A (20-bit bigint type), and field B is A string (the auto-increment ID of table 2, multiple separate) Table 2: Record 2: record table, field A auto-incrementing, field B is (20-bit

Can you help me run my PHP environment?

Can you help me run my PHP environment? & nbsp; the younger brother uses Zend & nbsp; Studio & nbsp; for & nbsp; Eclipse & nbsp;-& nbsp; 6.1.2 tools for zend & nbsp; framework php application development, & nbsp; can you give me a detailed step? &

Windows + iis + php architecture websites do not display verification codes. how can this problem be solved?

The Windows + iis + php architecture website does not display the verification code http://www.xmfoodcn.com/system/login.phpdo not display the verification code < ;? Phprequire_once & nbsp; '../global. php'; the Windows + iis + php architecture

The yii form can still contain two columns. how can this problem be solved?

Can the yii form contain two columns? CHtml: beginForm & nbsp; can be divided into two columns for input? & Nbsp; similar to the following & nbsp; & lt; table & nbsp; style = "width: 100%" & gt; & nbsp; & lt; tr & gt; & nbsp; & yii form can still be

Php file download garbled

I want to add a file upload/download function for PHP file download garbled. because the file may be large, the idea is to store the file on the server path in the database and read the file according to the path during the download. At the

How to establish a sub-station system in different cities

How to establish a sub-station system in different cities and how to create a sub-station system is mainly to display and manage different contents in different cities. & Nbsp; I have never done it. please give me a thought. thank you. & Nbsp; for

How does the obtained data not store in the database (mysql) and the database port? Thank you for your advice.

How can the obtained data not be stored in the database (mysql) or the database port? Please kindly advise. thank you (note: The data is obtained, but mysql cannot be saved ?) Part 1: & lt; html & gt; & lt; form & nbsp; action = "regb. php "& nbsp;

Let's see how to calculate the numbers in this example.

Let's see how to calculate the numbers in this example? These are the numbers in red letters, three in each row, and all the numbers in the even row should be calculated in mathematics? The remainder is the number of the column. how can we express

Which of the following functions does php use to automatically log on to the website background?

Ask php to implement the function of automatically logging on to the website background on the server? I want to implement php code on the server, put the user name and password in the program, let the program log on to the background, automatically

Ask a question about the ZendFramework framework.

Ask a question about the ZendFramework Framework & nbsp; I have installed Zend & nbsp; Studio & nbsp; for & nbsp; Eclipse. I have to install Zend & nbsp; framework? if necessary, & nbsp; When I Download Zend & nbsp; Framework & nbs, I will ask a

A newbie can copy the source code from the CD and cannot log on to the front-end interface.

Beginner's help: copy the source code in the CD, and you cannot log on to the front-end interface. because of graduation design, you need to learn PHP from the beginning to copy the source code in the CD from the book, however, I cannot log on to

Apache runs normally after assembly. Why can't the webpage be opened under this service?

After apache is installed, it runs normally. Why can't I open the webpage under this service? First, let's analyze my configuration and apache errors. Finally, let's take a look at what I missed, help me solve this problem & nbsp; 1: Configuration:

PHP5.4.13andPHP5.3.23released! Solution

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PHP5.4.13andPHP5.3.23released! The & nbsp; PHP & nbsp; development & nbsp; team & nbsp; announces & nbsp; the & nbsp; immediate & nbsp; availability & nbsp; of & nbsp PHP 5.4.13 and PHP 5.3.23 released! The PHP development team announces the

Beginner's Guide!

Cainiao for guidance !! Graduates, graduation design for advice! It may be a little long. I really hope to help you !! Thank you! Because ajax is not used, echo & nbsp; '& lt; a & nbsp; onclick = "cookin ()" & nbsp; class = "right" & nbsp; href = "'.

PHP environment preparation

PHP environment setup This post was last edited by tcmis from 2013-04-0317: 53: 43 & nbsp; the first time my brother came into contact with PHP, today I set up an environment for one afternoon, I have read a lot of information on the Internet, but I

Questions about uploading files through FTP

How are you working to upload files through FTP to the server? I have found many examples on the Internet, but none of them are successful. SFTP is supported, hope a good person can help me sftp? I have never done it over ftp. Read the manual & nbs

How to add watermarks to images?

I have written a collection program & nbsp; online images & nbsp; and collected a bunch of garbled characters headers ("Content-type: image/jpeg; charset = utf-8 "); then the normal image will be displayed. now I want to add a watermark to the image.

Php file download images cannot be opened. how can this problem be solved?

Php cannot open & nbsp; function & nbsp; fileDown ($ file_name) {& nbsp; & nbsp; $ file_name & nbsp; = & nbsp php file download image cannot be opened Function fileDown ($ file_name ){$ File_name = iconv ("UTF-8", "gb2312", $ file_name );$

Why cannot I get the correct file content?

Why can't I get the correct file content? I have three files: 1.php, 2. php, and Ajax. js1.php. the content is as follows & lt ;? Php & nbsp; $ I = & nbsp; // perform a series of operations on variable I include ("2.php") 2. why cannot the correct

What new features will PHP5.5 bring back?

What new features will PHP5.5 bring about? 2013-01-25? PHP5.4 was released four months ago. it seems that the next PHP version is a little earlier, but I still want to tell you what new features PHP5.5 will bring. Note: PHP5.5 is still in the early

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