PHP.ini Chinese Configuration Instructions
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; Warning
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; This profile is the default setting for newly installed PHP.
; By default, PHP uses this configuration file to install
; This configuration is for development
Character Set base character set: A character set in a database contains two meanings
A collection of various text and symbols, including national text, punctuation, graphic symbols, numbers, etc.
The encoding of characters, that is,
MySQL View all available character setsEnter Password:welcome to the MySQL Monitor. Commands End With; or \g.your MySQL connection ID is 6190Server version:5.6.24-log mysql Community Server (GPL) Copyright (c) #, Ora CLE and/or its affiliates. All
1, String propertyView the systems that have those character sets:If you need to store from multiple languages into the same column, you will consider the Unicode character set (UTF8 or UCS2), only it can represent multiple language charactersSome
Balanced data
The fixed-length or variable-length string can be used for string type data. The difference is that a string of the fixed length is filled with spaces to the right to ensure the same number of bytes. The variable-length string does not
The following is an example of php reading and generating a unicodecsv file. I hope this example will help you. the following is an example of how php reads and generates unicode csv files. I hope this example will help you.
Script ec (2); script
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To solve this problem, I learned a lot about encoding and character set. The following is the solution functionfopen_utf8 ($ filename) {$ encoding; $ handlefopen ($ filename, r ); $ bomfread ($ handle, 2); fclose ($ handle); rewind ($ handle); if ($
Basic mysql operations,
I. Basic operations
After connecting to Mysql, add a semicolon (;) to the end of an SQL statement.
Create a database
# When creating data, you can add a back quotation mark (a key on the TAB key) before and after the
I recently created a project with database garbled characters. I don't know how to set it in phpmyadmin. Let me go !! I thought it was definitely because the character set settings were inconsistent, php encoding was correct, and UTF-8 character set
If there is any misunderstanding in the summary, please submit it. Vulnerability nature: php uses the php_escape_shell_cmd function to escape the command line string and process it as a single byte. When the operating system sets the wide byte
Causes of garbled characters
MySQL character encoding is introduced in version 4.1 and supports multiple languages. In addition, some features have exceeded those of other database systems.
Run the following command under MySQL command line
Add gb2312 and GBK in the following ing table, so there will be no garbled characters. The source code is provided below
Written by a netizen
Program Changed
Private
Static
Void
Loadcharsetmap ()
{Mapping = New Hashtable
Balanced data
The fixed-length or variable-length string can be used for string type data. The difference is that a string of the fixed length is filled with spaces to the right to ensure the same number of bytes. The variable-length string does not
I want to integrate RSS news from other websites into my own webpage. I have never been learning it. Today we finally succeeded! This method may be a bit stupid! The idea is to download the XML file to the local device and then read the local XML
======= first introduce the next bom==============
Bytes Encoding FormEF BB BF UTF-8FF FE UTF-16 aka UCS-2, Little EndianFE FF UTF-16 aka UCS-2, Big endianFF FE UTF-32 aka UCS-4, Little endian.FE FF UTF-32 aka UCS-4, Big-endian.
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Garbled cause
MySQL character encoding is introduced in version 4.1, supports multiple languages, and some features already exceed other database systems.
We can view the MySQL character set under MySQL command line Client by entering the
The coding aspect has always been not very high, so it is not known about Unicode and UTF-8.
Recently accidentally turned to a UTF-8 article, feel the explanation of the very complex, so just thought to write a simple and understandable.
Let's
Character-type data
Character data can be implemented with a fixed length or variable length string, which differs in that a fixed string of strings is filled with spaces to the right to ensure that the same number of bytes is used; variable-length
In the invocation of the stored procedure, the table lock is involved, the concept of row lock: The so-called difference: when indexed is a row lock, when there is no index is the table.
InnoDB row locks are indexed, and tables with no indexes are
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