The data sent to the server. Will be automatically converted to the request string format. The GET request will be appended to the URL. View the description of the processdata option to disable automatic conversion. It must be in key/value format. If it is an array, jquery automatically corresponds to the same name for different values. For example, {FOO: ["bar1", "bar2"]} is converted to ' Foo = bar1 Foo = bar2 '.
Example:
$. Ajax ({type: "Post"
invalid, later found that PDO did not set the Chinese code, plus later, then succeeded.Also attached How to use Utf-8 :"UTF-8" is the standard notation, PHP is not case-sensitive in English, so it can also be written as "Utf-8". "UTF-8" can also be the middle of "-" omitted, written as "UTF8". General procedures can be identified, but there are exceptions (the following article), in order to be strict, it is best to use the standard capitalization "UTF-8".Only use "UTF8" (MySQL) in the database
View data space usage use SQL statement View data space usage [code = quot; SQL quot;] www.2cto.com select dbf. tablespace_name corresponds to the tablespace, dbf. totalspace quot; Total (M) quot;, dbf. total totalblocks as blocks, dfs. freespace quot; total remaining amount (M) quot;, dfs. freeblocks quot; rema
DBA_Oracle PFile and SPFile file management and usage (CASE) (reference parameter Pfile/SPfile when data is started), spfilepfile
2014-08-25 BaoXinjian
I. Summary
The parameter file in ORACLE is an operating system file that contains a series of parameters and their corresponding values. It can be divided into two types: PFile and SPFile.
They are loaded when the database instance is started, it determines
About the use of ECHART2,ECHART3 maps a little bit of life experience:1.echart3,echart2 load Map deformation repair.Recently, when using ECHART2, it was found that loading a map of Hainan would produce deformation. For example, the map of Hainan has a large deformation, so we need to study how to eliminate the deformation. After a toss-up, modify the _gettransform function in the Echart-all.jsvarxScale = width /mapWidth;varyScale = height / mapHeight;console.log(rate);if(xScale > yScale) { /
Usage of sed in linux (addition and deletion of row data), linuxsed
Sed syntax[Root @ fwq test] # sed -- helpUsage: sed [Option]... {script (if no other script exists)} [input file]...
-N, -- quiet, -- silent cancel Automatic print mode space-E script, -- expression = Add "script" to the program running list-F script file, -- file = script file: Add "script file" to the program running list-- Follow-symlink
Detailed usage of the relations data association query and statistics function in Yii, yiirelations
This article describes how to use the relations data association query and statistics function in Yii. We will share this with you for your reference. The details are as follows:
Associated query. Yii also supports the so-called statistical query (or aggregate quer
Yii Framework form model usage and example of submitting form data in array form. According to the description in the Yii document, the general process of Yii in form processing is: create the model class corresponding to the form, set the field verification rule to create the corresponding action for form submission, processing submitted content is described in the Yii document. the general process of Yii
Python obtains the maximum value max function usage instance in a set of data, pythonmax
This example describes how to use python to obtain the maximum value of a set of data. Share it with you for your reference. The details are as follows:
# Simplest max (1, 2) max ('A', 'B') # You can also use max ([1, 2]) max (1, 2) for the list and metadata )) # You can al
When we use query statements, we often have to return the first few or the middle of a few rows of data, this time what to do? Don't worry, MySQL has provided us with such a feature.SELECT * FROM table LIMIT [offset,] rows | Rows Offset OffsetThe LIMIT clause can be used to force the SELECT statement to return the specified number of records. Limit accepts one or two numeric parameters. parameter must be an integer constant. Given two parameters, the
The following command-line specific usage is as follows: Mysqldump-u username-p password-D is the name of the script in the database name table;1, export the database as DBNAME table structure (where the username is root, the password is DBPASSWD, the generated script is named Db.sql)Mysqldump-uroot-pdbpasswd-d dbname >db.sql;2. Export the database as dbname a table (test) structureMysqldump-uroot-pdbpasswd-d dbname test>db.sql;3. Export the database
$initphp_conf[' db ' [' Test '][1][' charset '] = ' UTF8 '; Database encoding $InitPHP _conf[' db ' [' Test '][1][' pconnect '] = 0; Whether persistent linksThe initphp supports multiple database connections and also supports read and write separations.Our side mainly only the operation of a single table.Basic use 1. Create a data tableWe create a very simple user table in the test library:Table structure:CREATE TABLE ' user ' ( ' id ' int ') NOT NU
This article mainly summarizes the usage of the ajax Method data parameter in Jquery. If you need it, you can refer to it and hope to help you.
The Code is as follows:
$. Ajax ({Type: "POST ",Url: "some. php ",Data: "name = John location = Boston", // The first method for passing Parameters// Data: {name: "John",
The alternative usage of class--the encapsulation of data
In general, if you use classname::P Roperty is not accessible to the properties of the class, but you can use the method of the class with Classname::method (). Similarly, you cannot use Objectname->property to access variables in a method of a class. With this feature, we can save some data in a class, a
required for conversion, use multiple remap_tablespace= sources: target fields.This method is limited to supporting versions of oracle10g or more.Table_statistics long-time waiting problem in data pump importUse IMPDP to import, check table_statistics wait for n long time.Online said this is a bug in Oracle 10G IMPDP, if the command defines the Remap_schema key, that is, the original user name and the imported user name is inconsistent, then this pro
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.