unbuffered

Discuz_database class in discuzx2.5 Public static function delete ($ table, $ condition, $ limit = 0, $ unbuffered = true) {if (empty ($ condition) {return false ;} elseif (is_array ($ condition) {if (count ($ condition) = 2 & isset ($ condition

Original Source: http://www.halcyon.com /~ AST/dload/guicon.htm. I modified it and merged it into a head file named guicon. h. After debugging in vs2005, some code has been modified to adapt to 64-bit compilation. The usage is not much said. You

Sqlite database connection class. Sqlite database connection class * sqlite database connection class uses php to connect to sqlite. Sqlite database tutorial connection class * sqlite database connection class is to use php to teach sqlite database

Tenth Chapter System-Level I/OInput/output (I/O) is the process of copying data between main memory and external devices (I/O devices), such as disk drives, terminals, and networks. The input is copied from the I/O device to main memory. Conversely,

This article mainly introduces the sqlite database connection class implemented by PHP, which involves the usage of SQL operations such as connection, addition, deletion, modification, and query for SQLite databases. it is of great practical value,

PHP-implemented sqlite database connection class, sqlite database connection. The sqlite database connection class implemented by PHP. the sqlite database connection example in this article describes the sqlite database connection class implemented

This is a creation in Article, where the information may have evolved or changed. It is very simple to implement concurrency in Golang, just add the keyword "Go" before the function that needs concurrency, but how to handle the synchronization and

The Intel 5500 series Xeon CPU2009 year March launches, everybody in for this series CPU chooses the motherboard to be possible to see the memory support option generally is 2 kinds, one is supports 48G, one kind is 24G, the same server board how

Linux,unix has buffer cache or page caching in the kernel, most disk I/O is buffered and delayed write technology is used.Sync: Put all the modified cache into the write queue, then return, do not wait for the actual write disk operation to endFsync:

The first thing to understand is the concept of non-buffering: the so-called non-buffering, does not mean that the kernel does not provide buffering, but only a simple system call, not a function library call. In-system check disk reads and writes

Today, when operating the database for bulk DML operations, reported a previously unseen error, Java.sql.SQLException:No Transaction isolation on non-logging db ' s, I hereby write a record of my own resolution process.First of all, I see from the

1 Run Recovery command[Email protected] tmp]$ Time/usr/bin/innobackupex --rsync --user= "user"--password= "#xxx $"/mysqldata/ Shared/backup[--rsync ] is able to record the master point for replication settings. InnoDB Backup Utility

the difference of DDR2 DDR3 • Further reduction in power consumption The default voltage of DDR2 memory is 1.8V, and the default voltage of DDR3 memory is only 1.5V, so the power consumption of memory is smaller and the calorific value is

Brother Bird's blog mentioned SAPI, I also look at the source. ------------- PHP architecture diagram (photo from http://stblog.baidu-tech.com/?p=763): Middle-tier (SAPI) decoupling of Web server and PHP Each SAPI implementation is a _SAPI_MODULE_

This article illustrates a simple and practical PHP operation MySQL database class. Share to everyone for your reference. Specifically as follows: Copy Code code as follows: /* This section of the database connection class, he will

Description: Original reproduced from the network today, database operations increasingly become the performance bottleneck of the entire application, which is particularly evident for Web applications. It's not just about the performance of the

Reference article: http://www.jb51.net/article/24392.htmWhen we design the database table structure, we need to pay attention to the performance of the data operation when we operate the database, especially the SQL statements when we look at the

Share a PHP mysqli connection class complete code instance, about MYSQLI usage instance.A database class instance that joins the database in PHP in Mysqli way, the database class is organized from a PHP cms, can implement PHP connection database

1. Optimize your query for query cachingMost MySQL servers have query caching turned on. This is one of the most effective ways to improve sex, and this is handled by the MySQL database engine. When many of the same queries are executed multiple

Reprinted from Http://www.cnblogs.com/jiaosq/p/5843437.htmlToday, database operations are increasingly becoming a performance bottleneck for the entire application, which is especially noticeable for web applications. It's not just about the