大约有 40,000 项符合查询结果(耗时:0.0225秒) [XML]

https://stackoverflow.com/ques... 

MySQL: @variable vs. variable. What's the difference?

... MySQL has a concept of user-defined variables. They are loosely typed variables that may be initialized somewhere in a session and keep their value until the session ends. They are prepended with an @ sign, like this: @var Yo...
https://stackoverflow.com/ques... 

What is SQL injection? [duplicate]

...d queries, or applying your language/toolkit's escaping functions (such as mysql_real_escape_string() in PHP). Once you understand SQL Injection you'll get the joke behind this cartoon. share | imp...
https://stackoverflow.com/ques... 

How to test if a string is JSON or not?

... with useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message. ...
https://stackoverflow.com/ques... 

Python - Get path of root project structure

I've got a python project with a configuration file in the project root. The configuration file needs to be accessed in a few different files throughout the project. ...
https://stackoverflow.com/ques... 

.htaccess not working apache

... EC2 service running on Linux ubuntu and I have installed apache, php, and mysql. 12 Answers ...
https://stackoverflow.com/ques... 

Windows: XAMPP vs WampServer vs EasyPHP vs alternative [closed]

...o, but I want to open it up further to include all possible Windows/Apache/MySQL/PHP stacks. 5 Answers ...
https://stackoverflow.com/ques... 

mysql check collation of a table

... Works for me in mysql 5.5.52. ...) ENGINE=InnoDB AUTO_INCREMENT=24 DEFAULT CHARSET=latin1 My guess is it may not show the collation if it is set to the default for the database in later versions of mysql/mariadb. – Deve...
https://stackoverflow.com/ques... 

What's the “average” requests per second for a production web application?

...age 200-300 connections per second. Spiking to 800 connections per second. MySQL handled 2,400 requests per second. 180 Rails instances. Uses Mongrel as the "web" server. 1 MySQL Server (one big 8 core box) and 1 slave. Slave is read only for statistics and reporting. 30+ processes for handling odd ...
https://stackoverflow.com/ques... 

How do you do a limit query in JPQL or HQL?

In Hibernate 3, is there a way to do the equivalent of the following MySQL limit in HQL? 14 Answers ...
https://stackoverflow.com/ques... 

Can you attach Amazon EBS to multiple instances?

We currently use multiple webservers accessing one mysql server and fileserver. Looking at moving to the cloud, can I use this same setup and attach the EBS to multiple machine instances or what's another solution? ...