大约有 40,000 项符合查询结果（耗时：0.0349秒） [XML]
#1071 - Specified key was too long; max key length is 1000 bytes
...The INT(1) and INT(32) data types indicates another misunderstanding about MySQL. The numeric argument has no effect related to storage or the range of values allowed for the column. INT is always 4 bytes, and it always allows values from -2147483648 to 2147483647. The numeric argument is about p...
pdf2htmlEX实现pdf转html - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...景图像格式 (default: "png")
-o,--owner-password <string> 所有者密码 (为了加密文件)
-u,--user-password <string> 用户密码 (为了加密文件)
--no-drm <int> 覆盖文档的 DRM 设置 (default: 0)
--clean-tmp <int> 转换后删除临时文...
Are PDO prepared statements sufficient to prevent SQL injection?
...CII \ i.e. 0x5c. As it turns out, there are 5 such encodings supported in MySQL 5.6 by default: big5, cp932, gb2312, gbk and sjis. We'll select gbk here.
Now, it's very important to note the use of SET NAMES here. This sets the character set ON THE SERVER. There is another way of doing it, but we...
C#操作XML小结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Server.MapPath("~/file/bookstore.xml"));
二、具体实例
在C#.net中如何操作XML需要添加的命名空间：
using System.Xml;
定义几个公共对象：
XmlDocument xmldoc;
XmlNode xmlnode;
XmlElement xmlelem;
1，创建到服务器同名目录下的xml文件：
方法一：
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Maximum number of records in a MySQL database table
What is the upper limit of records for MySQL database table. I'm wondering about autoincrement field. What would happen if I add milions of records? How to handle this kind of situations?
Thx!
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Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...o database queries, always try and use prepared parameterised queries. The mysqli and PDO libraries support this. This is infinitely safer than using escaping functions such as mysql_real_escape_string.
Yes, mysql_real_escape_string is effectively just a string escaping function. It is not a magic ...
The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
When I attempt to connect to a MySQL server from PHP, I see the following error:
1 Answer
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Types in MySQL: BigInt(20) vs Int(20)
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See http://dev.mysql.com/doc/refman/8.0/en/numeric-types.html
INT is a four-byte signed integer.
BIGINT is an eight-byte signed integer.
They each accept no more and no fewer values than can be stored in their respective number of by...
MySQL: determine which database is selected?
After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected").
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How to copy a row and insert in same table with a autoincrement field in MySQL?
In MySQL I am trying to copy a row with an autoincrement column ID=1 and insert the data into same table as a new row with column ID=2 .
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