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How can prepared statements protect from SQL injection attacks?
...ven alter it, as every SQL injection example shows it (all examples in PHP/Mysql):
$expected_data = 1;
$query = "SELECT * FROM users where id=$expected_data";
will produce a regular query
SELECT * FROM users where id=1
while this code
$spoiled_data = "1; DROP TABLE users;"
$query = "S...
Fastest Way to Find Distance Between Two Lat/Long Points
I currently have just under a million locations in a mysql database all with longitude and latitude information.
15 Answers...
VIP会员中心 · App Inventor 2 中文网，少儿编程陪伴者
... 我家孩子在App Inventor 2 中文网的少儿编程课程中学到了如何设计自己的App，现在他已经可以独立开发一些简单的小应用了。很高兴看到他对于编程的兴趣和自信的提升！ ...
MySQL OPTIMIZE all tables?
MySQL has an OPTIMIZE TABLE command which can be used to reclaim unused space in a MySQL install. Is there a way (built-in command or common stored procedure) to run this optimization for every table in the database and/or server install, or is this something you'd have to script up yourself?
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理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...码：
with open("/tmp/foo.txt") as file:
data = file.read()
with如何工作？
while this might look like magic, the way Python handles with is more clever than magic. The basic idea is that the statement after with has to evaluate an object that responds to an __enter__() as well as an ...
How do I add indices to MySQL tables?
I've got a very large MySQL table with about 150,000 rows of data. Currently, when I try and run
7 Answers
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Updating MySQL primary key
...-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f2341576%2fupdating-mysql-primary-key%23new-answer', 'question_page');
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How do you set a default value for a MySQL Datetime column?
How do you set a default value for a MySQL Datetime column?
25 Answers
25
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PDO closing connection
Just a rather simple question with regards to PDO compared to MySQLi.
5 Answers
5
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windows版 svn 服务器搭建及总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...。
passwd文件 -- /conf目录下 用于存放本svn库的用户名和密码。
authz -- /conf目录下 用于存放本svn库的访问授权信息。
这里需要注意的地方：
SVN中的这几个配置文件 是不支持每行开头带空格的。
所以 一旦你去掉每行开...