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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;"
$query = "S...
Enable binary mode while restoring a Database from an SQL dump
I am extremely new to MySQL and am running it on Windows. I am trying to restore a Database from a dumpfile in MySQL, but I get the following error:
...
How do you set a default value for a MySQL Datetime column?
How do you set a default value for a MySQL Datetime column?
25 Answers
25
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乐高 EV3 实验05 - 陀螺仪精确转向 · App Inventor 2 中文网
...累计角度，切换模式也不会把它归零
（源码里切模式只重置事件阈值用的中间量，不动读数）。所以正确做法是
每次动作前记一个基准角，之后一律用差值——本文后面都是这么做的。
顺时针是正还是负，取决于安装方向。...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
... 发送和接收文本 (URSAI2UDPTest)
此示例展示了如何发送和接收文本。
示例中的块并不难理解。大多数块涉及输入项的验证。
发送和接收字节数组 (UDPBinaryTest)
此示例展示了如何发送和接收字节...
How to get the next auto-increment id in mysql
How to get the next id in mysql to insert it in the table
19 Answers
19
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Upgrading PHP in XAMPP for Windows?
...
Take a backup of your htdocs and data folder (subfolder of MySQL folder), reinstall upgraded version and replace those folders.
Note:
In case you have changed config files like PHP (php.ini), Apache (httpd.conf) or any other, please take back up of those files as well and replace th...
Can't install Ruby under Lion with RVM – GCC issues
...e two lines:
http://stackoverflow.com/questions/8000145/ruby-rvm-llvm-and-mysql
bash-3.2$ rvm get head
bash-3.2$ CC=/usr/bin/gcc-4.2 rvm install 1.9.3 --enable-shared
Before that I had tried every stackoverflow article on Ruby and Lion so doing these may have done some setup that helped the abov...
How to convert an entire MySQL database characterset and collation to UTF-8?
How can I convert entire MySQL database character-set to UTF-8 and collation to UTF-8?
19 Answers
...
UTF-8 all the way through
...character set on all tables and text columns in your database. This makes MySQL physically store and retrieve values encoded natively in UTF-8. Note that MySQL will implicitly use utf8mb4 encoding if a utf8mb4_* collation is specified (without any explicit character set).
In older versions of MyS...