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Equals(=) vs. LIKE
... operators produce obviously different results. Allow me to quote from the MySQL manual:
Per the SQL standard, LIKE performs matching on a per-character basis, thus it can produce results different from the = comparison operator:
mysql> SELECT 'ä' LIKE 'ae' COLLATE latin1_german2_ci;
+----...
Maximum execution time in phpMyadmin
..._time = 5000
max_input_time = 5000
memory_limit = 1000M
And change xampp\mysql\bin\my.ini
max_allowed_packet = 200M
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How do I get the “id” after INSERT into MySQL database with Python?
...
Also, cursor.lastrowid (a dbapi/PEP249 extension supported by MySQLdb):
>>> import MySQLdb
>>> connection = MySQLdb.connect(user='root')
>>> cursor = connection.cursor()
>>> cursor.execute('INSERT INTO sometable VALUES (...)')
1L
>>> connect...
Which MySQL datatype to use for an IP address? [duplicate]
...on and inet_ntop for conversion:
'INSERT INTO `table` (`ipv6`) VALUES ("'.mysqli_real_escape_string(inet_pton('2001:4860:a005::68')).'")'
'SELECT `ipv6` FROM `table`'
$ipv6 = inet_pton($row['ipv6']);
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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 ...
How to remove constraints from my MySQL table?
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Mysql has a special syntax for dropping foreign key constraints:
ALTER TABLE tbl_magazine_issue
DROP FOREIGN KEY FK_tbl_magazine_issue_mst_users
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【最全】谈如何升级aiStarter内置AI伴侣的方式及原理 - App Inventor 2 中...
...能安装不了商业模拟器。
言归正传，本文重点是谈谈如何升级aiStarter中内置的AI伴侣这个问题的，而且说明一下每种方式背后的原理。本文假设你会使用aiStarter进行常规的App测试。1、启动aiStarter模拟器，使用内置的浏览器输...
如何更改启动屏幕 - App应用开发 - 清泛IT社区，为创新赋能！
...做一个登录屏幕login，但这个新建的login是在screen1后面，如何调换它们的位置，让APP启动时，先从login启动？无法指定启动的屏幕，默认就是特定的Screen1。两种思路：
1、使用“复制屏幕”功能将Screen1复制一份为主屏幕，原来的...
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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将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...一项困难的工作。本文将以一个实际的例子（Tar）来说明如何把Linux代码移植到Windows平台上。移植过程将尽量少修改代码,以便代码的运行逻辑不会发生任何变动。保留绝大部分软件主要功能。
二．准备工作
Tar是Linux平台下面...