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Can you get DB username, pw, database name in Rails?
...%
require 'parseconfig'
c=ParseConfig.new('../../.my.cnf') %>
mysqlevn: &mysql
adapter: mysql
username: <%= c.params['client']['user'] %>
password: <%= c.params['client']['password'] %>
host: localhost
socket: <%= [
'/var/run/mysqld/mysqld.sock',
'/va...
How do I convert between big-endian and little-endian values in C++?
...wap_endian(T u)
{
static_assert (CHAR_BIT == 8, "CHAR_BIT != 8");
union
{
T u;
unsigned char u8[sizeof(T)];
} source, dest;
source.u = u;
for (size_t k = 0; k < sizeof(T); k++)
dest.u8[k] = source.u8[sizeof(T) - k - 1];
return dest.u;
}
us...
MySQL JOIN the most recent row only?
...
For anyone who must work with an older version of MySQL (pre-5.0 ish) you are unable to do sub-queries for this type of query. Here is the solution I was able to do and it seemed to work great.
SELECT MAX(d.id), d2.*, CONCAT(title,' ',forename,' ',surname) AS name
FROM cust...
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
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Notifier 通知扩展：功能强大的Android通知管理工具，支持通知通道、意图、...
...以错误的值触发。因此，您需要非常仔细地考虑应用程序如何与通知交互。
如果使用Notification打开应用程序的Screen或将其带到前台，如果Screen是新创建的，则在Screen中触发 Screen.Initialize 事件。Screen的字段被赋予默认值。如果Scr...
How do I check if an index exists on a table field in MySQL?
...
Use SHOW INDEX like so:
SHOW INDEX FROM [tablename]
Docs: https://dev.mysql.com/doc/refman/5.0/en/show-index.html
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Best Practices: Salting & peppering passwords?
...e that someone with some security experience supports this method. Would a MySQL AES_ENCRYPT($passwordHash, $serverSideKey) call also be an appropriate way of implementing this?
– foochow
Jun 27 '13 at 19:40
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mysql实现split分割字符串（length, SUBSTRING_INDEX, substring） - 爬虫/...
由于MySql没有直接的split函数，只提供了length, SUBSTRING_INDEX, substring三个函数，这里介绍如何用这三个函数实现split功能。
# SUBSTRING_INDEX(str, delim, count)：返回字符串 str 中在第 count 个出现的分隔符 delim 之前的子串。如果 count 是...
Mysql substr和Oracle substr区别 - 爬虫/数据库 - 清泛IT社区，为创新赋能！
Oracle substr(字符串，开始索引、从0起，长度)
Mysql substr或substring(字符串，开始索引、从1起，长度)
MySQL - How to select data by string length
Is there a MySQL function to do this (of course instead of string_length )?
6 Answers
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