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RailsCasts17 HABTM Checkboxes 更新多对多的关系
两个model,Product and Category;彼此之间有has_and_belongs_to_many的关系;期望在编辑project时,同时编辑project与category之间的关系;编辑project的界面如下: 添加 checkboxes check_box and check_box_tag方法均可向form中添加checkboxes;由于需要重写check...
分类:其他好文   时间:2014-09-01 22:46:33    阅读次数:262
IEE修改最大连接数
IEE版本:5.1.401.查看当前IEE最大连接数(缺省值)mysql> show variables like 'max_connections';+-----------------+-------+| Variable_name | Value |+-----------------+-.....
分类:其他好文   时间:2014-09-01 20:55:33    阅读次数:178
Vertica “ERROR: Too many ROS containers exist”
Vertica “ERROR: Too many ROS containers exist”...
分类:其他好文   时间:2014-09-01 09:21:23    阅读次数:340
告诉我图样图森破的两道简单C++笔试题
明明两道很简单的题目,但是因为不细(zhi)心(dao),就错了。 Too young too simple~╮(╯▽╰)╭...
分类:编程语言   时间:2014-09-01 00:32:22    阅读次数:237
RabbitMQ学习(三).NET Client之Publish/Subscribe
3 Publish/Subscribe Sending messages to many consumers at once Python | Java | Ruby | PHP| C# Publish/Subscribe (using the .NET Client) 前面的教程我们已经学习了如何创建工作队列,工作队列背后的假设是每一个任务都被准确地递送...
分类:Web程序   时间:2014-08-31 22:58:12    阅读次数:301
LeetCode: Unique Binary Search Trees
LeetCode: Unique Binary Search TreesGiven n, how many structurally unique BST's (binary search trees) that store values 1...n? For example,Given n = 3...
分类:其他好文   时间:2014-08-31 22:41:31    阅读次数:361
《组合数学》课程复习
Many counting problems are solved by establishing a bijection between the set to be counted and some easy-to-count set. This kind of proofs are usuall...
分类:其他好文   时间:2014-08-31 17:02:51    阅读次数:244
Climbing Stairs <LeetCode>
You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb...
分类:其他好文   时间:2014-08-31 14:22:31    阅读次数:219
04-4. 猜数字游戏(15)
猜数字游戏是令系统随机产生一个100以内的正整数,用户输入一个数对其进行猜测,需要你编写程序自动对其与随机产生的被猜数进行比较,并提示大了(“Too big”),还是小了(“Too small”),相等表示猜到了。如果猜到,则结束程序。程序还要求统计猜的次数,如果1次猜出该数,提示“Bingo!”;...
分类:其他好文   时间:2014-08-30 19:00:29    阅读次数:313
Inviting Friends(hdu3244 && zoj3187)完全背包+二分
Inviting FriendsTime Limit: 1 Second Memory Limit: 32768 KBYou want to hold a birthday party, inviting as many friends as possible, but you have to pr...
分类:其他好文   时间:2014-08-30 15:06:49    阅读次数:301
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