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MySQL Cannot drop index needed in a foreign key constraint
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You have to drop the foreign key. Foreign keys in MySQL automatically create an index on the table (There was a SO Question on the topic).
ALTER TABLE mytable DROP FOREIGN KEY mytable_ibfk_1 ;
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Select columns from result set of stored procedure
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Here's a link to a pretty good document explaining all the different ways to solve your problem (although a lot of them can't be used since you can't modify the existing stored procedure.)
How to Share Data Between Stored Procedures
Gulzar's answer will work (it is document...
How to view files in binary from bash?
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...and it's preinstalled on Mac OS X and on Linux.
– Sridhar Sarnobat
Sep 5 '17 at 22:36
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游戏中的算法与计算思维 08：数据驱动的毕业游戏 · App Inventor 2 中文网
...刻 = 0
global 秒数 = 0
global 对数 = 4
global 宽 = 70
global 高 = 100
global 题材提示 = ""
global 词 = list("历史","数学","编程","科学","艺术","运动")
procedure 绘制() {
宽 = 画布1.Width / 4
高 = 画布1.Height / ceil(length(牌) / 4)
画布1.Clear()
for i = 1 to lengt...
[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...程序文件菜单中会生成两个菜单项分别是打印（标识符ID_FILE_PRINT）和打印预览(标识符：ID_FILE_PRINT_PREVIEW)，展开程序源代码，可以发现，是CVIEW类提供标准打印和打印预览菜单命令的消息处理函数：
设应用程序视图类为CMyView,展...
How to run a python script from IDLE interactive shell?
... Sergey NosovSergey Nosov
31233 silver badges1010 bronze badges
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How to remove a TFS Workspace Mapping?
...stating "Show Remote Workspaces" - just tick that and you'll get a list of all your enlistments:
From the command line
Call "tf workspace" from a developer command prompt. It will bring up the "Manage Workspaces" directly!
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PHP server on local machine?
...d I'm wanting to test my PHP files without uploading them to my host. Basically testing them on my own machine before I upload them. How do I do that?
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How can I remove a character from a string using Javascript?
I am so close to getting this, but it just isn't right.
All I would like to do is remove the character r from a string.
The problem is, there is more than one instance of r in the string.
However, it is always the character at index 4 (so the 5th character).
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AngularJS - Trigger when radio button is selected
...d many ng-xxxx kind of options but couldn't find the one..
I just want to call some function in the controller when radio button is selected.
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