大约有 44,000 项符合查询结果(耗时:0.0417秒) [XML]

https://stackoverflow.com/ques... 

Can I use CASE statement in a JOIN condition?

... 1. Your statement attempted to return the value of an assignment or test for equality, neither of which make sense in the context of a CASE/THEN clause. (If BOOLEAN was a datatype then the test for equality would make sense.) ...
https://stackoverflow.com/ques... 

MySQL Insert Where query

...1, 160, 145); If you're trying to change the weight/desiredWeight values for an existing row with ID 1 you should be using: UPDATE Users SET weight = 160, desiredWeight = 145 WHERE id = 1; If you want you can also use INSERT .. ON DUPLICATE KEY syntax like so: INSERT INTO Users (id, weight, de...
https://stackoverflow.com/ques... 

Get generated id after insert

... @UnknownJoe I know this is old post. But may be helpful for someone. The row id and autoincremented id will be same even if it is deleted from middle. – Raj kannan Iyyappan Oct 4 '18 at 21:25 ...
https://stackoverflow.com/ques... 

MYSQL OR vs IN performance

I am wondering if there is any difference in regards to performance between the following 14 Answers ...
https://stackoverflow.com/ques... 

Get current AUTO_INCREMENT value for any table

How do I get the current AUTO_INCREMENT value for a table in MySQL? 8 Answers 8 ...
https://stackoverflow.com/ques... 

How to delete a certain row from mysql table with same column values?

... @Paul This is exactly what I about to say. But don't forget unique key doesn't necessary means primary key. – Ryan Fung Oct 28 '15 at 7:11 ...
https://stackoverflow.com/ques... 

Web API Routing - api/{controller}/{action}/{id} “dysfunctions” api/{controller}/{id}

...st matched rule, it will stop checking other rules and take this to search for controller and action. So, you should: Put your specific rules ahead of your general rules(like default), which means use RouteTable.Routes.MapHttpRoute to map "WithActionApi" first, then "DefaultApi". Remove the de...
https://stackoverflow.com/ques... 

How did Google manage to do this? Slide ActionBar in Android application

... it's clicked, collapses the menu. So, here's some code: First, the class for collapsing / expanding (SlideMenu.java): package your.cool.app; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.graphics.Rect; import android.util.Log; import a...
https://stackoverflow.com/ques... 

LEFT JOIN only first row

I read many threads about getting only the first row of a left join, but, for some reason, this does not work for me. 6 Ans...
https://stackoverflow.com/ques... 

Python assigning multiple variables to same value? list behavior

...to reassign the values list separately, I mean b[0] and c[0] equal 0 as before. 9 Answers ...