大约有 47,000 项符合查询结果(耗时:0.0254秒) [XML]

https://stackoverflow.com/ques... 

Regex select all text between tags

What is the best way to select all the text between 2 tags - ex: the text between all the 'pre' tags on the page. 17 Answe...
https://stackoverflow.com/ques... 

Get index of selected option with jQuery

I'm a little bit confused about how to get an index of a selected option from a HTML <select> item. 7 Answers ...
https://stackoverflow.com/ques... 

How to select only the first rows for each unique value of a column

... A very simple answer if you say you don't care which address is used. SELECT CName, MIN(AddressLine) FROM MyTable GROUP BY CName If you want the first according to, say, an "inserted" column then it's a different query SELECT M.CName, M.AddressLine, FROM ( SELECT ...
https://stackoverflow.com/ques... 

How to copy a row and insert in same table with a autoincrement field in MySQL?

... Use INSERT ... SELECT: insert into your_table (c1, c2, ...) select c1, c2, ... from your_table where id = 1 where c1, c2, ... are all the columns except id. If you want to explicitly insert with an id of 2 then include that in your INSER...
https://stackoverflow.com/ques... 

GROUP BY with MAX(DATE) [duplicate]

... to your group by clause, otherwise you need to rethink your query. Try: SELECT t.Train, t.Dest, r.MaxTime FROM ( SELECT Train, MAX(Time) as MaxTime FROM TrainTable GROUP BY Train ) r INNER JOIN TrainTable t ON t.Train = r.Train AND t.Time = r.MaxTime ...
https://stackoverflow.com/ques... 

MySQL Conditional Insert

... If your DBMS does not impose limitations on which table you select from when you execute an insert, try: INSERT INTO x_table(instance, user, item) SELECT 919191, 123, 456 FROM dual WHERE NOT EXISTS (SELECT * FROM x_table WHERE user = ...
https://stackoverflow.com/ques... 

Replace String in all files in Eclipse

... Thank you I solved this way. 1.- Select the text to search 2.- Go to Menu Search >Text > Project, a listing of ocurrences pops up, within the search view. 3.- Right Click on the root of that list, 4.- Select Replace All... 5.- Input the text to replace...
https://stackoverflow.com/ques... 

How to deal with SQL column names that look like SQL keywords?

...ange the name because I didn't make it. Am I allowed to do something like SELECT from FROM TableName or is there a special syntax to avoid the SQL Server being confused? ...
https://stackoverflow.com/ques... 

Copy data into another table

... If both tables are truly the same schema: INSERT INTO newTable SELECT * FROM oldTable Otherwise, you'll have to specify the column names (the column list for newTable is optional if you are specifying a value for all columns and selecting columns in the same order as newTable's schema)...
https://stackoverflow.com/ques... 

jQuery get value of selected radio button

The problem statement is simple. I need to see if user has selected a radio button from a radio group. Every radio button in the group share same id. ...