大约有 44,000 项符合查询结果(耗时:0.0401秒) [XML]

https://stackoverflow.com/ques... 

How do I execute a stored procedure once for each row returned by query?

I have a stored procedure that alters user data in a certain way. I pass it user_id and it does it's thing. I want to run a query on a table and then for each user_id I find run the stored procedure once on that user_id ...
https://stackoverflow.com/ques... 

Insert if not exists” statement in SQLite

I have an SQLite database. I am trying to insert values ( users_id , lessoninfo_id ) in table bookmarks , only if both do not exist before in a row. ...
https://stackoverflow.com/ques... 

Which SQL query is faster? Filter on Join criteria or Where clause?

Compare these 2 queries. Is it faster to put the filter on the join criteria or in the WHERE clause. I have always felt that it is faster on the join criteria because it reduces the result set at the soonest possible moment, but I don't know for sure. ...
https://stackoverflow.com/ques... 

Getting the ID of the element that fired an event

... In jQuery event.target always refers to the element that triggered the event, where event is the parameter passed to the function. http://api.jquery.com/category/events/event-object/ $(document).ready(function() { $("a")...
https://stackoverflow.com/ques... 

Why does Haskell's “do nothing” function, id, consume tons of memory?

Haskell has an identity function which returns the input unchanged. The definition is simple: 1 Answer ...
https://stackoverflow.com/ques... 

How to handle anchor hash linking in AngularJS

Do any of you know how to nicely handle anchor hash linking in AngularJS ? 27 Answers ...
https://stackoverflow.com/ques... 

CSS styling in Django forms

I would like to style the following: 15 Answers 15 ...
https://stackoverflow.com/ques... 

What is the easiest way to ignore a JPA field during persistence?

I'm essentially looking for a "@Ignore" type annotation with which I can stop a particular field from being persisted. How can this be achieved? ...
https://stackoverflow.com/ques... 

How can you represent inheritance in a database?

I'm thinking about how to represent a complex structure in a SQL Server database. 8 Answers ...
https://stackoverflow.com/ques... 

JavaScript and Threads

Is there some way to do multi-threading in JavaScript? 13 Answers 13 ...