大约有 44,000 项符合查询结果（耗时：0.0352秒） [XML]
Can Selenium interact with an existing browser session?
... is able to communicate with and act through a browser that is already running before launching a Selenium Client?
11 Answ...
Throw an error in a MySQL trigger
...answered Aug 1 '08 at 13:02
JustinJustin
2,77555 gold badges3939 silver badges6464 bronze badges
...
How to customize a Spinner in Android
I want to add a custom height to the dropdown of a Spinner , say 30dp, and I want to hide the dividers of the dropdown list of Spinner .
...
Move to another EditText when Soft Keyboard Next is clicked on Android
...
Focus Handling
Focus movement is based on an algorithm which finds the nearest
neighbor in a given direction. In rare cases, the default algorithm may not match the intended behavior of the developer.
Change default behaviour of dire...
Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
Using MSSQL2005, can I truncate a table with a foreign key constraint if I first truncate the child table (the table with the primary key of the FK relationship)?
...
Compare two DataFrames and output their differences side-by-side
I am trying to highlight exactly what changed between two dataframes.
14 Answers
14
...
CASCADE DELETE just once
I have a Postgresql database on which I want to do a few cascading deletes. However, the tables aren't set up with the ON DELETE CASCADE rule. Is there any way I can perform a delete and tell Postgresql to cascade it just this once? Something equivalent to
...
How to delete duplicates on a MySQL table?
...
this removes duplicates in place, without making a new table
ALTER IGNORE TABLE `table_name` ADD UNIQUE (title, SID)
note: only works well if index fits in memory
share
...
Custom method names in ASP.NET Web API
I'm converting from the WCF Web API to the new ASP.NET MVC 4 Web API. I have a UsersController, and I want to have a method named Authenticate. I see examples of how to do GetAll, GetOne, Post, and Delete, however what if I want to add extra methods into these services? For instance, my UsersService...
For each row return the column name of the largest value
...have a roster of employees, and I need to know at what department they are in most often. It is trivial to tabulate employee ID against department name, but it is trickier to return the department name, rather than the number of roster counts, from the frequency table. A simple example below (column...