大约有 45,000 项符合查询结果(耗时:0.0576秒) [XML]
Altering a column: null to not null
...Table] SET [Column]=0 WHERE [Column] IS NULL
Then, update the table definition to disallow "NULLs":
ALTER TABLE [Table] ALTER COLUMN [Column] INTEGER NOT NULL
share
|
improve this answer
...
How do I get the path to the current script with Node.js?
...
I found it after looking through the documentation again. What I was looking for were the __filename and __dirname module-level variables.
__filename is the file name of the current module. This is the resolved absolute path of the...
Map a network drive to be used by a service
...
You'll either need to modify the service, or wrap it inside a helper process: apart from session/drive access issues, persistent drive mappings are only restored on an interactive logon, which services typically don't perform.
The h...
URL Fragment and 302 redirects
It's well known that the URL fragment (the part after the # ) is not sent to the server.
4 Answers
...
Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes
...ny hours on end looking to a solution to my seemingly easy-to-fix problem. It's not that my search turned up nothing, it's that my search turned up so many different solutions -none of which have worked.
...
Changing names of parameterized tests
... to set my own custom test case names when using parameterized tests in JUnit4?
12 Answers
...
Favicon dimensions? [duplicate]
I have a favicon with the dimensions of height=26px / width=20px named favicon.png
10 Answers
...
Why can Java Collections not directly store Primitives types?
Java collections only store Objects, not primitive types; however we can store the wrapper classes.
7 Answers
...
Ruby on Rails - Import Data from a CSV file
...tabase table. I do not want to save the CSV file, just take the data from it and put it into the existing table. I am using Ruby 1.9.2 and Rails 3.
...
How do I replace text inside a div element?
I need to set the text within a DIV element dynamically. What is the best, browser safe approach? I have prototypejs and scriptaculous available.
...
