大约有 43,000 项符合查询结果（耗时：0.0549秒） [XML]
How do I stop Entity Framework from trying to save/insert child objects?
When I save an entity with entity framework, I naturally assumed it would only try to save the specified entity. However, it is also trying to save that entity's child entities. This is causing all sorts of integrity problems. How do I force EF to only save the entity I want to save and therefore ig...
What is the MySQL VARCHAR max size?
I would like to know what the max size is for a MySQL VARCHAR type.
7 Answers
7
...
How to add local jar files to a Maven project?
How do I add local jar files (not yet part of the Maven repository) directly in my project's library sources?
31 Answers
...
How to save username and password with Mercurial?
I used Mercurial in a personal project, and I have been typing my username and password every time I want to push something to the server.
...
Handling file renames in git
I'd read that when renaming files in git , you should commit any changes, perform your rename and then stage your renamed file. Git will recognise the file from the contents, rather than seeing it as a new untracked file, and keep the change history.
...
Any good boolean expression simplifiers out there? [closed]
I was refactoring old code and encountered several IF conditions that were way too complex and long and I'm certain they can be simplified. My guess is that those conditions grew so much because of later modifications.
...
How to check if an NSDictionary or NSMutableDictionary contains a key?
I need to check if an dict has a key or not. How?
15 Answers
15
...
nullable object must have a value
There is paradox in the exception description:
Nullable object must have a value (?!)
8 Answers
...
Get local href value from anchor (a) tag
I have an anchor tag that has a local href value, and a JavaScript function that uses the href value but directs it to a slightly different place than it would normally go. The tag looks like
...
How do I redirect to another webpage?
How can I redirect the user from one page to another using jQuery or pure JavaScript?
58 Answers
...