大约有 47,000 项符合查询结果(耗时:0.0693秒) [XML]
ModelState.AddModelError - How can I add an error that isn't for a property?
...g my database in Create(FooViewModel fvm){...} to see if the fvm.prop1 and fvm.prop2 already exist in that combination; if so, I want to add an error to the modelstate, then return the whole view. I tried:
...
How to start nginx via different port(other than 80)
...
You have to go to the /etc/nginx/sites-enabled/ and if this is the default configuration, then there should be a file by name: default.
Edit that file by defining your desired port; in the snippet below, we are serving the Nginx instance on port 81.
server {
listen 8...
How can I determine the direction of a jQuery scroll event?
...his code ? If you scroll down your page, let say 500PX. Go to another page and then back to initial page. Some browsers keep the scroll position and will bring you back down the page. Will you have a starting lastScrollTop at 0 or will it be properly initialised ??
– TCHdvlp
...
Get the value of an instance variable given its name
...variable_get("@#{name}")
There is no need to use + or intern; Ruby will handle this just fine. However, if you find yourself reaching into another object and pulling out its ivar, there's a reasonably good chance that you have broken encapsulation.
If you explicitly want to access an ivar, the ri...
Most efficient way to check for DBNull and then assign to a variable?
...to avoid. By writing row.IsNull(columnName) you're reading it once already and reading it again. Not saying that will make a difference, but theoretically it can be less efficient..
– nawfal
Feb 6 '13 at 16:31
...
Why is using onClick() in HTML a bad practice?
...e it's not good for semantics. I would like to know what the downsides are and how to fix the following code?
10 Answers
...
How do you sort a list in Jinja2?
... By the way, does it work with both types of attributes...you know getattr and getitem ? (because I can't remember whether "movies" were objects or dictionaries)
– Nick Perkins
Mar 31 '11 at 23:28
...
Animate change of view controllers without using navigation controller stack, subviews or modal cont
NavigationControllers have ViewController stacks to manage, and limited animation transitions.
6 Answers
...
How to handle invalid SSL certificates with Apache HttpClient? [duplicate]
I know, there are many different questions and so many answers about this problem... But I can't understand...
18 Answers
...
How to check if a Constraint exists in Sql server?
... queries for that:
--Returns one row for each CHECK, UNIQUE, PRIMARY KEY, and/or FOREIGN KEY
SELECT *
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE CONSTRAINT_NAME='XYZ'
--Returns one row for each FOREIGN KEY constrain
SELECT *
FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
...