大约有 30,000 项符合查询结果(耗时:0.0584秒) [XML]

https://stackoverflow.com/ques... 

How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?

Let's just suppose I have a valid need for directly executing a sql command in Entity Framework. I am having trouble figuring out how to use parameters in my sql statement. The following example (not my real example) doesn't work. ...
https://stackoverflow.com/ques... 

How can I get LINQ to return the object which has the max value for a given property? [duplicate]

...l loop through only once. Item biggest = items.Aggregate((i1,i2) => i1.ID > i2.ID ? i1 : i2); Thanks Nick - Here's the proof class Program { static void Main(string[] args) { IEnumerable<Item> items1 = new List<Item>() { new Item(){ ClientID ...
https://stackoverflow.com/ques... 

Restful way for deleting a bunch of items

...: From: http://example.com/resources/ do a POST with a selection of the ID's to: http://example.com/resources/selections which, if successful, should respond with: HTTP/1.1 201 created, and a Location header to: http://example.com/resources/selections/DF4XY7 On this page you will then see a (j...
https://stackoverflow.com/ques... 

Surrogate vs. natural/business keys [closed]

... If you have multiple "candidate" keys (fields or same-size collections of fields that are NOT NULL UNIQUE) then you are likely in violation of Boyce-Codd Normal Form. BCNF is beyond 3NF, so not many people worry about it. There are situations, howev...
https://stackoverflow.com/ques... 

How do I kill background processes / jobs when my shell script exits?

... @user1431317 but you could redirect the output of jobs -p to a temporary file and read it from there for kill. – jarno Aug 22 at 5:39  |  sh...
https://stackoverflow.com/ques... 

Nginx location priority

...s. Regular expressions, in the order they are defined in the configuration file. If #3 yielded a match, that result is used. Otherwise, the match from #2 is used. Example from the documentation: location = / { # matches the query / only. [ configuration A ] } location / { # matches any q...
https://stackoverflow.com/ques... 

Can I set enum start value in Java?

...re like classes - and they can even have multiple attributes. public enum Ids { OPEN(100), CLOSE(200); private final int id; Ids(int id) { this.id = id; } public int getValue() { return id; } } The big difference is that they are type-safe which means you don't have to worry abou...
https://stackoverflow.com/ques... 

How to include “zero” / “0” results in COUNT aggregate?

... (and you need to use person as the "driving" table) SELECT person.person_id, COUNT(appointment.person_id) AS "number_of_appointments" FROM person LEFT JOIN appointment ON person.person_id = appointment.person_id GROUP BY person.person_id; The reason why this is working, is that the outer (lef...
https://stackoverflow.com/ques... 

JavaScript for…in vs for

... @Nosredna: There's an issue about order of iteration for Chrome, filed by none other than John Resig, that is marked as WontFix. code.google.com/p/chromium/issues/detail?id=883 . Even before chrome, the order of iteration was not the same across browsers if you remove and then add a proper...
https://stackoverflow.com/ques... 

Real-world applications of zygohistomorphic prepromorphisms

...a on the landing page. The actual definition of the zygomorphism is in the file Main.hs - its different to the definition in the paper. It is "just" a zygomorphism not a "zygohistomorphic prepromorphisms" - a zygomorphism is the closest thing I've seen with a real world use. Though there are slides...