大约有 5,883 项符合查询结果(耗时:0.0297秒) [XML]

https://stackoverflow.com/ques... 

Entity Framework and SQL Server View

...s solving performance issues using Tillito solution. Lets say you have the table: Create table OrderDetail ( Id int primary key, CustomerId int references Customer(Id), Amount decimal default(0) ); Create index ix_customer on OrderDetail(CustomerId); and your view...
https://stackoverflow.com/ques... 

Can I force a UITableView to hide the separator between empty cells? [duplicate]

When using a plain-style UITableView with a large enough number of cells that the UITableView cannot display them all without scrolling, no separators appear in the empty space below the cells. If I have only a few cells the empty space below them includes separators. ...
https://stackoverflow.com/ques... 

How to list the properties of a JavaScript object?

...es, ES5 provides Object.getOwnPropertyNames (see its support in my compat. table — kangax.github.com/es5-compat-table) – kangax Oct 27 '10 at 2:43 2 ...
https://stackoverflow.com/ques... 

Why are C# interface methods not declared abstract or virtual?

...phic with regards to the interface type, so it needs a slot on the virtual table to allow virtual method dispatching. – Jordão Sep 1 '10 at 20:06 ...
https://stackoverflow.com/ques... 

What is the difference between varchar and varchar2 in Oracle?

... Taken from the latest stable Oracle production version 12.2: Data Types The major difference is that VARCHAR2 is an internal data type and VARCHAR is an external data type. So we need to understand the difference between an internal and external ...
https://stackoverflow.com/ques... 

How do you display code snippets in MS Word preserving format and syntax highlighting?

... Brilliant! I've been fiddling with styles, tables and other workarounds for years. This fixes everything in one go. Note that you also get the bonus of adding a caption to your code. I added a new label type "Listing" for brownie points :-) – Neb...
https://stackoverflow.com/ques... 

What is SQL injection? [duplicate]

...rameter substitutes only for a single value. You can't use parameters for table or column identifiers, or SQL keywords, or lists of values in an IN() predicate, or other SQL expressions or syntax. Parameters are useful but you need other techniques for other cases. – Bill Kar...
https://stackoverflow.com/ques... 

In SQL Server, when should you use GO and when should you use semi-colon ;?

...ain exception, and place where the ; is used most often is before a Common Table Expression Statement. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Vertically aligning CSS :before and :after content [duplicate]

... You can also use tables to accomplish this, like: .pdf { display: table; } .pdf:before { display: table-cell; vertical-align: middle; } Here is an example: https://jsfiddle.net/ar9fadd0/2/ EDIT: You can also use flex to accomplish t...
https://stackoverflow.com/ques... 

How do I limit the number of rows returned by an Oracle query after ordering?

...). To answer the original question, here's the query: SELECT * FROM sometable ORDER BY name OFFSET 20 ROWS FETCH NEXT 10 ROWS ONLY; (For earlier Oracle versions, please refer to other answers in this question) Examples: Following examples were quoted from linked page, in the hope of preventing ...