大约有 40,000 项符合查询结果(耗时:0.0523秒) [XML]

https://stackoverflow.com/ques... 

SQL Server - where is “sys.functions”?

... easy enough to roll your own: CREATE VIEW my_sys_functions_equivalent AS SELECT * FROM sys.objects WHERE type IN ('FN', 'IF', 'TF') -- scalar, inline table-valued, table-valued share | improve t...
https://stackoverflow.com/ques... 

Delete with Join in MySQL

... Since you are selecting multiple tables, The table to delete from is no longer unambiguous. You need to select: DELETE posts FROM posts INNER JOIN projects ON projects.project_id = posts.project_id WHERE projects.client_id = :client_id ...
https://stackoverflow.com/ques... 

Heroku/GoDaddy: send naked domain to www [closed]

....com to www.yourdomain.com. Here's how. Within Account Manager, select My Domain Names Select the domain name that you want to manage In the green box, select Change Where Domain Points Select Advanced DNS, then Continue First, edit the A Records by selecting Edit A Records F...
https://stackoverflow.com/ques... 

How to check if an option is selected?

... UPDATE A more direct jQuery method to the option selected would be: var selected_option = $('#mySelectBox option:selected'); Answering the question .is(':selected') is what you are looking for: $('#mySelectBox option').each(function() { if($(this).is(':selected')) ....
https://stackoverflow.com/ques... 

Visual Studio: How do I show all classes inherited from a base class?

...Resharper 9.2, on any type in source code, rt-click "Find Usage Advanced", select Find="Derived" and Scope="Solutions and Libraries". For example, to find all inheritors (both in the library and your code) of some base class in an included DLL from any vendor, declare a variable in your code with th...
https://stackoverflow.com/ques... 

Calendar Recurring/Repeating Events - Best Storage Method

... grabbing the events for the day it's at, the query would look like this: SELECT EV.* FROM `events` EV RIGHT JOIN `events_meta` EM1 ON EM1.`event_id` = EV.`id` RIGHT JOIN `events_meta` EM2 ON EM2.`meta_key` = CONCAT( 'repeat_interval_', EM1.`id` ) WHERE EM1.meta_key = 'repeat_start' AND ( ...
https://stackoverflow.com/ques... 

iOS 5 Best Practice (Release/retain?)

... @Dan: You're not joking it can be selectively turned off? Please give a link, that is important to me! :D – sudo rm -rf Jun 10 '11 at 15:43 ...
https://stackoverflow.com/ques... 

Generate class from database table

...eName' declare @Result varchar(max) = 'public class ' + @TableName + ' {' select @Result = @Result + ' public ' + ColumnType + NullableSign + ' ' + ColumnName + ' { get; set; } ' from ( select replace(col.name, ' ', '_') ColumnName, column_id ColumnId, case typ.name...
https://stackoverflow.com/ques... 

Get a list of distinct values in List

... Notes.Select(x => x.Author).Distinct(); This will return a sequence (IEnumerable<string>) of Author values -- one per unique value. share ...
https://stackoverflow.com/ques... 

Populate data table from data reader

... conn = new SqlConnection(connString); string query = "SELECT * FROM Customers"; SqlCommand cmd = new SqlCommand(query, conn); conn.Open(); SqlDataReader dr = cmd.ExecuteReader(CommandBehavior.CloseConnection); DataTable dtSchema = ...