大约有 40,000 项符合查询结果(耗时:0.0359秒) [XML]

https://stackoverflow.com/ques... 

How to change identity column values programmatically?

...ITY(1,1) PRIMARY KEY, X VARCHAR(10) ) INSERT INTO Test OUTPUT INSERTED.* SELECT 'Foo' UNION ALL SELECT 'Bar' UNION ALL SELECT 'Baz' Then you can do /*Define table with same structure but no IDENTITY*/ CREATE TABLE Temp ( ID INT PRIMARY KEY, X VARCHAR(10) ) /*Switch table metadata to new struct...
https://stackoverflow.com/ques... 

Intellij IDEA: Hotkey for “scroll from source”

... In the latest IntelliJ IDEA, there is a keymap entry called "Select in Project View" with no default shortcut. Just add a shortcut key to it. No need for a plugin. share | improve thi...
https://stackoverflow.com/ques... 

How do you join on the same table, twice, in mysql?

... you'd use another join, something along these lines: SELECT toD.dom_url AS ToURL, fromD.dom_url AS FromUrl, rvw.* FROM reviews AS rvw LEFT JOIN domain AS toD ON toD.Dom_ID = rvw.rev_dom_for LEFT JOIN domain AS fromD ON fromD.Dom_ID = rvw.rev_dom_from ED...
https://stackoverflow.com/ques... 

How can I disable the UITableView selection?

When you tap a row in a UITableView , the row is highlighted and selected. Is it possible to disable this so tapping a row does nothing? ...
https://stackoverflow.com/ques... 

How do I check if a SQL Server text column is empty?

... Actually, you just have to use the LIKE operator. SELECT * FROM mytable WHERE mytextfield LIKE '' share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How to get Top 5 records in SqLite?

... SELECT * FROM Table_Name LIMIT 5; share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to check if a database exists in SQL Server?

...script: DECLARE @dbname nvarchar(128) SET @dbname = N'Senna' IF (EXISTS (SELECT name FROM master.dbo.sysdatabases WHERE ('[' + name + ']' = @dbname OR name = @dbname))) -- code mine :) PRINT 'db exists' share ...
https://stackoverflow.com/ques... 

How do I view the SQL generated by the Entity Framework?

...e query = from x in appEntities where x.id == 32 select x; var sql = ((System.Data.Objects.ObjectQuery)query).ToTraceString(); or in EF6: var sql = ((System.Data.Entity.Core.Objects.ObjectQuery)query) .ToTraceString(); That will give you the SQL that was g...
https://stackoverflow.com/ques... 

How does one reorder columns in a data frame?

... You can also use the subset function: data <- subset(data, select=c(3,2,1)) You should better use the [] operator as in the other answers, but it may be useful to know that you can do a subset and a column reorder operation in a single command. Update: You can also use the select...
https://stackoverflow.com/ques... 

How to for each the hashmap? [duplicate]

...I did too, in case it helps someone else : HashMap<String, HashMap> selects = new HashMap<String, HashMap>(); for(Map.Entry<String, HashMap> entry : selects.entrySet()) { String key = entry.getKey(); HashMap value = entry.getValue(); // do what you have to do here ...