大约有 48,000 项符合查询结果(耗时:0.0825秒) [XML]

https://stackoverflow.com/ques... 

How can I indent multiple lines in Xcode?

When I select multiple lines of code and want to indent them as usual with TAB key, it just deletes them all. I come from Eclipse where I always did it that way. How's that done in Xcode? I hope not line by line ;) ...
https://stackoverflow.com/ques... 

How to deselect a selected UITableView cell?

I am working on a project on which I have to preselect a particular cell. 24 Answers 2...
https://stackoverflow.com/ques... 

SQL update fields of one table from fields of another one

...ic SQL is totally non-standard PostgreSQL syntax. DO $do$ BEGIN EXECUTE ( SELECT 'UPDATE b SET (' || string_agg( quote_ident(column_name), ',') || ') = (' || string_agg('a.' || quote_ident(column_name), ',') || ') FROM a WHERE b.id = 123 AND a.id = b.id' FROM i...
https://stackoverflow.com/ques... 

Visual Studio 2010 IntelliSense doesn't select a default value - it just marks it

... I had the same problem, but find pressing TAB always selects the default selection. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Linq: adding conditions to the where clause conditionally

... && u.Age > 18 && u.Height > strHeightinFeet select u; if (useAge) query = query.Where(u => u.Age > age); if (useHeight) query = query.Where(u => u.Height > strHeightinFeet); // Build the results at the end var results = query.Select(u => new DTO...
https://stackoverflow.com/ques... 

How to drop SQL default constraint without knowing its name?

...MySchema' set @table_name = N'Department' set @col_name = N'ModifiedDate' select @Command = 'ALTER TABLE ' + @schema_name + '.[' + @table_name + '] DROP CONSTRAINT ' + d.name from sys.tables t join sys.default_constraints d on d.parent_object_id = t.object_id join sys.columns c on c.object_id ...
https://stackoverflow.com/ques... 

INSERT IF NOT EXISTS ELSE UPDATE?

...ike: insert or replace into Book (ID, Name, TypeID, Level, Seen) values ((select ID from Book where Name = "SearchName"), "SearchName", ...); Note that any field not in the insert list will be set to NULL if the row already exists in the table. This is why there's a subselect for the ID column: I...
https://stackoverflow.com/ques... 

How can I convert bigint (UNIX timestamp) to datetime in SQL Server?

... SET @AdjustedLocalDatetime = @Datetime - @LocalTimeOffset RETURN (SELECT DATEADD(second,@AdjustedLocalDatetime, CAST('1970-01-01 00:00:00' AS datetime))) END; GO share | improve this answe...
https://stackoverflow.com/ques... 

How do you determine what SQL Tables have an identity column programmatically

...ct to change, version to version) is to use the INFORMATION_SCHEMA views: select COLUMN_NAME, TABLE_NAME from INFORMATION_SCHEMA.COLUMNS where COLUMNPROPERTY(object_id(TABLE_SCHEMA+'.'+TABLE_NAME), COLUMN_NAME, 'IsIdentity') = 1 order by TABLE_NAME ...
https://stackoverflow.com/ques... 

Why shouldn't I use mysql_* functions in PHP?

... 5.5 and above) $link = mysql_connect('localhost', 'user', 'pass'); mysql_select_db('testdb', $link); mysql_set_charset('UTF-8', $link); With PDO: All you need to do is create a new PDO object. The constructor accepts parameters for specifying the database source PDO's constructor mostly takes fo...