大约有 43,000 项符合查询结果(耗时:0.0529秒) [XML]

https://stackoverflow.com/ques... 

How to list the tables in a SQLite database file that was opened with ATTACH?

...quently, if you used ATTACH some_file.db AS my_db; then you need to do SELECT name FROM my_db.sqlite_master WHERE type='table'; Note that temporary tables don't show up with .tables either: you have to list sqlite_temp_master for that: SELECT name FROM sqlite_temp_master WHERE type='table'; ...
https://stackoverflow.com/ques... 

C pointer to array/array of pointers disambiguation

... { rowp = mymatrix; } return *rowp; } int main(int argc, char *argv[]) { int i = 0; int row[2] = {0, 1}; int *rout; for (i = 0; i < 6; i++) { row[0] = i; row[1] += i; rout = put_off(row); printf("%d (%p): [%d, %d]\n", i, (void...
https://stackoverflow.com/ques... 

How to check date of last change in stored procedure or function in SQL server

... SELECT name, create_date, modify_date FROM sys.objects WHERE type = 'P' ORDER BY modify_date DESC The type for a function is FN rather than P for procedure. Or you can filter on the name column. ...
https://stackoverflow.com/ques... 

What is the best way to conditionally apply a class?

...ul with an li for each element and a property on the controller called selectedIndex . What would be the best way to add a class to the li with the index selectedIndex in AngularJS? ...
https://stackoverflow.com/ques... 

Are PDO prepared statements sufficient to prevent SQL injection?

.... $pdo->query('SET NAMES gbk'); $var = "\xbf\x27 OR 1=1 /*"; $query = 'SELECT * FROM test WHERE name = ? LIMIT 1'; $stmt = $pdo->prepare($query); $stmt->execute(array($var)); In certain circumstances, that will return more than 1 row. Let's dissect what's going on here: Selecting a Cha...
https://stackoverflow.com/ques... 

How can I list all foreign keys referencing a given table in SQL Server?

...get around this by creating a table, store the result into the table, then select the specific columns. Check out this link for an example :). – John Odom Apr 28 '15 at 19:04 3 ...
https://stackoverflow.com/ques... 

PostgreSQL create table if not exists

..._mytable() RETURNS void LANGUAGE plpgsql AS $func$ BEGIN IF EXISTS (SELECT FROM pg_catalog.pg_tables WHERE schemaname = 'myschema' AND tablename = 'mytable') THEN RAISE NOTICE 'Table myschema.mytable already exists.'; ELSE CREATE TABLE myschema...
https://stackoverflow.com/ques... 

Find all tables containing column with specified name - MS SQL Server

... Search Tables: SELECT c.name AS 'ColumnName' ,t.name AS 'TableName' FROM sys.columns c JOIN sys.tables t ON c.object_id = t.object_id WHERE c.name LIKE '%MyName%' ORDER BY TableName ,C...
https://stackoverflow.com/ques... 

Why do most C developers use define instead of const? [duplicate]

...s is actually my preference in such a case. enum { FIELD_WIDTH = 16384 }; char buf[FIELD_WIDTH]; In C++ this is a huge advantage as you can scope your enum in a class or namespace, whereas you cannot scope a #define. In C you don't have namespaces and cannot scope an enum inside a struct, and am...
https://stackoverflow.com/ques... 

Error when trying to obtain a certificate: The specified item could not be found in the keychain

... I solved it. Ensure you are in the "Certificates" section and you select "Apple Worldwide Developer Relations Certification Authority" before requesting a certificate. share | improve this ...