大约有 43,000 项符合查询结果（耗时：0.0398秒） [XML]
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...
Get MD5 hash of big files in Python
... @EnemyBagJones 'hr' stands for human readable. It returns a string of 32 char length hexadecimal digits: docs.python.org/2/library/md5.html#md5.md5.hexdigest
– Bastien Semene
Mar 27 '18 at 9:46
...
python list in sql query as parameter
...I paramstyle.
placeholders= ', '.join(placeholder for unused in l)
query= 'SELECT name FROM students WHERE id IN (%s)' % placeholders
cursor.execute(query, l)
share
|
improve this answer
|...
Jquery select all elements that have $jquery.data()
Select elements that i have previously set with jquery.data();
7 Answers
7
...
JavaScript Editor Plugin for Eclipse [duplicate]
...ript files:
Open Eclipse -> Go to "Help" -> "Install New Software"
Select the repository for your version of Eclipse. I have Juno so I selected http://download.eclipse.org/releases/juno
Expand "Programming Languages" -> Check the box next to "JavaScript Development Tools"
Click "Next" -&g...
sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t
...this is giving me the error, The actual string I am trying to insert is 74 chars long, it's: "/gifs/epic-fail-photos-there-i-fixed-it-aww-man-the-tire-pressures-low.gif"
...
MySQL offset infinite rows
...er. This statement
retrieves all rows from the 96th row
to the last:
SELECT * FROM tbl LIMIT 95, 18446744073709551615;
share
|
improve this answer
|
follow
...
Spring JPA @Query with LIKE
...
Try to use the following approach (it works for me):
@Query("SELECT u.username FROM User u WHERE u.username LIKE CONCAT('%',:username,'%')")
List<String> findUsersWithPartOfName(@Param("username") String username);
Notice: The table name in JPQL must start with a capital letter...
efficient way to implement paging
...inq (with SQL 2005 / 2008 as database server) your query will be using the Select ROW_NUMBER() Over ... statement, with is somehow direct paging in the SQL engine.
Giving you an example, I have a db table called mtcity and I wrote the following query (work as well with linq to entities):
using (Da...
Selecting a row of pandas series/dataframe by integer index
...
The primary purpose of the DataFrame indexing operator, [] is to select columns.
When the indexing operator is passed a string or integer, it attempts to find a column with that particular name and return it as a Series.
So, in the question above: df[2] searches for a column name matchin...