大约有 19,000 项符合查询结果（耗时：0.0271秒） [XML]
Convert Django Model object to dict with all of the fields intact
... one convert a Django Model object to a dict with all of its fields? All ideally includes foreign keys and fields with editable=False .
...
How do I get the “id” after INSERT into MySQL database with Python?
...
Use cursor.lastrowid to get the last row ID inserted on the cursor object, or connection.insert_id() to get the ID from the last insert on that connection.
share
...
An App ID with Identifier '' is not available. Please enter a different string
I am trying to add a new APP ID to prepare for App Store submission and got the following error under the bundle ID I provided.
...
What can , and be used for?
... parameters
The <f:viewParam> manages the setting, conversion and validation of GET parameters. It's like the <h:inputText>, but then for GET parameters.
The following example
<f:metadata>
<f:viewParam name="id" value="#{bean.id}" />
</f:metadata>
does basically th...
What is SYSNAME data type in SQL Server?
...bject names. The exact definition of
sysname is related to the rules for identifiers. Therefore, it can
vary between instances of SQL Server. sysname is functionally the same
as nvarchar(128) except that, by default, sysname is NOT NULL. In
earlier versions of SQL Server, sysname is defined ...
SELECT DISTINCT on one column
...r greater, you can use a CTE with ROW_NUMBER():
SELECT *
FROM (SELECT ID, SKU, Product,
ROW_NUMBER() OVER (PARTITION BY PRODUCT ORDER BY ID) AS RowNumber
FROM MyTable
WHERE SKU LIKE 'FOO%') AS a
WHERE a.RowNumber = 1
...
scopes with lambda and arguments in Rails 4 style?
...
I think it should be:
scope :find_lazy, -> (id) { where(id: id) }
share
|
improve this answer
|
follow
|
...
Difference between id and name attributes in HTML
What is the difference between the id and name attributes? They both seem to serve the same purpose of providing an identifier.
...
Finding duplicate rows in SQL Server
...tatement to grab all of these and the amount of dupes, but also return the ids that are associated with each organization.
...
Insert into a MySQL table or update if exists
...
Use INSERT ... ON DUPLICATE KEY UPDATE
QUERY:
INSERT INTO table (id, name, age) VALUES(1, "A", 19) ON DUPLICATE KEY UPDATE
name="A", age=19
share
|
improve this answer
|
...