大约有 30,000 项符合查询结果(耗时:0.0403秒) [XML]
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
...
How to open a new window on form submit
...ribute on the <form> tag with the second argument in the window.open call in the onsubmit handler.
share
|
improve this answer
|
follow
|
...
What is ApplicationException for in .NET?
... reason to derive from this base class is to allow some code higher up the call stack to catch the base class. It was no longer possible to catch all application exceptions.
So there you have it. The executive summary is that ApplicationException is not harmful, just useless.
...
JavaScript - Get Portion of URL Path
...y URL:
It turns out that this schema is being standardized as an interface called URLUtils, and guess what? Both the existing window.location object and anchor elements implement the interface.
So you can use the same properties above for any URL — just create an anchor with the URL and access th...
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
|
...
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.
...
iTextSharp - Sending in-memory pdf in an email attachment
...
Probably calling doc.Close() Disposes the underlying stream. Try removing doc.Close() and instead of that line set memoryStream.Position = 0;
Alternatively you can use a temp file:
var tempFilePath = Path.GetTempFileName();
try
{ ...
How do you get the footer to stay at the bottom of a Web page?
...'s solution .Site-content element plays the same role as spacer. It's just called differently.
– Gherman
Nov 29 '19 at 15:18
...
