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oracle group 取每组第一条 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...type字段分组,code排序,取出每组中的第一条记录方法一：select type,min(code) from group_infogro...Oracle查询：取出每组中的第一条记录
按type字段分组，code排序，取出每组中的第一条记录：
方法一：
select type,min(code) from group_info grou...
How does Facebook Sharer select Images and other metadata when sharing my URL?
...s pulled from the source as a preview for their link. How are these images selected, and how can I ensure that any particular image on my page is always included in this list?
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AngularJS - Trigger when radio button is selected
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I just want to call some function in the controller when radio button is selected.
7 Answers
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Difference between SelectedItem, SelectedValue and SelectedValuePath
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Their names can be a bit confusing :). Here's a summary:
The SelectedItem property returns the entire object that your list is bound to. So say you've bound a list to a collection of Category objects (with each Category object having Name and ID properties). eg. ObservableCollection&l...
Conversion failed when converting date and/or time from character string while inserting datetime
...s the recommend date/time data types for SQL Server 2008 or newer anyway.
SELECT
CAST('02-21-2012 6:10:00 PM' AS DATETIME2), -- works just fine
CAST('01-01-2012 12:00:00 AM' AS DATETIME2) -- works just fine
Don't ask me why this whole topic is so tricky and somewhat confusing - that...
Is there a function to deselect all text using JavaScript?
Is there a function in javascript to just deselect all selected text? I figure it's got to be a simple global function like document.body.deselectAll(); or something.
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Select the values of one property on all objects of an array in PowerShell
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I think you might be able to use the ExpandProperty parameter of Select-Object.
For example, to get the list of the current directory and just have the Name property displayed, one would do the following:
ls | select -Property Name
This is still returning DirectoryInfo or FileInfo obje...
Convert string[] to int[] in one line of code using LINQ
...you would need the extra ToArray call to get an array:
int[] myInts = arr.Select(int.Parse).ToArray();
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Getting all selected checkboxes in an array
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function get_selected_checkboxes_array(){ var ch_list=Array(); $("input:checkbox[type=checkbox]:checked").each(function(){ch_list.push($(this).val());}); ...
Combining INSERT INTO and WITH/CTE
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You need to put the CTE first and then combine the INSERT INTO with your select statement. Also, the "AS" keyword following the CTE's name is not optional:
WITH tab AS (
bla bla
)
INSERT INTO dbo.prf_BatchItemAdditionalAPartyNos (
BatchID,
AccountNo,
APartyNo,
SourceRowID
)
SELECT * FROM ta...