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Query EC2 tags from within instance
... can use a combination of the AWS metadata tool (to retrieve your instance ID) and the new Tag API to retrieve the tags for the current instance.
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How to select unique records by SQL
...umns (at least on a DB2), which still will return duplicate values in individual columns.
– Konstantin
Jan 4 '18 at 10:46
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Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...e of clients, including browsers and mobile devices. ASP.NET Web API is an ideal platform for building RESTful applications on the .NET Framework.
Web API在ASP.NET完整框架中地位如下图，与SignalR一起同为构建Service而服务的框架。Web API负责构建http常规服务，而Sin...
Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
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DELETE FROM TABLENAME
DBCC CHECKIDENT ('DATABASENAME.dbo.TABLENAME',RESEED, 0)
Note that this isn't probably what you'd want if you have millions+ of records, as it's very slow.
s...
How to copy a row and insert in same table with a autoincrement field in MySQL?
In MySQL I am trying to copy a row with an autoincrement column ID=1 and insert the data into same table as a new row with column ID=2 .
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How to do an update + join in PostgreSQL?
... price = s.price_per_vehicle
FROM shipments_shipment AS s
WHERE v.shipment_id = s.id
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JavaScript loop through json array?
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Your JSON should look like this:
var json = [{
"id" : "1",
"msg" : "hi",
"tid" : "2013-05-05 23:35",
"fromWho": "hello1@email.se"
},
{
"id" : "2",
"msg" : "there",
"tid" : "2013-05-05 23:45",
"fromWho": "hello2@email.se"
}];
You can loop...
How to adjust layout when soft keyboard appears
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Just add
android:windowSoftInputMode="adjustResize"
in your AndroidManifest.xml where you declare this particular activity and this will adjust the layout resize option.
some source code below for layout design
<?xml version="1.0...
Changing an element's ID with jQuery
I need to change an element's ID using jQuery.
8 Answers
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jquery change class name
I want to change the class of a td tag given the td tag's id:
12 Answers
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