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How to use Session attributes in Spring-mvc
...)request.getSession().setAttribute("cart",value);
return "testJsp";
}
and you can get it from controller like this :
ShoppingCart cart = (ShoppingCart)session.getAttribute("cart");
Make your controller session scoped
@Controller
@Scope("session")
Scope the Objects ,for example you have user...
Server.Transfer Vs. Response.Redirect
What is difference between Server.Transfer and Response.Redirect ?
16 Answers
16
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Counting DISTINCT over multiple columns
... two columns.
Once it is persisted, provided the column is deterministic and you are using "sane" database settings, it can be indexed and / or statistics can be created on it.
I believe a distinct count of the computed column would be equivalent to your query.
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Moq: How to get to a parameter passed to a method of a mocked service
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You can use the Mock.Callback-method:
var mock = new Mock<Handler>();
SomeResponse result = null;
mock.Setup(h => h.AnsyncHandle(It.IsAny<SomeResponse>()))
.Callback<SomeResponse>(r => result = r);
// do your test
new Foo(mock.Object).Bar(22);
Assert.NotNull...
NodeJS - What does “socket hang up” actually mean?
I'm building a web scraper with Node and Cheerio, and for a certain website I'm getting the following error (it only happens on this one website, no others that I try to scrape.
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How do you dismiss the keyboard when editing a UITextField
...eld sends its action when the user hits the Return ("Done", whatever) key, and also sends its delegate -textFieldShouldReturn:.
– Noah Witherspoon
Nov 8 '08 at 5:13
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How to disable all caps menu titles in Visual Studio
...ersion
Value: 1
In PowerShell, you can run this to set that registry key and the uppercase goes away.
Set-ItemProperty -Path HKCU:\Software\Microsoft\VisualStudio\11.0\General -Name SuppressUppercaseConversion -Type DWord -Value 1
Visual Studio Express 2012
The above registry key is not the on...
How do you count the number of occurrences of a certain substring in a SQL varchar?
...to mind is to do it indirectly by replacing the comma with an empty string and comparing the lengths
Declare @string varchar(1000)
Set @string = 'a,b,c,d'
select len(@string) - len(replace(@string, ',', ''))
share
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Error 1046 No database Selected, how to resolve?
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In my case, I had used mysqldump to export a database and was running into this upon import. I just had to edit the exported sql file to add these two commands to the top of it.
– bh5k
Oct 11 '12 at 17:01
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What is the difference between lower bound and tight bound?
...the upper bound, while Omega is the lower bound. Theta requires both Big O and Omega, so that's why it's referred to as a tight bound (it must be both the upper and lower bound).
For example, an algorithm taking Omega(n log n) takes at least n log n time, but has no upper limit. An algorithm taking...