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Why can't I reference System.ComponentModel.DataAnnotations?

...ed by default in the visual studio templates). Open your reference manager and add a reference to the System.ComponentModel.DataAnnotations assembly (Solution explorer -> Add reference -> Select .Net tab -> select System.ComponentModel.DataAnnotations from the list) ...
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How to choose the id generation strategy when using JPA and Hibernate

I was going through Id generation section of the Hibernate reference guide and "java persistence with Hibernate" 4 Answers ...
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How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?

... Which particular version of Ubuntu is this and is this Ubuntu Server Edition? Recent Ubuntu Server Editions (such as 10.04) ship with AppArmor and MySQL's profile might be in enforcing mode by default. You can check this by executing sudo aa-status like so: # sudo a...
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Where does the @Transactional annotation belong?

Should you place the @Transactional in the DAO classes and/or their methods or is it better to annotate the Service classes which are calling using the DAO objects? Or does it make sense to annotate both "layers"? ...
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Configure apache to listen on port other than 80

...ed LISTEN 8079 directive in httpd.conf . I opened port 8079 in iptables and restarted iptables. I even stopped iptables service. ...
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How to Deep clone in javascript

...first, a code example which clones object literals, any primitives, arrays and DOM nodes. function clone(item) { if (!item) { return item; } // null, undefined values check var types = [ Number, String, Boolean ], result; // normalizing primitives if someone did new String('a...
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Best way to get identity of inserted row?

...rns the last identity value generated for any table in the current session and the current scope. Generally what you want to use. IDENT_CURRENT('tableName') returns the last identity value generated for a specific table in any session and any scope. This lets you specify which table you want the v...
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How can I provide multiple conditions for data trigger in WPF?

...ions> <Condition Binding="{Binding Path=Name}" Value="Portland" /> <Condition Binding="{Binding Path=State}" Value="OR" /> </MultiDataTrigger.Conditions> <Setter Property="Background" Value="Cyan" /> </MultiDataTrigger> &...
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When should I use Kruskal as opposed to Prim (and vice versa)?

I was wondering when one should use Prim's algorithm and when Kruskal's to find the minimum spanning tree? They both have easy logics, same worst cases, and only difference is implementation which might involve a bit different data structures. So what is the deciding factor? ...
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Client to send SOAP request and receive response

...developed as a Windows service) that sends SOAP requests to a web service (and gets the results). 7 Answers ...