Coalesce

Coalesce goes C# « Only Talking Sense

... the null-coalescing operator in C# 2.0.

string name = (userName == null? “” : userName);



There’s nothing wrong with this code ....but the ternary operator ?
you can now write



string name = userName ?? “”;

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Sharepoint Solution Installer

http://blog.mondosoft.com/ontolica/archive/2007/03/14/Generic-SharePoint-2007-Solution-Installer.aspx

Install a MOSS development environment

SharePoint Visual Studio Project Templates

Application Templates for Windows SharePoint Services 3.0

Preparation Guide for Exam 70-541
TS: Microsoft Windows SharePoint Services 3.0 - Application Development

Subversion

PDF http://svnbook.red-bean.com/nightly/en/svn-book.pdf

Subversion on Windows quick start


C:\mgns\Visual Studio 2005\Projects> svn import RegAdmin file:///c:/regadminrepos -m "Initial Import"

C:\mgns\Visual Studio 2005\Projects> svn checkout file:///C:\regadminrepos "file://C:\mgns\Visual Studio 2005\Projects\RegAdmin"

The speed of the net is sick

http://en.wikinews.org/wiki/Death_of_Nancy_Benoit_rumour_posted_on_Wikipedia_hours_prior_to_body_being_found

Build problem VS

See http://blogs.claritycon.com/blogs/gary_farr/archive/2007/03/09/2888.aspx

Java Persistence API v1.0 (JPA)

http://www.cornerstone.se/expertzone/dev07/sessions_java.aspx

Declarative mappingFramework APIQuery LanguageTransaction Support
Entiteter: skall vara rena
ORM: Håller det hela i synk
Tjänster

Transparent Persitance

JPA 1.0 Declarative Object Relational Mapping
1. Classes are mapped to tables
2. Fields are mapped to columns
3. All types of relationships are supported
4. Support for embedded objects
5. Use either annotation or deployement descriptors

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Laxy loading potentiellt problem med många sm@a
Eager loading kan ge stora SQL statements
Guideline Use laxy on relations and "fetch join" on queries
(Select * from Employee e LEFT JOIN FETCH e. phoneNumbers WHERE )

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Contructor expressions in queries

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Buld update delete

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Valideringar - Lifecycle Callback

Excel macro

Problem Fylla alla tomma celler i vald range i Excel med dom ovanfor.

Losning
Macro se
http://www.mvps.org/dmcritchie/excel/fillempt.htm