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how to edit .csproj file

... The CSPROJ file, saved in XML format, stores all the references for your project including your compilation options. There is also a SLN file which stores information about projects that make up your solution. If you are using Visual Studio and have the need to v...
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How does lock work exactly?

... The lock statement is translated by C# 3.0 to the following: var temp = obj; Monitor.Enter(temp); try { // body } finally { Monitor.Exit(temp); } In C# 4.0 this has changed and it is now generated as follows: bool lockWasTaken = false; var temp = obj; tr...
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Rails Observer Alternatives for 4.0

... Take a look at Concerns Create a folder in your models directory called concerns. Add a module there: module MyConcernModule extend ActiveSupport::Concern included do after_save :do_something end def do_something ... end end Next, include that in the models you...
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How to make node.js require absolute? (instead of relative)

I would like to require my files always by the root of my project and not relative to the current module. 36 Answers ...
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?

...lational mapping (ORM) discussions, and I understand that it has something to do with having to make a lot of database queries for something that seems simple in the object world. ...
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SQL Server 2008 can't login with newly created user

... SQL Server was not configured to allow mixed authentication. Here are steps to fix: Right-click on SQL Server instance at root of Object Explorer, click on Properties Select Security from the left pane. Select the SQL Server and Windows Authenticatio...
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How to copy a java.util.List into another java.util.List

...have a List<SomeBean> that is populated from a Web Service. I want to copy/clone the contents of that list into an empty list of the same type. A Google search for copying a list suggested me to use Collections.copy() method. In all the examples I saw, the destination list was supposed to ...
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Apache POI Excel - how to configure columns to be expanded?

I am using Apache POI API to generate excel spreadsheet to output some data. 11 Answers ...
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Using ChildActionOnly in MVC

...only as a child method from within a view. An action method doesn’t need to have this attribute to be used as a child action, but we tend to use this attribute to prevent the action methods from being invoked as a result of a user request. Having defined an action method, we need to create what wi...
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How can I make the cursor turn to the wait cursor?

I have a C# application that has users login to it, and because the hashing algorithm is expensive, it takes a little while to do. How can I display the Wait/Busy Cursor (usually the hourglass) to the user to let them know the program is doing something? ...