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Add default value of datetime field in SQL Server to a timestamp

I've got a table that collects forms submitted from our website, but for some reason, when they created the table, they didn't put a timestamp in the table. I want it to enter the exact date and time that the record was entered. ...
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How to make my custom type to work with “range-based for loops”?

Like many people these days I have been trying the different features that C++11 brings. One of my favorites is the "range-based for loops". ...
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Cross cutting concern example

What is a good example of a cross-cutting concern ? The medical record example on the wikipedia page seems incomplete to me. ...
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How to call base.base.method()?

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Difference between git pull and git pull --rebase

I started using git sometime back and do not fully understand the intricacies. My basic question here is to find out the difference between a git pull and git pull --rebase , since adding the --rebase option does not seem to do something very different : just does a pull. ...
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How to install a gem or update RubyGems if it fails with a permissions error

I'm trying to install a gem using gem install mygem or update RubyGems using gem update --system , and it fails with this error: ...
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How to prevent a dialog from closing when a button is clicked

I have a dialog with EditText for input. When I click the "yes" button on dialog, it will validate the input and then close the dialog. However, if the input is wrong, I want to remain in the same dialog. Every time no matter what the input is, the dialog should be automatically closed when I clic...
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What does “Could not find or load main class” mean?

A common problem that new Java developers experience is that their programs fail to run with the error message: Could not find or load main class ... ...
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C# - Keyword usage virtual+override vs. new

What are differences between declaring a method in a base type " virtual " and then overriding it in a child type using the " override " keyword as opposed to simply using the " new " keyword when declaring the matching method in the child type? ...
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How to bind to a PasswordBox in MVVM

I have come across a problem with binding to a PasswordBox . It seems it's a security risk but I am using the MVVM pattern so I wish to bypass this. I found some interesting code here (has anyone used this or something similar?) ...