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C# equivalent of the IsNull() function in SQL Server

In SQL Server you can use the IsNull() function to check if a value is null, and if it is, return another value. Now I am wondering if there is anything similar in C#. ...
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How to change the CHARACTER SET (and COLLATION) throughout a database?

Our previous programmer set the wrong collation in a table (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character. ...
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IntelliJ beginning of file keyboard shortcut

Is there a keyboard shortcut to move to the beginning of a file? I checked IntelliJ's Keymap for Mac OS X and it doesn't list anything for navigating to the start of a file. ...
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Scroll Automatically to the Bottom of the Page

Consider I have a list of questions. When I click on the first question, it should automatically take me to the bottom of the page. ...
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How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?

I have test-unit installed and rspec installed (along with -core , -expectations , -mocks and -rails version 2.6.x). When I run the command rails new foo , it uses test-unit to generate the test stub files instead of rspec . ...
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In OS X Lion, LANG is not set to UTF-8, how to fix it?

I try to setup postgress in OS X Lion, and find that is not correctly setup the LOCALE environment var. 5 Answers ...
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What is the purpose of XORing a register with itself? [duplicate]

xor eax, eax will always set eax to zero, right? So, why does MSVC++ sometimes put it in my executable's code? Is it more efficient that mov eax, 0 ? ...
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Turning a Comma Separated string into individual rows

I have a SQL Table like this: 16 Answers 16 ...
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Do Google refresh tokens expire?

I have used the refresh token several times in just a short period for testing purposes, but I wonder whether Google refresh tokens ever expire? Can I use the same refresh token to get another access token again and again for a long period (a week or even months)? ...
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Is there a NumPy function to return the first index of something in an array?

I know there is a method for a Python list to return the first index of something: 13 Answers ...