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FirstOrDefault: Default value other than null

As I understand it, in Linq the method FirstOrDefault() can return a Default value of something other than null. What I haven't worked out is what kind of things other than null can be returned by this (and similar) method when there are no items in the query result. Is there any particular wa...
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How can I convert bigint (UNIX timestamp) to datetime in SQL Server?

How can I convert UNIX timestamp (bigint) to DateTime in SQL Server? 15 Answers 15 ...
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Entity Framework: table without primary key

I have an existing DB with which I would like to build a new app using EF4.0 18 Answers ...
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How do I escape ampersands in batch files?

How do I escape ampersands in a batch file (or from the Windows command line) in order to use the start command to open web pages with ampersands in the URL? ...
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Decoding and verifying JWT token using System.IdentityModel.Tokens.Jwt

I've been using the JWT library to decode a Json Web Token, and would like to switch to Microsoft's official JWT implementation, System.IdentityModel.Tokens.Jwt . ...
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SQL Server dynamic PIVOT query?

I've been tasked with coming up with a means of translating the following data: 7 Answers ...
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How to iterate over associative arrays in Bash

Based on an associative array in a Bash script, I need to iterate over it to get the key and value. 4 Answers ...
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How do I include a pipe | in my linux find -exec command?

This isn't working. Can this be done in find? Or do I need to xargs? 6 Answers 6 ...
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Creating rounded corners using CSS [closed]

How can I create rounded corners using CSS? 21 Answers 21 ...
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Static methods - How to call a method from another method?

When I have regular methods for calling another method in a class, I have to do this 6 Answers ...