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Read-only list or unmodifiable list in .NET 4.0

From what I can tell, .NET 4.0 still lacks read-only lists. Why does the framework still lack this functionality? Isn't this one of the commonest pieces of functionality for domain-driven design ? ...
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How to pass command line arguments to a rake task

I have a rake task that needs to insert a value into multiple databases. 18 Answers ...
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nil detection in Go

I see a lot of code in Go to detect nil, like this: 6 Answers 6 ...
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What does |= (ior) do in Python?

Google won't let me search |= so I'm having trouble finding relevant documentation. Anybody know? 8 Answers ...
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Is there a regular expression to detect a valid regular expression?

Is it possible to detect a valid regular expression with another regular expression? If so please give example code below. ...
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Remove all spaces from a string in SQL Server

What is the best way to remove all spaces from a string in SQL Server 2008? 23 Answers ...
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How to add minutes to my Date

I have this date object: 12 Answers 12 ...
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PHP parse/syntax errors; and how to solve them

Everyone runs into syntax errors. Even experienced programmers make typos. For newcomers, it's just part of the learning process. However, it's often easy to interpret error messages such as: ...
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Random row from Linq to Sql

What is the best (and fastest) way to retrieve a random row using Linq to SQL when I have a condition, e.g. some field must be true? ...
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Rounding up to next power of 2

I want to write a function that returns the nearest next power of 2 number. For example if my input is 789, the output should be 1024. Is there any way of achieving this without using any loops but just using some bitwise operators? ...