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Runnable with a parameter?

I have a need for a "Runnable that accepts a parameter" although I know that such runnable doesn't really exist. 7 Answers ...
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No Exception while type casting with a null in java

Why there is no exception in this statement? 10 Answers 10 ...
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Cannot delete directory with Directory.Delete(path, true)

I'm using .NET 3.5, trying to recursively delete a directory using: 30 Answers 30 ...
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Java Multiple Inheritance

In an attempt to fully understand how to solve Java's multiple inheritance problems I have a classic question that I need clarified. ...
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?

The "N+1 selects problem" is generally stated as a problem in Object-Relational 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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INNER JOIN ON vs WHERE clause

For simplicity, assume all relevant fields are NOT NULL . 11 Answers 11 ...
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MySQL: multiple tables or one table with many columns?

So this is more of a design question. 8 Answers 8 ...
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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?

How can I create an Excel spreadsheet with C# without requiring Excel to be installed on the machine that's running the code? ...
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How do you serve a file for download with AngularJS or Javascript?

I have some text in a hidden textarea. When a button is clicked I would like to have the text offered for download as a .txt file. Is this possible using AngularJS or Javascript? ...
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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?

What are the different cases when we use these three? Where should I use one and where should I not? 9 Answers ...