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Should 'using' directives be inside or outside the namespace?

I have been running StyleCop over some C# code, and it keeps reporting that my using directives should be inside the namespace. ...
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In a PHP project, what patterns exist to store, access and organize helper objects? [closed]

How do you organize and manage your helper objects like the database engine, user notification, error handling and so on in a PHP based, object oriented project? ...
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Are there disadvantages to using a generic varchar(255) for all text-based fields?

I have a contacts table which contains fields such as postcode , first name , last name , town , country , phone number etc, all of which are defined as VARCHAR(255) even though none of these fields will ever come close to having 255 characters. (If you're wondering, it's this way becaus...
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What are the benefits of learning Vim? [closed]

As a programmer I spend a lot of hours at the keyboard and I've been doing it for the last 12 years, more or less. If there's something I've never gotten used to during all this time, it's these annoying and almost unconscious constant micro-interruptions I experience while coding, due to some of th...
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The Concept of 'Hold space' and 'Pattern space' in sed

I'm confused by the two concepts in sed: hold space and pattern space. Can someone help explain them? 3 Answers ...
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Which way is best for creating an object in JavaScript? Is `var` necessary before an object property

So far I saw three ways for creating an object in JavaScript. Which way is best for creating an object and why? 8 Answers ...
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Apply multiple functions to multiple groupby columns

The docs show how to apply multiple functions on a groupby object at a time using a dict with the output column names as the keys: ...
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How can I add to List

I have a List which is declared like this : 6 Answers 6 ...
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What breaking changes are introduced in C++11?

I know that at least one of the changes in C++11 that will cause some old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been v...
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Why should I avoid multiple inheritance in C++?

Is it a good concept to use multiple inheritance or can I do other things instead? 15 Answers ...