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MySQL: multiple tables or one table with many columns?
So this is more of a design question.
8 Answers
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Where do I use delegates? [closed]
What are some real world places that call for delegates? I'm curious what situations or patterns are present where this method is the best solution. No code required.
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GetHashCode Guidelines in C#
... guideline, but perhaps not a valid rule. It also doesn't tell the whole story.
The point being made is that for mutable types, you cannot base the hash code on the mutable data because two equal objects must return the same hash code and the hash code has to be valid for the lifetime of the object...
Should I use int or Int32
...006 C# Language Specification (p18):
Each of the predefined types is shorthand for a system-provided type. For example, the keyword int refers to the struct System.Int32. As a matter of style, use of the keyword is favoured over use of the complete system type name.
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Naming convention - underscore in C++ and C# variables
...ommon to see a _var variable name in a class field. What does the underscore mean? Is there a reference for all these special naming conventions?
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Android 4.1: How to check notifications are disabled for the application?
Android 4.1 offers the user a check box to disable notifications for a specific application.
6 Answers
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Get list of a class' instance methods
...hod1/) # => ["method1"]
TestClass.methods.grep(/new/) # => ["new"]
Or you can call methods (not instance_methods) on the object:
test_object = TestClass.new
test_object.methods.grep(/method1/) # => ["method1"]
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Convert List to List
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The way to make this work is to iterate over the list and cast the elements. This can be done using ConvertAll:
List<A> listOfA = new List<C>().ConvertAll(x => (A)x);
You could also use Linq:
List<A> listOfA = new List<...
Should I use != or for not equal in T-SQL?
I have seen SQL that uses both != and <> for not equal . What is the preferred syntax and why?
14 Answers
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How do I vertically align text in a div?
... way to align text with a div. I have tried a few things and none seem to work.
30 Answers
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