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What is the difference between include and require in Ruby?
My question is similar to " What is the difference between include and extend in Ruby? ".
11 Answers
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Objective-C Runtime: best way to check if class conforms to protocol?
I have a Class (but no instance) and need to know if it conforms to a certain protocol. However, Class can be subclassed several times and class_conformsToProtocol() ignores protocols declared on superclasses.
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Encode String to UTF-8
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String objects in Java use the UTF-16 encoding that can't be modified.
The only thing that can have a different encoding is a byte[]. So if you need UTF-8 data, then you need a byte[]. If you have a String that contains unexpected data, then the problem is at some earlier place that inco...
What is the meaning of the prefix N in T-SQL statements and when should I use it?
...database. This default code page may not recognize certain characters.
If you want to know the difference between these two data types, see this SO post:
What is the difference between varchar and nvarchar?
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How to get the type of T from a member of a generic class or method?
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If I understand correctly, your list has the same type parameter as the container class itself. If this is the case, then:
Type typeParameterType = typeof(T);
If you are in the lucky situation of having object as a type pa...
Iterate two Lists or Arrays with one ForEach statement in C#
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If you don't want to wait for .NET 4.0, you could implement your own Zip method. The following works with .NET 2.0. You can adjust the implementation depending on how you want to handle the case where the two enumerations (or...
How do you do block comments in YAML?
...of the line
A comparison with JSON, also from Wikipedia:
The syntax differences are subtle and seldom arise in practice: JSON allows extended charactersets like UTF-32, YAML requires a space after separators like comma, equals, and colon while JSON does not, and some non-standard implementatio...
Proper way to rename solution (and directories) in Visual Studio
...file method below (references disappearing), but it can result in problems if your project is under source control (see notes below). This is why step 2 (backup) is so important.
Close Visual Studio.
Create a backup of your .sln file (you can always roll back).
Imagine you want to rename director...
Yank file name / path of current buffer in Vim
... our example we use expand('%') to expand the current file name. We can modify it as expand('%:p') for the full file name.
See :help let :help expand :help registers for details
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Best way to convert string to bytes in Python 3?
There appear to be two different ways to convert a string to bytes, as seen in the answers to TypeError: 'str' does not support the buffer interface
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