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Why are C# 4 optional parameters defined on interface not enforced on implementing class?
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UPDATE: This question was the subject of my blog on May 12th 2011. Thanks for the great question!
Suppose you have an interface as you describe, and a hundred classes that implement it. Then you decide to make one of the parameters of one of the interface'...
How to convert Java String into byte[]?
Is there any way to convert Java String to a byte[] ( not the boxed Byte[] )?
8 Answers
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TypeScript function overloading
Section 6.3 of the TypeScript language spec talks about function overloading and gives concrete examples on how to implement this. However if I try something like this:
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What exactly does the .join() method do?
I'm pretty new to Python and am completely confused by .join() which I have read is the preferred method for concatenating strings.
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Diff output from two programs without temporary files
Say I have too programs a and b that I can run with ./a and ./b .
6 Answers
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What do ellipsis […] mean in a list?
...ans that you created an infinite list nested inside itself, which can not be printed. p contains p which contains p ... and so on. The [...] notation is a way to let you know this, and to inform that it can't be represented! Take a look at @6502's answer to see a nice picture showing what's happeni...
Passing a 2D array to a C++ function
I have a function which I want to take, as a parameter, a 2D array of variable size.
15 Answers
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Remove the last character from a string [duplicate]
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Peter Mortensen
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answered Apr 8 '11 at 9:16
anonanon
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How to get the type of a variable in MATLAB?
Does MATLAB have a function/operator that indicates the type of a variable (similar to the typeof operator in JavaScript)?
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Why is it slower to iterate over a small string than a small list?
...ser to 70% (or more) once a lot of the overhead is removed, for Python 2.
Object creation is not at fault. Neither method creates a new object, as one-character strings are cached.
The difference is unobvious, but is likely created from a greater number of checks on string indexing, with regards to ...