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lenses, fclabels, data-accessor - which library for structure access and mutation is better
There are at least three popular libraries for accessing and manipulating fields of records. The ones I know of are: data-accessor, fclabels and lenses.
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Java inner class and static nested class
What is the main difference between an inner class and a static nested class in Java? Does design / implementation play a role in choosing one of these?
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If strings are immutable in .NET, then why does Substring take O(n) time?
Given that strings are immutable in .NET, I'm wondering why they have been designed such that string.Substring() takes O( substring.Length ) time, instead of O(1) ?
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Unpacking, extended unpacking and nested extended unpacking
Consider the following expressions. Note that some expressions are repeated to present the "context".
3 Answers
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Insert an element at a specific index in a list and return the updated list
I have this:
5 Answers
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Bytecode features not available in the Java language
Are there currently (Java 6) things you can do in Java bytecode that you can't do from within the Java language?
9 Answers
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Monad in plain English? (For the OOP programmer with no FP background)
In terms that an OOP programmer would understand (without any functional programming background), what is a monad?
19 Answe...
Why did my Git repo enter a detached HEAD state?
I ended up with a detached head today, the same problem as described in: git push says everything up-to-date even though I have local changes
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How do I detect unsigned integer multiply overflow?
I was writing a program in C++ to find all solutions of a b = c , where a , b and c together use all the digits 0-9 exactly once. The program looped over values of a and b , and it ran a digit-counting routine each time on a , b and ab to check if the digits condition was satisfied.
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Better way to check if a Path is a File or a Directory?
I am processing a TreeView of directories and files. A user can select either a file or a directory and then do something with it. This requires me to have a method which performs different actions based on the user's selection.
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