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Delete an element from a dictionary
... del/assignment/etc. means you're going from constant time to linear time, and also using linear space. For small dicts, this is not a problem. But if you're planning to make lots of copies of large dicts, you probably want a different data structure, like a HAMT (as described in this answer).
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What is the difference between IEqualityComparer and IEquatable?
I want to understand the scenarios where IEqualityComparer<T> and IEquatable<T> should be used.
The MSDN documentation for both looks very similar.
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Exclude folders from Eclipse search
Is there a way to exclude certain folders (and all their subfolders) from searching within Eclipse?
6 Answers
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Generate random string/characters in JavaScript
I want a 5 character string composed of characters picked randomly from the set [a-zA-Z0-9] .
77 Answers
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Counting the number of True Booleans in a Python List
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That is not idiomatic and makes "abuse" of the type coercion of bool.
– Jan Segre
Sep 4 '14 at 22:19
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Update a submodule to the latest commit
I have a project A which is a library and it is used in a project B.
7 Answers
7
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What's a “static method” in C#?
...e class.
A static class is a class which can only contain static members, and therefore cannot be instantiated.
For example:
class SomeClass {
public int InstanceMethod() { return 1; }
public static int StaticMethod() { return 42; }
}
In order to call InstanceMethod, you need an instanc...
How do I copy folder with files to another folder in Unix/Linux? [closed]
...issues to copy a folder with files in that folder into another folder. Command cp -r doesn't copy files in the folder.
3 ...
Deleting a resource using http DELETE
... (even if the resource never existed). The client wanted the resource gone and it is gone. Returning a 404 is exposing internal processing that is unimportant to the client and will result in an unnecessary error condition.
– Brian
Feb 16 '14 at 7:07
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Python function global variables?
... value of the result of func_A, or (3) to a local variable x with no value and (in the eyes of the compiler) no relation to "some value" or the x in func_A?
– Akshat Shekhar
May 14 '12 at 18:00
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