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Why do you expect it to be false? What did you think the regex was trying to say? Were you expecting it to behave like ^([1-9]|0)$ ?
I know that set of all deciders is countable. I am wondering whether it is infinite.In other words can we prove that the set of recursive languages is infinite ? Edit : The above question has small
I think that's correct, yes. The format is designed so that an integer 64-bit comparison will return correct answers for > and <, so any positive value will by that criteria be larger than the all-zeros value.
I am reading the Google Go tutorial and saw this in the constants section: There are no constants like 0LL or 0x0UL I tried to do a Google search but all that comes up are instances where people ...
I am trying to create a maze solver in python using the Breadth-first search. The algorith is supposed to replace the shortest path from S to E (start to end) with 1's. However, my program is runni...
What exactly is the difference between setting an object to NULL and using ZeroMemory? I hear that it is good practice in the WinAPI (which is mostly C) that a person should use ZeroMemory on C ob...
I have a 2d matrix like this example below: 00000000000000000000000000000000000000000000000000 00110000011000111111000110000000110000001111100000 ...
Also, the reason they tend to say O(M+N) is because it's a tighter bound and also clearer. It usually means "we process edges and vertices for linear time" while O(M) would give you the impression that perhaps the algorithm ignores vertices entirely. It also helps because graph algorithm implementations often vary significantly in performance. If your graph is sparse (i.e. |M| is very small ...
I have a function getNextSeqNo(). I want it to increment the numeric string when it is called, i.e. 0000000000 to 0000000001, and then to 0000000002. How do I do it? I have written it as follows: ...
Does the C standard explicitly indicate the truth values of true and false as 0 and 1 respectively? The C standard defines true and false as macros in stdbool.h which expand to 1 and 0 respectively. C11-§7.18: The remaining three macros are suitable for use in #if preprocessing directives. They are true which expands to the integer constant 1, false which expands to the integer constant 0 ...