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What does “O(1) access time” mean?
I have seen this term "O(1) access time" used to mean "quickly" but I don't understand what it means. The other term that I see with it in the same context is "O(n) access time". Could someone please explain in a simple way what these terms mean?
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Java ArrayList - how can I tell if two lists are equal, order not mattering?
I have two ArrayList s of type Answer (self-made class).
18 Answers
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What is a “cache-friendly” code?
What is the difference between " cache unfriendly code " and the " cache friendly " code?
9 Answers
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How can two strings be concatenated?
How can I concatenate (merge, combine) two values?
For example I have:
12 Answers
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Static constant string (class member)
I'd like to have a private static constant for a class (in this case a shape-factory).
11 Answers
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How do I include a pipe | in my linux find -exec command?
This isn't working. Can this be done in find? Or do I need to xargs?
6 Answers
6
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What is the difference between const and readonly in C#?
What is the difference between const and readonly in C#?
31 Answers
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Is there a C++ decompiler? [closed]
I have a program in which I've lost the C++ source code. Are there any good C++ decompilers out there?
5 Answers
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Converting string to title case
I have a string which contains words in a mixture of upper and lower case characters.
23 Answers
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NULL vs nullptr (Why was it replaced?) [duplicate]
I know that in C++ 0x or NULL was replaced by nullptr in pointer-based applications. I'm just curious of the exact reason why they made this replacement?
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