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How do I use a custom deleter with a std::unique_ptr member?
I have a class with a unique_ptr member.
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Is it better in C++ to pass by value or pass by constant reference?
Is it better in C++ to pass by value or pass by constant reference?
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How to fix Git error: object file is empty?
When I try to commit changes, I get this error:
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Is there a bash command which counts files?
Is there a bash command which counts the number of files that match a pattern?
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What is declarative programming? [closed]
I keep hearing this term tossed around in several different contexts. What is it?
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In plain English, what does “git reset” do?
I have seen interesting posts explaining subtleties about git reset .
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
I've been profiling some of our core math on an Intel Core Duo, and while looking at various approaches to square root I've noticed something odd: using the SSE scalar operations, it is faster to take a reciprocal square root and multiply it to get the sqrt, than it is to use the native sqrt opcode!...
Python: finding an element in a list [duplicate]
What is a good way to find the index of an element in a list in Python?
Note that the list may not be sorted.
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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
In multiple courses, books, and jobs, I have seen text fields defined as VARCHAR(255) as kind of the default for "shortish" text. Is there any good reason that a length of 255 is chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a go...
What's the difference between array_merge and array + array?
A fairly simple question. What's the difference between:
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