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static const vs #define
... generating warnings.
Advantages of "const"s are that they can be scoped, and they can be used in situations where a pointer to an object needs to be passed.
I don't know exactly what you are getting at with the "static" part though. If you are declaring globally, I'd put it in an anonymous namesp...
What is the purpose of Node.js module.exports and how do you use it?
What is the purpose of Node.js module.exports and how do you use it?
12 Answers
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What is wrong with using goto? [duplicate]
I was ramdomming through xkcd and saw this one (if also read some negative texts about them some years ago):
What is actually wrong with it? Why are goto's even possible in C++ then?
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Is it safe to check floating point values for equality to 0?
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It is safe to expect that the comparison will return true if and only if the double variable has a value of exactly 0.0 (which in your original code snippet is, of course, the case). This is consistent with the semantics of the == operator. a == b means "a is equal to b".
It is not sa...
What is the difference between char s[] and char *s?
...o world";
will place "Hello world" in the read-only parts of the memory, and making s a pointer to that makes any writing operation on this memory illegal.
While doing:
char s[] = "Hello world";
puts the literal string in read-only memory and copies the string to newly allocated memory on the...
What is the difference between a heuristic and an algorithm?
What is the difference between a heuristic and an algorithm?
12 Answers
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How do you determine the size of a file in C?
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You could probably change the return type to ssize_t and cast the size from an off_t without any trouble. It would seem to make more sense to use a ssize_t :-) (Not to be confused with size_t which is unsigned and cannot be used to indicate error.)
– Ted P...
Linux: compute a single hash for a given folder & contents?
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If there is a whole directory tree, you're probably better off using find and xargs. One possible command would be
find path/to/folder -type f -print0 | sort -z | xargs -0 sha1sum | sha1sum
And, finally, if you also need to take account of permissions and empty directories:
(find path/to/folde...
How to copy a selection to the OS X clipboard
...this might not work for you, but if you have Vim-version 7.4 then it does (and sometimes you don't even have to do the whole "+y ). And you check this by just writing >vim in the terminal and then the version-number is when you start it up.
– Zeth
Sep 9 '1...
Conditional formatting based on another cell's value
...low, it actually means "B{current_row}", so for C5 it's B5, for C6 it's B6 and so on. Unless you specify $B$5 - then you refer to one specific cell.
This is supported in Google Sheets as of 2015:
https://support.google.com/drive/answer/78413#formulas
In your case, you will need to set conditiona...