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NULL values inside NOT IN clause
...he not in constraint had one null value (bad data) which caused that query to return a count of 0 records. I sort of understand why but I could use some help fully grasping the concept.
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What is an idiomatic way of representing enums in Go?
I'm trying to represent a simplified chromosome, which consists of N bases, each of which can only be one of {A, C, T, G} .
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How can I git stash a specific file?
How can I stash a specific file leaving the others currently modified out of the stash I am about to save?
3 Answers
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Detect URLs in text with JavaScript
Does anyone have suggestions for detecting URLs in a set of strings?
13 Answers
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How do I get the opposite (negation) of a Boolean in Python?
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You can just use:
return not bool
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What's the best way to iterate over two or more containers simultaneously
C++11 provides multiple ways to iterate over containers. For example:
10 Answers
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Listing all permutations of a string/integer
A common task in programming interviews (not from my experience of interviews though) is to take a string or an integer and list every possible permutation.
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How to get the seconds since epoch from the time + date output of gmtime()?
How do you do reverse gmtime() , where you put the time + date and get the number of seconds?
6 Answers
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Find nearest value in numpy array
Is there a numpy-thonic way, e.g. function, to find the nearest value in an array?
16 Answers
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Pointer to class data member “::*”
...lt; "speed is " << c1.speed << endl;
return 0;
}
As to why you would want to do that, well it gives you another level of indirection that can solve some tricky problems. But to be honest, I've never had to use them in my own code.
Edit: I can't think off-hand of a convincing use f...