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In MySQL queries, why use join instead of where?
... of the JOIN. Thus, if you want to further filter this result, specify the extra filters in the WHERE clause.
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Detecting a mobile browser
...() just to put the more common cases first and let early bailout save some extra processing?
– Rob_vH
Mar 12 '15 at 14:33
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What is the difference between Sublime text and Github's Atom [closed]
...ious. I have however fixed the post to reflect the fact and added a little extra info to bring things up to date.
– sebt
May 19 '14 at 23:39
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Find XOR of all numbers in a given range
... ^ 3 ^ 4 .. ^ b
b is greater than a, so just by safely dropping in a few extra brackets (which we can because it's associative), we can also say this:
f(b) = ( 0 ^ 1 ^ 2 ^ 3 ^ 4 .. ^ (a-1) ) ^ (a ^ a+1 ^ a+2 .. ^ b)
Which simplifies to:
f(b) = f(a-1) ^ (a ^ a+1 ^ a+2 .. ^ b)
f(b) = f(a-...
Is there a better way to express nested namespaces in C++ within the header
...vision isn't any longer than company_division) and don't have to define an extra namespace alias first to use it.
– Kaiserludi
Aug 16 '18 at 14:35
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Is the != check thread safe?
...It is not sufficient. In fact, in the absence of synchronization (and the extra "happens before" relationships that imposes), the optimization is valid,
– Stephen C
Aug 28 '13 at 9:49
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When to use inline function and when not to use it?
...e is suitable for short functions whose body doesn't necessitate including extra dependencies over what just a declaration would need. Every time the defintion is encountered it must be parsed and code for its body may be generated so it implies some compiler overhead over a function defined only on...
How to get the difference between two arrays of objects in JavaScript
...ric difference of the two lists by applying the predicate appropriately. (Extra points if it were more efficient than having to run through all m * n comparisons twice!)
– Scott Sauyet
Feb 24 '14 at 12:55
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Git branch diverged after rebase
...h - will that not create a new commit for that? Will that not result in an extra commit once this feature branch if merge to master later on?
– Ross
May 15 '18 at 22:54
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What's the difference between a proc and a lambda in Ruby?
...ns nil
proc.call(1,2,3) # prints out 1 and forgets about the extra arguments
2. Lambdas and procs treat the ‘return’ keyword differently
‘return’ inside of a lambda triggers the code right outside of the lambda code
def lambda_test
lam = lambda { return }
lam.call
put...