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Find lines from a file which are not present in another file [duplicate]
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This allocated like 15GB of memory for me for a couple files each < 300 MB...
– user541686
Jan 13 '19 at 17:04
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How is Node.js inherently faster when it still relies on Threads internally?
...ault stack sizes for modern threads tend to be pretty huge, but the memory allocated by a closure-based event system would be only what's needed)
b) a real benchmark that actually gives a fair chance to the threaded server of choice. At least that way, I'd have to stop believing that the claims are...
How to iterate through all git branches using bash script
...em as pattern matching characters. The spaces are also escaped (to prevent tokenization) because you are literally matching '* '.
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Iterator invalidation rules
...s
vector: The functions insert, emplace_back, emplace, push_back cause reallocation if the new size is greater than the old capacity. Reallocation invalidates all the references, pointers, and iterators referring to the elements in the sequence. If no reallocation
happens, all the iterators and re...
Attempt to set a non-property-list object as an NSUserDefaults
...ta *data = [currentDefaults objectForKey:@"yourKeyName"];
yourObjectType * token = [NSKeyedUnarchiver unarchiveObjectWithData:data];
For Remove
[currentDefaults removeObjectForKey:@"yourKeyName"];
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Performing Breadth First Search recursively
...tupidly ridiculous with the call stack that you shouldn't be.
On the same token, the nature of any non-tail recursion you try to implement is essentially adding a stack to the algorithm. This makes it no longer breadth first search on a binary tree, and thus the run-time and whatnot for traditiona...
Can an Android Toast be longer than Toast.LENGTH_LONG?
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android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running?
– Ahamadullah Saikat
Jan 8 at 11:37
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How expensive is RTTI?
...;typeid()
5) 14,261,000 Ticks (~23 Seconds) - typeid() with extra variable allocations.
So the conclusion would be:
For simple cast cases without optimisation typeid() is more than twice faster than dyncamic_cast.
On a modern machine the difference between the two is about 1 nanosecond (a milliont...
What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
...o make sure that command2 is only run if command1 ran successfully.
The ; token just separates commands, so it will run the second command regardless of whether or not the first one succeeds.
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What optimizations can GHC be expected to perform reliably?
...pose of floatInwards is floating into branches of a case, so that we don't allocate things, save them on the stack, and then discover that they aren't needed in the chosen branch.
As an example, suppose we had this expression:
let x = big in
case v of
True -> x + 1
False -&g...