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Floating point vs integer calculations on modern hardware
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This "benchmark" has no data parallelism for out-of-order execution, because every operation is done with the same accumulator (v). On recent Intel designs, divide isn't pipelined at all (divss/divps has 10-14 cycle latency, and the same reciprocal throughput). mulss however...
How to test multiple variables against a value?
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@MJM the output order is not determined by the dict, it is determined by the order of the list [x, y, z]
– dansalmo
Jul 24 '18 at 21:05
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How can I dynamically add a directive in AngularJS?
... };
}
};
});
You'll notice I refactored your directive too in order to follow some best practices. Let me know if you have questions about any of those.
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What is the point of function pointers?
...nters is the C library qsort() function, which implements a Quick Sort. In order to be universal for any and all data structures the user may come up with, it takes a couple of void pointers to sortable data and a pointer to a function that knows how to compare two elements of these data structures....
Creating Multifield Indexes in Mongoose / MongoDB
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@DamonYuan They set the sort order of the fields in the index. 1 is ascending, -1 would be descending.
– JohnnyHK
Oct 27 '15 at 0:05
1...
How can I see which Git branches are tracking which remote / upstream branch?
...| while read branch; do ... which doesn't need a FIFO and runs in the same order like the commands written.
– Daniel Böhmer
May 3 '18 at 7:21
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Java 8 stream's .min() and .max(): why does this compile?
...ompared against each other to find the minimum or maximum, in some optimal order that you don't need to worry too much about.
So the question is, of course, why is Integer::max accepted? After all it's not a comparator!
The answer is in the way that the new lambda functionality works in Java 8. ...
Equation for testing if a point is inside a circle
...n false.
If a point is more likely to be inside this circle then reverse order of first 3 steps:
if dx + dy <= R then
return true.
if dx > R then
return false.
if dy > R
then return false.
if dx^2 + dy^2 <= R^2 then
return true
else
return false.
Alternate ...
Most pythonic way to delete a file which may not exist
...normal behavior in python. For example, iterators must raise exceptions in order to stop iterating.
– Matt
May 31 '12 at 21:37
5
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How to merge two arrays in JavaScript and de-duplicate items
...var array3 = array1.concat(array2).unique();
This will also preserve the order of the arrays (i.e, no sorting needed).
Since many people are annoyed about prototype augmentation of Array.prototype and for in loops, here is a less invasive way to use it:
function arrayUnique(array) {
var a = ar...