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What is a race condition?
...x == 5)" and "y = x * 2" above,
// y will not be equal to 10.
}
The point being, y could be 10, or it could be anything, depending on whether another thread changed x in between the check and act. You have no real way of knowing.
In order to prevent race conditions from occurring, you would ty...
Write a program to find 100 largest numbers out of an array of 1 billion numbers
I recently attended an interview where I was asked "write a program to find 100 largest numbers out of an array of 1 billion numbers."
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Ruby: extend self
...he code is easier to test, mock, and stub, and it’s still dead simple to convert into a proper class should the need arise.
(( copyright ought ten chris wanstrath ))
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How do I scroll the UIScrollView when the keyboard appears?
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It's good to convert activeField.frame to relative frame as activeField doesn't have to be an immediate child to self.view. Updated code should look something like: CGRect aRect = self.view.frame; aRect.size.height -= kbSize.height; CGRe...
What is the difference between ndarray and array in numpy?
...is in C code, here in multiarray, but you can start looking at the ndarray interfaces here:
https://github.com/numpy/numpy/blob/master/numpy/core/numeric.py
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Regular expression search replace in Sublime Text 2
... anemic. Specifically, I want to do a replace on groups, so something like converting this text:
6 Answers
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What's the fastest algorithm for sorting a linked list?
... you cannot do any better than O(N log N) in running time.
However, the interesting part is to investigate whether you can sort it in-place, stably, its worst-case behavior and so on.
Simon Tatham, of Putty fame, explains how to sort a linked list with merge sort. He concludes with the followin...
Why does AngularJS include an empty option in select?
...ption instead of value. It will parse it to an number and you dont have to convert your values like you do now :)
– Max
May 29 '18 at 8:52
Difference between GeoJSON and TopoJSON
...aScript, for example, you’d typically use the TopoJSON client library to convert TopoJSON to GeoJSON for use with standard tools such as d3.geoPath. (In Python, you can use topojson.py.) Also, TopoJSON’s integer format requires quantizing coordinates, which means that it can introduce rounding e...
Nested attributes unpermitted parameters
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If you use a JSONB field, you must convert it to JSON with .to_json (ROR)
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