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How to replace a hash key with another key
... key in hash then we can do it as follows:
Suppose my hash is my_hash = {'test' => 'ruby hash demo'}
Now I want to replace 'test' by 'message', then:
my_hash['message'] = my_hash.delete('test')
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Modifying a query string without reloading the page
...aid. Here it is an example that might help you to implement it properly. I tested and it worked fine:
if (history.pushState) {
var newurl = window.location.protocol + "//" + window.location.host + window.location.pathname + '?myNewUrlQuery=1';
window.history.pushState({path:newurl},'',newur...
C# Sort and OrderBy comparison
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Note also that the test here sorts the list before starting the stopwatch, so we are comparing how the two algorithms compare when faced with sorted input. This may be quite different than their relative performance with unsorted input.
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HTML5 Audio stop function
...request, the old one is cancelled and our audio element is in clean state (tested in Chrome and FF) :>
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Bootstrap: Position of dropdown menu relative to navbar item
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I tested pull-right and pull-left in RTL website. They work perfect, but dropdown-menu-right and dropdown-menu-left not.
– curious1
Jan 7 '15 at 4:41
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Finding out whether a string is numeric or not
...nd "a valid integer representation". Furthermore, it did exactly that in a test on iOS 4.3.2. However, NSNumberFormatter did return nil.
– Tommy
May 23 '11 at 10:56
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How can I create an object and add attributes to it?
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This seems a better solution to me than unittest.mock; the latter is a bit too heavy-weight and a bit more malleable. With a mock object, simply assigning to an attribute will cause it to spring into existence; SimpleNamespace will resist that.
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Displaying better error message than “No JSON object could be decoded”
... @jxramos: The OP used Python 2.7, as evident from the traceback. A quick test on ideone.com (Python 3.7.3) shows that the stdlib json library has been updated and gives the new error message format. I don’t have time to track exact releases right now however.
– Martijn Piet...
Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
...e synchronized using __syncthreads.
I would greatly appreciate if someone test this again for a more accurate piece of information.
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Quicksort vs heapsort
...? What Quicksort has that is so special over others implementations?
I've tested the algorithms myself and I've seen that Quicksort has something special indeed. It runs fast, much faster than Heap and Merge algorithms.
The secret of Quicksort is: It almost doesn't do unnecessary element swaps. Sw...