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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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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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How do I do an OR filter in a Django query?
...o.db.models import Q
query = Q(first_name='mark')
query.add(Q(email='mark@test.com'), Q.OR)
query.add(Q(last_name='doe'), Q.AND)
queryset = User.objects.filter(query)
This ends up with a query like :
(first_name = 'mark' or email = 'mark@test.com') and last_name = 'doe'
This way there is no n...
how to convert array values from string to int?
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but if you have string 'test', you got: array([0]=> 0 )
– Dmitry Dubovitsky
Oct 9 '13 at 13:39
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Stop form refreshing page on submit
...rom refreshing even if there is a Javascript error which can be useful for testing and development.
– jjz
Apr 30 '14 at 19:47
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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...
What is the maximum possible length of a query string?
... after 64k characters, but can serve more than 100k characters. No further testing was done beyond that.
Firefox (Browser)
After 65,536 characters, the location bar no longer displays the URL in Windows Firefox 1.5.x. However, longer URLs will work. No further testing was done after 100,000 charact...
What's the scope of the “using” declaration in C++?
...namespaces all being used by one "conglomerator"-type file, and gmock unit-testing was extra tedious because each test used things from a specific namespace, and I thought I had to qualify each and every variable. Using using inside a function (or even a gtest TEST macro!) makes my life so much bett...
When would you call java's thread.run() instead of thread.start()?
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You might want to call run() in a particular unit test that is concerned strictly with functionality and not with concurrency.
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
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Perfect! I tested it with 10 chars as length. 100000 tokens and still no duplicates!
– Sharpless512
Feb 26 '14 at 8:13
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