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Counting the occurrences / frequency of array elements
... works (equivalent to the if(!result[a[i]])result[a[i]]=0 answer, which is more elegant but less easy to read); this answers can be modified to use a "nicer" version of the for loop, perhaps a third-party for-loop, but I sort of ignored that since the standard index-based for-loops are sadly the def...
Why use multiple columns as primary keys (composite primary key)
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You use a compound key (a key with more than one attribute) whenever you want to ensure the uniqueness of a combination of several attributes. A single attribute key would not achieve the same thing.
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What is the use for Task.FromResult in C#
...falling back to an asynchronous implementation if the value isn't cached). More generally, a Task-returning method means "may be asynchronous". So sometimes methods are given an asynchronous signature knowing full well that some implementations will be synchronous (e.g., NetworkStream should be asyn...
Does PostgreSQL support “accent insensitive” collations?
...I think I have come up with a better idea:
Best for now
This approach is more efficient as other solutions floating around, and safer.
Create an IMMUTABLE SQL wrapper function executing the two-parameter form with hard-wired schema-qualified function and dictionary.
Since nesting a non-immutable ...
Microsoft.WebApplication.targets was not found, on the build server. What's your solution?
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How to calculate the running time of my program? [duplicate]
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System.nanoTime() is more accurate. see krtek's post. @feelgoodandprogramming
– Hesein Burg
Jul 6 '16 at 17:48
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How to ensure a form field is submitted when it is disabled?
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How to test which port MySQL is running on and whether it can be connected to?
...he -p parameter. Adding the process(es) really helps make this information more useful.
– Ragaar
Jul 5 '17 at 19:51
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How do I enable gzip compression when using MVC3 on IIS7?
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Be aware that this can mess up your "Vary:" host header. More info: stackoverflow.com/questions/5372052/…
– jjxtra
Dec 17 '13 at 23:33
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