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Get index of array element faster than O(n)
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Is there a good reason not to use a hash? Lookups are O(1) vs. O(n) for the array.
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NOT using repository pattern, use the ORM as is (EF)
...ness logic from persistence to reduce complexity and coupling.
Unit tests vs integration tests
You do not write unit tests for repositories. period.
But by introducing repositories (or any other abstraction layer between persistance and business) you are able to write unit tests for the business...
How to remove an element from an array in Swift
...= "chimps" }
This method may be preferred because it scales well (linear vs quadratic), is readable and clean. Keep in mind that it only works in Xcode 10+, and as of writing this is in Beta.
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Referencing system.management.automation.dll in Visual Studio
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I used the VS Project Reference menu and browsed to: C:\windows\assembly\GAC_MSIL\System.Management.Automation and added a reference for the dll and the Runspaces dll.
I did not need to hack the .csprj file and add the reference line m...
Difference between “and” and && in Ruby?
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Avdi updated his take on when to use and vs. &&. Basically use 'and' and 'or' for control flow because of their lower precedence. devblog.avdi.org/2014/08/26/…
– EricC
Nov 6 '14 at 21:53
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Get value of c# dynamic property via string
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@IllidanS4 when you compared the CallSite code vs CallByName code did you compare the two while caching the CallSite instance? I would suspect the cost of your first method is almost purely the activation of the Binder and CallSite, not the invocation of Target()
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How can I get dict from sqlite query?
...s ± 1.05 µs per loop (mean ± std. dev. of 7 runs, 100000 loops each)
vs:
conn.row_factory = lambda c, r: dict([(col[0], r[idx]) for idx, col in enumerate(c.description)])
c = conn.cursor()
%timeit c.execute('SELECT * FROM table').fetchall()
19.4 µs ± 75.6 ns per loop (mean ± std. dev. of 7...
Multiple file-extensions searchPattern for System.IO.Directory.GetFiles
...performance boost (What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?)
"IgnoreCase" should be faster than "ToLower"
Or, it may be faster to split and merge your globs (at least it looks cleaner):
"*.ext1;*.ext2".Split(';')
.SelectMany(g => Directory.EnumerateFil...
What is the “double tilde” (~~) operator in JavaScript? [duplicate]
... would need to write different optimised code for each browser.
See: tilde vs floor
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What are all the common ways to read a file in Ruby?
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community wiki
5 revs, 4 users 56%fl00r
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