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What's the difference between a mock & stub?

...anything. Difference between Mocks and Stubs Tests written with mocks usually follow an initialize -> set expectations -> exercise -> verify pattern to testing. While the pre-written stub would follow an initialize -> exercise -> verify. Similarity between Mocks and Stubs The pur...
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How do I find duplicates across multiple columns?

...simple and efficient means to locate unwanted repetition, whilst also list all affected rows and all wanted columns: SELECT t.* FROM ( SELECT s.* , COUNT(*) OVER (PARTITION BY s.name, s.city) AS qty FROM stuff s ) t WHERE t.qty > 1 ORDER BY t.name, t.city While most...
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How do I include a pipe | in my linux find -exec command?

...ld result in only a single agrep process being spawned which would process all the output produced by numerous invocations of zcat. If you for some reason would like to invoke agrep multiple times, you can do: find . -name 'file_*' -follow -type f \ -printf "zcat %p | agrep -dEOE 'grep'\n" | s...
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LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria

...amount of results but you state that you only want the first one. I personally find the semantics very different and using the appropriate one, depending on the expected results, improves readability. share | ...
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How to return a string value from a Bash function

... +1 @tomas-f : you have to be really careful on what you have in this function "getSomeString()" as having any code which will eventually echo will mean that you get incorrect return string. – Mani Sep 14 '12 at 16:38 ...
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Functional programming - is immutability expensive? [closed]

...’d like to clarify some points. The “in-place” quicksort isn’t really in-place (and quicksort is not by definition in-place). It requires additional storage in the form of stack space for the recursive step, which is in the order of O(log n) in the best case, but O(n) in the worst case. Im...
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Why is using the JavaScript eval function a bad idea?

The eval function is a powerful and easy way to dynamically generate code, so what are the caveats? 26 Answers ...
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What are the alternatives now that the Google web search API has been deprecated? [closed]

... From the TOS: "You specifically agree not to access (or attempt to access) any of the Services through any automated means (including use of scripts or web crawlers)..." – ændrük Mar 6 '11 at 17:53 ...
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Flat file databases [closed]

... Well, what is the nature of the flat databases. Are they large or small. Is it simple arrays with arrays in them? if its something simple say userprofiles built as such: $user = array("name" => "dubayou", "age" => 20, "websites" => array("dubayou.com",...
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How to initialize a private static const map in C++?

... int>’ as ‘this’ argument of ‘std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = int; _Tp = int; _Compare = std::less<int>; _Alloc = std::allocator<std::pair<const int, int>...