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LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria
... on how you sort the records. You can use OrderBy() or OrderByDescending() etc before calling FirstOrDefault. See the OP's code example.
– Gan
May 19 '14 at 9:02
5
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Difference between doseq and for in Clojure
...ide-effects (printing, writing to a database, launching a nuclear warhead, etc) based on elements from some sequences, use doseq.
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PHP exec() vs system() vs passthru()
...ge benefit. It will let you execute scripts/programs such as vim, dialog, etc, letting those programs handle control and returning to your script only when they are done.
If you use system() or exec() to execute those scripts/programs, it simply won't work.
Gotcha: For some reason, you can't exec...
How to do a scatter plot with empty circles in Python?
...lotlib.patches, here is some sample code on how to draw circles rectangles etc.
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How do you add Boost libraries in CMakeLists.txt?
...you have multiple build-versions of boost (multi-threaded, static, shared, etc.) you can specify you desired configuration before calling find_package. Do this by setting some of the following variables to On: Boost_USE_STATIC_LIBS, Boost_USE_MULTITHREADED, Boost_USE_STATIC_RUNTIME
When searching fo...
jQuery pass more parameters into callback
...}
};
and when you can do:
$.post("someurl.php",data,wrapper(var1, var2, etc...),"html");
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What are the alternatives now that the Google web search API has been deprecated? [closed]
...ality is much lower than normal Google search (no synonyms, "intelligence" etc.)
It seems that Google is even planning to shut down this service completely.
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Fastest way to check if string contains only digits
...g (always profile because the results depend on hardware, versions, order, etc.):
static bool isDigitsFr(string s) { if (s == null || s == "") return false; for (int i = 0; i < s.Length; i++) if (s[i] < '0' || s[i] > '9') return false; return true; }
static bool isDigitsFu(string s) { if (...
Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
...orked for me, but my "correct" cvtres.exe file was a different size, date, etc. (Still from VS 2012 bin, though)
– aampere
Sep 14 '16 at 23:22
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How to initialize a private static const map in C++?
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map<int,int> create_map() {
map<int, int> m;
m[1] = 2; // etc.
return m;
}
}
map<int, int> const A::m = create_map();
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