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Find Java classes implementing an interface [duplicate]
...functionality to locate the classes that implemented a given interface. I know the functions were hidden in some non-logical place, but they could be used for other classes as the package name implied. Back then I did not need it, so I forgot about it, but now I do, and I can't seem to find the func...
How to access property of anonymous type in C#?
...ng overdue for an update for C# 4:
dynamic d = o;
object v = d.Foo;
And now another alternative in C# 6:
object v = o?.GetType().GetProperty("Foo")?.GetValue(o, null);
Note that by using ?. we cause the resulting v to be null in three different situations!
o is null, so there is no object a...
Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
...an getTest(@JsonArg("/str1") String str1, @JsonArg("/str2") String str2)
Now write a Custom HandlerMethodArgumentResolver which uses the JsonPath defined above to resolve the actual argument:
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.io....
The static keyword and its various uses in C++
...ses), then it can't be accessed from any other translation unit. This is known as "internal linkage" or "static storage duration". (Don't do this in headers except for constexpr. Anything else, and you end up with a separate variable in each translation unit, which is crazy confusing)
If it's a var...
Including dependencies in a jar with Maven
...
directory-single is now deprecated as well.
– James McMahon
May 2 '12 at 20:44
...
How do you print in Sublime Text 2
...
This should be the correct answer by now, since it makes the workaround with SublimeHighlight obsolete
– klaffenboeck
Nov 12 '13 at 11:16
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Unit testing Anti-patterns catalogue
... Act some more >> Assert B >> Act some more >> Assert C. Now ideally if A and C are broken, you should see 2 test failures. With the above test, you'd see only one, then you fix A and on the next run, it'd tell you that now C is broken. now imagine 5-6 distinct tests fused together...
How can I see normal print output created during pytest run?
...y, neither py.test nor any existing third-party py.test plugin (...that I know of, anyway) supports teeing – despite Python trivially supporting teeing out-of-the-box.
Monkey-patching py.test to do anything unsupported is non-trivial. Why? Because:
Most py.test functionality is locked behind a ...
MySQL, better to insert NULL or empty string?
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I don't know what best practice would be here, but I would generally err in favor of the null unless you want null to mean something different from empty-string, and the user's input matches your empty-string definition.
Note that I'...
How to delete duplicate lines in a file without sorting it in Unix?
...)\n\1$/!P; D' means "If you're not at the last line, read in another line. Now look at what you have and if it ISN'T stuff followed by a newline and then the same stuff again, print out the stuff. Now delete the stuff (up to the newline)."
– Beta
Sep 18 '09 at ...