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Python extending with - using super() Python 3 vs Python 2
...er didn't clarify anything for me. In Python 2, super(__class__) gives NameError: global name '__class__' is not defined, and super(self.__class__) is erroneous as well. You must provide an instance as a second argument, which would suggest you need to do super(self.__class__, self), but that is wro...
What are the differences between delegates and events?
...n't be assigned directly. In this case, it won't give rise to the previous error that I have showed with overriding the behavior.
No one outside of your class can raise the event.
Events can be included in an interface declaration, whereas a field cannot
Notes:
EventHandler is declared as the fol...
SQL select join: is it possible to prefix all columns as 'prefix.*'?
..., the main table's field values are overriden with the joinedtable values. Error prone, frustrating and a violation of DRY when having to manually specify the table fields with aliases over and over...
Here is a PHP (Wordpress) function to achieve this through code generation together with an examp...
Why do we need virtual functions in C++?
...here is not such a virtual method in some base class, then you’ll get an error (which is desirable).
The ugliness of doing this without virtual methods
Without virtual one would have to implement some Do It Yourself version of the dynamic binding. It’s this that generally involves unsafe man...
Latest jQuery version on Google's CDN
...dating your code to the latest jQuery version. Doing so might even add NEW errors to your code which didn't exist before. No responsible developer would automatically include new code from another site without testing it thoroughly.
There's simply no good reason to ALWAYS be using the latest versio...
Using WebAPI or MVC to return JSON in ASP.NET
... return it via a partial view as this way you are less likely to encounter errors with Javascript parsing. Not to mention it makes the HTML a lot easier to write.
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Unknown file type MIME?
... Thanks! application/unknown is working great, octet-stream results an error in chrome at my sample png-file!
– fnkr
May 12 '13 at 13:34
10
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How do you print in a Go test using the “testing” package?
...sing default formatting, analogous to Println, and records the text in the error log. For tests, the text will be printed only if the test fails or the -test.v flag is set. For benchmarks, the text is always printed to avoid having performance depend on the value of the -test.v flag.
...
Cluster analysis in R: determine the optimal number of clusters
...1)*i^2))))
plot(d)
One. Look for a bend or elbow in the sum of squared error (SSE) scree plot. See http://www.statmethods.net/advstats/cluster.html & http://www.mattpeeples.net/kmeans.html for more. The location of the elbow in the resulting plot suggests a suitable number of clusters for th...
CMake output/build directory
..." insourcesubdir)
IF(insource OR insourcesubdir)
MESSAGE(FATAL_ERROR "${MSG}")
ENDIF(insource OR insourcesubdir)
ENDMACRO(MACRO_ENSURE_OUT_OF_SOURCE_BUILD)
MACRO_ENSURE_OUT_OF_SOURCE_BUILD(
"${CMAKE_PROJECT_NAME} requires an out of source build."
)
The above macro comes from a...