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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...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...
"""
plt.plot(x, y, 'ro',label="Original Data")
"""
brutal force to avoid errors
"""
x = np.array(x, dtype=float) #transform your data in a numpy array of floats
y = np.array(y, dtype=float) #so the curve_fit can work
"""
create a function to fit with your data. a, b, c and d are the coeffici...
Database design for audit logging
...ontent ON CurrentRevision = Revision AND ID = PageID
There might be some errors up there...this is off the top of my head. It should give you an idea of an alternative pattern, though.
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Objective-C declared @property attributes (nonatomic, copy, strong, weak)
... In addition to the comment of @JohnBushnell there are many other errors and inaccuracies in this answer. It has also not aged well, so is somwhat historical. Go look elsewhere if you seek an answer to this question.
– CRD
Mar 1 '18 at 5:22
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