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How to properly document S4 class slots using Roxygen2?
For documenting classes with roxygen(2), specifying a title and description/details appears to be the same as for functions, methods, data, etc. However, slots and inheritance are their own sort of animal. What is the best practice -- current or planned -- for documenting S4 classes in roxygen2?
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std::string formatting like sprintf
I have to format std::string with sprintf and send it into file stream. How can I do this?
40 Answers
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What is the “right” JSON date format?
I've seen so many different standards for the JSON date format:
16 Answers
16
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Where is C not a subset of C++? [closed]
...a couple of things
No tentative definitions in C++
int n;
int n; // ill-formed: n already defined
int[] and int[N] not compatible (no compatible types in C++)
int a[1];
int (*ap)[] = &a; // ill-formed: a does not have type int[]
No K&R function definition style
int b(a) int a; { } //...
Pass Multiple Parameters to jQuery ajax call
...ocale: 'en-US' },
dataType: 'json',
success: AjaxSucceeded,
error: AjaxFailed
});
UPDATE:
As suggested by @Alex in the comments section, an ASP.NET PageMethod expects parameters to be JSON encoded in the request, so JSON.stringify should be applied on the data hash:
$.ajax({
ty...
Render HTML to an image
...ble with canvas but I would like to render standard html element like div for example.
16 Answers
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Options for HTML scraping? [closed]
I'm thinking of trying Beautiful Soup , a Python package for HTML scraping. Are there any other HTML scraping packages I should be looking at? Python is not a requirement, I'm actually interested in hearing about other languages as well.
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Numpy first occurrence of value greater than existing value
...True ("In case of multiple occurrences of the maximum values, the indices corresponding to the first occurrence are returned.") and doesn't save another list.
In [2]: N = 10000
In [3]: aa = np.arange(-N,N)
In [4]: timeit np.argmax(aa>N/2)
100000 loops, best of 3: 52.3 us per loop
In [5]: time...
The difference between Classes, Objects, and Instances
... programming language) is modeled in terms of types and values. At the theoretical level, a value is a representation for some quantum of information, and a type is a set of values. When we say value X is an instance of type Y, we are simply saying that X is a member of the set of values that is t...
Length of an integer in Python
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Of course, if you're looking for the number of digits, this will produce a result that's too large for negative numbers, since it will count the negative sign.
– Chris Upchurch
Feb 3 '10 at 5:03
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