Deals with various issues of implementation.
Deals with various issues of implementation of functions, features, languages, etc.
Questions tagged [implementation]
2196 questions
10
votes
2 answers
DirectorySecurity sets Special Permissions while FileSecurity does not
Examine the following two blocks of code:
System.Security.AccessControl.DirectorySecurity dsec = System.IO.Directory.GetAccessControl(str);
System.Security.Principal.NTAccount group= new…
Logan
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10
votes
4 answers
OpenCV SURF function is not implemented
When I try to run the sample find_obj.cpp or any OpenCV SURF program I get the following error in command prompt while executing the code. The project builds without errors and warnings. I am using VS2011 beta, OpenCV 2.4 and windows7.
Error…
rotating_image
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9
votes
3 answers
Should I use unnamed namespaces in implementation files?
I have defined some functions (no classes involved here) in an external *.cpp file, and of course there is an appropriate *.h file.
Some of the functions in the *.cpp file are used only in that *.cpp file nowhere else. They are not even mentioned in…
user1192880
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9
votes
7 answers
I want to implement a scheme interpreter for studying SICP
I'm reading the book Structure and Interpretation
of Computer Programs, and I'd like to code a scheme interpreter gradually.
Do you knows the implementation of the scheme most easy to read (and short)?
I will make a JavaScript in C.
freddiefujiwara
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9
votes
3 answers
Adding Cocos2D only to already existing project?
I already have a project that is 90% done and I want to add Cocos2D ONLY to it. I do not need Box2D or Chipmunk. How would I do this? What files do I add? I really need this done, so in the end ill offer a bounty if needed.
Thanks!
SimplyKiwi
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9
votes
3 answers
How to deal with covariance when returning collection in c#?
I have a problem with returning collection and covariance and I was wondering if anyone has a better solution.
The scenario is this:
I have 2 version of implementation and I would like to keep the version implementation completely separate (even…
Khronos
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9
votes
1 answer
SVG 1.1 : What is "user unit" and how to convert user unit into absolute unit(eg: millimeter)?
I am implementing SVG Tiny 1.1 and I am having trouble understanding the "user unit" concept.
SVG 1.1 specification defines every with no specified unit (such as "mm", "cm", "pt", etc) to be in "user unit".
While implementing interface…
David Andreoletti
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9
votes
3 answers
How is PyTorch's Class BCEWithLogitsLoss exactly implemented?
According to the PyTorch documentation, the advantage of the class BCEWithLogitsLoss() is that one can use the
log-sum-exp trick for numerical stability.
If we use the class BCEWithLogitsLoss() with the parameter reduction set to None, they have a…
Hermi
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9
votes
1 answer
zip function in Haskell
implementation of a zip function that takes two lists as parameters and returns a new list of pairs. I got this so far
myZip [] [] = []
myZip (x:xs) (y:ys) = [(x,y)] ++ myZip xs ys
any help?
Glove
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9
votes
4 answers
Powerful algorithms too complex to implement
What are some algorithms of legitimate utility that are simply too complex to implement?
Let me be clear: I'm not looking for algorithms like the current asymptotic optimal matrix multiplication algorithm, which is reasonable to implement but has a…
Elliot JJ
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9
votes
5 answers
How can a child interface reuse its parents' implementations?
Recently I had an interview and I was asked the following question. Given the following class/interface structure:
Question:
How can one implement interface EmployedStudent to reuse code from StudentImpl and EmployeeImpl.
I suggested to compose…
gstackoverflow
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9
votes
4 answers
Where can I find useful R tutorials with various implementations?
I'm using R language and the manuals on the R site are really informative. However, I'd like to see some more examples and implementations with R which can help me develop my knowledge faster. Any suggestions?
Mehper C. Palavuzlar
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9
votes
3 answers
Python for loop implementation
Can someone tell me how exactly Python's for loops are implemented? The reason I'm asking this is because I'm getting different behavior in the following two for loops when I expect the same behavior (assuming cases is just a set of elements):
First…
Penguinator
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9
votes
7 answers
Including files in a header vs implementation file
What's the difference between including a header file in a header file vs including it in a implementation file?
This
Ex:
// test.h
#include"globals.h"
class Test
{
Test();
};
vs
//test.cpp
#include"globals.h"
Test::Test()
{
}
CodingMadeEasy
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9
votes
3 answers
How does a mocking framework work?
Most mocking frameworks only are capable of mocking interfaces, some can mock virtual methods of classes. Some Java mocking frameworks are even capable of mocking static classes.
E.g. Rhino mock:
var mock = MockRepository.GenerateMock<..>();
What…
bas
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