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Correct format specifier to print pointer or address?
...int* were, say, two bytes, and void* were 4 bytes, then it'd clearly be an error to read four bytes from the argument, non?
I was under the illusion that the C standard says that all object pointers must be the same size, so void * and int * cannot be different sizes. However, what I think is the...
Simple Digit Recognition OCR in OpenCV-Python
...ple and label data. But when i run the test-training file, it runs with an error *** stack smashing detected ***: and hence i am not getting a final proper image as you are getting above (digits in green color)
– skm
Feb 14 '14 at 19:41
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In C# what is the difference between a destructor and a Finalize method in a class?
... destructor syntax to do so. Manually overriding Finalize will give you an error message.
Basically what you are trying to do with your Finalize method declaration is hiding the method of the base class. It will cause the compiler to issue a warning which can be silenced using the new modifier (if...
Why use Abstract Base Classes in Python?
...sinstance(c, MyABC): # will be true
c.abc_method() # raises AttributeError
Unfortunately this one of those "just don't do that" traps (of which Python has relatively few!): avoid defining ABCs with both a __subclasshook__ and non-abstract methods. Moreover, you should make your definition of...
How to check if a table exists in a given schema
...
Same as the cast, but it returns ...
... null rather than throwing an error if the name is not found
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The relationship could not be changed because one or more of the foreign-key properties is non-nulla
I am getting this error when I GetById() on an entity and then set the collection of child entities to my new list which comes from the MVC view.
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How to create a generic array in Java?
... of implementing a generic collection in Effective Java; Item 26. No type errors, no need to cast the array repeatedly. However this triggers a warning because it is potentially dangerous, and should be used with caution. As detailed in the comments, this Object[] is now masquerading as our E[] t...
Is using Random and OrderBy a good shuffle algorithm?
...at you're actually trying to do.
EDIT: Here's a simple implementation (no error checking!):
public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> source, Random rng)
{
T[] elements = source.ToArray();
// Note i > 0 to avoid final pointless iteration
for (int ...
内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ation_mcb->size = numbytes;
}
/* Now, no matter what (well, except for error conditions),
* memory_location has the address of the memory, including
* the mem_control_block
*/
/* Move the pointer past the mem_control_block */
memory_location = memory_location + sizeof(struct mem_con...
Where to put view-specific javascript files in an ASP.NET MVC application?
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When i do this i get the error that httpHandlers cannot be used in pipeline mode. It wants me to switch to classic mode on the server. What is the the correct way of doing this when one does not want the server to use classic mode?
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