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What should I do if the current ASP.NET session is null?
...nableSession = true)]
By specifying the EnableSession value, you will now have a managed session to play with. If you don’t specify this value, you will get a null Session object, and more than likely run into null reference exceptions whilst trying to access the session object.
Thanks to M...
What's the point of g++ -Wreorder?
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Consider:
struct A {
int i;
int j;
A() : j(0), i(j) { }
};
Now i is initialized to some unknown value, not zero.
Alternatively, the initialization of i may have some side effects for which the order is important. E.g.
A(int n) : j(n++), i(n++) { }
...
How to import a jar in Eclipse
...stall Eclipse or your OS you won't have to rwlink anything except the JDK) Now select the jar files you want. Click OK.
Right click on your project and choose Build Path -> Add Library
FYI just code and then right click and Source->Organize Imports
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)
... Its the first time I helped someone through here. feels good knowing I helped :)
– Skrmnghrd
Oct 23 '17 at 7:35
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What are the “loose objects” that the Git GUI refers to?
...split in first two characters to improve performance of the File system as now not all the objects are stored in the same directory)
Objects stored as above are referred to as Loose objects.
When you start up with your repo, you mostly have loose objects. As the number goes high, it becomes ineffi...
Find region from within an EC2 instance
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Thanks @FlorinAndrei. Works for me now too.
– Adam Monsen
Mar 13 '14 at 16:44
3
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Programmatically Request Access to Contacts
... longer works. I believe this is a permission related problem, since Apple now requires user permission before accessing contacts (fixing this issue).
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Difference between std::result_of and decltype
...f a deduction failure. That has been corrected in C++14: std::result_of is now required to be SFINAE-friendly (thanks to this paper).
So on a conforming C++14 compiler, std::result_of_t<F(Args...)> is strictly superior. It's clearer, shorter, and correctly† supports more Fs‡ .
†Unless...
How do I put a variable inside a string?
... With the introduction of f-strings in Python 3.6, this can now be written as plot.savefig(f'hanning{num}.pdf'). I added an answer with this info.
– joelostblom
May 26 '17 at 15:30
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Find out how much memory is being used by an object in Python [duplicate]
...ld you go about finding out how much memory is being used by an object? I know it is possible to find out how much is used by a block of code, but not by an instantiated object (anytime during its life), which is what I want.
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