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Many-to-many relationship with the same model in rails?
..._a_id", :null => false
t.integer "post_b_id", :null => false
end
By default, Rails will call this table a combination of the names of the two tables we're joining. But that would turn out as posts_posts in this situation, so I decided to take post_connections instead.
Very important here ...
WCF timeout exception detailed investigation
...t six hours and collected some 60k frames. Only one exception was reported by this client today. I did see a TCP connection marked as RST (reset), apparently after sending the error email, which is probably WCF that is terminating the connection. I saved the payload (525k) to disk. I verified that...
How to add “on delete cascade” constraints?
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Initializing a member array in constructor initializer
...No, unfortunately.
You just can't in the way you want, as it's not allowed by the grammar (more below). You can only use ctor-like initialization, and, as you know, that's not available for initializing each item in arrays.
I believe so, as they generalize initialization across the board in many us...
线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ions should be used)
//
// In general, CWnd objects should be passed by HWND from
// one thread to another. The receiving thread can wrap
// the HWND with a CWnd object by using CWnd::FromHandle.
//
// It is dangerous to pass C++ objects from one thread to
// another, unless th...
What's the fuss about Haskell? [closed]
...me.
Haskell is "lazy". It doesn't calculate things until it needs to, and by extension doesn't calculate things it never needs. For instance, if you were to remove the writeFile line, Haskell wouldn't bother reading anything from the file in the first place.
As it is, Haskell realises that the wri...
Is $(document).ready necessary?
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Pass data to layout that are common to all pages
... same properties to each page, then creating a base viewmodel that is used by all your view models would be wise. Your layout page can then take this base model.
If there is logic required behind this data, then this should be put into a base controller that is used by all your controllers.
There ...
@Media min-width & max-width
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How to parse XML in Bash?
...an empty string (since the '<' is the first character). That gets split by IFS into just '', since there isn't a '>' character. Read then assigns an empty string to both variables. The second call gets the string 'tag>value'. That gets split then by the IFS into the two fields 'tag' and 'va...