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Entity Framework Code First - two Foreign Keys from same table
... .WillCascadeOnDelete(false);
}
}
Primary keys are mapped by default convention. Team must have two collection of matches. You can't have single collection referenced by two FKs. Match is mapped without cascading delete because it doesn't work in these self referencing many-to-many....
Multiple commands on a single line in a Windows batch file
... tend to be evaluated on read rather than execute.
You can get round this by turning on delayed expansion:
pax> cmd /v:on /c "echo !time! & ping 127.0.0.1 >nul: & echo !time!"
15:23:36.77
15:23:39.85
That's needed from the command line. If you're doing this inside a script, you can...
python: SyntaxError: EOL while scanning string literal
...
And careful to only use three quotation marks, I had four by accident and the error came up
– Oregano
Dec 9 '14 at 23:13
1
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'Operation is not valid due to the current state of the object' error during postback
...sted quite a few form fields to your page. The new default max introduced by the recent security update is 1000.
Try adding the following setting in your web.config's <appsettings> block. in this block you are maximizing the MaxHttpCollection values this will override the defaults set by .ne...
typedef struct vs struct definitions [duplicate]
...se it and define variables or function arguments of the newly defined type by defining the type of the argument as struct S:
void f( struct S argument ); // struct is required here
The second line adds a type alias S in the global name space and thus allows you to just write:
void f( S argument ...
Why would anyone use set instead of unordered_set?
...
It's ordered using std::less by default; you can override this and supply your own comparison operator. cplusplus.com/reference/set/set
– moonshadow
Nov 26 '15 at 6:48
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Detailed 500 error message, ASP + IIS 7.5
...t and you're using IE, IE will happily ignore the useful content sent back by the server and show you its own generic error page instead. You can turn this off in IE's options, or use a different browser.
share
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ASP.NET MVC 3 Razor: Include JavaScript file in the head tag
...of in the head tag. This is so that it wouldn't prevent parallel downloads by the browser. See developer.yahoo.com/performance/rules.html
– Peter
Dec 13 '10 at 12:01
4
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Redirecting Output from within Batch file
...ent messages on the screen. It is still possible to to do this efficiently by redirecting to undefined handles outside a parenthesized block or subroutine, and then use the & notation to reference the already opened files.
call :sub 9>File1.txt 8>File2.txt
exit /b
:sub
echo Screen messag...
Unignore subdirectories of ignored directories in Git
...ptional prefix "!" which negates the pattern; any matching file
excluded by a previous pattern will become included again. It is not
possible to re-include a file if a parent directory of that file is
excluded. Git doesn’t list excluded directories for performance
reasons, so any patterns ...