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C# generic list how to get the type of T? [duplicate]
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I wanted to use this approach but then i realized i will have to have the list instance in order to determine element type, which i will not always have.
– Muxa
Feb 22 '10 at 22:04
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Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
...st * is applied to that function pointer, yielding the function foo again.
Then, the result is again implicitly converted to a pointer to itself and the second * is applied, again yielding the function foo.
It is then implicitly converted to a function pointer again and assigned to the variable.
Y...
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
...ething like that client side app crashing and leaving connections open and then opening new ones when it restarts. If this kind of thing happens a lot then you'll run out of connections. Or the app is just configured improperly and opens too many connections.
– Scott Marlowe
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Scala vs. Groovy vs. Clojure [closed]
...ne. Seen in this context it is clear why he wouldn't have developed Groovy then of course. And I dare to say he gave many good ideas, but he is not the creator of current Groovy. he left the project long before the 1.0 in 2007 and has no participated since then. There is at least as much without him...
Returning an array using C
...r returned [10];
//methods to pull values from array, interpret them, and then create new array
return &(returned[0]); //is this correct?
}
returned is created with automatic storage duration and references to it will become invalid once it leaves its declaring scope, i.e., when the functio...
std::auto_ptr to std::unique_ptr
.... std::auto_ptrs copy semantics are evil. If the class disallows copying then std::unique_ptr is a drop in replacement. However, if you tried to give the class reasonable copy semantics, you'll need to change the std::auto_ptr handling code. This is simple as the compiler will complain if you do...
Give all the permissions to a user on a DB
...D nspname NOT LIKE 'pg\_%' -- ... system schemas
);
END
$$;
Then, all permissions for all tables (requires Postgres 9.0 or later).
And don't forget sequences (if any):
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO my_user;
GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA publ...
How do I redirect with JavaScript? [duplicate]
...a function. What you can do is pass some flag on the URL when redirecting, then check that flag in the server side code and if raised, execute the function.
For example:
document.location = "MyPage.php?action=DoThis";
Then in your PHP code check for "action" in the query string and if equal to "...
Choosing between qplot() and ggplot() in ggplot2 [closed]
...es(a,b)) +geom_line()
If i change the value of the variables a and b and then plot x, it will take into account the changed values where as y would not. So while scripting it would be good to use ggplot as if you use qplot all the graphs will be equal to the latest provided references to qplot.
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Insert space before capital letters
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regex to find lower case - upper case boundary then insert a space
<div id='x'>ThisIsMySites</div>
$('#x').text( $('#x').text().replace(/([a-z])([A-Z])/g, "$1 $2") );
http://jsfiddle.net/uXy64/
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