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How to play with Control.Monad.Writer in haskell?
...nstallation of GHC, like minGHC, rather than the Haskell Platform). From a command prompt run cabal update and cabal install mtl and then try again.
– Chris Taylor
May 28 '15 at 6:45
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Is gcc 4.8 or earlier buggy about regular expressions?
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<regex> was im...
Can I change the viewport meta tag in mobile safari on the fly?
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Custom error pages on asp.net MVC3
...ed TrySkipIisCustomErrors to fix it for integrated IIS7. See stackoverflow.com/questions/1706934/…
– Pavel Savara
Aug 23 '12 at 11:11
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Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...unfortunately, Perl does seem to be mostly made up of punctuation :-)
The command line switches are all detailed in perlrun. (available from the command line by calling perldoc perlrun)
Going into the options briefly, one-by-one:
-p: Places a printing loop around your command so that it acts on ...
Which $_SERVER variables are safe?
...nd values that the user controls and you need to be aware of where a value comes from and hence whether it can be trusted for a certain purpose. $_SERVER['HTTP_FOOBAR'] for example is entirely safe to store in a database, but I most certainly wouldn't eval it.
As such, let's divide those values int...
std::function and std::bind: what are they, and when should they be used?
...meters_in_the_right_flipping_order = bind(memcpy, _2, _1, _3);
I don't recommend using it just because you don't like the API, but it has potential practical uses for example because:
not2(bind(less<T>, _2, _1));
is a less-than-or-equal function (assuming a total order, blah blah). This e...
Difference between knockout View Models declared as object literals vs functions
... ko.observable(first);
this.last = ko.observable(last);
this.full = ko.computed(function() {
return this.first() + " " + this.last();
}, this);
};
So, your computed observable can be bound to the appropriate value of this, even if called from a different scope.
With an object literal, ...
Can you list the keyword arguments a function receives?
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How do you redirect to a page using the POST verb?
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While this answer is basically correct, it is not complete. See Jason Bunting answer below for a much better workaround.
– Adrian Grigore
Jan 10 '11 at 13:07
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