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In Matlab, when is it optimal to use bsxfun?
...e bsxfun because it avoids me to think about the column or row issues.
In order to write your example:
A = A - (ones(size(A, 1), 1) * mean(A));
I have to solve several problems:
1) size(A,1) or size(A,2)
2) ones(sizes(A,1),1) or ones(1,sizes(A,1))
3) ones(size(A, 1), 1) * mean(A) or mean(A)*o...
How does Facebook Sharer select Images and other metadata when sharing my URL?
...elect an image?
Yes, you just need to add multiple image meta tags in the order you want them to appear in. The user will then be presented with an image selector dialog:
I specified the appropriate image meta tags. Why isn't Facebook accepting the changes?
Once a url has been shared, Facebook's...
Automapper - how to map to constructor parameters instead of property setters
...
Tried something similar Mapper.CreateMap<Order, OrderViewModel>().ConstructUsing(x => new OrderViewModel(this)); ... Get a "The call is ambiguos" compiler error
– Chris Klepeis
Mar 29 '12 at 17:49
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Test if a vector contains a given element
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Maybe I come a little late. which(v, 'b'). Mind the order of the arguments.
– Niklas Mertsch
Dec 19 '18 at 19:40
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Why do we need a pure virtual destructor in C++?
...ly method that even if it is pure virtual has to have an implementation in order to instantiate derived classes (yes pure virtual functions can have implementations).
struct foo {
virtual void bar() = 0;
};
void foo::bar() { /* default implementation */ }
class foof : public foo {
void ba...
Is there a naming convention for MySQL?
... @rsb2097 Re: point 5 - After adding one column (to the end) the order could become invalid. You shouldn't add any constraint that requires re-ordering the columns as that's an unnecessary overhead.
– Will Sheppard
Aug 21 '18 at 10:26
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git remove merge commit from history
...did a soft reset and I've been able to have something quite like I wanted (order do not match initial expectations).
– Benjamin Toueg
Jul 10 '13 at 18:35
2
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How to know if user is logged in with passport.js?
... } else {
res.redirect('/login');
}
}
And use it:
app.get('/orders', loggedIn, function(req, res, next) {
// req.user - will exist
// load user orders and render them
});
share
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Traits in PHP – any real world examples/best practices? [closed]
...ng use case: use an interface which defines the contract, use the trait in order to satisfy that contract. Good one.
– Max
Oct 25 '11 at 18:41
13
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Shell script to delete directories older than n days
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@OrGal you are absolutely correct. In order to prevent this, just use: find /path/to/base/dir/*.
– zloynemec
Jul 5 '15 at 8:28
11
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