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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
...e engine it's what rails is testing against.
2.Add the host option to the foo_url method like this:
listing_url(listing, host: request.host) # => 'http://localhost:3000/listings/1'
3.Not output the host with the option :only_path to true.
listing_url(listing, only_path: true ) # => '/list...
Printing all global variables/local variables?
...ames will be difference. Consider you have a static variable y in function foo and another y in bar. To distinguish them, a different name must be assigned to the two y's.
– kennytm
Jun 7 '11 at 7:41
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How to use if - else structure in a batch file?
...
@bvj No, no, you got it all wrong. It should be do foo and do bar.
– yyny
Apr 3 '16 at 19:41
W...
Real world example about how to use property feature in python?
...
"""I'm the 'x' property."""
if self._x is None:
self._x = Foo()
return self._x
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How to copy yanked text to VI command prompt
...r directly onto the command line. E.g.:
:%s/<ctl-r><ctl-w>/foo/g
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What's the difference between dynamic (C# 4) and var?
...
One big difference - you can have a dynamic return type.
dynamic Foo(int x)
{
dynamic result;
if (x < 5)
result = x;
else
result = x.ToString();
return result;
}
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Officially, what is typename for?
... nested dependent type name for a template.
template<class T>
void foo(const T & param)
{
typename T::NestedType * value; // we should use typename here
}
Which not using typename leads to parsing/compilation errors.
What I want to add to the second case, as mentioned in Scot Meye...
Hidden Features of C++? [closed]
...
You can put URIs into C++ source without error. For example:
void foo() {
http://stackoverflow.com/
int bar = 4;
...
}
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answered Sep 17 '08 at 1:09...
How can I disable logging while running unit tests in Python Django?
... 'formatter': 'verbose'
},
},
'loggers': {
'foo': {
'handlers': ['console'],
'level': 'DEBUG',
'propagate': True,
},
}
}
End result: when I'm testing, nothing goes to the console, but everything else stays the same.
Wh...
Any way to limit border length?
...50%;
width: 1px;
}
<div id="menu">
<ul>
<li>Foo</li>
<li>Bar</li>
<li>Baz</li>
</ul>
</div>
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