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C++, variable declaration in 'if' expression
...clumsy and I think that declaring the variable before the if block is much more readable. If you really need to restrict the scope of that variable you can put an extra block around the if block. I have never used this syntax.
– Giorgio
Oct 20 '11 at 15:53
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How to Implement Custom Table View Section Headers and Footers with Storyboard
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How does std::move() transfer values into RValues?
...ne works with lvalues.
To explain why do we need remove_reference a bit more, let's try this function
template <typename T>
T&& wanna_be_move(T&& arg)
{
return static_cast<T&&>(arg);
}
and instantiate it with lvalue.
// wanna_be_move [with T = Object&...
Pythonic way to find maximum value and its index in a list?
...k the accepted answer is great, but why don't you do it explicitly? I feel more people would understand your code, and that is in agreement with PEP 8:
max_value = max(my_list)
max_index = my_list.index(max_value)
This method is also about three times faster than the accepted answer:
import rand...
How to Decrease Image Brightness in CSS
... all I've got is about how to change the opacity, but that makes the image more bright.
can anyone help me ?
11 Answers
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Get environment variable value in Dockerfile
...fined in the Dockerfile, the build outputs a warning:
[Warning] One or more build-args [foo] were not consumed.
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AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...te look into the JSONP, but beware, mayhem lurks. There really isn't much more we can do to help you.
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What is the boundary in multipart/form-data?
...ng like '&' is enough to separate the variables but you need something more unique to separate the payloads within the payload.
– user2483724
Mar 18 '14 at 18:30
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Refresh image with a new one at the same url
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