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CSS: Setting width/height as Percentage minus pixels
...if you use Less you'd better compile a file with lessc --strict-math=on in order less not to evaluate the expression inside the calc -- just a problem I faced and spent a lot of time (as of Less 2.0.0)
– Dmitry Wojciechowski
Nov 29 '14 at 4:46
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How to empty/destroy a session in rails?
...
To clear the whole thing use the reset_session method in a controller.
reset_session
Here's the documentation on this method: http://api.rubyonrails.org/classes/ActionController/Base.html#M000668
Resets the session by clearing out all
the objects stored ...
What is the difference between 'typedef' and 'using' in C++11?
...;
template <typename U> struct bar { typename rebind<U>::type _var_member; }
But using syntax simplifies this use case.
template <typename T> using my_type = whatever<T>;
my_type<int> variable;
template <typename U> struct baz { my_type<U> _var_member; ...
How can I add timestamp to logs using Node.js library Winston?
...ou include Winston, it usually defaults to adding a Console transport. In order to get timestamps to work in this default case, I needed to either:
Remove the console transport and add again with the timestamp option.
Create your own Logger object with the timestamp option set to true.
The firs...
Load a WPF BitmapImage from a System.Drawing.Bitmap
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Using ImageFormat.Bmp is an order of magnitude faster.
– RandomEngy
Mar 7 '10 at 20:35
20
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Reload content in modal (twitter bootstrap)
...ach. I think it can even be improved using '.modal' instead of '#modal' in order to avoid hardcoding the id. In my opinion it's a cleaner approach than markz's, because you keep using the data-toggle as in original bootstrap modal.
– Toni Grimalt
Jul 30 '13 at...
How to configure port for a Spring Boot application
...ySource implementations and/or processors wired into Environment object in order), you can set any property outside of your jar archive through following methods:
Pass property through command line argument as application argument
java -jar <path/to/my/jar> --server.port=7788
From property...
C++ template constructor
...st to go.
Even with your workaround you still have to pass an argument in order to call that constructor template. It's not at all clear what you are trying to achieve.
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R command for setting working directory to source file location in Rstudio
...dir <- dirname(sys.frame(1)$ofile)
Note: script must be sourced in order to return correct path
I found it in: https://support.rstudio.com/hc/communities/public/questions/200895567-can-user-obtain-the-path-of-current-Project-s-directory-
The BumbleBee´s answer (with parent.frame instead ...
Pull to refresh UITableView without UITableViewController
...reshControl()
refreshControl.addTarget(self, action: #selector(refresh(_:)), for: .valueChanged)
if #available(iOS 10.0, *) {
tableView.refreshControl = refreshControl
} else {
tableView.backgroundView = refreshControl
}
}
@objc func refresh(_ refreshControl: UIRefr...