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CSS Selector that applies to elements with two classes

...out a space in between): .foo.bar { /* Styles for element(s) with foo AND bar classes */ } If you still have to deal with ancient browsers like IE6, be aware that it doesn't read chained class selectors correctly: it'll only read the last class selector (.bar in this case) instead, regardle...
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How to send a correct authorization header for basic authentication

... You can include the user and password as part of the URL: http://user:passwd@www.server.com/index.html see this URL, for more HTTP Basic Authentication credentials passed in URL and encryption of course, you'll need the username password, it's n...
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Input and output numpy arrays to h5py

...d A . How do I save it to an h5py file? Also, how do I read the same file and put it as a numpy array in a different code, as I need to do manipulations with the array? ...
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Setting focus on an HTML input box on page load

... @PeterMortensen when I tested this 9 years ago was on firefox, chrome and ie :) – Saikios Jul 1 '19 at 16:34 add a comment  |  ...
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Can I get the name of the current controller in the view?

... Guides, it says: The params hash will always contain the :controller and :action keys, but you should use the methods controller_name and action_name instead to access these values ActionController Parameters So let's say you have a CSS class active , that should be inserted in any link who...
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How to get awaitable Thread.Sleep?

...ds. You should instead use Task.Delay which doesn't require a new thread, and was designed precisely for this purpose: // Execution of the async method will continue one second later, but without // blocking. await Task.Delay(1000); ...
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Java: Difference between the setPreferredSize() and setSize() methods in components

What is the main difference between setSize() and setPreferredSize() . Sometimes I used setSize() , sometimes setPreferredSize() , sometimes one does what I want, sometimes the other. ...
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What does a double * (splat) operator do

... Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs. For this code: def foo(a, *b, **c) [a, b, c] end Here's a demo: > foo 10 => [10, [], {}] > foo 10, 20, 30 => [10, [20...
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Difference between $state.transitionTo() and $state.go() in Angular ui-router

In AngularJS, I see sometimes we use $state.transitionTo() and sometimes we use $state.go() . Can anyone tell me how they differ and when one should be used over the other? ...
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Order of member constructor and destructor calls

Oh C++ gurus, I seek thy wisdom. Speak standardese to me and tell my if C++ guarantees that the following program: 4 Answer...