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  1. What is the difference between :before and ::before?

    May 23, 2018 · The ::before notation (with two colons) was introduced in CSS3 in order to establish a discrimination between pseudo-classes and pseudo-elements. Browsers also accept the notation …

  2. java - What is the difference between @Before @After and ...

    Before Advice: These advices runs before the execution of join point methods. We can use @Before annotation to mark an advice type as Before advice. After (finally) Advice: An advice that gets …

  3. JUnit: @Before only for some test methods? - Stack Overflow

    Oct 10, 2009 · 1 Not sure about @Before, but I recently came up with a strategy for @After block to run selectively. The implementation was straight forward. I have some flags set to default values as part …

  4. What is the difference between `before()` and `beforeEach()`?

    However, all before hooks that apply are executed before any beforeEach hook. This explains the order above: sublevel before executes before top beforeEach because it is a before hook. And with after …

  5. html - what does ::before really do? - Stack Overflow

    May 18, 2014 · So I read the docs and probably understand the purpose of ::before and ::after. If my understanding is correct, they should always work in combination with other elements. But the web …

  6. Why use * selector in combination with *::before and *::after

    Jul 9, 2015 · 4 ::after and ::before are pseudo elements and they insert the style after or before the element correspondingly. For your question with *::after and *::before is used to manage appearing …

  7. java - Difference between @Before, @BeforeClass, @BeforeEach and ...

    Nov 30, 2013 · The code marked @Before is executed before each test, while @BeforeClass runs once before the entire test fixture. If your test class has ten tests, @Before code will be executed ten …

  8. How can I write a ':hover' condition for 'a:before' and 'a:after'?

    Nov 28, 2021 · Hence, a:hover::before and a:visited::before. But if you're developing for legacy browsers such as IE8 and older, then you can get away with using single colons just fine. This specific order of …

  9. How to position :before & :after pseudo-elements on top of each other?

    Oct 17, 2013 · What is the stacking order of the pseudo-elements? Does :before appear below or above :after- which is better suited to be the border, and which the fill? And what is the best positioning to …

  10. Can I use a :before or :after pseudo-element on an input field?

    Apr 7, 2010 · 55 :before and :after are applied inside a container, which means you can use it for elements with an end tag. It doesn't apply for self-closing elements. On a side note, elements which …