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Why does direction of index matter in MongoDB?
... property 'a', it is faster to search with index with property 'a' for database engine, than searching by index with 3 properties 'a', 'b', 'c'. Because index size will increase and count also increases. ex. If there are 20 chapters in book. So it is faster to go to chapter 3 and then specific page....
Bootstrap 3 Navbar with Logo
... width is not set.
If we take that logic and reverse it to be responsive based on the height we can have a responsive image that scales to the .navbar-brand height and by adding and auto set width it will adjust to proportion.
max-height: 100%;
width: auto;
Usually we would have to add display:...
Junit: splitting integration test and Unit tests
...his even works when you use @RunWith() annotations to run suites or Spring-based tests.
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Traits in PHP – any real world examples/best practices? [closed]
...tly.
For example, you have a list of products that you want to filter out based on some criteria (brands, specs, whatever), or sorted by different means (price, label, whatever). You can create a sorting trait that contains different functions for different sorting types (numeric, string, date, etc...
Valid to use (anchor tag) without href attribute?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What methods of ‘clearfix’ can I use?
...onsive and thus may not provide the desired effect if layout styles change based upon media queries. A solution in pure CSS is more ideal.
It adds html markup without necessarily adding any semantic value.
It requires a inline definition and solution for each instance rather than a class reference t...
What are Scala context and view bounds?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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RESTful API methods; HEAD & OPTIONS
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How do you change Background for a Button MouseOver in WPF?
...ement is caused by a Trigger in the default style for the Button, which is based on the IsMouseOver property and sets the Background and BorderBrush properties of the top-level Border element in the control template. The Button element's background is underneath the Border element's background, so c...
What is the motivation for bringing Symbols to ES6?
...ert the Symbol() to any other data type.
It's possible to "make" a symbol based on primitive data type by calling Symbol(data).
In terms of checking the type, nothing changes.
function isSymbol ( variable ) {
return typeof someSymbol === "symbol";
}
var a_Symbol = Symbol("hey!");
var tot...