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The default for KeyValuePair
I have an object of the type IEnumerable<KeyValuePair<T,U>> keyValueList , I am using
7 Answers
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Why is the shovel operator (
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Proof:
a = 'foo'
a.object_id #=> 2154889340
a << 'bar'
a.object_id #=> 2154889340
a += 'quux'
a.object_id #=> 2154742560
So << alters the original string rather than creating a new one. The reason for this is that in ruby a += b is syntactic shorthand ...
How to vertical align an inline-block in a line of text?
...olor: white;
display: inline-block;
vertical-align: middle;
}
<p>Some text <code>A<br />B<br />C<br />D</code> continues afterward.</p>
Tested and works in Safari 5 and IE6+.
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Remove border radius from Select tag in bootstrap 3
...l modern browsers. The key is using appearance:none which removes the default formatting. Since all of the formatting is gone, you have to add back in the arrow that visually differentiates the select from the input. Note: appearance is not supported in IE.
Working example: https://jsfiddle.net/gs2...
Can I have multiple background images using CSS?
...r below, then the best way you can work around it is to have extra divs:
<body>
<div id="bgTopDiv">
content here
</div>
</body>
body{
background-image: url(images/bg.png);
}
#bgTopDiv{
background-image: url(images/bgTop.png);
background-repeat: ...
When to use margin vs padding in CSS [closed]
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TL;DR: By default I use margin everywhere, except when I have a border or background and want to increase the space inside that visible box.
To me, the biggest difference between padding and margin is that vertical margins auto-collapse, a...
JPA : How to convert a native query result set to POJO class collection
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JPA provides an SqlResultSetMapping that allows you to map whatever returns from your native query into an Entity or a custom class.
EDIT JPA 1.0 does not allow mapping to non-entity classes. Only in JPA 2.1 a ConstructorResult has been added to m...
SonarQube Exclude a directory
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I'm able to exclude multiple directories using the below config (comma separated folder paths):
sonar.exclusions=system/**, test/**, application/third_party/**, application/logs/**
And while running the sonar runner I got the following in the log...
Positioning a div near bottom side of another div
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Tested and working on Firefox 3, Chrome 1, and IE 6, 7 and 8:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html><body>
<div style='background-color: yellow; width: 70%;
height: 100px; po...
Callback functions in C++
...h different callbacks.
Many functions of the standard algorithms library <algorithm> use callbacks. For example the for_each algorithm applies an unary callback to every item in a range of iterators:
template<class InputIt, class UnaryFunction>
UnaryFunction for_each(InputIt first, Inp...