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Can I set variables to undefined or pass undefined as an argument?
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10 Answers
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What is the easiest way to disable/enable buttons and links (jQuery + Bootstrap)
...[disabled] {
cursor: default;
background-image: none;
opacity: 0.65;
filter: alpha(opacity=65);
-webkit-box-shadow: none;
-moz-box-shadow: none;
box-shadow: none;
color: #333;
background-color: #E6E6E6;
}
Note how the [disabled] property is targeted as well as a...
Difference between binary semaphore and mutex
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708
They are NOT the same thing. They are used for different purposes!
While both types of semapho...
unsigned int vs. size_t
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edited Feb 24 '15 at 16:40
Craig M. Brandenburg
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What does the question mark in Java generics' type parameter mean?
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230
? extends HasWord
means "A class/interface that extends HasWord." In other words, HasWord its...
Is gettimeofday() guaranteed to be of microsecond resolution?
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10 Answers
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What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?
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Updated 2020...
Bootstrap 5
In Bootstrap 5 (alpha) there is a new -xxl- size:
col-* - 0 (xs)
col-sm-* - 576px
col-md-* - 768px
col-lg-* - 992px
col-xl-* - 1200px
col-xxl-* - 1400px
Bootstrap 5 Grid Demo
Bootstrap 4
In Bootstrap 4 the...
What is null in Java?
...nce of anything?
No, there is no type which null is an instanceof.
15.20.2 Type Comparison Operator instanceof
RelationalExpression:
RelationalExpression instanceof ReferenceType
At run time, the result of the instanceof operator is true if the value of the RelationalExpression is no...
Is nested function a good approach when required by only one function? [closed]
...do_it
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>>> a = sum(1, 3)
>>> a
<function do_it at 0xb772b304>
>>> a()
4
Is this what you were looking for? It's called a closure.
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Calling virtual functions inside constructors
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edited Jun 20 at 9:12
Community♦
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answered Jun 7 '09 at 15:52
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