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What's an Aggregate Root?
...heels()){
w.spin();
}
}
If you think that option A is better then congratulations. You get main reason behind aggregate root.
Aggregate root encapsulates multiple classes. you can manipulate whole hierarchy only through main object.
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Is there are way to make a child DIV's width wider than the parent DIV using CSS?
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We set the width of the child element to fill the entire viewport width, then we make it meet the edge of the screen by moving it to the left by a distance of half the viewport, minus 50% of the parent element's width.
Demo:
* {
box-sizing: border-box;
}
body {
margin: 0;
overflow-x: hi...
Converting JavaScript object with numeric keys into array
...almost as easy without jQuery as well, converting the keys to an array and then mapping back the values with Array.map
var arr = Object.keys(obj).map(function(k) { return obj[k] });
FIDDLE
That's assuming it's already parsed as a javascript object, and isn't actually JSON, which is a string form...
Expansion of variables inside single quotes in a command in Bash
...exception.
That means you have to close the quotes, insert something, and then re-enter again.
'before'"$variable"'after'
'before'"'"'after'
'before'\''after'
Word concatenation is simply done by juxtaposition. As you can verify, each of the above lines is a single word to the shell. Quotes (sin...
Persistent invalid graphics state error when using ggplot2
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I ran into this same error and solved it by running:
dev.off()
and then running the plot again. I think the graphics device was messed up earlier somehow by exporting some graphics and it didn't get reset. This worked for me and it's simpler than reinstalling ggplot2.
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How to get the current loop index when using Iterator?
...long as you avoid moving back and forth with what is effectively a cursor, then you should be safe.
– user2910265
Jan 10 at 0:35
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jQuery .val change doesn't change input value
.... Try interacting with the input (the value is dirty after user input) and then setAttribute
– Esailija
Aug 8 '12 at 21:58
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Or versus OrElse
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By the definition of the boolean 'or' operator, if the first term is True then the whole is definitely true - so we don't need to evaluate the second term.
OrElse knows this, so doesn't try and evaluate temp = 0 once it's established that temp Is DBNull.Value
Or doesn't know this, and will always...
How to resume Fragment from BackStack if exists
... the back state name the Fragment's class name (via getClass().getName()). Then when replacing a Fragment, use the popBackStackImmediate() method. If it returns true, it means there is an instance of the Fragment in the back stack. If not, actually execute the Fragment replacement logic.
private vo...
Why does C++ require a user-provided default constructor to default-construct a const object?
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The reason is that if the class doesn't have a user-defined constructor, then it can be POD, and the POD class is not initialized by default. So if you declare a const object of POD which is uninitialized, what use of it? So I think the Standard enforces this rule so that the object can actually b...