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How to use Comparator in Java to sort
...ber) to:
lhs-rhs
That's in case you want to sort in ascending order : from smallest number to largest number.
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Is XML case-sensitive?
...u cannot use advanced XML technologies like JAXB based on XSD 1.1 built-in from the JDK this way.
– René
Dec 29 '15 at 17:19
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How to use a variable for the key part of a map
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@mmigdol this quote is from old groovy documentation in the newest documentation its like this: Map keys are strings by default: [a:1] is equivalent to ['a':1]. This can be confusing if you define a variable named a and that you want the value of ...
vertical & horizontal lines in matplotlib
... the axis.
Instead, use plt.plot((x1, x2), (y1, y2), 'k-') to draw a line from the point (x1, y1) to the point (x2, y2) in color k. See pyplot.plot.
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Why catch and rethrow an exception in C#?
...bout right... consider the case of null pointer exception thrown somewhere from a large body of code. The message is vanilla, without the stack trace you're left with "something was null somewhere". NOT good when production is dead; and you've NO minutes or less to work out the flamin' problem is, a...
Java Class.cast() vs. cast operator
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Not all information is held at runtime. As you can see from my example (Bar) foo does generate an error at compile time, but Bar.class.cast(foo) does not. In my opinion if it is used in this manner it should.
– Alexander Pogrebnyak
Oct 12 '0...
In C# what is the difference between ToUpper() and ToUpperInvariant()?
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ToUpperInvariant uses the rules from the invariant culture
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Append an element with fade in effect [jQuery]
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since the fadeIn is a transition from hide to show, you'll have to hide the "html" element when you append it and then to show it.
var html = "<div id='blah'>Hello stuff here</div>"
$("#mycontent").append(function(){
return html.hide()...
What's the difference between := and = in Makefile?
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From http://www.gnu.org/software/make/manual/make.html#Flavors:
= defines a recursively-expanded variable. := defines a simply-expanded variable.
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Mixing a PHP variable with a string literal
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You can use {} arround your variable, to separate it from what's after:
echo "{$test}y"
As reference, you can take a look to the Variable parsing - Complex (curly) syntax section of the PHP manual.
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