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Can constructors throw exceptions in Java?
...r ought to be careful to avoid acquiring unmanaged resources (file handles etc) and then throwing an exception without releasing them. For example, if the constructor tries to open a FileInputStream and a FileOutputStream, and the first succeeds but the second fails, you should try to close the firs...
How to run a single test with Mocha?
...er is better since it will also work when mocha is used from inside karma, etc.
– Vivek Kodira
Aug 9 '16 at 8:53
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Any reason why scala does not explicitly support dependent types?
...ble records, comprehensive HLists, scrap your boilerplate, generic Zippers etc. etc.
The only remaining objection I can see is that in the above encoding of Pi types we require the singleton types of the depended-on values to be expressible. Unfortunately in Scala this is only possible for values o...
How to scp in Python?
...doesn't work outside linux-like systems, has issues with password prompts, etc.
– Foon
Feb 7 '17 at 16:23
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How to merge a transparent png image with another image using PIL
...f the type RGBA. So you need to call convert('RGBA') if they are paletted, etc.. If the background does not have an alpha channel, then you can use the regular paste method (which should be faster).
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Convert Iterator to ArrayList
...n use ArrayList 's operations on it such as get(index) , add(element) , etc.
12 Answers
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Bootstrap Modal immediately disappearing
...ppen. However, the button was in a <form> that was temporarily just fetching the same page.
I fixed this by adding type="button" to the button element, so that it wouldn't submit the form when clicked.
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Sorting a list using Lambda/Linq to objects
... @JerryGoyal swap the params... emp2.FirstName.CompareTo(emp1.FirstName) etc.
– Chris Hynes
Nov 29 '16 at 23:17
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Check if the number is integer
...E) }
}
You can change it to use *apply in the case of vectors, matrices, etc.
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How do I instantiate a Queue object in java?
... ... your code to accept a submission offer goes here ...
}
... etc ...
}
An even less used alternative is to construct an anonymous class that implements Queue. You probably don't want to do this, but it's listed as an option for the sake of covering all the bases.
new Queue<Tree&...