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Clone() vs Copy constructor- which is recommended in java [duplicate]
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Clone is broken, so dont use it.
THE CLONE METHOD of the Object class
is a somewhat magical method that does
what no pure Java method could ever
do: It produces an identical copy of
its object. It has been present in the
primordial Object superclass since the
Beta...
Multiple submit buttons in an HTML form
Let's say you create a wizard in an HTML form. One button goes back, and one goes forward. Since the back button appears first in the markup when you press Enter , it will use that button to submit the form.
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Is there a “null coalescing” operator in JavaScript?
...oalescing operator (??). It returns its right-hand-side operand when its left-hand-side operand is null or undefined, and otherwise returns its left-hand-side operand.
Please check compatibility before using it.
The JavaScript equivalent of the C# null coalescing operator (??) is using a logica...
Clone Object without reference javascript [duplicate]
...h data. And i want to clone this in other variable. When i set some param of the instance B has the same result in the original object:
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What does Ruby have that Python doesn't, and vice versa?
There is a lot of discussions of Python vs Ruby, and I all find them completely unhelpful, because they all turn around why feature X sucks in language Y, or that claim language Y doesn't have X, although in fact it does. I also know exactly why I prefer Python, but that's also subjective, and would...
Suppress properties with null value on ASP.NET Web API
...ile application. I need the response json to omit null properties instead of return them as property: null .
5 Answers
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Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
Both can be used to find the shortest path from single source. BFS runs in O(E+V) , while Dijkstra's runs in O((V+E)*log(V)) .
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Force add despite the .gitignore file
Is there a way to force git to add a file despite the .gitignore file?
3 Answers
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live output from subprocess command
I'm using a python script as a driver for a hydrodynamics code. When it comes time to run the simulation, I use subprocess.Popen to run the code, collect the output from stdout and stderr into a subprocess.PIPE --- then I can print (and save to a log-file) the output information, and check for ...
Find the files existing in one directory but not in the other [closed]
I'm trying to find the files existing in one directory but not in the other, I tried to use this command:
14 Answers
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