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What's the difference between Ruby's dup and clone methods?
...s, while dup does not.
o = Object.new
def o.foo
42
end
o.dup.foo # raises NoMethodError
o.clone.foo # returns 42
Second, clone preserves the frozen state, while dup does not.
class Foo
attr_accessor :bar
end
o = Foo.new
o.freeze
o.dup.bar = 10 # succeeds
o.clone.bar = 10 # raises Runti...
How to check if a variable is a dictionary in Python?
How would you check if a variable is a dictionary in python?
4 Answers
4
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Using GPU from a docker container?
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Regan's answer is great, but it's a bit out of date, since the correct way to do this is avoid the lxc execution context as Docker has dropped LXC as the default execution context as of docker 0.9.
Instead it's better to tell docker about...
Git: How to rebase to a specific commit?
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edited Jan 19 at 6:17
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Using port number in Windows host file
...ing TeamViewer, I have changed the wampserver port to 8080, so the address is http://localhost:8080.
10 Answers
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Use numpy array in shared memory for multiprocessing
... in shared memory for use with the multiprocessing module. The difficulty is using it like a numpy array, and not just as a ctypes array.
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Does a finally block run even if you throw a new Exception?
In this code will someVar be set even if the catch block is executed and the second Exception is thrown?
6 Answers
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java.io.Console support in Eclipse IDE
...ugger and taking advantage of the class files built in your project.
In this example, the Eclipse project structure looks like this:
workspace\project\
\.classpath
\.project
\debug.bat
\bin\Main.class
\src\Main.ja...
What do 'lazy' and 'greedy' mean in the context of regular expressions?
...ity it will be very greedy, and go from the first < to the last >. This means it will match <em>Hello World</em> instead of what you wanted.
Making it lazy (<.+?>) will prevent this. By adding the ? after the +, we tell it to repeat as few times as possible, so the first >...
What and When to use Tuple? [duplicate]
May someone please explain what a Tuple is and how to use it in a Real World Scenario. I would like to find out how this can enrich my coding experience?
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