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What is Ruby's double-colon `::`?
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:: is basically a namespace resolution operator. It allows you to access items in modules, or class-level items in classes. For example, say you had this setup:
module SomeModule
module InnerModule
class MyClass
CONSTANT = 4
end
end
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What happens when there's insufficient memory to throw an OutOfMemoryError?
I am aware that every object requires heap memory and every primitive/reference on the stack requires stack memory.
11 Answ...
socket.shutdown vs socket.close
...iscard the
socket by applying a close subroutine
to the socket descriptor. If a
reliable delivery socket has data
associated with it when a close takes
place, the system continues to attempt
data transfer. However, if the data is
still undelivered, the system discards
the data. Shoul...
Hidden features of Android development?
...eatures post yet in the Hidden Features series that I've been tracking for a while now.
6 Answers
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Where does npm install packages?
...raries are installed and where they're located. Use npm list -g | head -1 for truncated output showing just the path. If you want to display only main packages not its sub-packages which installs along with it - you can use - npm list --depth=0 which will show all packages and for getting only globa...
How do I obtain a Query Execution Plan in SQL Server?
In Microsoft SQL Server how can I get a query execution plan for a query / stored procedure?
12 Answers
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Does python have a sorted list?
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The standard Python list is not sorted in any form. The standard heapq module can be used to append in O(log n) to an existing list and remove the smallest one in O(log n), but isn't a sorted list in your definition.
There are various implementations of bal...
Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...eate a "Implicitly Unwrapped Optional" vs creating just a regular variable or constant?
If you know that it can be successfully unwrapped then why create an optional in the first place?
For example, why is this:
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Use PHP composer to clone git repo
I'm trying to use composer to automatically clone a git repository from github that isn't in packagist but it's not working and I can't figure out what am I doing wrong.
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Proper way to declare custom exceptions in modern Python?
...oal is to follow whatever standard other exception classes have, so that (for instance) any extra string I include in the exception is printed out by whatever tool caught the exception.
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