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What does 'stale file handle' in Linux mean?
Say I have a terminal open, and through that terminal I have cd 'ed to some directory. Through another terminal, I delete that directory and restore it back from an identical backup. When I try to vim a file from the first terminal, in the same directory, why do I get an error about a stale file ...
PEP 8, why no spaces around '=' in keyword argument or a default parameter value?
Why does PEP 8 recommend not having spaces around = in a keyword argument or a default parameter value ?
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Python constructors and __init__
Why are constructors indeed called "Constructors"? What is their purpose and how are they different from methods in a class?
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How to copy Java Collections list
I have an ArrayList and I want to copy it exactly. I use utility classes when possible on the assumption that someone spent some time making it correct. So naturally, I end up with the Collections class which contains a copy method.
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How to iterate through SparseArray?
Is there a way to iterate over Java SparseArray (for Android) ? I used sparsearray to easily get values by index. I could not find one.
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String concatenation does not work in SQLite
I am trying to execute a SQlite replace function, but use another field in the function.
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Is there something like Annotation Inheritance in java?
I'm exploring annotations and came to a point where some annotations seems to have a hierarchy among them.
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How do you list the active minor modes in emacs?
How do you list the active minor modes in emacs?
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Using current time in UTC as default value in PostgreSQL
I have a column of the TIMESTAMP WITHOUT TIME ZONE type and would like to have that default to the current time in UTC. Getting the current time in UTC is easy:
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emacs create new file with ido enabled
I reciently switched to emacs starter kit which includes the ido package.
4 Answers
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