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How to redirect output of an entire shell script within the script itself?
...ll specification are Compound Commands and I/O Redirection. Bash has some extra notations, but is otherwise similar to the POSIX shell specification.
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Object of custom type as dictionary key
...have __hash__ by default that calls id(self), as you noted.
There is some extra tips from the documentation.:
Classes which inherit a __hash__()
method from a parent class but change
the meaning of __cmp__() or __eq__()
such that the hash value returned is
no longer appropriate (e.g. by...
Aren't promises just callbacks?
...step, and return new promises themselves, they can just be chained without extra wrapping. That is, they compose.
– Dtipson
Dec 22 '15 at 19:11
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Why does C++ compilation take so long?
... in extremely complex types, with ridiculously long names, adding a lot of extra work to the linker.
(It has to compare a lot of symbol names, and if these names can grow into many thousand characters, that can become fairly expensive).
And of course, they exacerbate the problems with header files,...
SQL left join vs multiple tables on FROM line?
...ON Company.ID = Department.CompanyID AND Department.Name LIKE '%X%'
This extra clause is used for the joining, but is not a filter for the entire row. So the row might appear with company information, but might have NULLs in all the department and employee columns for that row, because there is no...
How can I check if a program exists from a Bash script?
...e "&>" to simplify it, like Josh's answer. 2: break the { } into an extra line, putting a tab before the echo, for readability
– knocte
May 21 '16 at 13:06
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How do I override __getattr__ in Python without breaking the default behavior?
...nd potentially miss the upstream changes should the wording be modified or extra context added to the exception object in future.
– wim
Nov 26 '18 at 19:56
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Bootstrap 3 modal vertical position center
...io/anon/pen/Hiskj
..selecting this as the correct answer since there's no extra heavy javascript that brings the browser to its knees in case of more than one modals.
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Warning: The Copy Bundle Resources build phase contains this target's Info.plist file
...n83, you will get the build warning, and the built product will contain an extra copy of Info.plist taking up a little space.
– JWWalker
Jan 16 '15 at 1:01
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Nullable type issue with ?: Conditional Operator
...mon ancestor type, it just tries to find a conversion between each other. (Extra bit: C# recognizes a <null> type, i.e. the type of every null expression.)
– IllidanS4 wants Monica back
Nov 4 '14 at 0:50
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