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Do I need to explicitly call the base virtual destructor?
...the destructor again as virtual on the inheriting class, but do I need to call the base destructor?
7 Answers
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Determine Whether Two Date Ranges Overlap
...StartDate2) notation easier to understand, Range1 is always on left in the tests.
– A.L
Dec 2 '13 at 14:46
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Rails.env vs RAILS_ENV
...nquirer:
Wrapping a string in this class gives
you a prettier way to test for
equality. The value returned by
Rails.env is wrapped in a
StringInquirer object so instead of
calling this:
Rails.env == "production"
you can call this:
Rails.env.production?
So they aren't exact...
Is there a typical state machine implementation pattern?
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Really nice touch how NUM_STATES is defined.
– Albin Stigo
Dec 19 '15 at 19:38
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Xcode doesn't show the line that causes a crash
Every time my app crashes Xcode highlights the UIApicationMain() call in the main() function as the line that caused the crash. In some cases that used to be normal (segmentation fault for example) but the crash I am trying to deal with is a simple SIGABRT with detailed information logged in the con...
What does `m_` variable prefix mean?
...'re using something like intelliSense, you can start with m_ and a list of all your member variables are shown. Part of Hungarian notation, see the part about scope in the examples here.
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window.location.reload with clear cache [duplicate]
...avaScript but I want to clear cache too, so on page refresh the page has latest versions of everything from server.
Other browsers except IE are not getting latest content.
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...ms like it would work fine for storing timestamps and I've done some local testing on MySQL 5.5 which confirms it works. Obviously using signed would be better than unsigned as you can represent dates in the past as well. Any reason not to use BIGINT for timestamps?
– zuallauz
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How do I capture SIGINT in Python?
...f KeyboardInterruptException is implemented as a SIGINT handler or if it really only catches Ctrl+C presses, but either way, using a signal handler makes your intent explicit (at least, if your intent is the same as OP's). More importantly though, with a signal you don't have to wrap try-catches ar...
Is it possible to forward-declare a function in Python?
...rwards is impossible, what about defining it in some other module?
Technically you still define it first, but it's clean.
You could create a recursion like the following:
def foo():
bar()
def bar():
foo()
Python's functions are anonymous just like values are anonymous, yet they can be ...