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How do you list the active minor modes in emacs?
...inor-mode-list. Finding out whether they're active or not is usually done by checking the variable of the same name. So you can do something like this:
(defun which-active-modes ()
"Give a message of which minor modes are enabled in the current buffer."
(interactive)
(let ((active-modes))
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throwing an exception in objective-c/cocoa
...Xcode, but the [NSException raise...] syntax doesn't seem to be recognized by the parser as an exit path from a method which returns a value. I am seeing the warning "Control may reach end of non-void function" when using this syntax, but with the @throw([NSException exceptionWith…]) syntax, th...
How can I use a carriage return in a HTML tooltip?
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@Sam I don't understand what you mean by that. \x0A (byte) is the character-code that corresponds with a newline. Same for \u000A (unicode). \n is also newline.
– Halcyon
Jan 7 '15 at 14:02
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How to get number of entries in a Lua table?
...r's definition is a bit more complicated than that. Let me illustrate that by taking this table:
t = {1,2,3}
t[5] = 1
t[9] = 1
According to the manual, any of 3, 5 and 9 are valid results for #t. The only sane way to use it is with arrays of one contiguous part without nil values.
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How to handle back button in activity
...ent activity only. You need to handle going back to your previous activity by using intent. Btw, your previous activity should still be open if you did not "finish()" it when navigating from it previously.
– S bruce
Nov 4 '16 at 11:57
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How to compile tests with SBT without running them
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I found out I can compile only the tests for a specific project named xyz by doing:
sbt xyz/test:compile
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What's the difference between belongs_to and has_one?
...ite the above association then we can get all books of a particular author by,
@books = @author.books
But for a particular book we can't get the corresponding author by,
@author = @book.author
to make the above code work work we need to add association to Book model also, like this
class Boo...
Creating my own Iterators
... @gbjbaanb: The good thing about my code is that it can be used by STL algorithms.
– Konrad Rudolph
Sep 29 '08 at 13:21
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
... I suspect that your results are for IEEE double and float, since that is by far the most commonly used today, but you might get different results on an IBM or a Unisys mainframe.
– James Kanze
Oct 10 '13 at 9:56
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Why does Math.Round(2.5) return 2 instead of 3?
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i dont know if this is a bug, i think it was by design since .5 is as close to the nearest lowest integer as it is to the nearest highest integer.
– Stan R.
Jun 10 '09 at 19:56
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