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How to check if an activity is the last one in the activity stack for an application?
...getRunningTasks should be used to get running tasks and one might want to call it only with the purpose to analyze these tasks). Usage of get(0) is well documented and logical 'Return a list of the tasks that are currently running, with the most recent being first and older ones after in order'.
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Detect if a jQuery UI dialog box is open
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How would you do this test for any and all dialogs? Say you have ten different dialogs with separate inits and options and you want to test if ANY of them are open, not a specific selector?
– Kirk Ross
Nov 12 '14 at 21:56
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How to convert int to NSString?
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@DielsonSales some objects don't have stringValue, but all have description - so as a good practice it's better to get used to using description (NSNumber does, no need to worry here). Try this (description will print the date, but stringValue will crash): NSNumber *test = (id)[N...
how to concatenate two dictionaries to create a new one in Python? [duplicate]
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Slowest and doesn't work in Python3: concatenate the items and call dict on the resulting list:
$ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}' \
'd4 = dict(d1.items() + d2.items() + d3.items())'
100000 loops, best of 3: 4.93 usec per loop
Fastest: exploit the dict co...
Why not use HTTPS for everything?
...eciding what has to be secured because everything would be, and it's not really an inconvenience to the user.
15 Answers
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How is the “greater than” or “>” character used in CSS?
...a CSS child selector. P > SPAN means applying the style that follows to all SPAN tags that are children of a P tag.
Note that "child" means "immediate descendant", not just any descendant. P SPAN is a descendant selector, applying the style that follows to all SPAN tags that are children of a P ...
How do I change the highlight style in Vim spellcheck?
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@ZyX: I don't know, was just wondering. All of mine show it as ---- too, but it just seemed logical that changing to squiggly should just involve replacing - with ~, but I could be wrong there.
– abcd
May 18 '11 at 19:41
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The Ruby %r{ } expression
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%r{} is equivalent to the /.../ notation, but allows you to have '/' in your regexp without having to escape them:
%r{/home/user}
is equivalent to:
/\/home\/user/
This is only a syntax commodity, for legibility.
Edit:
Note that you can use almost any non-alphabet...
How to change a command line argument in Bash?
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You have to reset all arguments. To change e.g. $3:
$ set -- "${@:1:2}" "new" "${@:4}"
Basically you set all arguments to their current values, except for the one(s) that you want to change. set -- is also specified by POSIX 7.
The "${@:1:...
JFrame in full screen Java
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@shaILU put all that into a new question with a minimal reproducible example
– Reimeus
Oct 17 '17 at 13:28
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