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throw new std::exception vs throw std::exception

...by a catch clause naming the correct type, by a catch (...), whether it is then re-thrown or not it will be destroyed correctly at the appropriate time. (The only exception being if it is never caught at all but this is a non-recoverable situation whichever way you look at it.) If you throw a point...
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How do I get a background location update every n minutes in my iOS application?

...say -(void)didUpdateToLocation:(CLLocation*)location, in the app delegate. Then implement the method locationManager:didUpdateLocation:fromLocation of CLLocationManagerDelegate in the class in which you started the location manager (since we set the location manager delegate to 'self'). Inside this ...
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How can I keep Bootstrap popovers alive while being hovered?

... The popover gets hidden if you enter it and then go back to the trigger element all before 300ms. To fix it, check if BOTH the popover and its trigger are :hover before hiding it in setTimeout. I'd also use setTimeout and the same approach on mouseleave the popover its...
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How to set layout_gravity programmatically?

... Okay then tell me if layout_gravity equals setGravity, then how I set the gravity? – Adam Varhegyi Nov 8 '11 at 11:30 ...
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Overlaying histograms with ggplot2 in R

...s telling ggplot to construct one histogram using all the values in f0 and then color the bars of this single histogram according to the variable utt. What you want instead is to create three separate histograms, with alpha blending so that they are visible through each other. So you probably want ...
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How do I use brew installed Python as the default Python?

... @BenWest because python3, now you get python2 rather then python. – georgexsh Sep 14 '17 at 20:20 1 ...
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How do you add an action to a button programmatically in xcode

...our button and ask a method to resolve the tablecell to model relation and then do whatever you want with that. – Nick Weaver Mar 15 '12 at 8:25 1 ...
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Extract month and year from a zoo::yearmon object

...le date (properly created!) date1 <- as.yearmon("Mar 2012", "%b %Y") Then we can extract the date parts as required: > format(date1, "%b") ## Month, char, abbreviated [1] "Mar" > format(date1, "%Y") ## Year with century [1] "2012" > format(date1, "%m") ## numeric month [1] "03" The...
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Python data structure sort list alphabetically

...ntrigue', 'Eflux', 'constitute'] Please note: If you work with Python 3, then str is the correct data type for every string that contains human-readable text. However, if you still need to work with Python 2, then you might deal with unicode strings which have the data type unicode in Python 2, an...
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Node.js - getting current filename

... a standard API to do so: Path. Getting the name of the current script is then easy: var path = require('path'); var scriptName = path.basename(__filename); share | improve this answer |...