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What does “|=” mean? (pipe equal operator)
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|= reads the same way as +=.
notification.defaults |= Notification.DEFAULT_SOUND;
is the same as
notification.defaults = notification.defaults | Notification.DEFAULT_SOUND;
where | is the bit-wise OR operator.
All operators are referenced here.
A bit...
Validating parameters to a Bash script
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~/myfolder3/$1/thisisafolder
EOF
edit: I missed the part about checking if the directories exist at first, so I added that in, completing the script. Also, have addressed issues raised in comments; fixed the regular expression, switched from == to eq.
This should be a portable, POSIX compliant s...
Grouping functions (tapply, by, aggregate) and the *apply family
... ?apply). There are enough of them, though, that beginning useRs may have difficulty deciding which one is appropriate for their situation or even remembering them all. They may have a general sense that "I should be using an *apply function here", but it can be tough to keep them all straight at fi...
How to configure slf4j-simple
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Actually it (defaultLogLevel) works.Just found I was modifying the program in a wrong folder ;-) And defaultlog doesn't work. So you probably want to edit your answer though I've accepted it
– Gelin Luo
Jan 27 '13 at 10:08
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How to automatically indent source code?
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Side note: shortcut depends on your keyboard layout, so if one does not work - check what Edit->Advanced says. Indeed you can customize it to you liking in Tools->Options->Environment->Keyboard.
– Alexei Levenkov
Jun 24 '15 at 17...
How do I make a Mac Terminal pop-up/alert? Applescript?
...Hello World"'
Replacing “Finder” with whatever app you desire. Note if that app is backgrounded, the dialog will appear in the background too. To always show in the foreground, use “System Events” as the app:
osascript -e 'tell app "System Events" to display dialog "Hello World"'
Read ...
Error: free(): invalid next size (fast):
... executable (maybe 2 times in 8 hours, with 10 compiles an hour). However, if I make clean and recompile it goes away most of the time.
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Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
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Be careful doing this if you aren't already on the latest version of Postgres. You'll need to reinstall the old Postgres alongside the new one and then do a pg_upgrade
– dazonic
Jan 2 '17 at 2:49
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How to call erase with a reverse iterator
...e drawn to be pointing at. The diagram shows what element you would access if you * them, but we're talking about what element you'd be pointing at if you base them, which is one element to the right. I'm not such a fan of the --(i.base()) or (++i).base() solutions since they mutate the iterator. I ...
Python truncate a long string
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info = (data[:75] + '..') if len(data) > 75 else data
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