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How to initialize List object in Java?
...ou check that link, you'll find some classes that implement List:
All Known Implementing Classes:
AbstractList, AbstractSequentialList, ArrayList, AttributeList, CopyOnWriteArrayList, LinkedList, RoleList, RoleUnresolvedList, Stack, Vector
Those can be instantiated. Use their links to kno...
Trim spaces from start and end of string
...String prototype named 'trim' that isn't a ECMA 5 compatible shim? Come on now, that's crazy." }
– kojiro
Oct 30 '11 at 22:01
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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
...l
It is also including a similar sort of way: Array#dig and Hash#dig. So now this
city = params.fetch(:[], :country).try(:[], :state).try(:[], :city)
can be rewritten to
city = params.dig(:country, :state, :city)
Again, #dig is not replicating #try's behaviour. So be careful with returning v...
Which is a better way to check if an array has more than one element?
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@AlixAxel oh ok... wow thanks, didn't know that :o... In any case I'm just gonna leave it there in case OP wants to differentiate between a String and Array (regardless of size) Thanks for pointing that out :)
– Andreas Wong
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How do I sort a list of dictionaries by a value of the dictionary?
...':10}]
my_list.sort(lambda x,y : cmp(x['name'], y['name']))
my_list will now be what you want.
Or better:
Since Python 2.4, there's a key argument is both more efficient and neater:
my_list = sorted(my_list, key=lambda k: k['name'])
...the lambda is, IMO, easier to understand than operator.itemge...
Determine which MySQL configuration file is being used
...(... line. Instead I have 4 lines that end with = -1 Err#2. How do you I know now which file is loaded?
– mgPePe
Mar 17 '14 at 15:36
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Check if UIColor is dark or bright?
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do you know how to get the red , green and blue values of a color?
– Andre
Mar 24 '10 at 16:56
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Checking whether something is iterable
...ty is a function, then it is iterable. If that's not dead simple, I don't know what is ...
– adius
Jan 27 '17 at 19:21
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Is there a shortcut on Android Studio to convert a text to uppercase?
...weird things happening. I am using Ubuntu 18.10.
My string is like :
Now when I press CTRL+SHIFT+U then I am getting output like:
So I tried with CTRL+SHIFT+WINDOWS+U and its worked perfectly.
Note : I have kept CAPS LOCK ON.
Thank you.
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How do I use regex in a SQLite query?
I'd like to use a regular expression in sqlite, but I don't know how.
17 Answers
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