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How to initialize an array in one step using Ruby?

...rray = [ '1', '2', '3' ] You can also use a range: array = ('1'..'3').to_a # parentheses are required # or array = *('1'..'3') # parentheses not required, but included for clarity For arrays of whitespace-delimited strings, you can use Percent String syntax: array = %w[ 1 2 3 ] You can...
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How to read json file into java with simple JSON library

... Well, you want to process all of the items in the array in a loop. My code just gets you the first item (a.get(0)) because that was the closest match to your original code. The json-simple documentation says a JSONArray is java.util.List, so you can...
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Is it possible to use argsort in descending order?

... this method is that ids is a view of avgDists: >>> ids.flags C_CONTIGUOUS : False F_CONTIGUOUS : False OWNDATA : False WRITEABLE : True ALIGNED : True UPDATEIFCOPY : False (The 'OWNDATA' being False indicates this is a view, not a copy) Another way to do this is something ...
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How to check if all of the following items are in a list?

... Operators like <= in Python are generally not overriden to mean something significantly different than "less than or equal to". It's unusual for the standard library does this--it smells like legacy API to me. Use the equivalent and more clearly-named method, ...
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How do I clone a Django model instance object and save it to the database?

...imary key of your object and run save(). obj = Foo.objects.get(pk=<some_existing_pk>) obj.pk = None obj.save() If you want auto-generated key, set the new key to None. More on UPDATE/INSERT here. Official docs on copying model instances: https://docs.djangoproject.com/en/2.2/topics/db/que...
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Why are dates calculated from January 1st, 1970?

...1st, 1970) as default standard The Question makes two false assumptions: All time-tracking in computing is done as a count-since-1970. Such tracking is standard. Two Dozen Epochs Time in computing is not always tracked from the beginning of 1970 UTC. While that epoch reference is popular, various...
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Meaning of 'const' last in a function declaration of a class?

...e that is often broken and easily broken. foobar& fbNonConst = const_cast<foobar&>(fb1); share | improve this answer | follow | ...
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Django: “projects” vs “apps”

...views.py and so on. Would it help if I said views.py doesn't have to be called views.py? Provided you can name, on the python path, a function (usually package.package.views.function_name) it will get handled. Simple as that. All this "project"/"app" stuff is just python packages. Now, how are yo...
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Is there a 'box-shadow-color' property?

... That's a great use of variables! Let's hope that they'll be supported in all browsers within the next few years :/ – fregante Aug 18 '15 at 0:10 ...
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Unsubscribe anonymous method in C#

...ered Oct 8 '08 at 15:33 Jacob KrallJacob Krall 24.8k66 gold badges5757 silver badges7373 bronze badges ...