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Can I zip more than two lists together in Scala?

... Scala treats all of its different tuple sizes as different classes (Tuple1, Tuple2, Tuple3, Tuple4,...,Tuple22) while they do all inherit from the Product trait, that trait doesn't carry enough information to actually use the data values ...
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Removing Data From ElasticSearch

...lasticSearch. I have deleted my indexes. However, that doesn't seem to actually remove the data itself. The other stuff I've seen points to the Delete by Query feature. However, I'm not even sure what to query on. I know my indexes. Essentially, I'd like to figure out how to do a ...
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JavaScript pattern for multiple constructors

...mber and types of parameters you pass to it, you'll have to sniff them manually. JavaScript will happily call a function with more or fewer than the declared number of arguments. function foo(a, b) { if (b===undefined) // parameter was omitted in call b= 'some default value'; if (t...
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How do you calculate the average of a set of circular data? [closed]

... sum_i_from_1_to_N cos(a[i]) The method given by starblue is computationally equivalent, but his reasons are clearer and probably programmatically more efficient, and also work well in the zero case, so kudos to him. The subject is now explored in more detail on Wikipedia, and with other uses, l...
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SQLAlchemy: cascade delete

...use that is where you defined your relationship (it doesn't care that you called it "Child" of course). If you define the relationship on the Parent class instead, it will work: children = relationship("Child", cascade="all,delete", backref="parent") (note "Child" as a string: this is allowed wh...
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Disable a method in a ViewSet, django-rest-framework

...ethods but I did not able to find out how to disable the PATCH method specially if you are using routers. – Muneeb Ahmad Mar 31 '15 at 14:56 3 ...
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error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '0' doesn't match value '2' in m

... of solutions to my problem but none helped. I tried clean, rebuild. Reinstalled visual 2010 and change from professional to ultimate. But still I dont know why I have this error. My project look like this: 1 Exe Solution to test my static library. 1 Dll Solution static library. Code which is conve...
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hasNext in Python iterators?

...thod to put the first element back after I have checked that it exists by calling next(). – Giorgio Dec 24 '12 at 20:26 16 ...
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Duplicate symbols for architecture x86_64 under Xcode

...at defines an Objective-C class or category. While this option will typically result in a larger executable (due to additional object code loaded into the application), it will allow the successful creation of effective Objective-C static libraries that contain categories on existing classes...
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std::enable_if to conditionally compile a member function

... I want to use std::enable_if to choose between two member-functions and allow only one of them to be used. 7 Answers ...