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What is the purpose of python's inner classes?

... Quoted from http://www.geekinterview.com/question_details/64739: Advantages of inner class: Logical grouping of classes: If a class is useful to only one other class then it is logical to embed it in that class and keep ...
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Loop inside React JSX

...;/tbody> Re: transpiling with Babel, its caveats page says that Array.from is required for spread, but at present (v5.8.23) that does not seem to be the case when spreading an actual Array. I have a documentation issue open to clarify that. But use at your own risk or polyfill. Vanilla ES5 Ar...
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What to use as an initial version? [closed]

...crement the minor version for each subsequent release. It is fine to go from 0.3.0 straight to 1.0.0. It is also perfectly okay to be at 0.23.0. Starting at 0.4.0 is somewhat unadvisable as it suggests there have been previous published versions. Additionally, note that 0.y.z is kept aside for q...
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Apache Spark: map vs mapPartitions?

...only once. Even if the RDD is cached in RAM, that saves a lot of overhead from type conversion. – Bob Mar 27 '15 at 4:58 3 ...
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std::next_permutation Implementation Explanation

...1 2 3 4 1 2 4 3 1 3 2 4 1 3 4 2 1 4 2 3 1 4 3 2 2 1 3 4 ... How do we go from one permutation to the next? Firstly, let's look at things a little differently. We can view the elements as digits and the permutations as numbers. Viewing the problem in this way we want to order the permutations/numbe...
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How to get JSON from webpage into Python script

... Get data from the URL and then call json.loads e.g. Python3 example: import urllib.request, json with urllib.request.urlopen("http://maps.googleapis.com/maps/api/geocode/json?address=google") as url: data = json.loads(url.read(...
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Can you build dynamic libraries for iOS and load them at runtime?

...u to open the library by passing in the path to that framework, or dylib. From some docs for building jailbreak apps, here's an example of calling an init() function implemented inside your own, separate dylib: #include <dlfcn.h> initWrapper() { char *dylibPath = "/Applications/myapp.ap...
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How to set default values in Rails?

...rectly calling .allocate was about model objects loaded with existing data from the database. (And it's a terrible idea for ActiveRecord to work that way, IMO. But that's beside the point.) – SFEley Mar 10 '11 at 7:55 ...
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JavaScript equivalent of jQuery's extend method

...extend method to fill in a new object, settings with any default values from the default object if they weren't specified in the config object: ...
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How to view the Folder and Files in GAC?

...ders and sub folders in GAC . Also want to know about adding and removing from GAC . 5 Answers ...