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What exactly is node.js used for? [closed]

...s uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices. Event-driven means that the server only reacts when an event occurs. This allow us to create high performance, highly...
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What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?

What is the difference between Unidirectional and Bidirectional associations? 4 Answers ...
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How do you write multiline strings in Go?

... choice to write regular expression patterns as they usually contain non-standard escape sequences that would make the Go compiler complain of not double-escaped. It keeps the patterns clean and relatively readable. – jimt Oct 29 '11 at 1:35 ...
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Unit testing private methods in C#

...uccessfully, but it fails at runtime. A fairly minimal version of the code and the test is: 10 Answers ...
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Find the most common element in a list

...-- [itertools.groupby][1]. itertools offers fast, reusable functionality, and lets you delegate some tricky logic to well-tested standard library components. Consider for example: import itertools import operator def most_common(L): # get an iterable of (item, iterable) pairs SL = sorted((x,...
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ReactJS - Does render get called any time “setState” is called?

Does React re-render all components and sub components every time setState() is called? 7 Answers ...
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Why is using 'eval' a bad practice?

...few reasons: There is almost always a better way to do it Very dangerous and insecure Makes debugging difficult Slow In your case you can use setattr instead: class Song: """The class to store the details of each song""" attsToStore=('Name', 'Artist', 'Album', 'Genre', 'Location') d...
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How is an HTTP POST request made in node.js?

... this were just a small part of the application, you would // want to handle this differently, maybe throwing an exception // for the caller to handle. Since the file is absolutely essential // to the program's functionality, we're going to exit with a fatal // error instead. con...
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What are the differences between the different saving methods in Hibernate?

Hibernate has a handful of methods that, one way or another, takes your object and puts it into the database. What are the differences between them, when to use which, and why isn't there just one intelligent method that knows when to use what? ...
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What is the fastest way to send 100,000 HTTP requests in Python?

... file which has 100,000 URL's. I need to send an HTTP request to each URL and print the status code. I am using Python 2.6, and so far looked at the many confusing ways Python implements threading/concurrency. I have even looked at the python concurrence library, but cannot figure out how to wri...