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How to make connection to Postgres via Node.js

... find myself trying to create a postgres database, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be,...
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What is the best way to trigger onchange event in react js

... For React 16 and React >=15.6 Setter .value= is not working as we wanted because React library overrides input value setter but we can call the function directly on the input as context. var nativeInputValueSetter = Object.getOwnProp...
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Why are Python's 'private' methods not actually private?

Python gives us the ability to create 'private' methods and variables within a class by prepending double underscores to the name, like this: __myPrivateMethod() . How, then, can one explain this ...
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Visual Studio or Resharper functionality for placement of using directives

I like to put my using directives inside the current namespace, and not outside as VS and Resharper per default puts them. ...
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Why doesn't Ruby support i++ or i--​ (increment/decrement operators)?

The pre/post increment/decrement operator ( ++ and -- ) are pretty standard programing language syntax (for procedural and object-oriented languages, at least). ...
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How to rethrow InnerException without losing stack trace in C#?

...s now the ExceptionDispatchInfo class. This lets you capture an exception and re-throw it without changing the stack-trace: try { task.Wait(); } catch(AggregateException ex) { ExceptionDispatchInfo.Capture(ex.InnerException).Throw(); } This works on any exception, not just AggregateExcep...
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How to convert a DOM node list to an array in Javascript?

...es, but it expects a Javascript array (it runs some Array methods on that) and I want to feed it the output of Document.getElementsByTagName that returns a DOM node list. ...
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What is __init__.py for?

... documentation. Python defines two types of packages, regular packages and namespace packages. Regular packages are traditional packages as they existed in Python 3.2 and earlier. A regular package is typically implemented as a directory containing an __init__.py file. When a regular package is ...
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Why does C++ not have reflection?

This is a somewhat bizarre question. My objectives are to understand the language design decision and to identify the possibilities of reflection in C++. ...
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Checkout one file from Subversion

.... But that might not be what you want. You might want to work on the file and check it back in, without having to download GB of junk you don't need. If you have Subversion 1.5+, then do a sparse checkout: svn checkout <url_of_big_dir> <target> --depth empty cd <target> svn up &...