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What is the proper way to use the node.js postgresql module?

I am writing a node.js app on Heroku and using the pg module . I can't figure out the "right" way to get a client object for each request that I need to query the database. ...
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Using the star sign in grep

... The asterisk is just a repetition operator, but you need to tell it what you repeat. /*abc*/ matches a string containing ab and zero or more c's (because the second * is on the c; the first is meaningless because there's nothing for it to repeat). If yo...
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How do I pass values to the constructor on my wcf service?

...m ServiceHostFactory, ServiceHost and IInstanceProvider. Given a service with this constructor signature: public MyService(IDependency dep) Here's an example that can spin up MyService: public class MyServiceHostFactory : ServiceHostFactory { private readonly IDependency dep; public My...
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async/await - when to return a Task vs void?

...n type (for events). If there's no reason to disallow having the caller await your task, why disallow it? 2) async methods that return void are special in another aspect: they represent top-level async operations, and have additional rules that come into play when your task returns an exception. Th...
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What is aspect-oriented programming?

I understand object oriented programming, and have been writing OO programs for a long time. People seem to talk about aspect-oriented programming, but I've never really learned what it is or how to use it. What is the basic paradigm? ...
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Javascript: negative lookbehind equivalent?

...script regular expressions? I need to match a string that does not start with a specific set of characters. 12 Answers ...
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How to ignore certain files in Git

I have a repository with a file, Hello.java . When I compile it, an additional Hello.class file is generated. 21 Answers...
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GPU Emulator for CUDA programming without the hardware [closed]

... emulator for a Geforce card that would allow me to program and test CUDA without having the actual hardware? 7 Answers ...
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Where does the .gitignore file belong?

Does the .gitignore file belong in the .git folder structure somewhere or in the main source files? 8 Answers ...
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Is it possible to set async:false to $.getJSON call

Is it possible to set async: false when calling $.getJSON() so that the call blocks rather than being asynchronous? 7 A...