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PostgreSQL ERROR: canceling statement due to conflict with recovery

...m getting the following error when running a query on a PostgreSQL db in standby mode. The query that causes the error works fine for 1 month but when you query for more than 1 month an error results. ...
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How to achieve function overloading in C?

... No. printf is not function overloading. it uses vararg !!! And C doesn't support Function Overloading. – hqt Jul 29 '12 at 9:49 53 ...
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How does zip(*[iter(s)]*n) work in Python?

...unction call. Therefore you're passing the same iterator 3 times to zip(), and it pulls an item from the iterator each time. x = iter([1,2,3,4,5,6,7,8,9]) print zip(x, x, x) share | improve this a...
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What does “default” mean after a class' function declaration?

...e that function automatically. With the introduction of move constructors and move assignment operators, the rules for when automatic versions of constructors, destructors and assignment operators are generated has become quite complex. Using = default and = delete makes things easier as you don't ...
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How do I manage MongoDB connections in a Node.js web application?

...tive says: You open do MongoClient.connect once when your app boots up and reuse the db object. It's not a singleton connection pool each .connect creates a new connection pool. So, to answer your question directly, reuse the db object that results from MongoClient.connect(). This gives yo...
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Test for multiple cases in a switch, like an OR (||)

...nywhere... thank you @SLaks for you're answer too. – Andres Jun 29 '11 at 14:40 ...
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Adding external library in Android studio

I want to add external library https://github.com/foursquare/foursquare-android-oauth to my Android application (I use Android Studio, the instructions provided by lib author for Eclipse didn't work for Android Studio). ...
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Why can't I stop vim from wrapping my code?

...idth' is zero, 'wrapmargin' may be used. See also 'formatoptions' and |ins-textwidth|. When 'formatexpr' is set it will be used to break the line. NOTE: This option is set to 0 when 'compatible' is set. 'wrapmargin' 'wm' number (default 0) l...
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Convert command line arguments into an array in Bash

How do I convert command-line arguments into a bash script array? 7 Answers 7 ...
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Insert Unicode character into JavaScript

.... I am using its HTML escaped code to do that, so I can write Ω and get Ω. That's all fine and well when I put it into a HTML element; however, when I try to put it into my JS, e.g. var Omega = Ω , it parses that code as JS and the whole thing doesn't work. Anyone know how to g...