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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 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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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...
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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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What's wrong with cplusplus.com?

...the container. Its because std::remove works with a pair of iterators only and does not know anything about the container which actually contains the items. In fact, it's not possible for std::remove to know the underlying container, because there is no way it can go from a pair of iterators to disc...
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Can I create a One-Time-Use Function in a Script or Stored Procedure?

... You can call CREATE Function near the beginning of your script and DROP Function near the end. share | improve this answer | follow | ...
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Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)

...utomated weather data from the web. The observations occur every 5 minutes and are compiled into monthly files for each weather station. Once I'm done parsing a file, the DataFrame looks something like this: ...
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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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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...