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PG::ConnectionBad - could not connect to server: Connection refused

... #2 is a great suggestion: "Check server.log". My error was actually caused by upgrading to Yosemite, the server log said: FATAL: could not open directory "pg_tblspc": No such file or directory. This answer helped me with that problem stackoverflow.com/questions/25970132/… ...
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What is the standard way to add N seconds to datetime.time in Python?

Given a datetime.time value in Python, is there a standard way to add an integer number of seconds to it, so that 11:34:59 + 3 = 11:35:02 , for example? ...
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How to easily resize/optimize an image size with iOS?

...its original size, I'm planning on resizing the image to something a bit smaller to save on space/performance. 18 Answers ...
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Swift: declare an empty dictionary

... 32 The Swift documentation recommends the following way to initialize an empty Dictionary: var em...
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Provide an image for WhatsApp link sharing

.... But as soon as you use that link once, this "please note" section starts all over again. Step 1: title Maximum of 65 characters <title>your keyword rich title of the website and/or webpage</title> Step 2: description Maximum of 155 characters <meta name="description" content="des...
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How to check if a URL is valid

...ds. – Steve Madsen Sep 20 '11 at 15:32 3 Applying awendt's comment to your proposals: 'http://:59...
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How to install an APK file on an Android phone?

I have a simple "Hello Android" application on my computer ( Eclipse environment), and I have built an APK file. How do I transfer the APK file to my Android phone for testing? ...
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How to unit test an object with database queries

I've heard that unit testing is "totally awesome", "really cool" and "all manner of good things" but 70% or more of my files involve database access (some read and some write) and I'm not sure how to write a unit test for these files. ...
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Eclipse Android and gitignore

... What I usually add to .gitignore is: bin gen bin and gen are constantly changed while coding, so there's no need to include them into the Git repository. Also, sometimes I add .classpath and .project which are Eclipse specific files...
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Losing scope when using ng-include

...nan mentioned, ng-include creates a new child scope. This scope prototypically inherits (see dashed lines below) from the HomeCtrl scope. ng-model="lineText" actually creates a primitive scope property on the child scope, not HomeCtrl's scope. This child scope is not accessible to the parent/Home...