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Setup RSpec to test a gem (not Rails)

It is pretty easy with the added generator of rspec-rails to setup RSpec for testing a Rails application. But how about adding RSpec for testing a gem in development? I am not using jeweler or such tools. I just used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *...
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Open a project in a new window in IntelliJ after “accidentally” clicking remember decision

I wanted to open a new project in a separate window in IntelliJ and I "accidentally" clicked "Remember this decision and don't ask again" and clicked "open in the same window"! ...
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NULL vs nil in Objective-C

In observeValueForKeyPath:ofObject:change:context: - why do the docs use NULL instead of nil when not specifying a context pointer? ...
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How can I extract a good quality JPEG image from a video file with ffmpeg?

Currently I am using this command to extract the images: 2 Answers 2 ...
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Server polling with AngularJS

I'm trying to learn AngularJS. My first attempt to get new data every second worked: 4 Answers ...
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Start thread with member function

I am trying to construct a std::thread with a member function that takes no arguments and returns void . I can't figure out any syntax that works - the compiler complains no matter what. What is the correct way to implement spawn() so that it returns a std::thread that executes test() ? ...
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What does the line “#!/bin/sh” mean in a UNIX shell script?

I was going through some shell script tutorials and found the following sample program: 5 Answers ...
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How to use Elasticsearch with MongoDB?

I have gone through many blogs and sites about configuring Elasticsearch for MongoDB to index Collections in MongoDB but none of them were straightforward. ...
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Angularjs if-then-else construction in expression

Can I somehow use if-then-else construction (ternary-operator) in angularjs expression, for example I have function $scope.isExists(item) that has to return bool value. I want something like this, ...
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How do I byte-compile everything in my .emacs.d directory?

I have decided to check out Emacs, and I liked it very much. Now, I'm using the Emacs Starter Kit , which sort of provides better defaults and some nice customizations to default install of Emacs. ...