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How do I test an AngularJS service with Jasmine?

... problem is that the factory method, that instantiate the service, is not called in the example above (only creating the module doesn't instantiate the service). In order to the service to be instantiated angular.injector has to be called with the module where our service is defined. Then, we can a...
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In Python, how do I read the exif data for an image?

...e. Some images are generated without EXIF data. If it is empty programmatically, try opening the image file in a photo editing software to check if it actually has EXIF data. – Gino Mempin Sep 6 at 0:03 ...
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How to efficiently count the number of keys/properties of an object in JavaScript?

...t only iterates through the object but also creates a whole new array with all its keys, so it completely fails at answering the question. – GetFree Jun 22 '12 at 14:28 43 ...
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Rspec doesn't see my model Class. uninitialized constant error

... Your spec_helper file is missing some important commands. Specifically, it's not including config/environment and initializing rspec-rails. You can add the following lines to the start of your spec/spec_helper.rb file ENV["RAILS_ENV"] ||= 'test' require File.expand_path("../../config/envi...
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Why use strict and warnings?

...tify how much it helps. It should suffice to say that they help unconditionally. – ikegami Nov 6 '11 at 19:42 1 ...
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RE error: illegal byte sequence on Mac OS X

...t a valid UTF-8 char. Note that, by contrast, GNU sed (Linux, but also installable on macOS) simply passes the invalid byte through, without reporting an error. Using the formerly accepted answer is an option if you don't mind losing support for your true locale (if you're on a US system and you ne...
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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?

...or v in g: yield v does not even begin to do justice to what yield from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warrant adding yield from to the language and preclude a whole bunch of new features from being implemented in Python 2.x. Wh...
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Set select option 'selected', by value

... I had to manually call .val(x).change(); to trigger the select's onChange event, it seems setting val() doesn't fire it. – scipilot Jul 19 '15 at 5:48 ...
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Django, creating a custom 500/404 error page

... for some reason request.user appears fine in the 404 template, but not at all in the 500 template (and they are almost identical) -- posted question on this here: stackoverflow.com/questions/26043211/… – Gravity Grave Sep 25 '14 at 16:13 ...
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How do I get a list of column names from a psycopg2 cursor?

... to generate column labels directly from the selected column names, and recall seeing that python's psycopg2 module supports this feature. ...