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Mock functions in Go

I'm puzzled with dependencies. I want to be able to replace some function calls with mock ones. Here's a snippet of my code: ...
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Getting a list of associative array keys

...onary); console.log(keys); See reference below for browser support. It is supported in Firefox 4.20, Chrome 5, and Internet Explorer 9. Object.keys() contains a code snippet that you can add if Object.keys() is not supported in your browser. ...
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How to add onload event to a div element

... No, you can't. The easiest way to make it work would be to put the function call directly after the element Example: ... <div id="somid">Some content</div> <script type="text/javascript"> oQuickReply.swap('somid'); </script> ... or ...
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How do you print in Sublime Text 2

Sublime Text 2 seems like a great editor. I just started using it a week ago in eval mode and it doesn't seem to have any printing functionality. This seems preposterous to me, but I can't find it anywhere. ...
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Is there a destructor for Java?

...ed. Hence there is no direct equivalent of a destructor. There is an inherited method called finalize, but this is called entirely at the discretion of the garbage collector. So for classes that need to explicitly tidy up, the convention is to define a close method and use finalize only for sanity ...
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How do you detect where two line segments intersect? [closed]

... can find t and u such that: p + t r = q + u s Cross both sides with s, getting (p + t r) × s = (q + u s) × s And since s × s = 0, this means t (r × s) = (q − p) × s And therefore, solving for t: t = (q − p) × s / (r × s) In the same way, we can solve for ...
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Python != operation vs “is not”

... == is an equality test. It checks whether the right hand side and the left hand side are equal objects (according to their __eq__ or __cmp__ methods.) is is an identity test. It checks whether the right hand side and the left hand side ar...
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Is explicitly closing files important?

In Python, if you either open a file without calling close() , or close the file but not using try - finally or the " with " statement, is this a problem? Or does it suffice as a coding practice to rely on the Python garbage-collection to close all files? For example, if one does this: ...
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Is there an equivalent to background-size: cover and contain for image elements?

I have a site with many pages and different background pictures, and I display them from CSS like: 14 Answers ...
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Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/

I have a stylesheet that loads images from an external domain and I need it to load from https:// from secure order pages and http:// from other pages, based on the current URL. I found that starting the URL with a double slash inherits the current protocol. Do all browsers support this technique?...