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HTML5 Canvas vs. SVG vs. div

What is the best approach for creating elements on the fly and being able to move them around? For example, let's say I want to create a rectangle, circle and polygon and then select those objects and move them around. ...
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Check if event exists on element [duplicate]

Is there a way to check if an event exists in jQuery? I’m working on a plugin that uses custom namespaced events, and would like to be able to check if the event is binded to an element or not. ...
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Undo working copy modifications of one file in Git?

After the last commit, I modified a bunch of files in my working copy, but I want to undo the changes to one of those files, as in reset it to the same state as the most recent commit. ...
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Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 wit

I've been struggling with this for some time. 24 Answers 24 ...
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How to mock localStorage in JavaScript unit tests?

Are there any libraries out there to mock localStorage ? 14 Answers 14 ...
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?

A co-worker claimed recently in a code review that the [[ ]] construct is to be preferred over [ ] in constructs like ...
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Converting numpy dtypes to native python types

If I have a numpy dtype, how do I automatically convert it to its closest python data type? For example, 12 Answers ...
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How to use CURL via a proxy?

I am looking to set curl to use a proxy server. The url is provided by an html form, which has not been a problem. Without the proxy it works fine. I have found code on this and other sites, but they do not work. Any help in finding the correct solution would be much appreciated. I feel that the bel...
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How to send a custom http status message in node / express?

My node.js app is modeled like the express/examples/mvc app. 9 Answers 9 ...
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How do I undo the most recent local commits in Git?

I accidentally committed the wrong files to Git , but I haven't pushed the commit to the server yet. 86 Answers ...