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Python None comparison: should I use “is” or ==?

...ject None, so when you do my_var is None, you're checking whether they actually are the same object (not just equivalent objects) In other words, == is a check for equivalence (which is defined from object to object) whereas is checks for object identity: lst = [1,2,3] lst == lst[:] # This is Tr...
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Injecting content into specific sections from a partial view ASP.NET MVC 3 with Razor View Engine

...ours. In my answer I've expressed mine and linked to an answer which would allow you to achieve this task. But I've also highlighted on what I would recommend and do for this situation. – Darin Dimitrov Dec 7 '12 at 16:41 ...
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How to trigger event when a variable's value is changed?

... Jonathan WoodJonathan Wood 57.9k6262 gold badges216216 silver badges355355 bronze badges add a comment ...
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C# Float expression: strange behavior when casting the result float to int

... First of all, I assume that you know that 6.2f * 10 is not exactly 62 due to floating point rounding (it's actually the value 61.99999809265137 when expressed as a double) and that your question is only about why two seemingly identic...
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ASP.NET MVC JsonResult Date Format

...answer. The JSON spec does not account for Date values. MS had to make a call, and the path they chose was to exploit a little trick in the javascript representation of strings: the string literal "/" is the same as "\/", and a string literal will never get serialized to "\/" (even "\/" must be map...
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Import a module from a relative path

...s of upvotes? – gented Apr 3 '17 at 16:15  |  show 3 more co...
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How to Unit test with different settings in Django?

... EDIT: This answer applies if you want to change settings for a small number of specific tests. Since Django 1.4, there are ways to override settings during tests: https://docs.djangoproject.com/en/dev/topics/testing/tools/#overriding-settings TestCase will have a self.settings context ma...
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html select option separator

...east in firefox! – Ben Sinclair Dec 16 '10 at 18:42 1 An empty optgroup like this is not legal ht...
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Split array into chunks

... Nope, the last chunk should just be smaller than the others. – Blazemonger Jul 22 '14 at 23:27 7 ...
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android get real path by Uri.getPath()

I'm trying to get image from gallery. 7 Answers 7 ...