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Why do you have to call .items() when iterating over a dictionary in Python?

...f least astonishment, in would also have to take such a tuple as its left-hand operand in the containment check. How useful would that be? Pretty useless indeed, basically making if (key, value) in C a synonym for if C.get(key) == value -- which is a check I believe I may have performed, or wanted...
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Android: Go back to previous activity

I want to do something simple on android app. How is it possible to go back to a previous activity. 23 Answers ...
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Response.Redirect with POST instead of Get?

We have the requirement to take a form submission and save some data, then redirect the user to a page offsite, but in redirecting, we need to "submit" a form with POST, not GET. ...
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List all svn:externals recursively?

...here is an option in the TortoiseSVN installer to also install the SVN command line client. This option is not enabled by default. share | improve this answer | follow ...
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been

...ge file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn. ...
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How can I disable HREF if onclick is executed?

I have an anchor with both HREF and ONCLICK attributes set. If clicked and Javascript is enabled, I want it to only execute ONCLICK and ignore HREF . Likewise, if Javascript is disabled or unsupported, I want it to follow the HREF URL and ignore ONCLICK . Below is an example of what I'...
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TypeScript “this” scoping issue when called in jquery callback

I'm not sure of the best approach for handling scoping of "this" in TypeScript. 4 Answers ...
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How to render a PDF file in Android

Android does not have PDF support in its libraries. Is there any way to render PDF files in the Android applications? 9 Ans...
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Ruby send vs __send__

I understand the concept of some_instance.send but I'm trying to figure out why you can call this both ways. The Ruby Koans imply that there is some reason beyond providing lots of different ways to do the same thing. Here are the two examples of usage: ...
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Prevent wrapping of span or div

I'd like to put a group of div elements of fixed width into a container and have the horizontal scroll bar appeared. The div / span elements should appear in a line, left to right in the order they appear in the HTML (essentially unwrapped). ...