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What is the difference between an expression and a statement in Python?

...xpressions as expression statements, e.g. print("Hello world!") or my_list.append(42). – Sven Marnach May 28 '19 at 12:09 ...
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Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after

I've installed Visual Studio 2012 Release Preview, and it appears to be fine, but now when I try to use Visual Studio 2010 to compile C++ projects, I get the following error message: ...
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Nested attributes unpermitted parameters

...e(:log_entry).permit! Nested attributes are in the form of a hash. In my app, I have a Question.rb model accept nested attributes for an Answer.rb model (where the user creates answer choices for a question he creates). In the questions_controller, I do this def question_params params.re...
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Why do I want to avoid non-default constructors in fragments?

I am creating an app with Fragments and in one of them, I created a non-default constructor and got this warning: 6 Answe...
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Cocoa Touch: How To Change UIView's Border Color And Thickness?

..., like a modal UINavigationController dismissing, I see a lot of glitches happening, it's hard to describe. If I deactivate the borders, everything goes back to normal. – Nicu Surdu Jun 16 '12 at 13:42 ...
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Is onload equal to readyState==4 in XMLHttpRequest?

...that represents XHR 2 is CORS support so from that standpoint XHR 2 didn't appear in IE until IE 10 but XHR.onload was supported in IE 9 which is typically believed to be XHR 1. – Chase Nov 5 '14 at 6:39 ...
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Is HTML5 localStorage asynchronous?

...but it looks like they've been revised since then (and the W3 spec doesn't appear to require sync/async anywhere). At this point, I'd say localstorage calls are synchronous by convention but not by spec. Unless you're aware of a browser that's implemented it async? – Ryan Nig...
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How to join int[] to a character separated string in .NET?

...nts that Join method should take an IEnumerable argument. I'm going to disappoint you :) String.Join requires array for a single reason - performance. Join method needs to know the size of the data to effectively preallocate necessary amount of memory. Here is a part of internal implementation of ...
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What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?

...ns internally, but what exactly is it trying to do whenever such a problem appears? 15 Answers ...
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Get __name__ of calling function's module in Python

Suppose myapp/foo.py contains: 3 Answers 3 ...