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Element-wise addition of 2 lists?

... There are many times where python syntax is really elegant and simple, but unfortunately this isn't one of them. And for such a simple task, it's a pity.... Why would they make "+" concatenate the lists when there's already the .extend() method? – Nic Scozzaro ...
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JavaScript: Upload file

...br><br> (in stack overflow snippets there is problem with error handling, however in <a href="https://jsfiddle.net/Lamik/b8ed5x3y/5/">jsfiddle version</a> for 404 errors 4xx/5xx are <a href="https://stackoverflow.com/a/33355142/860099">not throwing</a> at all but we...
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Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]

What are differences between these commands in C# 8 Answers 8 ...
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c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区,为创新赋能!

...ime poster! I'm playing around with the boost::multi_index container stuff and have a rather in-depth question that hopefully a boost or C++ container expert might know (my knowledge in C++ containers is pretty basic). For reference, the boost documentation on composite keys can be found here: boost...
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What does 'useLegacyV2RuntimeActivationPolicy' do in the .NET 4 config?

While converting a project that used SlimDX, and therefore has unmanaged code, to .NET 4.0 I ran into the following error: ...
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Finding the average of a list

...sum(l) / float(len(l)) There is no need to use reduce. It is much slower and was removed in Python 3. share | improve this answer | follow | ...
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JavaScript exponents

...inal specification. It is supposed to work in a similar manner with python and matlab: a**b // will rise a to the power b Now it is already implemented in Edge14, Chrome52, and also it is available with traceur or babel. ...
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How can I use a local image as the base image with a dockerfile?

... latest 0378ea1c0b6c 19 hours ago 1.36 GB And doing "FROM ubuntu1504gcc484" in my other Dockerfile, and this works just fine. (Apologies for the poor formatting) – Pejvan Apr 21 '15 at 12:16 ...
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Get img thumbnails from Vimeo?

...r. output Specify the output type. We currently offer JSON, PHP, and XML formats. So getting this URL http://vimeo.com/api/v2/video/6271487.xml <videos> <video> [skipped] <thumbnail_small>http://ts.vimeo.com.s3.amazonaws.com/235/662/23566238...
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Use Font Awesome Icon in Placeholder

... You can't add an icon and text because you can't apply a different font to part of a placeholder, however, if you are satisfied with just an icon then it can work. The FontAwesome icons are just characters with a custom font (you can look at the F...