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Progress indicator during pandas operations

I regularly perform pandas operations on data frames in excess of 15 million or so rows and I'd love to have access to a progress indicator for particular operations. ...
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When is an interface with a default method initialized?

....4.1 ought to cover this definitively. However, the behavior of Oracle JDK and OpenJDK (javac and HotSpot) differs from what's specified here. In particular, the Example 12.4.1-3 from this section covers interface initialization. The example as follows: interface I { int i = 1, ii = Test.out("i...
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Importing variables from another file?

... from file1 import * will import all objects and methods in file1 share | improve this answer | follow | ...
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How to install a gem or update RubyGems if it fails with a permissions error

... using gem install mygem or update RubyGems using gem update --system , and it fails with this error: 27 Answers ...
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What do 'lazy' and 'greedy' mean in the context of regular expressions?

Could someone explain these two terms in an understandable way? 12 Answers 12 ...
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What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?

I was deploying an ASP.NET MVC application last night, and found out that it is less work to deploy with IIS7 set to integrated mode. My question is what is the difference? And what are the implications of using one or the other? ...
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In PHP, what is a closure and why does it use the “use” identifier?

I'm checking out some PHP 5.3.0 features and ran across some code on the site that looks quite funny: 6 Answers ...
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download file using an ajax request

... Update April 27, 2015 Up and coming to the HTML5 scene is the download attribute. It's supported in Firefox and Chrome, and soon to come to IE11. Depending on your needs, you could use it instead of an AJAX request (or using window.location) so long ...
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Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?

...ere's nothing wrong with that statement; you're just multiplying 4 numbers and assigning it to an int, there just happens to be an overflow. This is different than assigning a single literal, which would be bounds-checked at compile-time. It is the out-of-bounds literal that causes the error, not t...
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how to change default python version?

... in my mac. After I run /Applications/Python 3.2/Update Shell Profile.command , it's confusing that when I type python -V in Terminal it says that Python 2.6.1 , how can I change the default python version? ...