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Learning Python from Ruby; Differences and Similarities

I know Ruby very well. I believe that I may need to learn Python presently. For those who know both, what concepts are similar between the two, and what are different? ...
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Why is IntelliJ 13 IDEA so slow after upgrading from version 12?

...to about 10-15 seconds). The general performance seems to be much snappier now as well. Oddly enough, the memory footprint didn't change much, in my case, staying around 820MB. – sean.boyer Mar 19 '14 at 21:27 ...
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Is it better to call ToList() or ToArray() in LINQ queries?

... make it into Gen 2 then you may be better off paying the extra allocation now vs polluting the Gen 2 heap. IME though I rarely see this. It's much more common to see ToArray being passed immediately to another short lived LINQ query. – JaredPar May 1 '13 at 1...
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Explanation of strong and weak storage in iOS5

...ased off an analogy Malcom Crawford at Apple gave a few years back. Don't know where he got it. – BJ Homer Feb 13 '12 at 15:14 ...
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How does std::move() transfer values into RValues?

...ct&& arg) { return static_cast<Object&&>(arg); } Now, you might wonder: do we even need the cast? The answer is: yes, we do. The reason is simple; named rvalue reference is treated as lvalue (and implicit conversion from lvalue to rvalue reference is forbidden by standard)....
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Why would iterating over a List be faster than indexing through it?

... item2 -> print item2 etc. all in a single traversal, which is O(N). Now, going to the other implementation of List which is ArrayList, that one is backed by a simple array. In that case both of the above traversals are equivalent, since an array is contiguous so it allows random jumps to arbi...
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What does principal end of an association means in 1:1 relationship in Entity framework

... @NathanAldenSr the link is bad now, how do you make that change? – CamHart Apr 25 '18 at 22:19 add a comment  | ...
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How to map calculated properties with JPA and Hibernate

...e::numeric / 100) * " + " cents * " + " date_part('month', age(now(), createdOn)" + ") " + "/ 12) " + "/ 100::numeric") private double interestDollars; share | improve this ...
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Error message “Forbidden You don't have permission to access / on this server” [closed]

...grp -R apache /username/ fixed the problem for me! but just like Edifice, now I can't access my home directory tree unless I chgrp back to my user. So now I need to change to my original user to pull in my changes via git. Then change back to apache to redeploy my server. Is this the only way? ...
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What is the best Java library to use for HTTP POST, GET etc.? [closed]

...nts. You really sell Apache HTTP Client. – therobyouknow Feb 11 '10 at 17:10 23 The documentation...