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Do rails rake tasks provide access to ActiveRecord models?
I am trying to create a custom rake task, but it seems I dont have access to my models. I thought this was something implicitly included with rails task.
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What happens if you static_cast invalid value to enum class?
Consider this C++11 code:
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Is a Java hashmap search really O(1)?
... now we can disregard some arbitrary number of collisions and end up with vanishingly tiny likelihood of more collisions than we are accounting for. You could get the probability to an arbitrarily tiny level by choosing the correct k, all without altering the actual implementation of the algorithm....
Why can a class not be defined as protected?
...can gain access by subclassing it. So protected for a top-level class is meaningless.
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When is a language considered a scripting language? [closed]
...ishes it from other kinds of programming, is that …
Scripts largely manipulate objects that
were not created by the script,
have a lifetime independent of the script and
live outside the domain of the script.
Also, the datatypes and algorithms used are generally not defined...
Moving and vanishing lines of code; trouble with Eclipse's XML Editor
...ometimes but not with the Graphical Editor: instead, it's with the AndroidManifest.xml file; which use another editor. This is with the latest version - Juno but I must admit that lately, I didn't have much time to work on my Android application so I cannot really tell for sure.
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How to import local packages without gopath
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There's no such thing as "local package". The organization of packages on a disk is orthogonal to any parent/child relations of packages. The only real hierarchy formed by packages is the dependency tree, which in the general case does not reflect the directory tree.
Just ...
Why is textarea filled with mysterious white spaces?
I have a simple text area in a form like this:
21 Answers
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Exception messages in English?
...installed, you will not get the translated texts.
– Daniel Rose
Apr 28 '14 at 12:23
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At least wi...
Hashset vs Treeset
I've always loved trees, that nice O(n*log(n)) and the tidiness of them. However, every software engineer I've ever known has asked me pointedly why I would use a TreeSet . From a CS background, I don't think it matters all that much which you use, and I don't care to mess around with hash functi...