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API Versioning for Rails Routes
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The original form of this answer is wildly different, and can be found here. Just proof that there's more than one way to skin a cat.
I've updated the answer since to use namespaces and to use 301 redirects -- rather than the default of 302. Thanks to pixeltrix and Bo Jeanes fo...
How to Unit test with different settings in Django?
.../#overriding-settings
TestCase will have a self.settings context manager, and there will also be an @override_settings decorator that can be applied to either a test method or a whole TestCase subclass.
These features did not exist yet in Django 1.3.
If you want to change settings for all your te...
How to change plot background color?
I am making a scatter plot in matplotlib and need to change the background of the actual plot to black. I know how to change the face color of the plot using:
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Swift double to string
...ntrolled with the printf formatting options, see: String Format Specifiers and printf(3).
– zaph
Mar 21 '15 at 13:14
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How to reverse a singly linked list using only two pointers?
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Any alternative? No, this is as simple as it gets, and there's no fundamentally-different way of doing it. This algorithm is already O(n) time, and you can't get any faster than that, as you must modify every node.
It looks like your code is on the right track, but it's not...
Protecting executable from reverse engineering?
I've been contemplating how to protect my C/C++ code from disassembly and reverse engineering. Normally I would never condone this behavior myself in my code; however the current protocol I've been working on must not ever be inspected or understandable, for the security of various people.
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Can dplyr package be used for conditional mutating?
... TRUE ~ NA_real_))
Added - arithmetic/na_if If the values are numeric and the conditions (except for the default value of NA at the end) are mutually exclusive, as is the case in the question, then we can use an arithmetic expression such that each term is multiplied by the desired result using...
Difference between Iterator and Listiterator?
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And the reason why you can't do that with a Set is simple: There is not "current point": Elements have no index and there is no usefull way you can add an element "before" or "after" another one.
– Joach...
MySQL Data - Best way to implement paging?
...ments, the first argument specifies the offset of the first row to return, and the second specifies the maximum number of rows to return. The offset of the initial row is 0 (not 1):
SELECT * FROM tbl LIMIT 5,10; # Retrieve rows 6-15
To retrieve all rows from a certain offset up to the end of the r...
Is there a tool to convert JavaScript files to TypeScript [closed]
...cript, too. Nevertheless you can change the extension of a .js file to .ts and pass this file to the TypeScript compiler. This really confused me and I asked the question in the TypeScript IRC channel on freenode. It turned out that the Typescript compiler checks its input for valid JavaScript and j...