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What are the basic rules and idioms for operator overloading?
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Most of the work in overloading operators is boiler-plate code. That is little wonder, since operators are merely syntactic sugar, their actual work could be done by (and often is forwarded to) plain functions. But it is important that you get this boiler-plate code right. If you fail, either your...
rmagick gem install “Can't find Magick-config”
... missing development libraries for the gem you're installing, or even Ruby itself.
Do you have apt installed on your machine? If not, I'd recommend installing it, because it's a quick and easy way to get a lot of development libraries.
If you see people suggest installing "libmagick9-dev", that's ...
Test whether a list contains a specific value in Clojure
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Ah, contains?... supposedly one of the top five FAQs re: Clojure.
It does not check whether a collection contains a value; it checks whether an item could be retrieved with get or, in other words, whether a collection contains a key. This makes sense for sets (which can be thought of as mak...
How do I create a foreign key in SQL Server?
...follow
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edited Aug 8 '16 at 11:39
answered Sep 7 '08 at 20:57
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How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
I have an ArrayList that I want to iterate over. While iterating over it I have to remove elements at the same time. Obviously this throws a java.util.ConcurrentModificationException .
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JavaScript implementation of Gzip [closed]
I'm writing a Web application that needs to store JSON data in a small, fixed-size server-side cache via AJAX (think: Opensocial quotas ). I do not have control over the server.
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How to remove a directory from git repository?
I have 2 directories on my GitHub repository. I'd like to delete one of them. How could I do that without deleting and re-creating entire repository?
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Relative frequencies / proportions with dplyr
Suppose I want to calculate the proportion of different values within each group. For example, using the mtcars data, how do I calculate the relative frequency of number of gears by am (automatic/manual) in one go with dplyr ?
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How to sort my paws?
...ous question I got an excellent answer that helped me detect where a paw hit a pressure plate, but now I'm struggling to link these results to their corresponding paws:
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Best way to get application folder path
...folder - which is probably what you usually want. In a client application, it will be the directory containing the main executable.
In a VSTO 2005 application, it will be the directory containing the VSTO managed assemblies for your application, not, say, the path to the Excel executable.
The othe...