It is often handy to have a canonical representation of a language (in my case they are usually domain specific languages); however, I believe there are strict limits on the expressiveness of the languages involved that determine whether a canonical form can be determined and/or created for an arbitrary program in that language. Unfortu...
Say I want to make an "Optimized query generator". Basically a SQL query optimizer that is a lot better than what can be put in an SQL server based on time/space limitations. It would take a query and DB stats as input and generate an SQL query tailored for the target system that will quickly optimize to a nearly ideal plan. How much of...
This is actually a machine learning classification problem but I imagine there's a perfectly good quick-and-dirty way to do it. I want to map a string describing an NFL team, like "San Francisco" or "49ers" or "San Francisco 49ers" or "SF forty-niners", to a canonical name for the team. (There are 32 NFL teams so it really just means f...
I know that it's a good idea to make as much of the interface of a class non-member non-friend as possible, and I've just realised that for my 3D vector class, 'Vector3', I can move the +=, -= and so on operators out of the class, leaving just constructors and the copy assignment operator. The question is: what should this operator look...
Hi all, I'm getting two different hashes of the same xml document when I directly canonicalize some xml than when I perform a digital signature on it which also performs the same canonicalization algoririth on the xml before hashing it? I worked out that the digital signature canonicalization includes the new line characters '\n' and s...
Update: I can make this a simpler problem to solve: I want to figure out what the correct regex would be to substitute any single occurrence of a back slash with two back slashes. I want to turn this: vlc.plugin.path = C:\Program Files\JekyllV0.9.2\\VLC_1.0.0\\plugins into: vlc.plugin.path = C:\\Program Files\\JekyllV0.9.2\\VLC_1....
I'm using xmlseclibs to try and sign a SOAP document, but it does not seem to canonicalize things in the same way depending on whether I'm signing or validating. I'll give you an example. This is the XML I am trying to sign: <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Header/> <soapenv:Body>...
I currently have both urls of my site listed in google and yahoo siteexplorer etc, there is some difference in the pages that are indexed. Do I need both, or can I delete the one with the www at the start and then let it find all pages using the new url? I have already set my preferred domain in google but can not see a way to do it in ...