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Ruby, remove last N characters from a string?
What is the preferred way of removing the last n characters from a string?
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Are HLists nothing more than a convoluted way of writing tuples?
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Addressing questions one to three: one of the main applications for HLists is abstracting over arity. Arity is typically statically known at any given use site of an abstraction, but varies from site to site. Take this, from shapeless's examples,
def flatten[T <: Product, ...
How to determine an interface{} value's “real” type?
I have not found a good resource for using interface{} types. For example
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SSH library for Java [closed]
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The Java Secure Channel (JSCH) is a very popular library, used by maven, ant and eclipse. It is open source with a BSD style license.
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How to get domain URL and application name?
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The web application name (actually the context path) is available by calling HttpServletrequest#getContextPath() (and thus NOT getServletPath() as one suggested before). You can retrieve this in JSP by ${pageContext.request.contextPat...
How to pass anonymous types as parameters?
How can I pass anonymous types as parameters to other functions? Consider this example:
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Ruby on Rails - Import Data from a CSV file
I would like to import data from a CSV file into an existing database table. I do not want to save the CSV file, just take the data from it and put it into the existing table. I am using Ruby 1.9.2 and Rails 3.
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SELECT * FROM X WHERE id IN (…) with Dapper ORM
What is the best way to write a query with IN clause using Dapper ORM when the list of values for the IN clause is coming from business logic? For example let's say I have a query:
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What is the cleanest way to ssh and run multiple commands in Bash?
I already have an ssh agent set up, and I can run commands on an external server in Bash script doing stuff like:
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View git history for folder
...use either foldername or foldername/*. Either way should work.
git log -- path/to/folder
git log -- path/to/folder/*
History of renamed files will not be followed with this method.
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