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How to get a vertical geom_vline to an x-axis of class date?

...it done. I have a time series from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line at all or the vertical line is drawn at the very first vertical grid and the whole series is shifted ...
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jQuery: Performing synchronous AJAX requests

...precated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/. Firefox: Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user’s experience. For more help http://xhr.spec.wha...
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Creating a expressjs middleware that accepts parameters

... The second method caches parameters, which or may not be the desired behavior. – Pier-Luc Gendreau Dec 14 '14 at 2:42 ...
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Import a file from a subdirectory?

... look at the Packages documentation (Section 6.4) here: http://docs.python.org/tutorial/modules.html In short, you need to put a blank file named __init__.py in the "lib" directory. share | imp...
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What is the difference between JAX-RS and JAX-WS?

...JAX-WS? 1) I don't know if the JAX-RS API includes a specific mechanism for asynchronous requests, but this answer could still change based on the client implementation you use. Can JAX-RS access a web service that is not running on the Java platform, and vice versa? 2) I can't think of any...
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Ruby Metaprogramming: dynamic instance variable names

... The method you are looking for is instance_variable_set. So: hash.each { |name, value| instance_variable_set(name, value) } Or, more briefly, hash.each &method(:instance_variable_set) If your instance variable names are missing the "@" (as the...
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Using PUT method in HTML form

Can I use a PUT method in an HTML form to send data from the form to a server? 7 Answers ...
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Rails 4: before_filter vs. before_action

In rails >4.0.0 generators creates CRUD operations with before_action not before_filter . It seems to do the same thing. So what's the difference between these two? ...
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In pure functional languages, is there an algorithm to get the inverse function?

In pure functional languages like Haskell, is there an algorithm to get the inverse of a function, (edit) when it is bijective? And is there a specific way to program your function so it is? ...
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How do I 'git diff' on a certain directory?

...tually runs a diff on all source code. How do I do this on a certain directory, so that I can view modifications on files underneath it? ...