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How to pass arguments into a Rake task with environment in Rails? [duplicate]
...ironment using the :needs option. For example:
desc "Testing environment and variables"
task :hello, :message, :needs => :environment do |t, args|
args.with_defaults(:message => "Thanks for logging on")
puts "Hello #{User.first.name}. #{args.message}"
end
Updated per @Peiniau's comment...
How do you turn off auto-capitalisation in HTML form fields in iOS?
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@AbhiBeckert Can confirm. 2014 and we can hardly remember iOS 6.
– Henry Harris
Jun 18 '14 at 21:06
24
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Which Java Collection should I use?
In this question How can I efficiently select a Standard Library container in C++11? is a handy flow chart to use when choosing C++ collections.
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Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
... which allows to easily switch between environments, even between Python 2 and 3. It is also updated very quickly as soon as a new version of a package is released, and you can just do conda update packagename to update it.
Original answer below:
On Windows, what is complicated is to compile the m...
How do you get a timestamp in JavaScript?
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A unary operator like plus triggers the valueOf method in the Date object and it returns the timestamp (without any alteration).
Details:
On almost all current browsers you can use Date.now() to get the UTC timestamp in milliseconds; a notable exception to this is IE8 and earlier (see compatibili...
What is the correct way to document a **kwargs parameter?
I'm using sphinx and the autodoc plugin to generate API documentation for my Python modules. Whilst I can see how to nicely document specific parameters, I cannot find an example of how to document a **kwargs parameter.
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Can I use conditional statements with EJS templates (in JMVC)?
and if yes, what is the syntax?
My goal is to prepend an 's' to the word 'comment' when there is more than one. in an jQuery.ejs template in a JMVC app. The following breaks. I can't find any docs for conditionals...
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This project references NuGet package(s) that are missing on this computer
I have an ASP.NET MVC5 application that worked yesterday and now I am getting this error when I try to build:
18 Answers
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Impossible to make a cached thread pool with a size limit?
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The ThreadPoolExecutor has the following several key behaviors, and your problems can be explained by these behaviors.
When tasks are submitted,
If the thread pool has not reached the core size, it creates new threads.
If the core size has been reached and there is no idle threads, it ...
Test if characters are in a string
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@GregSnow -- Tried system.time(a <- grepl("abc", vec)) and system.time(a <- grepl("abc", vec, fixed=TRUE)), and fixed=TRUE is still, if anything slightly slower. The difference isn't appreciable with these short strings, but fixed=TRUE still doesn't seem to be faster. Thanks ...