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Block commenting in Ruby
Does Ruby have block comments?
4 Answers
4
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How do I access the host machine itself from the iPhone simulator
...app that connects to a web service for most of it's operations. As a shortcut, I'd like to run a copy of my development server on my machine. Question is:
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Do c++11 lambdas capture variables they don't use?
When I use [=] to indicate that I would like all local variables to be captured by value in a lambda, will that result in all local variables in the function being copied, or just all local variables that are used by the lambda ?
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How to specify an array of objects as a parameter or return value in JSDoc?
In JSDoc, the best documentation I can find shows to use the following if you have an array of a specific type (such as an array of strings) as:
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Python argparse: default value or specified value
I would like to have a optional argument that will default to a value if only the flag is present with no value specified, but store a user-specified value instead of the default if the user specifies a value. Is there already an action available for this?
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Run a single Maven plugin execution?
I thought I was an experienced Maven user, but I am having a mental block on how to do this!
2 Answers
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What do helper and helper_method do?
...ods defined in the controller to make them available for the view. This is used for any method that you need to access from both controllers and helpers/views (standard helper methods are not available in controllers). e.g. common use case:
#application_controller.rb
def current_user
@current_use...
How to import and use different packages of the same name in Go language?
For example, I want to use both text/template and html/template in one source file.
But the code below throw errors.
2 Ans...
How to go to a specific file in Chrome Developer Tools?
I am developing a web application with a heavy front-end approach. By using Dojo and the AMD-way, I currently have testing screens which may easily load over a hundred different javascript files.
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How to uncompress a tar.gz in another directory
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You can use the option -C (or --directory if you prefer long options) to give the target directory of your choice in case you are using the Gnu version of tar. The directory should exist:
mkdir foo
tar -xzf bar.tar.gz -C foo
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