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Where can I get a list of Ansible pre-defined variables?
I see that Ansible provide some pre-defined variables that we can use in playbooks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me?
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How to use hex color values
I am trying to use hex color values in Swift, instead of the few standard ones that UIColor allows you to use, but I have no idea how to do it.
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httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
I tried to restart my Apache server on CentOS 5.0 and got this message:
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Test if a command outputs an empty string
How can I test if a command outputs an empty string?
11 Answers
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dropping infinite values from dataframes in pandas?
what is the quickest/simplest way to drop nan and inf/-inf values from a pandas DataFrame without resetting mode.use_inf_as_null ? I'd like to be able to use the subset and how arguments of dropna , except with inf values considered missing, like:
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In Ruby how do I generate a long string of repeated text?
What is the best way to generate a long string quickly in ruby? This works, but is very slow:
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How to get first element in a list of tuples?
I have a list like below where the first element is the id and the other is a string:
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Gradients on UIView and UILabels On iPhone [duplicate]
My application needs to display text in either a UIView or UILabel but the back ground must be a gradient as opposed to a true UIColor . Using a graphics program to create desired look is no good as the text may vary depending on data returned from a server.
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Javascript seconds to minutes and seconds
This is a common problem but I'm not sure how to solve it. The code below works fine.
27 Answers
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