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extract part of a string using bash/cut/split
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To extract joebloggs from this string in bash using parameter expansion without any extra processes...
MYVAR="/var/cpanel/users/joebloggs:DNS9=domain.com"
NAME=${MYVAR%:*} # retain the part before the colon
NAME=${NAME##*/} # retain the part af...
How to override to_json in Rails?
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You are getting ArgumentError: wrong number of arguments (1 for 0) because to_json needs to be overridden with one parameter, the options hash.
def to_json(options)
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end
Longer explanation of to_json, as_json, and rendering:
In Active...
Is there a way to force ASP.NET Web API to return plain text?
I need to get a response back in plain text from a ASP.NET Web API controller.
6 Answers
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In Go's http package, how do I get the query string on a POST request?
I'm using the http package from Go to deal with POST request. How can I access and parse the content of the query string from the Request object ? I can't find the answer from the official documentation.
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Why don't Java Generics support primitive types?
Why do generics in Java work with classes but not with primitive types?
6 Answers
6
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How to detect the device orientation using CSS media queries?
In JavaScript the orientation mode can be detected using:
5 Answers
5
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Auto-loading lib files in Rails 4
I use the following line in an initializer to autoload code in my /lib directory during development:
4 Answers
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Enums and Constants. Which to use when?
I was doing some reading on enums and find them very similar to declaring constants. How would I know when to use a constant rather than an enum or vice versa. What are some of the advantages of using enums?
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Git push/clone to new server
I'm just learning Git and there is something I can't work out. After creating and using a git repository locally on my Mac, can I push a copy to another server somewhere else? I am behind a firewall so unfortunately I can't run git clone from the other machine.
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Iterate over object keys in node.js
...ode.js). We will get this eventually.
The only solution is finding a node module that extends V8 to implement iterators (and probably generators). I couldn't find any implementation. You can look at the spidermonkey source code and try writing it in C++ as a V8 extension.
You could try the followi...