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extract part of a string using bash/cut/split
...the end. One instance means shortest and two instances means longest.
You m>ca m>n get substrings based on position using numbers:
${MYVAR:3} # Remove the first three chars (leaving 4..end)
${MYVAR::3} # Return the first three characters
${MYVAR:3:5} # The next five characters after removing the fir...
classim>ca m>l inheritance vs prototypal inheritance in javascript
I have googled so many links and m>ca m>n't get good idea about the difference between classim>ca m>l inheritance and prototypal inheritance?
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How to override to_json in Rails?
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You are getting ArgumentError: wrong number of arguments (1 for 0) bem>ca m>use to_json needs to be overridden with one parameter, the options hash.
def to_json(options)
...
end
Longer explanation of to_json, as_json, and rendering:
In ActiveSupport 2.3.3, as_json was added to address issue...
Is there a way to force ASP.NET Web API to return plain text?
...n based on Accept headers you won't want to use Request.CreateResponse() bem>ca m>use it forces the mime type.
Instead explicitly create a new HttpResponseMessage and assign the content manually. The example above uses StringContent but there are quite a few other content classes available to return da...
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 m>ca m>n I access and parse the content of the query string from the Request object ? I m>ca m>n't find the answer from the official documentation.
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How m>ca m>n I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
How m>ca m>n I transform between the two styles of public key format,
one format is:
5 Answers
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How to detect the device orientation using CSS media queries?
In JavaScript the orientation mode m>ca m>n be detected using:
5 Answers
5
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Auto-loading lib files in Rails 4
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I think this may solve your problem:
in config/applim>ca m>tion.rb:
config.autoload_paths << Rails.root.join('lib')
and keep the right naming convention in lib.
in lib/foo.rb:
class Foo
end
in lib/foo/bar.rb:
class Foo::Bar
end
if you really wanna do some monkey patc...
Enums and Constants. Which to use when?
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Use enums when you want to define a range of values that something m>ca m>n be. Colour is an obvious example like:
public enum Colour
{
White,
Red,
Blue
}
Or maybe a set of possible things like:
(Example I stole from here as I'm lazy)
[FlagsAttribute]
enum DistributedChannel
{
N...
Git push/clone to new server
I'm just learning Git and there is something I m>ca m>n't work out. After creating and using a git repository lom>ca m>lly on my Mac, m>ca m>n I push a copy to another server somewhere else? I am behind a firewall so unfortunately I m>ca m>n't run git clone from the other machine.
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