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RVM: Uninstalling all gems of a gemset
... name.
If you want to empty the default gemset, you need to pass an empty string for the gemset name.
rvm gemset empty mygems ""
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How to call a function from a string stored in a variable?
I need to be able to call a function, but the function name is stored in a variable, is this possible? e.g:
16 Answers
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What is a Maven artifact?
...n name, like com.example.foo), an artifact ID (just a name), and a version string. The three together uniquely identify the artifact.
A project's dependencies are specified as artifacts.
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POST JSON fails with 415 Unsupported media type, Spring 3 mvc
...ication/json'
},
'type': 'POST',
'url': url,
'data': JSON.stringify(data),
'dataType': 'json',
'success': callback
});
};
The Content-Type header is used by @RequestBody to determine what format the data being sent from the client in the request is. The accept header i...
How efficient can Meteor be while sharing a huge collection among many clients?
... which watches the
database for changes; and the merge box, which combines all of a
client's active subscriptions and sends them out over the network to the
client.
Publish functions
Each time a Meteor client subscribes to a collection, the server runs a
publish function. The publish function's j...
Add a space (“ ”) after an element using :after
...` \0020` as a separate answer because some fonts, eg Font Awesome will not allow \00A0 to display a space, and if you want a space between elements rather than before or after you can't use padding
– Mousey
Oct 15 '15 at 23:02
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Benefits of prototypal inheritance over classical?
So I finally stopped dragging my feet all these years and decided to learn JavaScript "properly". One of the most head-scratching elements of the languages design is it's implementation of inheritance. Having experience in Ruby, I was really happy to see closures and dynamic typing; but for the li...
Can I do a synchronous request with volley?
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@tasomaniac Updated. This uses the JsonObjectRequest(String url, JSONObject jsonRequest, Listener<JSONObject> listener, ErrorListener errorlistener) constructor. RequestFuture<JSONObject> implements both the Listener<JSONObject> and ErrorListener interfaces, s...
how to reference a YAML “setting” from elsewhere in the same YAML file?
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Yes, using custom tags. Example in Python, making the !join tag join strings in an array:
import yaml
## define custom tag handler
def join(loader, node):
seq = loader.construct_sequence(node)
return ''.join([str(i) for i in seq])
## register the tag handler
yaml.add_constructor('!j...
Set UILabel line spacing
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Edit: Evidently NSAttributedString will do it, on iOS 6 and later. Instead of using an NSString to set the label's text, create an NSAttributedString, set attributes on it, then set it as the .attributedText on the label. The code you want will be somet...