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How can I call controller/view helper methods from the console in Ruby on Rails?
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To call helpers, use the helper object:
$ ./script/console
>> helper.number_to_currency('123.45')
=> "R$ 123,45"
If you want to use a helper that's not included by default (say, because you removed helper :all from Ap...
How can I include a YAML file inside another?
...ve added an answer below...hope it helps.
– daveaspinall
Aug 19 '15 at 9:39
1
If you're using Rai...
How to check if object (variable) is defined in R?
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heh. Happens to me all the time when I am testing out examples before posting, Gavin or Josh have already answered it.
– Maiasaura
Feb 20 '12 at 22:17
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How do I create a simple 'Hello World' module in Magento?
...perienced programmer or don't have access to an experienced programmer (ideally in PHP and Java), pick another cart. Magento is well engineered, but it was engineered to be a shopping cart solution that other programmers can build modules on top of. It was not engineered to be easily understood by p...
How to set environment variables in Python?
I need to set some environment variables in the Python script and I want all the other scripts that are called from Python to see the environment variables' set.
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how to “reimport” module to python then code be changed after import
I have a foo.py
4 Answers
4
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class method generates “TypeError: … got multiple values for keyword argument …”
... is called, typically labelled self. If the class is declared thus:
class foo(object):
def foodo(self, thing=None, thong='not underwear'):
print thing if thing else "nothing"
print 'a thong is',thong
it behaves as expected.
Explanation:
Without self as the first parameter, when myfo...
Parse a .py file, read the AST, modify it, then write back the modified source code
I want to programmatically edit python source code. Basically I want to read a .py file, generate the AST , and then write back the modified python source code (i.e. another .py file).
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How do you add a Dictionary of items into another Dictionary
...n drop the @assignment and return, you're already mutating left. Edit: actually, even though I get no errors, I think @assignment should stay.
– Roland
Jun 9 '14 at 12:02
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Can mustache iterate a top-level array?
...he.render('<ul>{{#.}}<li>{{.}}</li>{{/.}}</ul>', ['foo','bar','baz']);
It also works for things like this...
var obj = [{name: 'foo'}, {name: 'bar'}];
var tmp = '<ul>{{#.}}<li>{{name}}</li>{{/.}}</ul>';
Mustache.render(tmp, obj);
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