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How get integer value from a enum in Rails?
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You can get the integer values for an enum from the class the enum is on:
Model.sale_infos # Pluralized version of the enum attribute name
That returns a hash like:
{ "plan_1" => 1, "plan_2" => 2 ... }
You can then use the sale_info value from an instance ...
Remove empty elements from an array in Javascript
How do I remove empty elements from an array in JavaScript?
44 Answers
44
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What is the difference between old style and new style classes in Python?
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From New-style and classic classes:
Up to Python 2.1, old-style classes were the only flavour available to the user.
The concept of (old-style) class is unrelated to the concept of type:
if x is an instance of an o...
My pull request has been merged, what to do next?
I recently participated in a project from GitHub. I did the following:
2 Answers
2
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How to get the last N records in mongodb?
...een documented this. By default, the find() operation will get the records from beginning. How can I get the last N records in mongodb?
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Call a “local” function within module.exports from another function in module.exports?
How do you call a function from within another function in a module.exports declaration?
8 Answers
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Removing numbers from string [closed]
How can I remove digits from a string?
8 Answers
8
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How do I prevent the padding property from changing width or height in CSS?
... in your newdiv with width: auto and margin-left: 20px
Remove the padding from newdiv.
The W3 Box model page has good info.
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How to remove local (untracked) files from the current Git working tree
How do you delete untracked local files from your current working tree?
38 Answers
38
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How can I extract all values from a dictionary in Python?
... if isinstance(d, dict):
for v in d.values():
yield from get_all_values(v)
elif isinstance(d, list):
for v in d:
yield from get_all_values(v)
else:
yield d
An example:
d = {'a': 1, 'b': {'c': 2, 'd': [3, 4]}, 'e': [{'f': 5}, {'g': 6}]}
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