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Is it ok to use dashes in Python files when trying to import them?
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You should check out PEP 8, the Style Guide for Python Code:
Package and Module Names Modules should have short, all-lowercase names. Underscores can be used in the module name if it improves readability. Python packages should also have short, all-lowercase names, al...
How do I convert a Vector of bytes (u8) to a string
... on the string slice (other options are available).
The library reference for the conversion function:
std::str::from_utf8
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Detecting Unsaved Changes
..." prompt in an ASP .Net application. If a user modifies controls on a web form, and attempts to navigate away before saving, a prompt should appear warning them that they have unsaved changes, and give them the option to cancel and stay on the current page. The prompt should not display if the use...
What is the syntax rule for having trailing commas in tuple definitions?
... comma is the important thing. Parentheses are only required when required for other syntactic reasons: to distinguish a tuple from a set of function arguments, operator precedence, or to allow line breaks.
The trailing comma for tuples, lists, or function arguments is good style especially when yo...
What is the most efficient way to loop through dataframes with pandas? [duplicate]
I want to perform my own complex operations on financial data in dataframes in a sequential manner.
10 Answers
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How to change field name in Django REST Framework
...ef __unicode__(self):
return '%s' % self.name
Here is Serializer for Park Model, ParkSerializer. This changes the name of alternate_name to location.
class ParkSerializer(serializers.ModelSerializer):
location = serializers.SerializerMethodField('get_alternate_name')
class Meta:...
Finding Variable Type in JavaScript
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typeof is only good for returning the "primitive" types such as number, boolean, object, string and symbols. You can also use instanceof to test if an object is of a specific type.
function MyObj(prop) {
this.prop = prop;
}
var obj = new MyO...
What are dictionary view objects?
...tems) of a dictionary. Here is an excerpt from the official documentation for Python 3:
>>> dishes = {'eggs': 2, 'sausage': 1, 'bacon': 1, 'spam': 500}
>>> keys = dishes.keys()
>>> values = dishes.values()
>>> # view objects are dynamic and reflect dict change...
Finding the index of elements based on a condition using python list comprehension
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In Python, you wouldn't use indexes for this at all, but just deal with the values—[value for value in a if value > 2]. Usually dealing with indexes means you're not doing something the best way.
If you do need an API similar to Matlab's, you would use num...
CSV API for Java [closed]
...e API that will allow me to use read a CSV input file, do some simple transformations, and then write it.
10 Answers
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