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Can a dictionary be passed to django models on create?
...alled owner, then your data_dict should have an owner_id field. But django.forms.model_to_dict() returns a dict with an owner field. So you can't do MyModel(**model_to_dict(my_instance)); you have to rename the owner field to owner_id.
– cberzan
Mar 2 '12 at 1:...
What is the “reactor” in Maven?
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How did this person code “Hello World” with Microsoft Paint?
...are used to represent colors (i.e. none of them are "mandated" by the file format2, they all come from the color of each pixel), and there's a perfect 1:1 correspondence between pixel colors and bytes written in the file; thus, using perfectly chosen colors you can actually write anything you want i...
How do I combine two data frames?
...with big data and need to concatenate multiple datasets. concat can get performance-intensive, so if you don't want to create a new df each time, you can instead use a list comprehension:
frames = [ process_file(f) for f in dataset_files ]
result = pd.append(frames)
(as pointed out here in the do...
Why is Cache-Control attribute sent in request header (client to server)?
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How do I use the includes method in lodash to check if an object is in the collection?
...
The includes (formerly called contains and include) method compares objects by reference (or more precisely, with ===). Because the two object literals of {"b": 2} in your example represent different instances, they are not equal. Notice:
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jQuery selector for inputs with square brackets in the name attribute
...a matter of using regular expressions. This is very useful when submitting form data directly to an array or list within your favorite view framework. That also helped me answering the question about deleting objects with multiple primary key elements. ;)
– Luiz Feijão Verone...
Sorting Python list based on the length of the string
...
The same as in Eli's answer - just using a shorter form, because you can skip a lambda part here.
Creating new list:
>>> xs = ['dddd','a','bb','ccc']
>>> sorted(xs, key=len)
['a', 'bb', 'ccc', 'dddd']
In-place sorting:
>>> xs.sort(key=len)
>...
How to check if a user likes my Facebook Page or URL using Facebook's API
...tent. For example - this is ALLOWED: "Like Us to see the competition entry form". And this is NOT ALLOWED: "Like Us and you will be automatically entered into our competition".
– Chris Jacob
Mar 13 '12 at 1:29
...
Leading zeros for Int in Swift
... myInt in 1 ... 3 {
print(String(format: "%02d", myInt))
}
output:
01
02
03
This requires import Foundation so technically it is not a part of the Swift language but a capability provided by the Foundation framework. Note that both import UIKit and import Cocoa include Foundation so it i...