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Convert light frequency to RGB?
Does anyone know of any formula for converting a light frequency to an RGB value?
9 Answers
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Property getters and setters
...rs and Getters apply to computed properties; such properties do not have storage in the instance - the value from the getter is meant to be computed from other instance properties. In your case, there is no x to be assigned.
Explicitly: "How can I do this without explicit backing ivars". You can'...
PHP function to generate v4 UUID
...en able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a valid v4 UUID up until one area. A v4 UUID should be in the form of:
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Using Spring MVC Test to unit test multipart POST request
I have the following request handler for saving autos. I have verified that this works when I use e.g. cURL. Now I want to unit test the method with Spring MVC Test. I have tried to use the fileUploader, but I am not managing to get it working. Nor do I manage to add the JSON part.
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What IDE to use for Python? [closed]
What IDEs ("GUIs/editors") do others use for Python coding?
1 Answer
1
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Do rails rake tasks provide access to ActiveRecord models?
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model name has to follow with all and it does not work without it like TodoList.all.each not TodoList.each idk why it seems working?
– Kick Buttowski
Jul 4 '18 at 2:08
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Best way to structure a tkinter application? [closed]
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I advocate an object oriented approach. This is the template that I start out with:
# Use Tkinter for python 2, tkinter for python 3
import tkinter as tk
class MainApplication(tk.Frame):
def __init__(self, parent, *args, **kwargs):
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Understanding the Rails Authenticity Token
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What happens
When the user views a form to create, update, or destroy a resource, the Rails app creates a random authenticity_token, stores this token in the session, and places it in a hidden field in the form. When the user submits the form, Rails looks for t...
Cross-reference (named anchor) in markdown
Is there markdown syntax for the equivalent of:
10 Answers
10
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delegate keyword vs. lambda notation
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Short answer : no.
Longer answer that may not be relevant:
If you assign the lambda to a delegate type (such as Func or Action) you'll get an anonymous delegate.
If you assign the lambda to an Expression type, you'll get a...