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In Python, how can you load YAML mappings as OrderedDicts?
I'd like to get PyYAML 's loader to load mappings (and ordered mappings) into the Python 2.7+ OrderedDict type, instead of the vanilla dict and the list of pairs it currently uses.
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Setting different color for each series in scatter plot on matplotlib
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I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array easily enough:
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.cm as cm
x = np.arange(10)
ys = [i+x+(i*x)**2 for i in range(10)]
colors = cm.rainbow(np.linspace(0, 1, len(ys)))
f...
Calculate date from week number
...date of the first day in the week (monday here in Europe). I know the year and the week number? I'm going to do this in C#.
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How to create and handle composite primary key in JPA
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You can make an Embedded class, which contains your two keys, and then have a reference to that class as EmbeddedId in your Entity.
You would need the @EmbeddedId and @Embeddable annotations.
@Entity
public class YourEntity {
@EmbeddedId
private MyKey myKey;
@Column(name ...
Pick a random element from an array
Suppose I have an array and I want to pick one element at random.
16 Answers
16
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How to use chrome web inspector to view hover code
... hover code for a button? You will have to hover the mouse over the button and thus cannot use it (mouse) in the inspector. Are there any shortcuts or other ways to accomplish this in the inspector?
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Get exception description and stack trace which caused an exception, all as a string
I've seen a lot of posts about stack trace and exceptions in Python. But haven't found what I need.
11 Answers
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Turning a Comma Separated string into individual rows
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@NickW this may be because the parts before and after UNION ALL return different types from the LEFT function. Personally I don't see why you wouldn't jump to MAX once you get to 4000...
– RichardTheKiwi
Feb 22 '12 at 8:35
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What is Node.js? [closed]
...because I am mainly a web based business application developer. What is it and what is the use of it?
10 Answers
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Where do you include the jQuery library from? Google JSAPI? CDN?
There are a few ways to include jQuery and jQuery UI and I'm wondering what people are using?
16 Answers
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