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What is a “cache-friendly” code?
...erb Sutter's talk on machine architecture (youtube) (specifically check 12:00 and onwards!).
Slides about memory optimization by Christer Ericson (director of technology @ Sony)
LWN.net's article "What every programmer should know about memory"
Main concepts for cache-friendly code
A very important...
Fixing the order of facets in ggplot
...a factor in your dataframe by:
temp$size_f = factor(temp$size, levels=c('50%','100%','150%','200%'))
Then change the facet_grid(.~size) to facet_grid(.~size_f)
Then plot:
The graphs are now in the correct order.
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How can I detect if this dictionary key exists in C#?
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edited May 13 '10 at 20:38
Adam Tuttle
18.4k1616 gold badges7171 silver badges109109 bronze badges
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plot with custom text for x axis points
...xticks:
import matplotlib.pyplot as plt
import numpy as np
x = np.array([0,1,2,3])
y = np.array([20,21,22,23])
my_xticks = ['John','Arnold','Mavis','Matt']
plt.xticks(x, my_xticks)
plt.plot(x, y)
plt.show()
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What is the purpose of the Visual Studio Hosting Process?
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edited May 10 '19 at 12:54
answered Jan 15 '10 at 9:28
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Git : List all unmerged changes in git
...ting them when I don't need them any more, I have now ended up with about 50 branches ;)
3 Answers
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How to rename items in values() in Django?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered May 15 '12 at 10:45
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Error: “The node to be inserted is from a different document context”
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204
You need to import the node into the document before appending it:
XmlNode oNode = moDoc.Creat...
Get PostGIS version
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edited Mar 28 '13 at 20:19
Brad Koch
15.2k1717 gold badges9494 silver badges124124 bronze badges
ans...
How to use z-index in svg elements?
...be drawn. So swap the two elements.
<svg xmlns="http://www.w3.org/2000/svg" viewBox="30 70 160 120">
<!-- First draw the orange circle -->
<circle fill="orange" cx="100" cy="95" r="20"/>
<!-- Then draw the green circle over the current canvas -->
<...