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Flatten nested dictionaries, compressing keys
...;> flatten({'a': 1, 'c': {'a': 2, 'b': {'x': 5, 'y' : 10}}, 'd': [1, 2, 3]})
{'a': 1, 'c_a': 2, 'c_b_x': 5, 'd': [1, 2, 3], 'c_b_y': 10}
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How can I change Eclipse theme?
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edited Oct 14 '19 at 21:23
chrips
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answered Nov ...
Overloading member access operators ->, .*
...->() const
{ return * target; }
};
void f() {
client x = { 3 };
proxy y = { & x };
proxy2 z = { & y };
std::cout << x.a << y->a << z->a; // print "333"
}
->*
This one is only tricky in that there is nothing special about it. The non-...
How to find the JVM version from a program?
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AlexRAlexR
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ImportError: No module named pip
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I had the same problem.
My solution:
For Python 3
sudo apt-get install python3-pip
For Python 2
sudo apt-get install python-pip
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Peak signal detection in realtime timeseries data
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33 Answers
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How to make Regular expression into non-greedy?
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3 Answers
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How do I do a case-insensitive string comparison?
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Guillaume Jacquenot
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answered Nov 26 '08 at 1:09
Harley HolcombeHarley Holcombe
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How to force R to use a specified factor level as reference in a regression?
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See the relevel() function. Here is an example:
set.seed(123)
x <- rnorm(100)
DF <- data.frame(x = x,
y = 4 + (1.5*x) + rnorm(100, sd = 2),
b = gl(5, 20))
head(DF)
str(DF)
m1 <- lm(y ~ x + b, data = DF)
summary(m1)
Now alter the factor b ...