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Converting array to list in Java
... the Arrays.asList utility method.
Integer[] spam = new Integer[] { 1, 2, 3 };
List<Integer> list = Arrays.asList(spam);
See this code run live at IdeOne.com.
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“405 method not allowed” in IIS7.5 for “PUT” method
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answered Feb 20 '13 at 9:57
Davide IcardiDavide Icardi
10.3k77 gold badges4848 silver badges6565 bronze badges
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Which is better, number(x) or parseFloat(x)?
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318
The difference between parseFloat and Number
parseFloat/parseInt is for parsing a string, whi...
Getting the last element of a list
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3253
some_list[-1] is the shortest and most Pythonic.
In fact, you can do much more with this syn...
Override ActiveRecord attribute methods
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answered Dec 18 '08 at 22:35
Aaron LongwellAaron Longwell
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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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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 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 ...
How to make Regular expression into non-greedy?
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