大约有 40,000 项符合查询结果（耗时：0.0260秒） [XML]
How to get a variable value if variable name is stored as string?
...ariable_value="\$$variable_name"
fi
echo "$variable_value"
}
test=123
get_value_of test
# 123
test="\$(echo \"something nasty\")"
get_value_of test
# $(echo "something nasty")
share
|
impr...
How to force R to use a specified factor level as reference in a regression?
...
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 ...
How do I fetch a single model in Backbone?
...ers with the hashbang in your URL like so, http://www.mydomain.com/#clocks/123 , but it should work even if you haven't yet.
share
|
improve this answer
|
follow
...
Array initialization syntax when not in a declaration
...answered Mar 25 '16 at 4:04
user123user123
7344 bronze badges
add a co...
Basic HTTP authentication with Node and Express 4
...xpress-basic-auth');
app.use(basicAuth({
users: { admin: 'supersecret123' },
challenge: true // <--- needed to actually show the login dialog!
}));
share
|
improve this answer
...
How to implement a ConfigurationSection with a ConfigurationElementCollection
...t;SecondaryAgent Address="10.5.64.7" Port="3570"/>
<Site Id="123" />
<Lanes>
<Lane Id="1" PointId="north" Direction="Entry"/>
<Lane Id="2" PointId="south" Direction="Exit"/>
</Lanes>
</CustomApplicationConfig>
then...
Python equivalent of D3.js
...wered Oct 10 '13 at 19:28
sk8asd123sk8asd123
1,3851212 silver badges1313 bronze badges
...
Understanding the map function
...s, but the map returns a map object - for example I get this: <map at 0x123a49978> Which I then must coerce into a list.
– leerssej
Dec 3 '19 at 6:18
add a comment
...
Which letter of the English alphabet takes up most pixels?
...
123
Further to Ned Batchelder's awesomely practical answer, because I came here wondering about di...
How do I remove diacritics (accents) from a string in .NET?
...
Or probably more efficiently c < 123. see ASCI
– Christian Gollhardt
Jan 5 '18 at 17:56
add a comment
|
...