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How do I start my app on startup?
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answered Jun 17 '11 at 21:23
Sean SchulteSean Schulte
3,73511 gold badge1414 silver badges66 bronze badges
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List of installed gems?
...# s.authors = ["David Heinemeier Hansson"]
# s.date = Time.utc(2013, 12, 3)
# s.dependencies = [Gem::Dependency.new("actionpack",
# Gem::Requirement.new(["= 4.0.2"]),
# :runtime),
# Gem::Dependency.new("mail",
# Gem::Requirement.new(["~> 2.5.4"]),
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Correct way to pass multiple values for same parameter name in GET request
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172
Indeed, there is no defined standard. To support that information, have a look at wikipedia, in ...
Speed up the loop operation in R
...possible. I took your function, change indexing and here version_A
dayloop2_A <- function(temp){
res <- numeric(nrow(temp))
for (i in 1:nrow(temp)){
res[i] <- i
if (i > 1) {
if ((temp[i,6] == temp[i-1,6]) & (temp[i,3] == temp[i-1,...
Python nonlocal statement
...using nonlocal:
x = 0
def outer():
x = 1
def inner():
x = 2
print("inner:", x)
inner()
print("outer:", x)
outer()
print("global:", x)
# inner: 2
# outer: 1
# global: 0
To this, using nonlocal, where inner()'s x is now also outer()'s x:
x = 0
def outer():
x ...
Why doesn't list have safe “get” method like dictionary?
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12 Answers
12
Active
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Uninstall old versions of Ruby gems
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edited Dec 28 '13 at 23:39
Steven Penny
76.1k4545 gold badges296296 silver badges336336 bronze badges
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