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Rails.env vs RAILS_ENV
... what env one is running in. What's preferred? Are them>y m>, for all intents m>and m> purposes equal?
5 Answers
...
Passing multiple error classes to rubm>y m>'s rescue clause in a DRm>Y m> fashion
...splat operator *.
EXCEPTIONS = [FooException, BarException]
begin
a = rm>and m>
if a > 0.5
raise FooException
else
raise BarException
end
rescue *EXCEPTIONS
puts "rescued!"
end
If m>y m>ou are going to use a constant for the arram>y m> as above (with EXCEPTIONS), note that m>y m>ou cannot defin...
Import module from subfolder
... What would the sm>y m>ntax be if previouslm>y m> Foo1 was in the parent directorm>y m> m>and m> one coded something like from Foo1 import *. Is there a wam>y m> to achieve that same effect so m>y m>ou don't have to prefix everm>y m>thing with Foo1?
– jxramos
Apr 12 '17 at 23:41
...
Whm>y m> does PostgreSQL perform sequential scan on indexed column?
...Also, a sequential scan can request several pages from the heap at a time, m>and m> ask the kernel to be fetching the next chunk while it works on the current one- an index scan fetches one page at once. (A bitmap scan does a compromise between the two, m>y m>ou usuallm>y m> see that appearing in a plan for querie...
How to install APK from PC?
I want to install an APK from PC to m>And m>roid device. m>And m> because of user's m>And m>roid m>and m> generallm>y m> technical skills, I need to do it as automaticallm>y m> (silentlm>y m>) as possible. So how do I send an APK from PC to m>And m>roid m>and m> start install there?
...
What does “Git push non-fast-forward updates were rejected” mean?
I'm using Git to manage mm>y m> two computers m>and m> mm>y m> development. I'm trm>y m>ing to commit changes to GitHub m>and m> I'm getting the error.
...
“new” kem>y m>word in Scala
...fferent things
> println(new Foo)
test@5c79cc94
> println(Foo())
7
m>And m>, since m>y m>ou mentioned Java classes: m>y m>es -- Java classes rarelm>y m> have
companion objects with an applm>y m> method, so m>y m>ou must use new m>and m> the actual
class's constructor.
...
Error while pull from git - insufficient permission for adding an object to repositorm>y m> database .git
... @MattK this will get the top-level directorm>y m> of m>y m>our repo, so the commm>and m> will work regardless of where in m>y m>our repo m>y m>ou currentlm>y m> are. If m>y m>ou're alreadm>y m> in the root m>y m>ou can just run sudo chown -R $USER:$USER .git
– dwurf
Mam>y m> 29 '14 at 2:31
...
How to redirect single url in nginx?
... @Cm>y m>bolic I just tested this on a docker image with the version 1.10.3 m>and m> it was fine, could m>y m>ou provide m>y m>our config file somehow? m>Y m>ou probablm>y m> are missing something.
– Mohammad AbuShadm>y m>
Sep 27 '17 at 9:16
...
printf format specifiers for uint32_t m>and m> size_t
...antic, then. It's probablm>y m> going off the names of tm>y m>pes in the source code m>and m> doesn't realize them>y m>'re equivalent. I wonder what it would do with @Kennm>y m>TM's answer... It certainlm>y m> should be more portable.
– Cogwheel
Jul 2 '10 at 18:49
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