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What is mattr_accessor in a Rails module?
...or generates getter/setter methods for instances, cattr/mattr_accessor provide getter/setter methods at the class or module level. Thus:
module Config
mattr_accessor :hostname
mattr_accessor :admin_email
end
is short for:
module Config
def self.hostname
@hostname
end
def self.host...
Force point (“.”) as decimal separator in java
... does as pointed out in an other answer. True that maybe have undesirable side effects as it is global, OTH as programmer what I really want is that the global default is US because everywhere else in my code where I do care about locale I do that explicitly.
– nyholku
...
why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
...ly easier to read than using escape characters. I'm a bit shocked that I didn't know the whole time that my date formats were going to get overwritten!
– Savage
Jul 28 '16 at 14:09
...
Bootstrap 3.0 - Fluid Grid that includes Fixed Column Sizes
...
There's really no easy way to mix fluid and fixed widths with Bootstrap 3. It's meant to be like this, as the grid system is designed to be a fluid, responsive thing. You could try hacking something up, but it would go against what the Responsive Grid system i...
What exactly is Python multiprocessing Module's .join() Method Doing?
...iprocessing docs as it should be, but it is mentioned in the Programming Guidelines section:
Remember also that non-daemonic processes will be automatically be
joined.
You can override this behavior by setting the daemon flag on the Process to True prior to starting the process:
p = Process...
Selecting data from two different servers in SQL Server
... OPENROWSET has BULK facilities as well that may/may not require a format file which might be fiddley
OPENQUERY: Doesn't support variables
All are T-SQL solutions. Relatively easy to implement and set up
All are dependent on connection between source and destionation which might affect performance ...
Java - Including variables within strings?
...easily reformat or even reorder the variables you input. It's easier to avoid mistakes (like 1 + "oops"), especially if you use FindBugs (which parses format strings and input parameters). And, as the asker says, in many cases it's more readable. Of course, it's a shame that the format method has be...
How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
...corresponding manual page (faqs.org/docs/bashman/bashref_56.html) which I didn't read to the end.
– Tianyi Cui
Aug 18 '10 at 22:22
...
Scaling Node.js
I'm fairly new to large-scale server-side development. I want to write a server using Node.js, but before I forge ahead I'd like to know what the general principles are for scaling node up to, say, 20 queries per second.
...
git rebase fatal: Needed a single revision
...
You need to provide the name of a branch (or other commit identifier), not the name of a remote to git rebase.
E.g.:
git rebase origin/master
not:
git rebase origin
Note, although origin should resolve to the the ref origin/HEAD when ...