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class
... << self
alias process_hook process_state_1
end
end
# Set up initial state
alias process_hook process_state_1
end
So, in the example above, each instance of StateMachineExample has process_hook aliased to process_state_1, but note how in the latter, it can redefine process_h...
Difference between a Seq and a List in Scala
...e Collections.unmodifiableList() and similarly there are other methods for Sets, Maps etc. docs.oracle.com/javase/6/docs/api/java/util/…
– jbx
Nov 14 '13 at 16:16
27
...
JavaScript equivalent of jQuery's extend method
...bject. Each of those objects contains properties that essentially work as settings for the rest of the code within the function. In order to prevent having to specify all of the settings within the config object, I use jQuery's extend method to fill in a new object, settings with any default...
Create a tar.xz in one command
...keep the original file and -9 for really heavy compression. -z to manually set xz to zip, though it defaults to zipping if not otherwise directed.
To uncompress and untar
To echo Rafael van Horn, to uncompress & untar (see note below):
xz -dc baz.tar.xz | tar x
Note: unlike Rafael's answ...
How to multiply duration by integer?
...e your variable addOneHrDuration of time time.Duration but then proceed to set it to 3600 ns not to one hour. A time.Duration happens to have base units of nanoseconds. To actually get a one hour duration you could do something like: const oneHourDuration = 60 * time.Hour (or 3600 * time.Second or t...
Emulator error: This AVD's configuration is missing a kernel file
...sure that location is correct.
In my case, ANDROID_SDK_ROOT was initially set incorrectly to my home directory. This is because I set it that way by blindly following the Sony Tablet S SDK install instructions and adding an ANDROID_SDK_ROOT environment variable with the incorrect path.
...
Custom error pages on asp.net MVC3
...o deploy like that, and when you need to test your custom error page you'd set it to <customErrors mode="On" /> so you can verify that it works.
Note you also need to check if HttpContext.Current is null because an exception in Application_Start will still his this method although there won't...
What's the best way of structuring data on firebase?
...to keep the synchronized clients in check)
A simple example will probably set you in the right state of mind, so here goes:
/users/uid
/users/uid/email
/users/uid/messages
/users/uid/widgets
Now, since we're in a hierarchical structure, if I want to iterate users' email addresses, I do something...
Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?
...rd to make that tweak do the real work... Scott Meyers has done a good job setting pretty straightforward rules for forwarding (the use of universal references).
– Mark Garcia
Feb 3 '14 at 6:05
...
How to swap files between windows in VIM?
...ufhidden
endfunction
function! HDeleteWindow()
call HYankWindow()
set bufhidden=hide
close
endfunction
function! HPasteWindow(direction)
let old_buffer = bufnr('%')
call HOpen(a:direction,['buffer',g:buffer])
let g:buffer = old_buffer
let &bufhidden = g:bufhidden
en...