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When to use nested classes and classes nested in modules?
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As for your second observation, classes nested inside of modules are generally used to namespace the classes. For instance:
module ActiveRecord
class Base
end
end
differs from
module ActionMailer
class Base
end
end
Although this is not the only use of classes nested inside of modules,...
Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
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Such a nice answer for aggregating kill statements all together. I would use a cursor to kill each process, which of course is not efficient at all. The technique used in this answer is brilliant.
– Saeed Neamati
Mar 2 '14 at 6:27
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Repeat command automatically in Linux
...ive option makes highlighting "sticky", presenting a
running display of all positions that have ever changed. The -t
or --no-title option turns off the header showing the interval,
command, and current time at the top of the display, as well as the
following blank line.
Linux/Unix ma...
grid controls for ASP.NET MVC? [closed]
...e some JQuery here and there for some niceties like pagination and that is all we really need.
If you need something a little more fully featured you could check out ExtJs grids here.
Also MvcContrib has a grid implementation that you could check out - try here. Or more specifically here.
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Regex: Remove lines containing “help”, etc
...ve a long document of commands. Using Notepad++ or regex, I want to delete all lines containing "help" including keyboard_help, etc.
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Disable ActiveRecord for Rails 4
...qlite3, etc.)
2. Change your config/application.rb
Remove require 'rails/all line and require frameworks (among those available in your rails version, the list varies, do not just copy) you want to use, for example:
require "action_controller/railtie"
require "action_mailer/railtie"
require "spro...
git pull error :error: remote ref is at but expected
...he case-insensitive issue on Windows caused the problem. I fixed it by manually removing the ref in .git\refs\remotes\origin folder and then git pull again.
– Roy Ling
Apr 13 '15 at 5:14
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Propagate all arguments in a bash shell script
I am writing a very simple script that calls another script, and I need to propagate the parameters from my current script to the script I am executing.
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HTML “overlay” which allows clicks to fall through to elements behind it [duplicate]
... overflow:visible; combining this with pointer-events:none; seems to cover all the bases.
.overlay {
height:0px;
overflow:visible;
pointer-events:none;
background:none !important;
}
share
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Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?
...base engine is configured to accept remote connections:
Start > All Programs > SQL Server 2005 > Configuration Tools > SQL Server Surface Area Configuration
Click on Surface Area Configuration for Services and Connections
Select the instance that is having a problem > Data...