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Rails: How to get the model class name based on the controller class name?
...will do it:
class HouseBuyersController < ApplicationController
def index
@model_name = controller_name.classify
end
end
This is often needed when abstracting controller actions:
class HouseBuyersController < ApplicationController
def index
# Equivalent of @house_buyers = ...
zsh compinit: insecure directories
...share/zsh
$ sudo chmod -R 755 ./site-functions
Credit: a post on zsh mailing list
EDIT: As pointed out by @biocyberman in the comments. You may need to update the owner of site-functions as well:
$ sudo chown -R root:root ./site-functions
On my machine (OSX 10.9), I do not need to do this bu...
Create a dictionary on a list with grouping
I have the following object in a list:
4 Answers
4
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Rails migrations: self.up and self.down versus change
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For many operations rails can guess what is the inverse operation (without problems). For example, in your case what is the reverse operation of add_column to call when you rollback? Of course it's remove_column. What is the inverse of create_table? It's drop_table. So in ...
When does static class initialization happen?
When are static fields initialized? If I never instantiate a class, but I access a static field, are ALL the static blocks and private static methods used to instantiate private static fields called (in order) at that instant?
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Java: PrintStream to String?
I have a function that takes an object of a certain type, and a PrintStream to which to print, and outputs a representation of that object. How can I capture this function's output in a String? Specifically, I want to use it as in a toString method.
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Git submodule inside of a submodule (nested submodules)
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As mentioned in Retrospectively add --recursive to a git repo
git submodule update --init --recursive
should work.
share
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improve th...
How do I use CMake?
I am trying to use CMake in order to compile opencv.
4 Answers
4
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Read input from console in Ruby?
I want to write a simple A+B program in ruby, but I have no idea how to work with the console.
5 Answers
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Postgresql - change the size of a varchar column to lower length
... it to a varchar(40) .
Basically, I would like to change my column by running the following command:
9 Answers
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