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Auto-loading lib files in Rails 4
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+100
I think this may solve your problem:
in config/application.rb:
config.autoload_paths << Rails.root.join('lib')
and keep t...
IN vs OR in the SQL WHERE Clause
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174
I assume you want to know the performance difference between the following:
WHERE foo IN ('a'...
Pass correct “this” context to setTimeout callback?
... I want to call this.tip.destroy() if this.options.destroyOnHide after 1000 ms. How can I do that?
5 Answers
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Psql list all tables
...tacl, E'\n') AS "Access privileges"
FROM pg_catalog.pg_database d
ORDER BY 1;
**************************
so you can see that psql is searching pg_catalog.pg_database when it gets a list of databases. Similarly, for tables within a given database:
SELECT n.nspname as "Schema",
c.relname as "Name...
UIButton title text color
...tive-C
[headingButton setTitleColor:[UIColor colorWithRed:36/255.0 green:71/255.0 blue:113/255.0 alpha:1.0] forState:UIControlStateNormal];
Swift
headingButton.setTitleColor(.black, for: .normal)
share
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What do the python file extensions, .pyc .pyd .pyo stand for?
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491
.py: This is normally the input source code that you've written.
.pyc: This is the compiled byt...
Difference between `const shared_ptr` and `shared_ptr`?
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176
You are right. shared_ptr<const T> p; is similar to const T * p; (or, equivalently, T co...
What is the right way to override a setter method in Ruby on Rails?
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Update: July 19, 2017
Now the Rails documentation is also suggesting to use super like this:
class Model < ActiveRecord::Base
def attribute_name=(value)
# custom actions
###
super(value)
end
end
==================...
Fixing the order of facets in ggplot
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143
Make your size a factor in your dataframe by:
temp$size_f = factor(temp$size, levels=c('50%',...
How to create an exit message
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edited Feb 3 '17 at 17:31
the Tin Man
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