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Associativity of “in” in Python?
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123
1 in [] in 'a' is evaluated as (1 in []) and ([] in 'a').
Since the first condition (1 in []...
Find number of months between two Dates in Ruby on Rails
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12 Answers
12
Active
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Drop shadow for PNG image in CSS
...refox) and DX filters for IE.
.shadowed {
-webkit-filter: drop-shadow(12px 12px 25px rgba(0,0,0,0.5));
filter: url(#drop-shadow);
-ms-filter: "progid:DXImageTransform.Microsoft.Dropshadow(OffX=12, OffY=12, Color='#444')";
filter: "progid:DXImageTransform.Microsoft.Dropshadow(OffX=12...
how to solve “ruby installation is missing psych” error?
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In my case
rvm pkg install libyaml
and
rvm reinstall ruby-1.9.3-p125
solved the problem.
For people using Ubuntu, make sure that libtool is installed prior to the steps above:
sudo apt-get install libtool
For macOS users (with homebrew):
rm -rf /usr/local/lib/ruby/gems/ && b...
make_unique and perfect forwarding
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answered Mar 11 '12 at 19:06
Johan RådeJohan Råde
17.7k1919 gold badges5959 silver badges103103 bronze badges
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MySql: Tinyint (2) vs tinyint(1) - what is the difference?
... range of values for that particular type, i.e. TINYINT(1) still accepts [-128 .. 127].
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Can code that is valid in both C and C++ produce different behavior when compiled in each language?
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answered Oct 14 '12 at 23:57
Alexey FrunzeAlexey Frunze
56.8k99 gold badges6666 silver badges154154 bronze badges
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Rails 2.3-style plugins and deprecation warnings running task in Heroku
... applications ..
To avoid this
injection in Rails 3, include the rails_12factor gem in your
application. (Heroku Ruby Support 2013-10-26)
The rails_12factor gem is also required in rails 4.
If this gem is not present in your application, you will receive a
warning while deploying, and ...
How do I change Bootstrap 3 column order on mobile layout?
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edited Dec 4 '18 at 12:35
answered Mar 22 '17 at 16:44
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throw new std::exception vs throw std::exception
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Jarod42
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answered Jun 9 '12 at 20:44
CB BaileyCB Bail...