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Websocket API to replace REST API?
...ackbone.js/express/connect/jade/redis with authentication, Joyent hosting, etc:
http://fzysqr.com/2011/02/28/nodechat-js-using-node-js-backbone-js-socket-io-and-redis-to-make-a-real-time-chat-app/
http://fzysqr.com/2011/03/27/nodechat-js-continued-authentication-profiles-ponies-and-a-meaner-socket...
ActiveModel::ForbiddenAttributesError when creating new user
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ActiveAdmin.register Api::V1::Person do
permit_params :name, :address, :etc
end
These need to be set along with those in the controller:
def api_v1_person_params
params.require(:api_v1_person).permit(:name, :address, :etc)
end
Otherwise you will get the error:
ActiveModel::ForbiddenAttrib...
Iterator Loop vs index loop [duplicate]
... be to use a combination of STL algorithms (e.g. find, sort, remove, copy) etc. that carries out the computation that you have in mind on your data structure (vector, list, map etc.), and to supply that algorithm with iterators into your container.
Your particular example could be written as a comb...
Get a CSS value with JavaScript
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You can use getComputedStyle().
var element = document.getElementById('image_1'),
style = window.getComputedStyle(element),
top = style.getPropertyValue('top');
jsFiddle.
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Understanding Spliterator, Collector and Stream in Java 8
...to work on one part of the collection, one thread to work on another part, etc.
You should essentially never be saving values of type Stream to a variable, either. Stream is sort of like an Iterator, in that it's a one-time-use object that you'll almost always use in a fluent chain, as in the Java...
Correct file permissions for WordPress [closed]
... “web server process”. User account is your Linux user (ssh, ftp user, etc.)
– Daniel Bang
Jul 2 '15 at 17:49
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In vim, how do I get a file to open at the same line number I closed it at last time?
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From Ubuntu's /etc/vim/vimrc file, this example is commented out:
" Uncomment the following to have Vim jump to the last position when
" reopening a file
if has("autocmd")
au BufRead...
How to read integer value from the standard input in Java
... num = in.nextInt();
It can also tokenize input with regular expression, etc. The API has examples and there are many others in this site (e.g. How do I keep a scanner from throwing exceptions when the wrong type is entered?).
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How do I turn off PHP Notices?
... the command line php, set
error_reporting = E_ALL & ~E_NOTICE
in /etc/php5/cli/php.ini
command php execution then ommits the notices.
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How to change the session timeout in PHP?
...gc_probability=0 by default in the configuration, and is instead done via /etc/cron.d/php, which runs at XX:09 and XX:39 (that is, every half hour). This cron job looks for sessions older than the session.gc_maxlifetime specified in the configuration, and if any are found, they are deleted. As a con...