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How to place the ~/.composer/vendor/bin directory in your PATH?
...and it worked for me.
curl -sS https://getcomposer.org/installer | sudo php -- --install-dir=/usr/local/bin --filename=composer
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How do I remove the Devise route to sign up?
...happen for two reasons:
1) You forgot to wrap your route inside the scope block. For example:
devise_scope :user do
match "/some/route" => "some_devise_controller"
end
2) You are testing a Devise controller bypassing the router.
If so, you can explicitly tell Devise which mapping ...
Rails raw SQL example
...an execute raw query using ActiveRecord. And I will suggest to go with SQL block
query = <<-SQL
SELECT *
FROM payment_details
INNER JOIN projects
ON projects.id = payment_details.project_id
ORDER BY payment_details.created_at DESC
SQL
result = ActiveRecord::Base.connect...
jQuery Validate Plugin - How to create a simple custom rule?
... type: "POST",
url: "http://"+location.host+"/checkUser.php",
data: "checkUsername="+value,
dataType:"html",
success: function(msg)
{
//If username exists, set response to true
...
What's the difference between Jetty and Netty?
... and UDP socket server.
So Netty is focusing on helping to write NIO/non-blocking, asynchronous network programs.
If you deal a lot with network protocols and want it to be non-blocking use Netty (usually for high-performance cases). If you want a light HTTP servlet container use Jetty.
Also s...
How to compare Unicode characters that “look alike”?
...tter µ and the other is the Micro Sign µ.
Name : MICRO SIGN
Block : Latin-1 Supplement
Category : Letter, Lowercase [Ll]
Combine : 0
BIDI : Left-to-Right [L]
Decomposition : <compat> GREEK SMALL LETTER MU (U+03BC)
Mirror : N
Index e...
Installing SciPy with pip
...ding http://www.scipy.org
Reading http://sourceforge.net/project/showfiles.php?group_id=27747&package_id=19531
Reading http://new.scipy.org/Wiki/Download
All is not lost, however; pip can install from Subversion (SVN), Git, Mercurial, and Bazaar repositories. SciPy uses SVN:
pip install svn+h...
How can I copy the output of a command directly into my clipboard?
...e Jan 24 23:00:00 EST 2017
Paste
# clipboard retained from the previous block
$ cb
Tue Jan 24 23:00:00 EST 2017
$ cb | cat
Tue Jan 24 23:00:00 EST 2017
$ cb > foo
$ cat foo
Tue Jan 24 23:00:00 EST 2017
Chaining
$ date | cb | tee updates.log
Tue Jan 24 23:11:11 EST 2017
$ cat updates.log
Tue...
Pretty graphs and charts in Python [closed]
...for Python?
I can't speak about this one, but I've used ChartDirector for PHP and it's pretty good.
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answered Sep 9 '08 at 19:13
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Postgres unique constraint vs index
...
There is a difference in locking.
Adding an index does not block read access to the table.
Adding a constraint does put a table lock (so all selects are blocked) since it is added via ALTER TABLE.
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