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Vijay Kiran vijaykiran

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vijaykiran / gist:951719
Created May 2, 2011 14:54
→ jclouds-examples[master+]/blobstore-clojure$ lein repl
"REPL started; server listening on localhost:26225."
user=> (use 'create-list.containers)
nil
user=> (create-and-list "transient" "foo" "bar" "mycontainer")
#<PageSetImpl [[type=CONTAINER, id=null, name=stub, location=[id=transient, scope=PROVIDER, description=http://localhost/transient, parent=null, iso3166Codes=[], metadata={}], uri=null, userMetadata={}], [type=CONTAINER, id=null, name=mycontainer, location=[id=transient, scope=PROVIDER, description=http://localhost/transient, parent=null, iso3166Codes=[], metadata={}], uri=null, userMetadata={}]]>
user=> (create-and-list "aws-s3" "***" "***" "vkbucket")
#<PageSetImpl []>
user=>
@vijaykiran
vijaykiran / gist:1124888
Created August 4, 2011 10:05
package controllers;
import org.apache.commons.mail.*;
import play.*;
import play.mvc.*;
import play.libs.*;
import java.util.*;
@vijaykiran
vijaykiran / gist:1126158
Created August 4, 2011 20:25
(defn index
"Get list of gamers"
([] (println "GET for the list of Gamers"))
([id] (println "GET for the gamer with " id)))
(defroutes routes
(GET "/gamers" [] (index))
@vijaykiran
vijaykiran / gist:1127205
Created August 5, 2011 09:37
public static void sendMail() throws Exception{
EmailAttachment attachment = new EmailAttachment();
attachment.setPath("/Users/vijay/Desktop/test.scala");
attachment.setDisposition(EmailAttachment.ATTACHMENT);
attachment.setDescription("Scala File");
attachment.setName("test.scala");
// Create the email message
MultiPartEmail email = new MultiPartEmail();
email.addTo("blah@example.com", "Vijay Kiran");
@vijaykiran
vijaykiran / gist:1329499
Created November 1, 2011 00:27
(defn index
[]
(ring.util.response/file-response "index.html"))
;;; routes
(defroutes routes
@vijaykiran
vijaykiran / gist:1380992
Created November 20, 2011 21:53
predictions = X * theta; %number of traing examples on m examples                                                                                            
                                                                                                                                                             
sqrErrors = (predictions - y).^2; % squared errors                                                                                                            
J = (1 / (2 *m) * sum(sqrErrors) ) + sum(theta(2:end) .^ 2) * lambda / (2 * m);                                                                              
grad = (1 / m) * ((X' * (predictions - y)) + (lambda * theta));                                                                                              
grad(1) -= (1 / m ) * (lambda * theta(1));
@vijaykiran
vijaykiran / gist:1381086
Created November 20, 2011 22:47
for i = 1:m
subsetX = X(1:i, :);
subsetY = y(1:i);
[theta] = trainLinearReg(subsetX, subsetY,lambda);
[error_train(i),grad_train] = linearRegCostFunction(subsetX, subsetY, theta, 0);
[error_val(i),grad_val] = linearRegCostFunction(Xval, yval, theta, 0);
end
@vijaykiran
vijaykiran / gist:1381147
Created November 20, 2011 23:25
for i=1:p
X_poly(:,i) = X .^i;
end
@vijaykiran
vijaykiran / gist:1381153
Created November 20, 2011 23:31
for i = 1:length(lambda_vec)
subsetX = X(1:i, :);
subsetY = y(1:i);
[theta] = trainLinearReg(subsetX, subsetY,lambda_vec(i));
[error_train(i),grad_train] = linearRegCostFunction(subsetX, subsetY, theta, lambda_vec(i));
[error_val(i),grad_val] = linearRegCostFunction(Xval, yval, theta, lambda_vec(i));
end
@vijaykiran
vijaykiran / gist:1381171
Created November 20, 2011 23:44
for i = 1:length(lambda_vec)
[theta] = trainLinearReg(X,y,lambda_vec(i));
[error_train(i),grad_train] = linearRegCostFunction(X, y, theta, 0);
[error_val(i),grad_val] = linearRegCostFunction(Xval, yval, theta, 0);
end