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• Computer sending data while turned of

  - by Nicklas Ansman

  I have a some what strange problem (which could have and easy and obvious solution for all I know). My problem is that when I've booted ubuntu (now 10.4 but same problem with 9.10) and turns it off it starts sending a HUGE amount of data via the ethernet cable, so much in fact that my router can't handle it and stops responding. As far as I can tell the computer is completely turned off with no fans spinning. I can add that if I boot windows I do not have this problem, just when exiting ubuntu. There are two "fixes" for my problem: Pull the ethernet cable until the next boot Turn off power to the PSU and wait for the capacitors to unload Is there anyone who knows what could be going on? I'd be happy to post some logs or conf-files. Currently I'm using the ethernet port on my motherboard which is a Asus P6T Deluxe V2 with an updated version of the BIOS (maybe not the latest but since it only happens when I've been in ubuntu I don't wanna mess with the BIOS too much). Regards Nicklas

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• Computer sending data while turned off

  - by Nicklas Ansman

  I have a some what strange problem (which could have and easy and obvious solution for all I know). My problem is that when I've booted ubuntu (now 10.4 but same problem with 9.10) and turns it off it starts sending a HUGE amount of data via the ethernet cable, so much in fact that my router can't handle it and stops responding. As far as I can tell the computer is completely turned off with no fans spinning. I can add that if I boot windows I do not have this problem, just when exiting ubuntu. There are two "fixes" for my problem: Pull the ethernet cable until the next boot Turn off power to the PSU and wait for the capacitors to unload Is there anyone who knows what could be going on? I'd be happy to post some logs or conf-files. Currently I'm using the ethernet port on my motherboard which is a Asus P6T Deluxe V2 with an updated version of the BIOS (maybe not the latest but since it only happens when I've been in ubuntu I don't wanna mess with the BIOS too much). Regards Nicklas ---------Update 1---------- The router is a D-Link DIR 655 with the latest firmware. ---------Update 2---------- I've now reinstalled ubuntu (with 10.4) and I still experience the same problem.

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• Computer sending data while turned of

  - by Nicklas Ansman

  I have a some what strange problem (which could have and easy and obvious solution for all I know). My problem is that when I've booted ubuntu (now 10.4 but same problem with 9.10) and turns it off it starts sending a HUGE amount of data via the ethernet cable, so much in fact that my router can't handle it and stops responding. As far as I can tell the computer is completely turned off with no fans spinning. I can add that if I boot windows I do not have this problem, just when exiting ubuntu. There are two "fixes" for my problem: Pull the ethernet cable until the next boot Turn off power to the PSU and wait for the capacitors to unload Is there anyone who knows what could be going on? I'd be happy to post some logs or conf-files. Currently I'm using the ethernet port on my motherboard which is a Asus P6T Deluxe V2 with an updated version of the BIOS (maybe not the latest but since it only happens when I've been in ubuntu I don't wanna mess with the BIOS too much). Regards Nicklas

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• Include models in Cakephp without going through index.php

  - by Nicklas Ansman

  Hey! I'm using CakePHP to build a site which has a crawler that mines data from different sites. The problem is that I would like to be able to call the crawler from command line (since it can take hours for it to finnish) and I would like to the use models in CakePHP when saving the data. Is there a file I could just include that includes the rest for me? If I just include the index.php it dispatches the call which I don't want. Regards Nicklas

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• Memory leak in PHP with Symfony + Doctrine

  - by Nicklas Ansman

  I'm using PHP with the Symfony framework (with Doctrine as my ORM) to build a spider that crawls some sites. My problem is that the following code generates a memory leak: $q = $this -> createQuery('Product p'); if($store) { $q -> andWhere('p.store_id = ?', $store -> getId()) -> limit(1); } $q -> andWhere('p.name = ?', $name); $data = $q -> execute(); $q -> free(true); $data -> free(true); return NULL; This code is placed in a subclass of Doctrine_Table. If I comment out the execute part (and of course the $data - free(true)) the leak stops. This has led me to the conclusion that it's the Doctrine_Collection that's causing the leak. Any ideas on what I can do to fix this? I'd be happy to provide more info on the problem if you need it. Regards Nicklas

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• Run a PHP-script from a PHP-script without blocking

  - by Nicklas Ansman

  I'm building a spider which will traverse various sites and data mining them. Since I need to get each page separately this could take a VERY long time (maybe 100 pages). I've already set the set_time_limit to be 2 minutes per page but it seems like apache will kill the script after 5 minutes no matter. This isn't usually a problem since this will run from cron or something similar which does not have this time limit. However I would also like the admins to be able to start a fetch manually via a HTTP-interface. It is not important that apache is kept alive for the full duration, I'm, going to use AJAX to trigger a fetch and check back once in a while with AJAX. My problem is how to start the fetch from within a PHP-script without the fetch being terminated when the script calling it dies. Maybe I could use system('script.php &') but I'm not sure it will do the trick. Any other ideas?

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• How to declare a variable in MS SQL and use it in the same Stored Procedure

  - by Nicklas

  Im trying to get the Value from BrandID in one tabel and add it to another tabel. But I can't get it to work. Anybody know how to do it right? CREATE PROCEDURE AddBrand AS DECLARE @BrandName nvarchar(50), @CategoryID int, @BrandID int SELECT @BrandID = BrandID FROM tblBrand WHERE BrandName = @BrandName) INSERT INTO tblBrandinCategory (CategoryID, BrandID) VALUES (@CategoryID, @BrandID) RETURN

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• Admin section in CakePHP

  - by Nicklas Ansman

  I'm having a hard time understanding how the CakePHP admin system works. Should all controllers who has an action which requires login include AuthComponent or just the one who handles the login/logout? Let's say I want to protect the add action of a controller. First I create admin_add() in the controller and then in the beforeFilter() method I check if $this->Session->check('Auth.User') is set a redirect based on this? Turns out it was better to just controll this with $this->Auth->allow() What is the easiest way to return to the URL the user was trying to access? Is there a better way than setting a session variable? Turns out it does this automagically :) If someone has a good tutorial for this I would happily read it :) I've already read this tutorial but I found it to be a little to basic and the CakePHP-docs are not that great on this topic either.

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• Count problem in SQL when I want results from diffrent tabels

  - by Nicklas

  ALTER PROCEDURE GetProducts @CategoryID INT AS SELECT COUNT(tblReview.GroupID) AS ReviewCount, COUNT(tblComment.GroupID) AS CommentCount, Product.GroupID, MAX(Product.ProductID) AS ProductID, AVG(Product.Price) AS Price, MAX (Product.Year) AS Year, MAX (Product.Name) AS Name, AVG(tblReview.Grade) AS Grade FROM tblReview, tblComment, Product WHERE (Product.CategoryID = @CategoryID) GROUP BY Product.GroupID HAVING COUNT(distinct Product.GroupID) = 1 This is what the tabels look like: **Product** |**tblReview** | **tblComment** ProductID | ReviewID | CommentID Name | Description | Description Year | GroupID | GroupID Price | Grade | GroupID GroupID is name_year of a Product, ex Nike_2010. One product can have diffrent sizes for exampel: ProductID | Name | Year | Price | Size | GroupID 1 | Nike | 2010 | 50 | 8 | Nike_2010 2 | Nike | 2010 | 50 | 9 | Nike_2010 3 | Nike | 2010 | 50 | 10 | Nike_2010 4 | Adidas| 2009 | 45 | 8 | Adidas_2009 5 | Adidas| 2009 | 45 | 9 | Adidas_2009 6 | Adidas| 2009 | 45 | 10 | Adidas_2009 I dont get the right count in my tblReview and tblComment. If I add a review to Nike size 8 and I add one review to Nike size 10 I want 2 count results when I list the products with diffrent GroupID. Now I get the same count on Reviews and Comment and both are wrong. I use a datalist to show all the products with diffrent/unique GroupID, I want it to be like this: ______________ | | | Name: Nike | | Year: 2010 | | (All Sizes) | | x Reviews | | x Comments | | x AVG Grade | |______________| All Reviewcounts, Commentcounts and the Average of all products with the same GroupID, the Average works great.

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• How to declare a variable in SQL Server and use it in the same Stored Procedure

  - by Nicklas

  Im trying to get the value from BrandID in one table and add it to another table. But I can't get it to work. Anybody know how to do it right? CREATE PROCEDURE AddBrand AS DECLARE @BrandName nvarchar(50), @CategoryID int, @BrandID int SELECT @BrandID = BrandID FROM tblBrand WHERE BrandName = @BrandName INSERT INTO tblBrandinCategory (CategoryID, BrandID) VALUES (@CategoryID, @BrandID) RETURN

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• Retrieving multipel rows in MS SQL but distinct filteringen only on one

  - by Nicklas

  I have this: SELECT Product.ProductID, Product.Name, Product.GroupID, Product.GradeID, AVG(tblReview.Grade) AS Grade FROM Product left Join tblReview ON Product.GroupID = tblReview.GroupID WHERE (Product.CategoryID = @CategoryID) GROUP BY Product.ProductID, Product.Name, Product.GroupID, Product.GradeID I would like to return only the rows where Product.Name is unique. If I make a SELECT DISTINCT the ProductID is diffrent on every row so all the rows are unique. Thanks in andvance

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• Android passing an arraylist back to parent activity

  - by Nicklas O

  Hi there. I've been searching for a simple example of this with no luck. In my android application I have two activities: 1. The main activity which is launched at startup 2. A second activity which is launched by pressing a button on the main activty. When the second activity is finished (by pressing a button) I want it to send back an ArrayList of type MyObject to the main activity and close itself, which the main activity can then do whatever with it. How would I go about achieving this? I have been trying a few things but it is crashing my application when I start the second activity. When the user presses button to launch second activity: Intent i = new Intent(MainActivity.this, secondactivity.class); startActivityForResult(i, 1); The array which is bundled back after pressing a button on the second activity: Intent intent= getIntent(); Bundle b = new Bundle(); b.putParcelableArrayList("myarraylist", mylist); intent.putExtras(b); setResult(RESULT_OK, intent); finish(); And finally a listener on the main activity (although I'm not sure of 100% when this code launches...) protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if(resultCode==RESULT_OK && requestCode==1){ Bundle extras = data.getExtras(); final ArrayList<MyObject> mylist = extras.getParcelableArrayList("myarraylist"); Toast.makeText(MainActivity.this, mylist.get(0).getName(), Toast.LENGTH_SHORT).show(); } } Any ideas where I am going wrong? The onActivityResult() seems to be crashing my application. EDIT: This is my class MyObject, its called plan and has a name and an id import android.os.Parcel; import android.os.Parcelable; public class Plan implements Parcelable{ private String name; private String id; public Plan(){ } public Plan(String name, String id){ this.name = name; this.id = id; } public String getName(){ return name; } public void setName(String name){ this.name = name; } public String getId(){ return id; } public void setId(String id){ this.id = id; } public String toString(){ return "Plan ID: " + id + " Plan Name: " + name; } @Override public int describeContents() { // TODO Auto-generated method stub return 0; } @Override public void writeToParcel(Parcel dest, int flags) { dest.writeString(id); dest.writeString(name); } public static final Parcelable.Creator<Plan> CREATOR = new Parcelable.Creator<Plan>() { public Plan createFromParcel(Parcel in) { return new Plan(); } @Override public Plan[] newArray(int size) { // TODO Auto-generated method stub return new Plan[size]; } }; } This is my logcat E/AndroidRuntime( 293): java.lang.RuntimeException: Unable to instantiate activ ity ComponentInfo{com.daniel.android.groupproject/com.me.android.projec t.secondactivity}: java.lang.NullPointerException E/AndroidRuntime( 293): at android.app.ActivityThread.performLaunchActiv ity(ActivityThread.java:2417) E/AndroidRuntime( 293): at android.app.ActivityThread.handleLaunchActivi ty(ActivityThread.java:2512) E/AndroidRuntime( 293): at android.app.ActivityThread.access$2200(Activi tyThread.java:119) E/AndroidRuntime( 293): at android.app.ActivityThread$H.handleMessage(Ac tivityThread.java:1863) E/AndroidRuntime( 293): at android.os.Handler.dispatchMessage(Handler.ja va:99) E/AndroidRuntime( 293): at android.os.Looper.loop(Looper.java:123) E/AndroidRuntime( 293): at android.app.ActivityThread.main(ActivityThrea d.java:4363) E/AndroidRuntime( 293): at java.lang.reflect.Method.invokeNative(Native Method) E/AndroidRuntime( 293): at java.lang.reflect.Method.invoke(Method.java:5 21) E/AndroidRuntime( 293): at com.android.internal.os.ZygoteInit$MethodAndA rgsCaller.run(ZygoteInit.java:860) E/AndroidRuntime( 293): at com.android.internal.os.ZygoteInit.main(Zygot eInit.java:618) E/AndroidRuntime( 293): at dalvik.system.NativeStart.main(Native Method) E/AndroidRuntime( 293): Caused by: java.lang.NullPointerException E/AndroidRuntime( 293): at com.daniel.android.groupproject.login.<init>( login.java:51) E/AndroidRuntime( 293): at java.lang.Class.newInstanceImpl(Native Method ) E/AndroidRuntime( 293): at java.lang.Class.newInstance(Class.java:1479) E/AndroidRuntime( 293): at android.app.Instrumentation.newActivity(Instr umentation.java:1021) E/AndroidRuntime( 293): at android.app.ActivityThread.performLaunchActiv ity(ActivityThread.java:2409) E/AndroidRuntime( 293): ... 11 more

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• Retrieving multiple rows in SQL Server but distinct filtering only on one

  - by Nicklas

  I have this: SELECT Product.ProductID, Product.Name, Product.GroupID, Product.GradeID, AVG(tblReview.Grade) AS Grade FROM Product left Join tblReview ON Product.GroupID = tblReview.GroupID WHERE (Product.CategoryID = @CategoryID) GROUP BY Product.ProductID, Product.Name, Product.GroupID, Product.GradeID I would like to return only the rows where Product.Name is unique. If I make a SELECT DISTINCT the ProductID is different on every row so all the rows are unique.

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• BeanInfo Editor in NetBeans Rocks

  - by Geertjan

  Impressed by a cool feature I didn't know about. If you have some JavaBean, like my Event class below, you can right-click it and choose "BeanInfo Editor": Now, as you can see above, I don't have a BeanInfo class. So I am now asked whether the IDE should create one for me. So I say OK and then I have a new BeanInfo class, generated from my Event class, as well as a multiview editor for visually editing the BeanInfo class: Thanks Eric and Nicklas from Artificial Solutions in Stockholm for pointing this out to me today. It comes in very handy in NetBeans Platform applications when you're working with a BeanNode and want to customize the display of your properties.

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• Installing gitlab on Debian 6.0.5

  - by helmus

  I am using following directions in an attempt to install gitlab on Debian 6.0.5 https://github.com/gitlabhq/gitlabhq/blob/stable/doc/installation.md I am getting an error when i'm running following command sudo -u gitlab bundle exec rake gitlab:app:setup RAILS_ENV=production WARNING: #<ArgumentError: Illformed requirement ["#<Syck::DefaultKey:0x00000004b52198> 1.1.4"]> # -*- encoding: utf-8 -*- Gem::Specification.new do |s| s.name = %q{carrierwave} s.version = "0.6.2" s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version= s.authors = ["Jonas Nicklas"] ....more error.... s.add_dependency(%q<mini_magick>, [">= 0"]) s.add_dependency(%q<rmagick>, [">= 0"]) end end WARNING: Invalid .gemspec format in '/usr/local/lib/ruby/gems/1.9.1/specifications/carrierwave-0.6.2.gemspec' Could not locate Gemfile Some pointers to what could cause this would be much appreciated, i have only little experience with RoR and it seems to be related to that.

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• OrbitFX: JavaFX 8 3D & NetBeans Platform in Space!

  - by Geertjan

  Here is a collection of screenshots from a proof of concept tool being developed by Nickolas Sabey and Sean Phillips from a.i. solutions. Before going further, read a great new article here written on java.net by Kevin Farnham, in light of the Duke's Choice Award (DCA) recently received at JavaOne 2013 by the a.i. solutions team. Here's Sean receiving the award on behalf of the a.i. solutions team, surrounded by the DCA selection committee and other officials: They won the DCA for helping facilitate and deploy the 2014 launch of NASA's Magnetospheric Multiscale mission, using JDK 7, the NetBeans Platform, and JavaFX to create the GEONS Ground Support System, helping reduce software development time by approximately 35%. The prototype tool that Nicklas and Sean are now working on uses JavaFX 3D with the NetBeans Platform and is nicknamed OrbitFX. Much of the early development is being done to experiment with different patterns, so that accuracy is currently not the goal. For example, you'll notice in the screenshots that the Earth is really close to the Sun, which is obviously not correct. The screenshots are generated using Java 8 build 111, together with NetBeans Platform 7.4. Inspired by various JavaOne demos using JavaFX 3D, Nick began development integrating them into their existing NetBeans Platform infrastructure. The 3D scene showing the Sun and Earth objects is all JavaFX 8 3D, demonstrating the use of Phong Material support, along with multiple light and camera objects. Each JavaFX component extends a JFXPanel type, so that each can easily be added to NetBeans Platform TopComponents. Right-clicking an item in the explorer view offers a context menu that animates and centers the 3D scene on the selected celestial body.  With each JavaFX scene component wrapped in a JFXPanel, they can easily be integrated into a NetBeans Platform Visual Library scene.  In this case, Nick and Sean are using an instance of their custom Slipstream PinGraphScene, which is an extension of the NetBeans Platform VMDGraphScene. Now, via the NetBeans Platform Visual Library, the OrbitFX celestial body viewer can be used in the same space as a WorldWind viewer, which is provided by a previously developed plugin. "This is a clear demonstration of the power of the NetBeans Platform as an application development framework," says Sean Phillips. "How else could you have so much rich application support placed literally side by side so easily?"

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