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• How do i allow non-root access to /ttyUSB0 on 12.04?

  - by yurividal

  Since i updated from 10.04 to 12.04, i am unable to acces the device connected in /ttyUSB0 if i dont have root access. To be more specific, i use a usb-to-serial com port converter to acces and configure Cisco equipment with a software called Putty. It happens that, since i upgraded to 12.04, Putty only sees the connected device when i run it as "gksudo putty". If not, it says "unable to connect to port /ttyUSB0". I have managed to change the permissions via chmod 666, and it works, but if i disconnect the usb and reconnect, it goes back to root only. How do i permanently allow non-root access? I have a clue it might be via udev rules, but i have NO IDEIA how to do it. obs. Manufacturer and drivers "PROLIFIC"

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• Is it possible to configure Ubuntu as a software firewall?

  - by user3215

  I have some systems running on Ubuntu in the private IP range 192.168.2.0-255 . These systems are connected to a switch and the switch is connected to the ISP's modem. Neither the switch nor the modem support firewall options. I don't have any firewall device and I'm not willing to individually configure firewalls on all the systems (via gui/iptables). Is it possible to make an Ubuntu system into something like a software firewall, so that all the traffic/packets sent to or from the WAN(internet) would be allowed/denied based on its firewall rules?

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• IE9 Preview disables CLR DEVPATH feature

  (This is not related to IKVM.NET, but since I spent several hours tracking this down, I thought I'd write it up here in the hope anyone else struggling with this will find it.) One of the lesser known (development) features of the CLR is the ability to override the regular Fusion assembly loading rules by setting the DEVPATH environment variable (and adding an entry to the machine.config to enable this). It turns out that this feature can be disabled...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• E-Mail Center: How to Debug Auto-Processing Issues

  - by LuciaC

  Do you use E-mail Center Auto-Processing functionality?  Auto-processing rules can be defined which will process an email and initiate actions such as sending an auto-reply, auto-acknowledgement or service request update or creation.  If you're using auto-processing in your environment, then you will have noticed that, when things go wrong, often the only indication that there is an issue is if the email goes to the Supervisor Queue for manual processing instead of being sent.  Oracle Development has developed a script to help you debug when an email is meant to be auto-processed but is failing. There are scripts for R12.0.6 through to R12.1.3. See Doc ID 1427925.1 for details of the script and how to use it.

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• Cloud proxying service

  - by ChristopherJ

  I have an app that mashes up images from Bing image search, it's hosted on Heroku written in rails. The app is client side in javascript, so the mashup is done on an html5 canvas - this means though that if I fetch the images direct from the Bing server, the canvas gets dirty and I can't save it. As a quick work around, i have set up a route on my rails app that simply proxies the request to Bing and passes the result back through. Obviously this is a very poor performance solution and will eat up my dynos very quickly. Can anyone suggest a more suitable option? At the moment I'm thinking maybe Amazon EC2 with apache mod_rewrite rules would be better performing and more cost effective. Is there a cloud service (or an app I could deploy to a cloud service) that would be more appropriate for proxying requests for me so that my javascript can fetch the images without dirtying the canvas?

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• Developing AI for warhammer board game [closed]

  - by josemanuel

  right now I'm going to develop a simple AI for some units for the board game warhammer fantasy. With some simple rules, I've read some things such as http://gamedev.stackexchange.com/questions/21519/complex-game-ai-for-turn-based-strategy-games . I have the robots to move the pieces, the map is just simple(no hills,buildings..) and I need to start to give an AI for the robot to move the pieces. Problem is I have been searching for a long time and can't really find someone that has done something similar with warhammer, and I don't really know where to begin with or which tools I need to use. I would be glad if someone can give me some headsup on how to begin with, or if any programming language is better, not to mention if there is something similar where I could ask for help.

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• Is it legal to develop a game usung some version of D&D, something similar to Baldurs Gate?

  - by Max

  For a while now I've been thinking about trying my hand at creating a game similar in spirit and execution to Baldurs Gate, Icewind Dale and offshoots. I'd rather not face the full bulk of work in implementing my own RPG system - I'd like to use D&D rules. Now, reading about the subject it seems there is something called "The License" which allows a company to brand a game as D&D. This license seems to be exclusive, and let's just say I don't have the money to buy it :p. Is it still legal for me to implement and release such a game? Commercially or open-source? I'm not sure exactly which edition would fit the best, but since Baldurs Gate is based of 2nd edition, could I go ahead an implement that? in short: what are the issues concerning licensing and publishing when it comes to D&D? Also: Didn't see any similar question...

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• Announcing StorageTek VSM 6

  - by uwes

  On 23rd of October Oracle announced the 6th generation StorageTek Virtual Storage Manager system (StorageTek VSM 6). StorageTek VSM 6 provides customers simple, flexible and mainframe class reliability all while reducing a customer’s total cost of ownership: Simple – Efficiently manages data and storage resources according to customer-defined rules, while streamlining overall tape operations Flexible – Engineered with flexibility in mind, can be deployed to meet each enterprise’s unique business requirements  Reliable – Reduces a customer’s exposure by providing superior data protection, end-to-end high availability architecture and closed loop data integrity checking Low Total Cost of Ownership and Investment Protection – Low asset acquisition cost, high-density data center footprint and physical tape energy efficiency keeps customers storage spending within budget For More Information Go To: Oracle.com Tape PageOracle Technology Network Tape Page

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• why opening a port is so difficult in ubuntu?

  - by icn

  I have searched around and I have run these commands iptables -A INPUT -p tcp -d 0/0 -s 0/0 --dport 5432 -j ACCEPT iptables-save > /etc/iptables.rules And I rebooted the box. I had no luck. What am I missing? IS there a universal way to do this thing in ubuntu? I remember in fedora I just need to edit a text file and make it happen. Thanks UPDATE I have run ufw allow 5432 and I ran ufw status I got this result Status: active To Action From -- ------ ---- 5432/tcp ALLOW Anywhere 80 ALLOW Anywhere 22 ALLOW Anywhere 5432 ALLOW Anywhere 5432/tcp ALLOW Anywhere (v6) 80 ALLOW Anywhere (v6) 22 ALLOW Anywhere (v6) 5432 ALLOW Anywhere (v6) I still cannot access 5432!

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• How can I avoid the engineering mistakes of PDT?

  - by ashy_32bit

  As a developer with enough experience to evaluate a tool, I may say that PDT is very huge in size and slow in performance for a PHP IDE. It gets bigger by release and exponentially slower by the size of the projects. Add some extra syntax coloring rules and it literally crawls, code completion works randomly and building workspace takes like forever. Java black magic (-Xmx etc) eases the pain a little but that's it. So my questions are: Why is PDT like this? What design or engineering factors led to its poor performance? How can I avoid making these same mistakes in my own products?

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• How to solve programming problems using logic? [closed]

  - by md nth

  I know these principles: Define the constrains and operations,eg constrains are the rules that you cant pass and what you want determined by the end goal, operations are actions you can do, "choices" . Buy some time by solving easy and solvable piece. Halving the difficulty by dividing the project into small goals and blocks. The more blocks you create the more hinges you have. Analogies which means : using other code blocks, yours or from other programmers . which has problem similar to the current problem. Experiments not guessing by writing "predicted end" code, in other word creating a hypothesis, about what will happen if you do this or that. Use your tools first, don't begin with a unknown code first. By making small goals you ll not get frustrated. Start from smallest problem. Are there other principles?

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• Convert htaccess to helicon tech ISAPI rewrite

  - by Luis

  Can someone help me converting these htaccess rewrite rules to helicon tech ISAP? RewriteEngine On RewriteBase / # remove the www RewriteCond %{HTTP_HOST} ^(www\.$) [NC] RewriteRule ^ http://%{HTTP_HOST}%{REQUEST_URI} [L,R=301] # Add a trailing slash to paths without an extension RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_URI} !(\.[a-zA-Z0-9]{1,5}|/)$ RewriteRule ^(.*)$ $1/ [L,R=301] # Remove index.php RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ /index.php/$1 [L] Thanks

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• How do I set a Group Policy's Password Policy in C#

  - by user343304

  I am trying to retrieve a group policy from a Windows Server 2008 Active Directory and change the minimum password age, maximum password age, and minimum password length in a C# application. Is there a way to do this? So far I have only found out how to create new Group Policy objects using Interop.GPMGMTLib (gpmgmt.dll), yet I haven't figured out how to change the policy's password rules and I am not sure if there is an easier way.

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• Invoking a WCF service using claims based authentication

  - by ashwnacharya

  I have a WCF service deployed in a server machine. We are using claims based authentication to authenticate the WCF service caller. The WCF service is restricted by using IIS Authorization rules. How do I programmatically invoke the WCF service using .NET? The client app uses a proxy generated using SVCUtil. calling the service reads the credentials from a configuration file (not the app.config file, in fact the client application does not have a *.config file).

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• Validation of WPF User Input using MVVM and Entity Framework 4.0

  - by Emad

  I am building a WPF 4.0 Application using MVVM. The Model is generated using Entity Framework 4.0. I am using Data binding on the WPF to bind the user input to model properties. What is the easiest way to validate user input ? I prefer an approach where I can set the validation rules on the Model rather than on the WPF itself. How can this be done? Any samples are appreciated.

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• struts2 invalid.token returned when form submitted using JQuery

  - by John

  Hi, I have inherited some code in which I now have to add CSRF prevention and am trying to use the struts2 tokenSession interceptor to do this. I am adding a token to my form using the struts2 token tag like so: <form id="updateObject" name="updateObject" action="<%=request.getContextPath()%>/prv/updateObject.action" method="POST"> <fieldset class="x-fieldset"> <legend>Update object - Action Required</legend> <div>...</div> <s:token /> <s:hidden name="id" id="objectId" /> more stuff here... <input type="submit" value="Update Object" onclick="javascript:return doUpdateObject('myAction');"/> </fieldset> </form> In my javascript function, I am adding/removing some validation rules (depending upon the action required, and submitting the form: function doUpdateObject(action){ actionPanel.registerAction(action); // this function places the action name in an in-scope variable doUpdateObjectValidationSetup(action); // this function adds/removes jquery validation rules depending upon the action if($("#updateObject").valid()){ $("form#updateObject").submit(); } return false; } I have intercepted the request and a token is being added, however the struts2 tokenSession interceptor is returning invalid.token. The code works as expected without this interceptor. (struts2 xml file not posted - will post the relevant section if required). I have also used the tokenSession interceptor in other pages which use a basic html submit button (i.e. not going via javascript or jquery) and this also works as expected. What is making the token invalid? N.B. The project I have inherited uses a strange mixture of standard html, struts2 tags, ExtJS and JQuery. I will clean this up at some point but at the moment I just need to get the tokenSession interceptor working asap in the code as-is (as I have to apply a similar fix to several hundred pages...). Any help/pointers/tips/etc greatly appreciated! Regards, John

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• Sitewide 301 Redirect with a subset of different redirects

  - by Mike E.

  I am trying to make a sitewide 301 redirect for a site with around 400 pages but also have a subset of about 10 individual pages that don't follow the sitewide redirect and should point somewhere else. Any ideas how to format such redirect rules so the sitewide redirect doesnt conflict with the subset pages redirect? I am starting with the sitewide redirect rule as: Options +FollowSymLinks RewriteEngine on RewriteRule (.*) http://www.name.com/$1 [R=301,L]

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• Prolog - ASSERT and RETRACT

  - by KP65

  I was wondering, I am aware you can use assert to add facts or rules or whatever if you have declared the predicate to be -:dynamic, but this only allows the changes that are made to be kept in that session only, e.g. if you close the prolog window then the database changes are lost. So I was wondering, is there any way of making it so that the assert and retract predicates can make permanent changes to the prolog .pl file? Thanks

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• How do I change the URL for the wordpress author archive page?

  - by Ben Burleson

  Instead of www.example.com/author/xyz, I want to use www.example.com/artist/xyz. I was hoping it was as easy as copying author.php to artist.php in my theme directory, but no such luck. Where does wordpress handle the special processing for the author archive pages? .htaccess rewriting is another option, but I wasn't able to get anything to work with the existing wordpress rewrite rules. Thanks,

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• Flex 4 - What makes a GC root?

  - by Michael Brewer-Davis

  What are the rules for something to be a GC root in Flash? I'm using the Flash Builder 4 profiler, and I'm finding odd things are labeled as GC roots in the object reference details (e.g., an Image control that is no longer in the display list, nor static).

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• Is there a library for notification/alert in .NET?

  - by sajid.nizami

  I need to design a notifications framework written solely in .Net. I was wondering is there were some libraries already available to ease in creating rules for the notifications. PS: Anything other than SQL Server Notifications please. Note: Notifications as in Emails and SMS notifications.

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• Visual Sourcesafe, sharing: commits to wrong location

  - by Snake

  I have a project under my management. It has the following structure: $/Code/MainSolution $/Code/Branches I want to branch the MainSolution in $/Code/Branches So I do it, (it works perfectly), I set a working folder for that project and do a 'get latest'. But when I open that solution in Visual Studio 2005 it identifies every file as new (+ sign in front of the file) and when I commit it it goes to $/Data/NameOfTheBranch Why does it do that? Why doesn't it follow MY rules?

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• External iPhone Cryptography Libs

  - by AO

  Are there any legal problems using external crypto libs in my iPhone application? I know that Apple has to comply to US cryptography export rules but do I as a developer have any responsibility? How does it work?

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• Bidirectional URL Rewriting/Redirecting in IIS7.5

  - by David Foster

  First off, I'd like to apologise for the ludicrous title. I'm not trying to sound cool or clever by using the word 'bidirectional', I just genuinely couldn't think of another way to describe it. Promise. On to my problem. I have the following in the <system.webserver>/<rewrite>/<rules> section of my Web.config. <!-- Who We Are --> <rule name="1A"> <match url="^whoweare.aspx$" /> <action type="Redirect" url="who-we-are" redirectType="Permanent" /> </rule> <rule name="1B"> <match url="^who-we-are$" /> <action type="Rewrite" url="whoweare.aspx" /> </rule> <!-- What We Do --> <rule name="2A"> <match url="^whatwedo.aspx$" /> <action type="Redirect" url="what-we-do" redirectType="Permanent" /> </rule> <rule name="2B"> <match url="^what-we-do$" /> <action type="Rewrite" url="whatwedo.aspx" /> </rule> Now this works tremendously. Effectively, if you visit the URL http://example.com/whoweare.aspx (which is the actual URL of the page), you'll be 301 redirected to the URL http://example.com/who-we-are (the virtual URL), and if you visit the virtual URL, you'll be rewritten to the actual URL. This means super sexy URLs without duplication, and it doesn't result in reciprocal rewriting either, so smiles all round. My question is this: could this be done more elegantly? It's a little cumbersome having to write out two rules to ensure that one is redirected to the other, and the other is rewritten to the one. Is it possible to write one rule which will achieve the functionality of the above two?

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• jQuery - Dynamically adding validation rule to multiple textboxes

  - by Justin

  Hey, I'm trying to add a validation rule to multiple textboxes dynamically. Here's the js: //validate form. $("#SubmitForm").validate(); $("input[id*=Hours]").rules("add", { number: true, messages: { number: "Please enter a valid Hours" } }); This applies the rule to the very first textbox on the page with "Hours" in the id but then it doesn't apply it to any of the other ones. Anyone know what's wrong here? Thanks, Justin

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