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• Recover personal PGP key from old home

  - by Oli

  Many lives ago, I created a GPG key to sign the Ubuntu Code of Conduct on Launchpad. I haven't really used it since. Some time later, I backed up my home and started fresh. That was all back in 2009. I still have the backup but now I'm starting to play around with Quickly and upload things to Launchpad, I could really do with having my PGP key back. I don't really know how the key is organised or where it's stored, but I'd like to recover my old key rather than generate a new one. Any idea where to start?

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• After extending the User model in django, how do you create a ModelForm?

  - by mlissner

  I extended the User model in django to include several other variables, such as location, and employer. Now I'm trying to create a form that has the following fields: First name (from User) Last name (from User) Location (from UserProfile, which extends User via a foreign key) Employer (also from UserProfile) I have created a modelform: from django.forms import ModelForm from django.contrib import auth from alert.userHandling.models import UserProfile class ProfileForm(ModelForm): class Meta: # model = auth.models.User # this gives me the User fields model = UserProfile # this gives me the UserProfile fields So, my question is, how can I create a ModelForm that has access to all of the fields, whether they are from the User model or the UserProfile model? Hope this makes sense. I'll be happy to clarify if there are any questions.

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• Rails: Polymorphic User Table a good idea with AuthLogic?

  - by sscirrus

  Hi everyone, I have a system where I need to login three user types: customers, companies, and vendors from one login form on the home page. I have created one User table that works according to AuthLogic's example app at http://github.com/binarylogic/authlogic_example. I have added a field called "User Type" that currently contains either 'Customer', 'Company', or 'Vendor'. Note: each user type contains many disparate fields so I'm not sure if Single Table Inheritance is the best way to go (would welcome corrections if this conclusion is invalid). Is this a polymorphic association where each of the three types is 'tagged' with a User record? How should my models look so I have the right relationships between my User table and my user types Customer, Company, Vendor? Thanks very much!

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• XEP-0080 User Location in Smack Library.

  - by Kristof

  Hi, I would like to create a simple XMPP client in java that shares his location (XEP-0080) with other clients. I already know I can use the smack library for XMPP and that it supports PEP, which is needed for XEP-0080. Does anyone have an example how to implement this or any pointers, i don't find anything using google. thanks in advance.

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• How to Get Pro Features in Windows Home Versions with Third Party Tools

  - by Chris Hoffman

  Some of the most powerful Windows features are only available in Professional or Enterprise editions of Windows. However, you don’t have to upgrade to Windows Professional to use these powerful features – use these free alternatives instead. These features include the ability to access your desktop remotely, encrypt your hard drive, run Windows XP in a window, change advanced settings in group policy, use Windows Media Center, run an operating system off a USB stick, and more. How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It

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• Vintage Fan Home Movie Captures the Filming of Return of the Jedi

  - by Jason Fitzpatrick

  Back in 1982, Jeff Broz and a group of his friends heard the next Star Wars film was being shot out in the California desert so they did what any fan would do; they trekked out into the desert and crashed the set. In this 7 minute home video we’re treated to views of the set, actors at work, and other behind-the-scenes footage of the production of Return of the Jedi. It’s hard to imagine, given modern security practices and secrecy surrounding movies, that a bunch of kids could just walk onto a set and start filming these days. [via Neatorama] HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux Hack Your Kindle for Easy Font Customization

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• C++ min heap with user-defined type.

  - by bsg

  Hi, I am trying to implement a min heap in c++ for a struct type that I created. I created a vector of the type, but it crashed when I used make_heap on it, which is understandable because it doesn't know how to compare the items in the heap. How do I create a min-heap (that is, the top element is always the smallest one in the heap) for a struct type? The struct is below: struct DOC{ int docid; double rank; }; I want to compare the DOC structures using the rank member. How would I do this? I tried using a priority queue with a comparator class, but that also crashed, and it also seems silly to use a data structure which uses a heap as its underlying basis when what I really need is a heap anyway. Thank you very much, bsg

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• JavaOne - Java SE Embedded Booth - Digi - Home Health Hub (HHH)

  - by David Clack

  Hi All,  So another exciting platform we will have in the booth at JavaOne is the Digi  Home Health Hub (HHH) platform. http://www.digi.com/products/wireless-wired-embedded-solutions/single-board-computers/idigi-telehealth-application-kit#overview This is a Freescale reference design that has been built by Digi, the system is powered by a Freescale i.MX28 ARM SOC, what's really exciting me is it has every wireless protocol you could ever want on a single motherboard. Ethernet, 802.11b/g/n Wi-Fi, Bluetooth, ZigBee, configurable Sub-GHz radio, NFC plus USB, audio and LCD/touch screen option. I've been experimenting with lots of wireless capable healthcare products in the last few months, plus some Bluetooth Pulse / Oxy meters, we have been looking at how the actual healthcare wireless protocols work. Steve Popovich - Vice President, Digi Internationalwill be doing a talk at the Java Embedded @ JavaOne conference in the Hotel Nikko, right next door to the JavaOne show in the Hilton. If you are registered at JavaOne you can come over to the Java Embedded @ JavaOne for $100 Come see us in booth 5605 See you there Dave

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• sharing web user controls across projects.

  - by Kyle

  I've done this using a regular .cs file that just extends System.Web.UI.UserControl and then included the assembly of the project that contains the control into other projects. I've also created .ascx files in one project then copied all ascx files from a specified folder in the properties-Build Events-Pre-build event. Now what I want to do is a combination of those two: I want to be able to use ascx files that I build in one project, in all of my other projects but I want to include them just using assembly references rather than having to copy them to my "secondary" projects as that seems a ghetto way to accomplish what I want to do. It works yes, but it's not very elegant. Can anyone let me know if this even possible, and if so, what the best way to approach this is?

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• User defined top level control in XAML

  - by luke

  A normal UserControl looks like this in XAML: <UserControl x:Class="mynamespace.foo" ...namespaces...> <!-- content --> </UserControl> I'd like to be able to define my own top level object, along the lines of: <MyControl x:Class="mynamespace.mycontrol" ...namespaces...> <!-- content --> </UserControl> Where MyControl derives from a UserControl itself. Of course the compiler complains about "MyControl" not being found. Is there a way around this?

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• How to Make a Laser Microscope at Home [Video]

  - by Asian Angel

  Earlier this year we shared a video that showed you how to make a microscope projector using a green laser light and a webcam lens. Today we are back with a video demonstrating an easy “at home” method using that same green laser light, a syringe, two glasses, and a blank wall. Note: Video contains some language that may be considered inappropriate. How to make a laser microscope [via Geeks are Sexy] Use Amazon’s Barcode Scanner to Easily Buy Anything from Your Phone How To Migrate Windows 7 to a Solid State Drive Follow How-To Geek on Google+

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• Oracle Contributor Agreements - New Home!

  - by alexismp

  The Oracle Contributor Agreement (the successor to the SCA), now has a new home - www.oracle.com/technetwork/goto/oca and a new email address (listed on this aforementioned page). This is the one-stop shop for getting to the actual OCA, the document you are required to sign in order to participate with shared copyright in Oracle-led open source projects, the list of existing signatories, as well as an updated version of the FAQ This earlier post on this topic has some context on the contributor agreement and where is came from. Note that if you are contributing to GlassFish and/or a sub-project (Jersey, OpenMQ, Grizzly, etc....), a single agreement can cover all of your contributions.

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• accessing user control in class file in asp.net

  - by komal

  Hi. I want to access a usercontrol in my class file not in aspx.cs.i need to typecast it using ASP.usercontrol_ascx type but i cant access ASP namespace from my .cs file..how to typecast the usercontrol?? Thnx....

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• user agent checking for ios6

  - by Akash Saikia

  I am trying to check whether client opening the page is using iOS6 or not. var startIndex = navigator.userAgent.search(/OS/i) + 2; var endIndex = navigator.userAgent.search(/like/i); var iOSVersion = parseInt(navigator.userAgent.substr(startIndex,endIndex - startIndex).trim()); this.iOSVersion = true; if(!isNaN(iOSVersion)){ this.iOSVersion = iOSVersion; } else if(Ext.is.Desktop){ this.iOSVersion = true; } The above code works well for all the versions of browsers. But incase of using it in iOS6, it shows as iOS5. Searched for the same thing, but I didn't find a solution. May be I am still not done with searching for this, doing side by side search and hoping if some one has faced this issue before. Any suggestions or updations?

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• Make a Geeky Lego Key Holder for Your Home [Quick DIY Project]

  - by Asian Angel

  LEGOs are terrific fun to work with whether you are in a playful mood or working on a personal geeky project. With that in mind the Mini-eco blog has an quick and easy tutorial for making an awesome LEGO key holder for your home or office. The best part about this project is the amount of personalization in colors and/or themes (i.e. Star Wars, Indiana Jones, etc.) that you can bring to it. To get started just visit the blog post linked below… DIY Lego Key Holder [via BoingBoing] How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It

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• Updates and New Home for Sticky Plugin

  Ive created a permanent home for the latest updates for Sticky. Please visit http://johnpapa.net/sticky to stay updated on the latest versions, enhancements, and how tos for Sticky. To download the latest update go here. The latest update includes some bug fixes and added a few enhancements in the latest version: 1.0.50605. Here are the highlights: Choose your Sticky color in the Settings Numbers are formatted Better error handling for invalid data Minor graphical fixes The Settings...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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• Performance - User defined query / filter to search data

  - by Cagatay Kalan

  What is the best way to design a system where users can create their own criterias to search data ? By "design" i mean, data storage, data access layer and search structure. We will actually refactor an existing application which is written in C# and ASP .NET and we don't want to change the infrastructure. Our main issue is performance and we use MSSQL and DevExpress to build queries. Some queries run in 4-5 minutes and all the columns included in the queries have indexes. When i check queries, i see that DevExpress builds too many "exists" clauses and i'm not happy with that because i have doubts that some of these queries skip some indexes. What may be the alternatives to DevExpress? NHibernate or Entity Framework? Can we build dynamic criteria system and store these to database in both of them ? And also do we need any alternative storage like a lucene index or OLAP database?

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• Consing lists with user-defined type in Haskell

  - by user1319603

  I have this type I defined myself: data Item = Book String String String Int -- Title, Author, Year, Qty | Movie String String String Int -- Title, Director, Year, Qty | CD String String String Int deriving Show -- Title, Artist, Year, Qty I've created an empty list all_Items = [] With the following function I am trying to insert a new book of type Item (Book) into the all_Items addBook all_Items = do putStrLn "Enter the title of the book" tit <- getLine putStrLn "Enter the author of the book" aut <- getLine putStrLn "Enter the year this book was published" yr <- getLine putStrLn "Enter quantity of copies for this item in the inventory" qty <- getLine Book tit aut yr (read qty::Int):all_Items return(all_Items) I however am receiving this error: Couldn't match expected type `IO a0' with actual type `[a1]' The error points to the line where I am using the consing operator to add the new book to the list. I can gather that it is a type error but I can't figure out what it is that I am doing wrong and how to fix it. Thanks in Advance!

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• Doing Master's at Home

  - by parmanand

  I'm a computer science student at present, soon I'm going to get job at somewhere. But I wish to go for higher studies in MS. My interests are automation of things using web apps, and I wish to research in AI, as I think it may resolve most of ours present problem's. Is there any way to do MS like studies and research in organised manner at home only, as a part-time research work? Because I like to learn new things anytime. Finally can you tell me what's the pattern of MS studies and which MS field suits me, as I'm interested in web and Mobility solution like mobiles. And along with that is a correspondence MS possible and if so, from where?

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• Using versioning for settings in home?

  - by maaartinus

  I planned to use git for the important files in my home directory, so I can revert bad settings or transfer them to another computer as needed. But there's too much chaos there, with each program mixing wildly temporary files, caches, logs, backups, and everything. Finding anything worth saving is hard, and when I've found any settings done by myself, there were mixed with informations specific to the computer (so I could hardly take them to another one) and timestamps (so tracking useful changes is hard). Is anybody doing it or is it just hopeless? How to filter out the garbage?

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• How to get user feedback?

  - by kost

  Hi, I am developing a web application, which is still in initial stages.I have put it on web for public to use.Should I use uservoice for feedback(free account)? What are the alternatives?

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• User to kernel mode big picture?

  - by fsdfa

  I've to implement a char device, a LKM. I know some basics about OS, but I feel I don't have the big picture. In a C programm, when I call a syscall what I think it happens is that the CPU is changed to ring0, then goes to the syscall vector and jumps to a kernel memmory space function that handle it. (I think that it does int 0x80 and in eax is the offset of the syscall vector, not sure). Then, I'm in the syscall itself, but I guess that for the kernel is the same process that was before, only that it is in kernel mode, I mean the current PCB is the process that called the syscall. So far... so good?, correct me if something is wrong. Others questions... how can I write/read in process memory?. If in the syscall handler I refer to address, say, 0xbfffffff. What it means that address? physical one? Some virtual kernel one?

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• How To Remote Control Your Home Computer From Anywhere With VNC

  - by Chris Hoffman

  VNC allows you to remotely access a computer and use its desktop, either over the Internet or from another room in your house. Windows includes a Remote Desktop feature, but it’s only available in Professional editions of Windows. Some people may prefer TeamViewer or another service instead, but VNC allows you to install and manage your own server without using a centralized service. VNC clients and servers are available for all platforms, but we’ll be covering Windows here. Image Credit: photosteve101 on Flickr How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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• 12.04 server on home network

  - by dustin mantei

  I need advice to help me with a server install, I'm new to ubuntu and linux in general. I have 6 systems in my house, 5 being windows 7 and this laptop that I am typing on is Linux mint 13 Maya. Question is, my wife will not transition to anything. She is stuck in Gates-land. so, can I make a server with ubuntu 12.04 (burnt disc image last night) so that all systems in my home can access and my mother-in-law in another state can also access with a username? That would be awesome and it may convince the war dept (my wife) to change all the systems in my house to ubuntu/linux. Sorry this is so long winded, but all the questions I have seen on this forum don't answer it completely.

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• Couldn't run loadjava on user schema to load dbwsclientws.jar dbwsclientdb102.jar

  - by padmaja

  I am trying to load oracle webservice client jars to my schema. I did set the PATH to inlcude: /u01/app/oracle/product/10.2.0/db_1/bin When I try to run loadjava as "loadjava -u myschema/myscehmapwd -r -v -f -genmissing dbwsclientws.jar dbwsclientdb102.jar" I am getting error: Exception in thread "main" java.lang.NoClassDefFoundError: oracle/aurora/server/tools/loadjava/LoadJavaMain. Does it mean that jvm is not setup on the box? How can I check if the jvm is enabled or not? I am running it on Oracle 10g in UNIX environment. Any help with the issue is greatly appreciated.

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