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• LINQ to SQL select distinct from multiple colums

  - by Morron

  Hi, I'm using LINQ to SQL to select some columns from one table. I want to get rid of the duplicate result also. Dim customer = (From cus In db.Customers Select cus.CustomerId, cus.CustomerName).Distinct Result: 1 David 2 James 1 David 3 Smith 2 James 5 Joe Wanted result: 1 David 2 James 3 Smith 5 Joe Can anyone show me how to get the wanted result? Thanks.

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• Python iterator question

  - by hdx

  I have this list: names = ['john','Jonh','james','James','Jardel'] I want loop over the list and handle consecutive names with a case insensitive match in the same iteration. So in the first iteration I would do something with'john' and 'John' and I want the next iteration to start at 'james'. I can't think of a way to do this using Python's for loop, any suggestions?

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• How do you KISS ?

  - by Conor

  The KISS principal is a highly quoted design mantra. The aim of this principle is to stamp out unnecessary complexity on a project. This is a good thing, saving time, energy and money. It can lead to a relatively stress free implementation and a simple, elegant, maintainable end product. A lot of discussion on KISS provides mechanisms to simplify requirements, design and implementation. Things that spring to mind include: avoid scope creep; simple obvious design and code; minimal run-time dependencies; refactoring to maintain simplicity; etc. However there are a lot of implicit things that we do to KISS. Examples: small team sizes; minimal management layers; tidy desk; mastery of a single IDE; clear concise error messages; scripts to automate/encapsulate tasks; etc The purpose of this question is to derive a checklist of KISS items. I'm especially interested in non-obvious items.

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• FIREFOX UNRESPONSIVE

  - by James Tweed

  As my laptop hard rive was knackered i was adivsed to use ubuntu, it set-up perfectly. but i tried downloading google chrome and flash player because i couldnt watch any videos and now FIREFOX has become unresponsive. It says ' firefox is already running but it is not responding. To open a new window, you must firstr close the exisitng firefox process or restart your system I tried restarting but hasn't worked. Ubuntu also asked me if i wanted to do a update which i did, could this be a problem also. Need help desperately going insane James

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• No SQLCompact Edition Support IN VS 2013

  - by James Izzard

  Firstly apologies if this is a poor question - I am an engineer not a programmer. I have spent time moving from Visual Basic to C#. I have started C#/SQL tutorials. I have noticed VS 2013 has stopped supporting the compact edition database normally used for standalone desktop apps. Somebody has kindly written a plugin to re-implement support. I have also noticed a belief circulating that SQLite is to replace the compact edition. Would anybody be able to advise if this was accurate - I am slightly confused as to which database is best suited for desktop app development inside VS 2013. Any comment greatly appreciated. Cheers James

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• In the future, when mobile devices are embedded in your body, what kind of APIs might be availbe to an application developer?

  - by Conor

  Mobile devices have APIs that allow an application to send and receive SMS, make a phone call, determine location etc. In the future, when mobile devices are embedded in your body, what kind of APIs might be availbe to an application developer? EDIT: This is not intended to be a joke question (but what's the harm in some funny answers?). It's to spur a discussion on how one aspect of mobile device application could pan out and what kind of application might be available. For example: health monitoring - various APIs available to get body temperature, sugar levels, etc for transmission to your GP.

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• Fn keys for Brightness not working on Toshiba Satellite L755

  - by JAMES PARENTE

  I am running Ubuntu 12.04 and I love it! The only problem is the keys for my brightness, F6 and F7, does not work when I am on battery power or AC power. It randomly works after I am idle for a while and log back in. The other weird thing is to see my battery indicator, I need to toggle my touch pad button that is right above the actual pad on and off for it to show up, and then back on so I can use my touch pad, obviously. The only other Fn buttons that work on my laptop is the button to mute (F1) Touch pad on and off (F9) and Fn+3 and Fn+4 for my volume. The only Fn buttons that I care if they work again are my brightness, which again, are F6 and F7. Thanks! James

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• How do I prevent a ManyToManyField('self') from linked an object to itself?

  - by dyve

  Consider this model (simplified for this question): class SecretAgentName(models.Model): name = models.CharField(max_length=100) aliases = ManyToManyField('self') I have three names, "James Bond", "007" and "Jason Bourne". "James Bond" and "007" are aliases of each other. This works exactly like I want it to, except for the fact that every instance can also be an alias of itself. This I want to prevent. So, there can be many SecretAgentNames, all can be aliases of each other as long as "James Bond" does not show up as an alias for "James Bond". Can I prevent this in the model definition? If not, can I prevent it anywhere else, preferably so that the Django Admin understands it?

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• Good 3D Game Engine for the Horror Genre [on hold]

  - by James Wassall

  I am starting to think about and design (pencil drawings) a simple, horror game. I'm in need of a good engine which supports features like Dynamic Lighting (for a characters flashlight) and dynamic shadows. My first choice was obviously Unity3D, as its free and is (supposedly) the easiest to use. However, I believe that a lot of features are locked for the Pro version (a $1500 investment). Is there any good, free engines that support dynamic events? I have read a lot of posts recommending the Source engine but I don't want to make a mod, I would like to make a fully featured standalone game. I'm not looking for opinions on "Which engine you prefer" or "Which engine do you use", all I would like is to be presented with the facts. -James

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• Is it a bad idea to release software on the night before Christmas?

  - by Conor

  We're about to go live with a new version of our system. It's getting really close to Christmas. I work in a very small company. Everyone will be on leave or sporadically available over the next week or so. I've argued with my boss that this is very risky and that we should go live in the new year when everyone is back and when we can provide full support. He is unflinching - he argues that we need to go live sooner - so that we can get new users and more revenue which we need. The number of new users will be minor amount over the next week or so. There has been a decent amount of system testing performed on the system. However a new live system, in my experience, needs a lot of care and attention in the first few days. Am I being pessimistic or realistic? Update - January: The system did not go live over Christmas. Ongoing system testing revealed various problems. So no support issues to deal with. Still preparing for release...

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• How do you KISS?

  - by Conor

  The KISS principle is a highly quoted design mantra. The aim of this principle is to stamp out unnecessary complexity on a project. This is a good thing, saving time, energy and money. It can lead to a relatively stress free implementation and a simple, elegant, maintainable end product. A lot of discussion on KISS provides mechanisms to simplify requirements, design and implementation. Things that spring to mind include: avoid scope creep; simple obvious design and code; minimal run-time dependencies; refactoring to maintain simplicity; etc. However there are a lot of implicit things that we do to KISS. Examples: small team sizes; minimal management layers; tidy desk; mastery of a single IDE; clear concise error messages; scripts to automate/encapsulate tasks; etc Why KISS practices do you apply? How have they been of benefit? I'm especially interested in non-obvious practices.

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• Ripping MP3s in Rhythmbox Ubuntu 12.10 (64 bit)?

  - by James Fellows Yates

  I installed a couple of days ago Ubuntu 12.10 (64 bit). I today tried ripping a CD in the MP3 format. However, whenever I try to rip, it says it is missing an extra multimedia plugin "Gstreamer extra plug-ins (i386)". I then try to install the :i386 version of the gstreamer-ugly plugins, but then I get the same problem but with the id3-demuxer (or something similar) The Terminal output I get from both problems (but replace the "MPEG-1 Layer 3 (MP3) encoder" with the "ID3-demuxer" name) is: james@clefairy:~$ rhythmbox (rhythmbox:24122): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed Rhythmbox-Message: Missing plugin: gstreamer|0.10|rhythmbox|MPEG-1 Layer 3 (MP3) encoder|encoder-audio/mpeg, mpegversion=(int)1, layer=(int)3 /usr/lib/python2.7/dist-packages/gobject/constants.py:24: Warning: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed import gobject._gobject It doesn't help that each time I have to install/remove the entire Gstreamer-ugly collection each time - I can't find that specific file. The CD plays fine, it's the ripping plugin that doesn't seem to work. I didn't have this problem previously on 12.04 (64 bit).

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• What implementation problems are still soaking up all of your time?

  - by Conor

  What implementation problems has the industry claimed to have solved many times, but are still soaking up all of your time? Examples: Cross platform GUI - mobile devices have blown this issue wide open. OO to RDBMS mapping - how do I map this attribute to that field in that database using that framework. You get the idea. Interface definitions - ..., CORBA, COM, EJB, WSDL, ..., etc Can you think of any others?

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• Views : ViewControllers, many to one, or one to one?

  - by conor

  I have developed an Android application where, typically, each view (layout.xml) displayed on the screen has it's own corresponding fragment (for the purpose of this question I may refer to this as a ViewController). These views and Fragments/ViewControllers are appropriately named to reflect what they display. So this has the effect of allowing the programmer to easily pinpoint the files associated with what they see on any given screen. The above refers to the one to one part of my question. Please note that with the above there are a few exceptions where very similar is displayed on two views so the ViewController is used for two views. (Using a simple switch (type) to determine what layout.xml file to load) On the flip side. I am currently working on the iOS version of the same app, which I didn't develop. It seems that they are adopting more of a one-to-many (ViewController:View) approach. There appears to be one ViewController that handles the display logic for many different types of views. In the ViewController are an assortment of boolean flags and arrays of data (to be displayed) that are used to determine what view to load and how to display it. This seems very cumbersome to me and coupled with no comments/ambiguous variable names I am finding it very difficult to implement changes into the project. What do you guys think of the two approaches? Which one would you prefer? I'm really considering putting in some extra time at work to refactor the iOS into a more 1:1 oriented approach. My reasoning for 1:1 over M:1 is that of modularity and legibility. After all, don't some people measure the quality of code based on how easy it is for another developer to pick up the reigns or how easy it is to pull a piece of code and use it somewhere else?

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• fedora12, yum not releasing "lock" after performing an action

  - by James.Elsey

  Hello, This problem has been occurring quite frequently recently and I can't seem to find a way of preventing it. Whenever I perform an action with yum such as to install or remove software, it appears to execute successfully but then I'm unable to move onto the next yum command For example, I executed yum remove skype, it appeared to remove ok, but next when I try to yum search skype it appears that yum is still processing, and I have to manually kill that process via kill 1234 (or whatever the PID is) My output is as follows [root@nevada james]# yum remove skype Loaded plugins: presto, refresh-packagekit Setting up Remove Process Resolving Dependencies --> Running transaction check ---> Package skype.i586 0:2.1.0.47-fc10 set to be erased --> Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Removing: skype i586 2.1.0.47-fc10 installed 24 M Transaction Summary ================================================================================ Remove 1 Package(s) Reinstall 0 Package(s) Downgrade 0 Package(s) Is this ok [y/N]: y Downloading Packages: Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Erasing : skype-2.1.0.47-fc10.i586 1/1 Removed: skype.i586 0:2.1.0.47-fc10 Complete! [root@nevada james]# yum search skype Loaded plugins: presto, refresh-packagekit Existing lock /var/run/yum.pid: another copy is running as pid 3639. Another app is currently holding the yum lock; waiting for it to exit... The other application is: PackageKit Memory : 79 M RSS (372 MB VSZ) Started: Fri Dec 18 08:39:18 2009 - 00:01 ago State : Sleeping, pid: 3639 Kernel version : 2.6.31.6-166.fc12.x86_64 Any ideas how I can prevent this behaviour? Thanks

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• SQL Query to retrieve highest item up to a point in a group

  - by James

  The best way of describing this is I have a table of people with their names and ages. Assume that people with the same surname are from the same family. I need a query in oracle which will retrieve a list of the oldest person in each family, but not older than a certain age. Table: person name surname age =============================== James Smith 23 Sarah Powell 17 Barry Smith 31 Mark Smith 35 Mary Smith 18 Bob Powell 30 How do I retrieve the oldest person in each family under 30? Results I'm after name surname age =============================== James Smith 23 Sarah Powell 17

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• Ruby gems gone after after jruby install

  - by James

  Today I installed jruby by downloading it, extracting it to /home/james/jruby-1.4.0 and adding the following line to .bashrc export JRUBY_HOME=/home/james/jruby-1.4.0 export PATH=$JRUBY_HOME/bin:$PATH And then I installed some jruby gems via jruby -S gem install ... Jruby works fine, but this seemed to have cause two problems: 1) When I try to run a ruby (not jruby) on rails migration, I see: Missing the Rails gem. Please `gem install -v= rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed. 2) when I do gem list --local, I only see the gems that I've installed for jruby. Launching web applications via ruby script/server succeeds without any warnings. Please help.

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• Favorite moments of JavaOne

  - by Tori Wieldt

  There are so many events and sessions to attend at JavaOne, it's unfair to ask people to choose just one thing they liked, but here are some favorite moments: I loved meeting many open source contributors and friends I have not met in person before and seeing that projects like e.g. Hudson are alive and kicking and have a great future ahead of them. -Manfred Moser My "The Problem with Women" session. It had LOADS of interactivity from the audience, who really helped to make that session.  I came out if it with a real sense of optimism - we love our jobs, we love what we do, and we should be proud of telling everyone about it to attract different talent into the industry. (Read her blog JavaOne: The Problem With Women - A Technical Approach for details.) -Trish Gee My kudos to Oracle for making the presentation materials quickly available to the public. Some of them were already available during JavaOne. Lots of slide decks are already there, and in some cases you may even find the video recordings too. Go to http://www.oracle.com/javaone and select JavaOne Technical Sessions.  -Yakov Fain I loved that not only was James Gosling present at the Community Keynote (which felt more like the keynotes of old times [big space, big screens, fun and tech]) but he was also found wandering the halls of the Hilton the day prior. Bring back James! Add back the toys section in the Community Keynote. Let the t-shirt tossing begin anew. These are "small" things that really fire up the community. -Andres Almiray Seeing James Gosling at JavaOne was a real shot in the arm for Java.  He needs to be there every year. -Frank Greco +42 on having James and the T-shirt tossing. -Stephan Janssen The session "Integrate Java with Robots, Home Automation, Musical Instruments, and Kinect." Fabiane Nardon explained connecting Jenkins to jHome to a truck horn placed in their sysadmin's bedroom. She dubbed it "extreme feedback."  -Tori Wieldt The User Group Forum [on Sunday] was a success! Congratulations Bruno Souza and John Yeary and everybody that were involved. I believe it really helps to increase community participation! There were lots of interesting talks, and great discussion with JUG leaders and members. Thank you Oracle for supporting that! -Yara Senger What was your favorite moment? Please comment! 

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• NHibernate 3 Webcast - Open to Public – Thursday from Pluralsight

  This week for the very first time, we're giving all newsletter subscribers FREE access to our exclusive weekly webcast! Join us Thursday for a 45 minute presentation on NHibernate 3 presented by James Kovacs. James is an independent architect, developer, trainer and jack-of-all-trades. He also happens to be the instructor for our upcoming NHibernate virtual classroom course next week. LiveMeeting Login Add to outlook calendar Thursday 20 Jan 2011 - 09:30PM IST, 11:00 AM EST , 16:00 UTC span.fullpost {display:none;}

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• WebLogic Weekly for June 27th, 2011

  - by james.bayer

  Blogs WebLogic Server JMS WLST Script – Who is Connected To My Server by James Bayer Fast, Faster, JRockit by Rene Tweets Chad Thompson provides a great reminder about the WLS Zip distribution which is down to 318Mb.  On a related note, there is also a very handy YouTube video showing how to get started with the Zip Distribution by Jeff West. Events Pieter Humphrey gave a keynote a Jax 2011 last week in San Jose covering Java EE 6 and WebLogic Server. InfoWorld’s JavaWorld posted an article which covers many of the Java sessions at Oracle Open World 2011 including this one: On the Road to Java EE 6 with Oracle WebLogic and Eclipse (15276).  Oracle's Erik Bergenholtz and Pieter Humphrey will present "On the Road to Java EE 6 with Oracle WebLogic and Eclipse." Their abstract is shown here: The developer Web profile is a key improvement in Java EE 6 servers, and Eclipse developers will want to work with it. This session demonstrates some aspects of the progress of Oracle WebLogic server on its road to Java EE 6 compliance and gives Eclipse developers a sneak peek at using Java Persistence API Release 2.0 and JavaServer Faces Release 2.0 with Oracle WebLogic Server.

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• WebLogic Weekly for June 20th, 2011

  - by james.bayer

  Welcome the first the first edition of the WebLogic Weekly.  The WebLogic Server team has been trying to extend our community outreach to new mediums like an Oracle WebLogic Youtube Channel (how-to videos and feature showcases), Twitter (sharing WebLogic links, typically blogs), and a Facebook page to do a better job sharing information, providing learning alternatives to product documentation and perhaps most importantly collecting feedback from all of our users using the tools they prefer.  This is our attempt to provide a round-up what has been going on in WebLogic over the past week.  If you would like to have something shared here, use the #weblogic tag on tweets, post on the Oracle WebLogic facebook page, or comment on these blog entries. Blogs WebLogic Server: Listing Groups of an Authenticated User by Steve Button Weblogic, QBrowser And Topics by Eric Elzinga Weblogic, Topics And (Non)-Durable Subscribers by Eric Elzinga Database Web Service using Toplink DB Provider by Vishal Jain WebLogic Server – Use the Execution Context ID in Applications – Lessons From Hansel and Gretel by James Bayer Getting All Server’s Lifecycle State in a Domain by Jay SenSharma Steps to Move Messages From One Queue To Another Queue Using WLST (Updated Version) by Ravish Mody Events If you want to share a story of something innovative you or your organization has done with WebLogic Server or other Fusion Middleware, you could win a pass to Oracle Open World 2011 and share the story there.  See Ruma Sanyal's posting on the Application Grid blog for details.  The deadline for submissions is July 22nd, 2011.

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• Site failing randomly - could it be Cloudflare or something weird in the JS?

  - by James

  I've been working on a simple site that uses javascript to fade through some fullscreen background images as well as some other simple animations. I've tested the site on Chrome, Safari, FF and Opera on OSX, IE8+ on Win7 and Chrome & FF on Ubuntu and everything looks as I'd expect it to. However, I've had reports of the site failing to load (stops at the stage where the background fades up) on Safari and Chrome on OSX and Win. I can't replicate this on any setup so I'm finding it impossible to troubleshoot. Google's instant preview shows the site fine as does most of the options at browsershots.org so I'm really scratching my head. I'm running the site's traffic through Cloudflare and I'm wondering whether anyone can see (or knows from other sites) why Cloudflare might be mangling the JS or causing a problem somehow (I don't get any errors in the JS error console). Of course, if you can replicate the problem on your machine and can suggest an area to look at that would be amazing but I'm hoping that, like me, you don't see any problem with the site! Here's the site: http://www.bighornrevelstoke.com Thanks, James

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• how to install mono xsp4 and fastcgi-mono-server4

  - by james lewis

  Quick question - I'm on Debian squeeze, running nginx fine and installed mono fine. Now I want to host a .net4 web application and as I understand it I'll need fastcgi-mono-server4 (and xsp4 when testing it out) - where do I get these packages? I tried apt-get install fastcgi-mono-server4 and same for mono-xsp4-base. When I did apt-get searchpkg mono I couldn't see anything relating to xsp4 or fastcgi server4. Any ideas what I'm doing wrong? (sorry for the rushed question) Regards, James

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• Unable to load configuration from uwsgi

  - by James Willson

  Since yesterday I have been wrestling with this problem: unable to load configuration from uwsgi When I google it, nothing comes up. I am trying to run UWSGI under nginx with a very simple uwsgi.ini file. The file is being pointed to correctly. Can anyone please explain what this error is, and how I ca go about diagnosing it and fixing it. If there is any more information I can post to help then please just ask. Regards, James

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• window login when web application is using network share in IIS 6

  - by James

  Hi, I have installed a web application which is configured using a network drive But i am keep getting a pop up asking for credentials looking in the event log, the network logon is set to my domain/account which looks fine however caller user name is empty (not sure if this is an issue) the application works fine when i use a local drive the application also runs fine when i set "connect as" user the application also works fine when a share on the local machine is used!! direct asses using the unc path is not a problem Please advise what i can do or should check Thanks and Regards, James

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