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• Chameleon effect not working after update

  - by Roshnal

  I've been using Ubuntu 12.04 since it came out and so far didn't have any problems with it. But after I updated (via Update Manager) it yesterday, after every reboot, the launcher color defaults to a blue dash, workspace and trash icon and the rest is black. If I set the wallpaper again manually, then it changes color as its supposed to (chameleon). Any idea why this is? Its really annoying to change your wallpaper every time you logon just to get the "normal" launcher. EDIT The chameleon effect works perfectly for notifications. Only the Launcher and Dash are not changing the color. Thanks.

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• Dev Connections / VS Launch April 2010 &ndash; Code!

  Just returned from the VS Launch last week, and as promised here is the code for my sessions. I will post a separate entry with all the code for my Azure Tutorial which was on Thursday. And, as always, if you are looking for something in particular and cant find it here, just drop me an email! AppFabric Access Control http://www.dasblonde.net/downloads/AccessControlSamples.zip Samples for both WCF/REST samples and web resources such as Web Form and ASHX Samples include a complete object model...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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• Move from JSON to Protobuf. Is it worth it?

  - by katit

  We have REST webservices that can serve XML or JSON (WCF). I'm toying with idea of implementing Protobufs. Why? PROS Less load on servers. Smaller message size - less traffic. It is easier to switch now than later. CONS Need to be implemented Going to be harder to troubleshoot/sniff messages for debugging. I can enable GZip on server and JSON will consume as much traffic What is your suggestion and/or experience on this?

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• Black screen on Ubuntu 12.04

  - by user1648371

  I've just upgraded to Ubuntu 12.04 and I'm experiencing some problems. The first thing I noticed is that when I click the Workspace switcher all I get is a black screen (I can guess where the different workspaces are located and clicked on them, not a practical solution though). In addition when I lock the screen or suspend the laptop (a Vaio VPCEB4M1E) I get a shifted screen (I see the right most vertical stripe on the left size of the monitor and nothing about all the rest, to put it clearly I can see the gear that allows me to turn the pc off, etc, but not much more..) when I go to the additional driver menu I see the "ATI/AMD proprietary FGLRX graphics driver" are installed and the post-release update version is available. I don't know if the problem is driver related, so before doing anything I'd like to get some suggestions from you guys. Thanks you!

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• Screen Resolution Problem with Ubuntu 14.04 and VirtualBox

  - by user3341257

  Environment: Lenovo T530 running Windows 7. Have installed Ubuntu 14.04 on a virtual machine using VM Virtual Box. Have installed all the updates from both Virtual Box and Ubuntu. Problem: While in Ubuntu's desktop and other Ubuntu initiated programs, the window is reduced to about 3x4 inches showing in the middle of the rest of my regular Virtual Box window. I am seeing only the upper right hand of the screen output of what I would normally see. Please help. I've seen How do I install Guest Additions in a VirtualBox VM? But, none of these answers works in 14.04.

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• Usefull skills from a computer science degree

  - by Tom Squires

  I did my degree in physics and moved later into programming. I have two and a half years experience under my belt and like to think I write good code. I am, however, concerned that not doing a compsci degree has left holes in my knowledge. I would like to fill those up now since I know I want to be doing programming for the rest of my career. What skills/techniques did you learn in your compsci degree that one wouldn't pick up from on-the-job programming?

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• Is it better to use preprocessor directive or if(constant) statement?

  - by MByD

  Let's say we have a codebase that is used for many different costumer, and we have some code in it that relevant only for costumers of type X. Is it better to use preprocessor directives to include this code only in costumer of type X, or to use if statement, to be more clear: // some code #if TYPE_X_COSTUMER = 1 // do some things #endif // rest of the code or if(TYPE_X_COSTUMER) { // do some things } The arguments I can think about are: Preprocessor directive results in smaller code footprint and less branches (on non-optimizing compilers) If statements results with code that always compiles, e.g. if someone will make a mistake that will harm the irrelevant code for the project he works on, the error will still appear, and he will not corrupt the code base. Otherwise he will not be aware of the corruption. I was always been told to prefer the usage of the processor over the usage of the preprocessor (If this is an argument at all...) What is preferable - when talking about a code base for many different costumers?

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• Access samba shares befor login

  - by everlearnin

  I installed Ubuntu 12.10 on an old Compaq C300. I want to use it to share my movies over lan so that the rest of my family can watch without hi-jacking my pc. I installed samba and shared the Public folder under the Home folder of my user account. But I can only access this folder from my Win 7 pc when I am logged in. If I log out or restart without logging in then I cannot access the shared folder. I am used to the Windows service that starts at boot making shared files available over the network before the user has logged in. How can I accomplish this in Ubuntu?

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• Improving FAQ SEO with multiple pages?

  - by asdfasdf

  I have a client who has over 200 Question/Answer style content blocks. Neither the questions or answers are very long and most of them have almost the same question but with a word or two differentiating themselves from the rest of the questions. Would SEO be helped or hurt if I would to put each QA on its own page with the title of the page the question being asked etc... Or, would that be considered "farming"? If not, what would be the best way (in SEO world) do present all these QAs? Thanks for any advice..

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• Can't cancel the lubuntu shutdown screen

  - by user292040

  I've bought a small 5 year old small netbook. I noticed that lubuntu runs great on it, as it doesn't use much space/resources. But the problem is, my screen is just too small. Whenever I press the shutdown icon, I go to the shutdown, logout, restart, ect panel but the cancel button is tucked away right where my screen seems to end. I can't go back, it forces me to use an option besides canceling, which I can't reach with my mouse.Is there any way to change this so I get access to the whole screen. The rest seems to be showing just fine, like the launchbar, which is cleary visible and useable. Another thing that bugs me is that whenever I start up, I get an error along the lines of "conflict detected with stolen region". I read that it has something to do with graphics but I have no idea how to get rid of it. The error doesn't seems to cause any trouble as far as I can see, but it's annoying.

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• Apache Virtual Host setup not working?

  - by user214243

  I had follow this link to setup my first virtual host with apache2 under ubuntu 12.x. Looks easy but is not working. [How to][1] My internal dns can resolv the name, but my browsers is not showing me my webpage. from my lan, Im using ubuntu server no GUI. Every time I point to my virtual host name, I receive apache default page, I cannot see my custom page. My docs are under /home/mydomain/public_html This is my settings: ServerAdmin webmaster@localhost ServerName example.com DocumentRoot /home/example.com/public_html Options FollowSymLinks AllowOverride None Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all The rest of the file is the same. No, I even try to change the port from *:80 to *:81, restart and don't see apache listen to port 81. My localDNS running in other machine works. What I forget?

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• comparing two tables [closed]

  - by sza

  I have two identical table ie all the columns are identical and one of the datatype is Text, one is varchar(255) and the rest are int. Lets say the table name is 'AAAAA'. Table AAAAA was processed and backed up earlier this month. Both the tables were storing data and now the second table is only storing data. I need to find unmatching records from the second table (BBBBB) which is storing data right now and add those records to Table AAAAA. Your help will be highly appreciated. I tried to use 'EXCEPT' but it does not support text datatype.

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• Two HTML elements with same id attribute: How bad is it really?

  - by danludwig

  Just browsing the google maps source code. In their header, they have 2 divs with id="search" one contains the other, and also has jstrack="1" attribute. There is a form separating them like so: <div id="search" jstrack="1"> <form action="/maps" id="...rest isn't important"> ... <div id="search">... Since this is google, I'm assuming it's not a mistake. So how bad can it really be to violate this rule? As long as you are careful in your css and dom selection, why not reuse id's like classes? Does anyone do this on purpose, and if so, why?

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• When should I clear an auxilliary render target?

  - by Raptormeat

  I'm using a few different render targets in my game in addition to the back buffer. These other render targets are only used in a few places, for specific tasks. I'm wondering when I should be clearing them. Right now I clear all of my render targets at the beginning of the frame, and it seems like I'm waiting for all the textures to clear before the rest of the drawing gets underway. Would it be more efficient to clear these textures later in the frame, when they aren't being used? Is there any hope of the GPU sort of clearing them "on the side" while unrelated rendering is happening? Or are these tasks always sequential and will I always need to wait for clearing?

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• Modern website/webapp setup

  - by onepiece

  I'm new to web development. From looking at popular open-source frameworks for both front-end and back-end, I have a general idea of what the modern full-stack web setup looks like: Database <- Back-end language ~ REST API <- Front-end Notes: The back-end language (Python, Ruby, PHP, Java) generates the API, which is the only layer between the back and the front. The API will have authentication to protect private data. The front-end sends GET and POST requests to the API. A MVC framework can be used, such as Backbone, Angular, or Ember.js. Does this align with best practices for web development?

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• What is the difference from the push and pull development models?

  - by michelpm

  I was reading Extreme Programming Explained, Second Edition and in the chapter 11 "The Theory of Constraints" the authors talk about the old and obsolete "push" development model and the XP way, the "pull" development model. It looks like a quite important concept, but it takes only a very small paragraph and two images that are mere illustrations of the "waterfall" and iterative process, nothing specific about these models except by the image caption. I searched and it doesn't go any further about it in the rest of the book. I couldn't find any further explanations or discussions about it in the Internet either. If the only difference about those is that one is "waterfall" and the other is iterative, them why push and why pull? Does anyone understand what is really the difference between those two and give some good examples?

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• In choosing a service-oriented architecture framework that needs to work with .NET and with Java, what to look for?

  - by cm007

  I planning to write an application in which there will be a service (call it A) listening for particular commands. This service will then relay those commands to other services (call them B and C) which are written, respectively, in .NET and Java (service A chooses which of service B or C to which to relay depending on the contents of the request to service A). I am looking for a framework that will allow for interoperability with both .NET and with Java, for example WCF or JAX-WS, or writing a custom framework (e.g., JSON REST commands over HTTP, similar to http://code.google.com/p/selenium/wiki/JsonWireProtocol). What questions/aspects should I consider in deciding?

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• Found a better solution to a problem at work - should I deter from posting the code snippet online?

  - by Calmarius

  I think most of us, programmers, used Stack Overflow to solve every day problems: looked for an efficient algorithm to do something. Now imagine a situation: you have a problem to solve. Googled a bit, found a StackOverflow question but you are not really satisfied with the answers so far. So you have to do your own research: you need to do it because you want it in the company's app. Eventually after some hours you have found the better solution. You're happy, you added it to the company's code base, then you want to submit your answer with a code snippet (just several lines) to the question you've found before to help others too. But wait: the company's software is closed source, and you worked on it on the clock. So does this mean I shouldn't post the answer neither at work nor at home to that question in the rest of my life, because I solved it at work, and the company owns that piece of code?

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• Grouping GridView on Windows 8

  - by nmarun

  It took me a few minutes to get the grouping working on the GridView on my Windows 8 app. I’m sharing what I did just so others can get it working sooner and go by the rest of their work. In VS 2012, I added a Grouped Items Page to my Windows 8 application project. By default, the template will add some sample data, so you can just run it to see how things look. Let’s see what it takes to show our custom data on the page. I’ll stat with the data source. 1: public class Team 2: { 3: public Team( string...(read more)

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• Announcing Oracle Solaris 11.1

  - by Larry Wake

  This morning, we announced Oracle Solaris 11.1, the first update to Oracle Solaris 11.This builds on all the things we've done to make Oracle Solaris the best operating system for enterprise cloud computing, so no surprises on what we've focused on: enhancements for cloud infrastructure, extreme availability for enterprise applications, and continued payoff from our co-engineering work with the rest of the Oracle software portfolio. You can learn more by visiting oracle.com/solaris, and our Oracle Technology Network Oracle Solaris 11.1 page. If you're at Oracle OpenWorld, be sure to attend Solaris engineering VP Markus Flierl's general session at 10:15 today, in Moscone South 103, where he'll be going into detail on Oracle Solaris 11.1 . And, be sure to sign up for our online launch event on November 7th, featuring Markus, fellow engineering VP Bill Nesheim, and a deep bench of Solaris engineers. It's hard to believe that it's been 20 years since Solaris 2.0 first shipped -- stay tuned for the next 20!

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• Road to advanced Programming [closed]

  - by Srivalli Chitrapu

  I am currently working as an SDET(Software devlopment Engineer in Test). I have been doing some programming in C# as my job needs. I want to expand my knowledge and experience by creating some simple tools and applications of my own. Consider this like academic projects that are created by students at the end of their course . The idea is to have a practical knowledge on the subjects that I have a theoritical knowledge about. For Eg - I have read about multithreading and have worked on the examples but I do not have a grip over the concepts. In order to get a good grip over the concepts I want to work over some projects involving multithreading, starting with a simple one. Similarly other concepts like REST/SOAP web services using WCF. How should I design a curriculum for my self to go about learning these concepts/ technologies and creating some projects of my own. Thanks, Srivalli

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• Limiting the speed of a dragged sprite in Cocos2dx

  - by Frozsht

  I am trying to drag a row of sprites using ccTouchesMoved. By that I mean that there is a row of sprites (they are colored squares) lined up next to each other and if I grab one with a touch the rest follow it. However, if the sprite that is selected by touch moves too fast it creates a slight gap between it and the following sprites. How do I go about limiting the speed that I can drag the sprite with ccTouchesMoved? This is the only solution I could think of to my problem. If anyone has another suggestion to prevent this sprite gap from happening I would appreciate it.

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• Clean install of 12.04 won't boot from HDD

  - by MarchingKazoo

  Downloaded 12.04.2. Made CD. Machine boots from CD as expected. Installed onto HD. Upon reboot, "Read error" message appears. Upon booting from CD, the HD appears as expected: One partition for Ubuntu, taking up about 12 gig, the rest empty. Lather, rinse, repeat five times. Results of "sudo fdisk -l": Disk /dev/sda: 200.0 GB, 200049647616 bytes 255 heads, 63 sectors/track, 24321 cylinders, total 390721968 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000dfa3e Device Boot Start End Blocks Id System /dev/sda1 * 2048 386596863 193297408 83 Linux /dev/sda2 386598910 390721535 2061313 5 Extended /dev/sda5 386598912 390721535 2061312 82 Linux swap / Solaris Should this be complicate? Seems no.

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• C# WPF to Embedded programming transition

  - by Cheltoonjr

  I've been learning C# .NET Framework for around 4-6 months (still starting) using some books, and have currently made my way up to Collections and Generics. I'll probably spend the next two months covering the rest up to LINQ and/or Garbage Collections. The thing is, I started to get interested in embedded systems and found out that you can use C# to code it through .NET MF, which mean I wouldn't have to learn C or C++. So, I would like to know if the knowledge I'll have by that time (2 months) will be enough to start working on Embedded (using C# .NET Micro Framework and Netduino) or I should probably see more about plain C# like Multithreading, async and other advanced features ? I want use embedded just as a hobby, at least by now, as I'll still have a long way through university. Although, I'll probably pick it as a career then. Thanks in advance!

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• Google Voice API for .NET

  - by lennykean

  There is no official API for Google Voice. However, many of the operations are done via simple rest style http calls, so building one shouldn’t be too difficult. Digging deeper and rolling your own is always a great way to exercise your problem solving skills and learn new things. So I did just that. As of the time of writing this, I’m only implementing basic SMS send since that’s all I needed. I’m hoping to implement more functionality in the future. In my next post, I’ll be using the SMS functionality to implement 2 factor authentication with ASP.Net MVC.

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