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• New Java EE 6 Hands-On lab, Devoxx-approved!

  - by alexismp

  A new Java EE 6 HOL (Hands-On Lab) was successfully used yesterday at Devoxx with a room packed with enthusiast conference participants. This is new material which covers a lot of Java EE ground in a single document. As it is the case for most GlassFish-related labs, the list of software requirements is dead-simple and short: a recent JDK (6 or 7) and NetBeans 7.x ("Java EE" or "All") which comes with GlassFish. Of course GlassFish can also be downloaded separately and used from other IDEs such as Eclipse and IntelliJ or even (Emacs). The didactic nature of the HOL document should make it useful for anyone interested in learning Java EE 6 on their own time and pace. If you have feedback about the content or about GlassFish, make sure you voice your concerns (or praises) to the GlassFish Users alias as indicated in the document. Feedback will be taken into account in the form of updates to the document as well as enhancements to GlassFish (ideally in 3.1.2).

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• What&rsquo;s new in ASP.NET MVC 2 Wrox Blox available for purchase

  My latest book, the Whats new in ASP.NET MVC 2 Wrox Blox, is now available for purchase from the Wrox store at the cost of US $6.99. For those who are not familiar with them, Wrox Blox are short and concise ebooks that cover very specific topics. Ranging from 30 to 70-80 pages, they are a very good option in case you need to solve a specific problem, or learn a specific technology, but you dont to buy a whole book only when you would read a chapter or two. And this ebook is exactly like that:...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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• gt 555m instead of gt540m

  - by gangov

  Im gonna be really short. My Acer Aspire 5755G lap top has a Nvidia geforce gt 540m. But when i start lspci | grep VGA it shows me the following: ^[[Agangov@gangov-Aspire-5755G:~$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: nVidia Corporation GF106 [GeForce GT 555M] (rev a1) Im really not familiar with the additional drivers in ubuntu. Can somebody tell me what should i do you my VGA properly?? Thank you in advance.

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• Staying concentrated during small pauses [migrated]

  - by 9000

  My workflow includes some steps that make me wait for 0.5 to 2 minutes to complete: long remote git operations, creating / rebooting an instance in the cloud, etc. It's safe to assume that these operations cannot be made any faster. The resulting delays are the biggest flow-breakers for me. These are too long to just sit and stare at the progress indicators, but too short to take a walk and grab a coffee. Temptation to check some websites is big, and it's often a road to 20-30 minutes of procrastination + the time to get into the flow again. What are your coping strategies?

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• Space in img:s "ALT" attribute good/bad for search engines?

  - by Camran

  I am trying to make it easier for search engines to crawl my website, as it is almost 100% dynamic. I have a couple of transparent images which are actually links to sections of my page. I wonder, if I add an "alt" attribute containing space characters to explain the target, will this improve SE rankings etc? For example: <img src="blabla.png" alt="post new classified"> Or will this just result in errors? Ànd, what should I put in the alt attribute if I can't use space? PS: Another different and short question, will javascript-rich content make a page less important to crawlers? Thanks

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• Need your opinion: which domain should I use for the blog?

  Reader new to my blog might have wondered why blog lives in a .NZ domain: to make a long story short is because when I started my blog I was soo excited about my relocation to New Zealand that I registered a .NZ domain. Then I came back to Italy, and started to work in Milano. Last autumn I had to chance to go back to New Zealand again, but at the same time the offer to work for an European Institution arrived. And then my .net.nz domain didn't make sense any more. And because it seems like I've...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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• Wi-Fi connections gets Idle

  - by marcocamejo

  I am having this terrible problem. I have read a lot of people getting disconnected from the Network, it is not my case, I don't get disconnected, the connection just gets "idle" most of the time. It only works for short periods of time (seconds, a couple of minutes at most), then gets dead, then works again, and so on. It is annoying. I am using Ubuntu 11.10 on a Dell M5030 laptop. I have Windows 7 installed too, and of course with it, the wifi works perfectly. Any idea? advice?

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• More complex learning source for C# .NET [closed]

  - by Leron

  By complex I don't mean more difficult but including a larger area of possibilities cover. I've started a few years ago with PHP and the transition from learning the syntax of the language and the basic logical structures to working with databases, including JavaScript and so on was very short. And now I'm more interested in studying working with languages like Java/C#. Recently I spend a lot of time reading and writing some simple console applications, I've read almost 2K pages for C# programming and still don't know how to connect to database for example. Just for info I'm interested in web development, socket programing and live streaming, don't know if I'm exceeding myself too much writing that but despite that I want to find some books/internet sources where I can extend my current knowledge of C#/.NET, start using database queries, maybe try something more complicated webwise.

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• Help me to find a good name for my website

  - by framomo86

  Hi guys, I have a web marketing question for you. I'm looking for a good domain name for my web app. This site is about writing. Any kind of user generated writings including poetry, aphorisms, short stories, song lyrics etc. I have some candidates, but I think it can be better. . I want the name to promote very good quality words, not just random facebook-like status updates. This is my list, but I think you can do better, any help would be very very appreciated. I promise to add your name in my credit if i pick your answer. Thanks Yourwritings Youwrite Beautifulwords thewriter writingshare

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• Long lines of text in source code [closed]

  - by ale

  Possible Duplicate: Is the 80 character limit still relevant in times of widescreen monitors? I used to set a vertical line set at 80 characters in my text editor and then I added carriage returns if the lines got too long. I later increased the value to 135 characters. I started using word wrap and not giving myself a limit but tried to keep lines short if I could because it took a lot of time shortening my lines. People at work use word wrap and don't give themselves a limit.. is this the correct way? What are you meant to do ? Many thanks.

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• Get root access for copying files to /usr/share/...?

  - by Vinaychalluru

  To be short, I want to copy a folder to a location /usr/share/screenlets/..... I don't know how to do it. I am using Ubuntu 10.04. I tried by logging in as root from terminal giving "su with my password". I even changed my user account type to ADMINISTRATOR by giving the root password when asked, yet, no use. Think all of you know that, even the option PASTE in the context menu's list in the folder "/usr/share/..." is INACTIVE. How can I copy those files?

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• Already 3,333 tweets...

  Almost everything is about numbers, and this short blog entry includes the number of tweets written so far. ;) Quite frankly, I joined the Twitter bandwagon late... February 2010 or so. And within those 4.5 years I just came across an interesting milestone: 3,333 tweets 3,333 tweets since February 2010 Compared to some of my fellows here from Mauritius that's almost nothing... Anyways, Cheers and for the next 3,333 tweets. This time faster, hopefully.

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• Managing the Unload LPN Functionality for Inbound LPNs is as Easy as 1,2,3

  - by ToddAC-Oracle

  Resolve your WMS putaway issues as easy as one, two, three by using Doc ID 1479753.1 - How To Use The Unload Functionality for Inbound LPNs [Video]. You can review Doc ID 1479753.1 and see the easy setup steps and latest patches available to get the new Unload Functionality for Inbound LPN's. In the document, you can also review the short setup and demo video.The new functionality makes LPN clean up more robust, and makes it easier to work with LPNs that are in receiving and/or have missing/corrupted open move order lines or location discrepancies. Along with the original cleanup, you can work with stuck/pending putaway transactions for many common errors such as 'Invalid LPN', 'Unsuccessful Row Construction', 'Task Errored out', 'Online transaction failed', 'Unable to allocate space' while trying to receive, and inspect or putaway LPN's.So review Doc ID 1479753.1 and save hours by using the Inbound Unload Functionality for Inbound LPN's.

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• CSS&ndash;margin or padding

  - by woodbase

  I was beginning the implementation of a new design, and once again I found that my margin property on a div-tag, did not behave as I expected. So I decided to look for best practice when it comes to using margin or padding. What I found was this very short and concise description of the difference between the two: “Margin is on the outside of block elements while padding is on the inside. Use margin to separate the block from things outside it, padding to move the contents away from the edges of the block.” So what is best practice? Well it depends on the context. In my case I should have used padding…

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• Defaulting internet requests to wlan0 when also connected to eth0

  - by Dudemcman

  I am trying to configure an Ubuntu 10.04 desktop edition as a server. I currently have the DHCP server working through eth0. My problem is that I only have one Ethernet port, and am receiving Internet though a mobile hotspot on my phone through wlan0, and whenever I attempt to connect through wlan0 and eth0 I am unable to access the Internet through the server or the clients. When I disconnect from eth0 I then regain access. I have searched extensively for a solution, and have come up short. Any help is appreciated.

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• Video playing is slow on 12.04

  - by user58439

  I started using Ubuntu a very short time ago, and it was working perfectly! I upgraded to 12.04 yesterday, and today I realize that everything is running slow. For example, video streaming online, from sites such as Youtube is not working correctly, audio and video breaks constantly. I have a 64 bit system, with a Intel® Core™2 Duo, 2.10GHz × 2 . I don't know what more to add. I tried free -m on the terminal, it returned that I had only 524MB free from 3858MB. All that i have running at this point is Mozilla Firefox.

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• Improve Your Database Unit Testing Skills and Win Free Stuff

  As the SQL Developer community grows to embrace the benefits of test-driven development for databases, so the importance of learning to do it properly increases. One way of learning effective TDD is by the use of code kata – short practice sessions that encourage test-first development in baby steps. I have a limited number of licences for SQL Test to give away free – just for practicing a bit of TDD and telling me about it. Keep your database and application development in syncSQL Connect is a Visual Studio add-in that brings your databases into your solution. It then makes it easy to keep your database in sync, and commit to your existing source control system. Find out more.

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• Google Analytics data Missing for 4 days

  - by Shumaila

  I used wrong tracking id in my E-commerce tracking code for Google analytics and missed the data for few days. To add that missing data in my account I have written a short script which manually send all orders data for four days to GA account but what my concern is date : Those orders which already placed on different dates and , when if I run my script and so it will send my missing data with current date , which I do not want. ( I want to send date when that order is actually placed) do anyone help me with this ? I am really much stuck with my work here.

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• Cancelling WPF Application.Shutdown

  - by MarkPearl

  Today I spent the better part of an hour trying to figure out what I had had done wrong. I had an application that when the user click’s “exit”, it should prompt if they want to save the last unsaved file, or cancel the exit. If the select cancel it should not exit the application. Everything seemed fine in my code, all I was doing was calling Application.Current.Shutdown(); And then capturing the Closing event and setting cancel to true.. (see SO question here) Long story short, If should not have been calling Application.Current.Shutdown() but rather Application.Current.MainWindow.Close(). grrrr… <I must read documentation properly>

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• Why do so many people dislike C++?

  - by General K

  Beginners and professional, on blogs, in forums and chatrooms - people say it everywhere: C++ oh dear god no The short form of the question: For what reason is C++ so widely disliked and people are horrified by the imagination of using it for some project? I have been using a lot of different languages, including C++ by now, and I can only say that I really like it. I'm far more horrified by Delphi than by C++. Actually, I find it's an almost perfect, compiled language! I've been doing a lot of different projects in C++ as well, ranging from 3D video games to webservers and emulators for old video game consoles. And I still do not see the problem everyone else seems to have with it! It was hard for me to get into it of course, as it is quite complex and has a lot of depth, but after that it's simply great.

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• Are there any actual examples of profitable programmer's "worker's cooperatives"?

  - by Wannabe Tycoon

  http://en.wikipedia.org/wiki/Worker_cooperative I'm curious whether there are, anywhere in the world, worker's cooperatives that center on a technology business that involves either programming, IT, or some sort of IT or programming related consulting or services. The wikipedia link above is an overview of the concept. The short form explanation is that a co-op is a worker-owned business. Also there is the notion that every worker owns shares in the business. I am interested in knowing whether an example of a "programmer's/IT co-op" even exists. Note: I am not talking about nor asking about a government-funded incubator nor any other socialized, state supported group. I also don't mean "co-working", which is renting an office with other self employed people doing their own thing. I mean a going, profitable IT business operating in a competitive environment that is worker-owned and run.

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• NUnit vs. MsTest: NUnit wins for Unit Testing.

  People are still wondering what are the differences between the two most popular unit testing frameworks in the .NET world: the open source NUnit and the commercial MsTest). Heres a short list of what i remember instantly: Nunit contains a [TestCase] attribute that allows implementing parametrized tests. this does not exist in msTest MsTest's ExpectedException attribute has a bug where the expected message is never really asserted even if it's wrong - the test will pass. Nunit has an...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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• When choosing a domain does including your brand affect SEO performance?

  - by bpeterson76

  I've been asked to build a "landing page" for a local branch of an international corporation. While the corporation has a well-established domain name, the local office wants to use a unique, separate url that will be easy for them to relay to clients. However, the corporation is considered a category leader, so the local office is also concerned about the importance to carrying over the company's brand to the URL. Questions that have arisen: From an SEO perspective, is there a benefit to including the brand name in the URL? Would it be more beneficial to buy a domain that relates generically to the INDUSTRY as opposed to the specific brand name? Would the benefits of an easy-to-remember, short domain outweigh any SEO benefits that might be gained by a longer, brand-specific domain?

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• HTML5 apps

  Right now nobody’s interested in a mobile solution that does not contain the words “iPhone” and “app” and that is not submitted to a closed environment where it competes with approximately 2,437 similar mobile solutions.Compared to the current crop of mobile clients and developers, lemmings marching off a cliff follow a solid, sensible strategy. Startling them out of this obsession requires nothing short of a new buzzword.Therefore I’d like to re-brand standards-based mobile websites and applications,...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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• Free course on Java Embedded on the Raspberry Pi?

  - by A Tael

  Oracle is developing a free, on-line course on developing Oracle Java Embedded applications using a Raspberry Pi as the development platform. The course teaches experienced Java SE developers how to design and develop applications using Java ME Embedded 8 EA on a Raspberry Pi with physical devices, including: switches and Light Emitting Diodes (LED); temperature/barometric pressure sensors; Global Positioning System (GPS) sensors; and system interrupt timers. Additional modules include logging, threads, network I/O, file I/O, record management service, push registry, application management services and best practices for headless embedded devices.Sounds like great fun doesn't it? Read more about the course and give us your feedback in this short survey. <<Andy>>

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