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  • Simple web-frontend for remote svn administration?

    - by Stefan Lasiewski
    We run a SVN repository. Some of our more advanced users need to be able to perform some SVN administration without relying on the system administrator. They need to be able to do things like create SVN repositories, delete SVN repositories,, and perform commands like 'svnadmin dump' and 'svnadmin load'. We'd like to avoid SSH access on these FreeBSD machines, and would rather provide a service interface through a Web UI. I'm looking for a simple script (or a small number of scripts) which use Perl or PHP. I found svnadmin or svnadmin.pl, but was hoping to find something with a larger user community or which has been recommended by others. It looks like Trac allows SVN administration, but comes with may more features then we need.

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  • "Programming error" exceptions - Is my approach sound?

    - by Medo42
    I am currently trying to improve my use of exceptions, and found the important distinction between exceptions that signify programming errors (e.g. someone passed null as argument, or called a method on an object after it was disposed) and those that signify a failure in the operation that is not the caller's fault (e.g. an I/O exception). As far as I understand, it makes little sense for an immediate caller to actually handle programming error exceptions, he should instead assure that the preconditions are met. Only "outer" exception handlers at task boundaries should catch them, so they can keep the system running if a task fails. In order to ensure that client code can cleanly catch "failure" exceptions without catching error exceptions by mistake, I create my own exception classes for all failure exceptions now, and document them in the methods that throw them. I would make them checked exceptions in Java. Now I have a few questions: Before, I tried to document all exceptions that a method could throw, but that sometimes creates an unwiedly list that needs to be documented in every method up the call chain until you can show that the error won't happen. Instead, I document the preconditions in the summary / parameter descriptions and don't even mention what happens if they are not met. The idea is that people should not try to catch these exceptions explicitly anyway, so there is no need to document their types. Would you agree that this is enough? Going further, do you think all preconditions even need to be documented for every method? For example, calling methods in IDisposable objects after calling Dispose is an error, but since IDisposable is such a widely used interface, can I just assume a programmer will know this? A similar case is with reference type parameters where passing null makes no conceivable sense: Should I document "non-null" anyway? IMO, documentation should only cover things that are not obvious, but I am not sure where "obvious" ends.

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  • Branded Application Pages (layouts pages) in SharePoint 2010

    - by Sahil Malik
    Ad:: SharePoint 2007 Training in .NET 3.5 technologies (more information). Application pages are now branded by default in SharePoint 2010. WOOHOO!!! The DynamicMasterPageFile attribute in SharePoint 2010 master pages allows application pages start using the site’s master page instead of the application master page. If you want backwards compatibility with SharePoint 2007, i.e. you want unbranded application pages, here is what you can do, a) You can change the MasterPageReferenceEnabled property to false in your SPWebApplication object, orb) Go to central administration\application management\manage web application\select your web app … go to the ribbon, look for general settings\general settings, and detach application pages from the site’s master page. I don’t see why you’d ever wanna do that, but hey if you want to .. go for it. This article was first published on blah.winsmarts.com. Stealing content is not cool. Safeguarded application pages Now for the fine print, there is something called as “Safeguarded application pages” in SP2010. These are pages, that IF IN CASE your custom master page screws up, they will automatically revert to use a master page that is guaranteed to work in the _layouts folder. Now that’s nice! That means, if you screw up, you always have a way to fix things. How nice! Here is a list of such safe guarded application pages - AccessDenied.aspx MngSiteAdmin.aspx People.aspx RecycleBin.aspx ReGhost.aspx ReqAcc.aspx Settings.aspx UserDisp.aspx ViewLsts.aspx Have fun! Comment on the article ....

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  • JMX Monitoring of GlassFish Servers

    - by tjquinn
    Did you ever wonder what this message in your GlassFish server.log file means? JMXStartupService has started JMXConnector on JMXService URL service:jmx:rmi://192.168.2.102:8686/jndi/rmi://192.168.2.102:8686/jmxrmi It means you can monitor any GlassFish server process, remotely or locally, using any standard Java Management Extensions (JMX) client.  Examples: jconsole or jvisualvm.   Copy the part of the log message that starts with "service:" into the Add JMX Connection dialog of jvisualvm:  or into the New Connection dialog of jconsole: (The full string is truncated in the on-screen display, but if you copied from the server.log and pasted into the form it should all be there.) The examples above are for a DAS, and your host will probably be different.   The server.log files for other GlassFish servers (instances) will have similar log entries giving the JMX connection string to use for those processes.  Look for the host and/or port to be different. Note a few things about security: Here we've assumed you are using the default admin username and password.  If you are not, just enter a valid admin username and password for your installation.  Once connected, you have normal access to all the JVM statistics and controls. You can use JMX clients that support MBeans to view the GlassFish configuration.  When you connect to the DAS, you can also change that configuration, but you can only view configuration when you connect to an instance. To use a JMX client on one system to connect to a GlassFish server running on another system, you need to enable secure admin if you have not already done so: asadmin change-admin-password (respond to the prompts) asadmin enable-secure-admin asadmin restart-domain (as prompted in the output from enable-secure-admin)

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  • OOP for unit testing : The good, the bad and the ugly

    - by Jeff
    I have recently read Miško Hevery's pdf guide to writing testable code in which its stated that you should limit your classes instanciations in your constructors. I understand that its what you should do because it allow you to easily mock you objects that are send as parameters to your class. But when it comes to writing actual code, i often end up with things like that (exemple is in PHP using Zend Framework but I think it's self explanatory) : class Some_class { private $_data; private $_options; private $_locale; public function __construct($data, $options = null) { $this->_data = $data; if ($options != null) { $this->_options = $options; } $this->_init(); } private function _init() { if(isset($this->_options['locale'])) { $locale = $this->_options['locale']; if ($locale instanceof Zend_Locale) { $this->_locale = $locale; } elseif (Zend_Locale::isLocale($locale)) { $this->_locale = new Zend_Locale($locale); } else { $this->_locale = new Zend_Locale(); } } } } Acording to my understanding of Miško Hevery's guide, i shouldn't instanciate the Zend_Local in my class but push it through the constructor (Which can be done through the options array in my example). I am wondering what would be the best practice to get the most flexibility for unittesing this code and aswell, if I want to move away from Zend Framework. Thanks in advance

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  • SSMS hanging without error when connecting to SQL

    - by Rob Farley
    Scary day for me last Thursday. I had gone up to Brisbane, and was due to speak at the Queensland SQL User Group on Thursday night. Unfortunately, disaster struck about an hour beforehand. Nothing to do with the recent floods (although we were meeting in a different location because of them). It was actually down to the fact that I’d been fiddling with my machine to get Virtual Server running on Windows 7, and SQL had finally picked up a setting from then. I could run Management Studio, but it couldn’t connect at all. No error, it just seemed to hang. One of the things you have to do to get Virtual Server installed is to tweak the Group Policy settings. I’d used gpupdate /force to get Windows to pick up the new setting, which allowed me to get Virtual Server running properly, but at the time, SQL was still using the previous settings. Finally when in Brisbane, my machine picked up the new settings, and caused me pain. Dan Benediktson describes the situation. If the SQL client picks up the wrong value out of the GetOverlappedResult API (which is required for various changes in Windows 7 behaviour), then Virtual Server can be installed, but SQL Server won’t allow connections. Yay. Luckily, it’s easy enough to change back using the Group Policy editor (gpedit.msc). Then restarting the machine (again!, as gpupdate /force didn’t cut it either, because SQL had already picked up the value), and finally I could reconnect. On Thursday I simply borrowed another machine for my talk. Today, one of my guys had seen and remembered Dan’s post. Thanks, both of you.

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  • REST Service and CQRS

    - by Paul Wade
    I am struggling with architecture on a new project. I am using the following patterns/technology. CQRS - anything going in goes through a command REST - using WebAPI MVC - asp.net mvc Angular - building a spa nhibernate I belive this provides some great separation and should help keep a very complex domain from growing into a giant set of services that mix queries with other business logic. The REST services have become non restful. They are putting methods in rest that are "SearchByDate", "SearchByItem" etc. Service Methods that execute commands are called with a "web" model class, a new command is built in the service and executed, I feel like there is a lot of extra code. I expected this to be much different but I wasn't around to keep things on track. Finally my questions are this... I would have liked to see PUT Person (CreatePersonCommand) but then I realized that isn't restful either is it? the put should be a person entity not a command. Can I make CQRS and REST service work together or am I going about this all wrong? How do I handle service methods that don't fit into a REST model. I am not performing CRUD on the object but rather executing some business logic. I.E. I don't want the UI to be responsible for how a shipment is "unshipped" I want the service layer to worry about that.

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  • Best practices for using namespaces in C++.

    - by Dima
    I have read Uncle Bob's Clean Code a few months ago, and it has had a profound impact on the way I write code. Even if it seemed like he was repeating things that every programmer should know, putting them all together and putting them into practice does result in much cleaner code. In particular, I found breaking up large functions into many tiny functions, and breaking up large classes into many tiny classes to be incredibly useful. Now for the question. The book's examples are all in Java, while I have been working in C++ for the past several years. How would the ideas in Clean Code extend to the use of namespaces, which do not exist in Java? (Yes, I know about the Java packages, but it is not really the same.) Does it make sense to apply the idea of creating many tiny entities, each with a clearly define responsibility, to namespaces? Should a small group of related classes always be wrapped in a namespace? Is this the way to manage the complexity of having lots of tiny classes, or would the cost of managing lots of namespaces be prohibitive?

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  • Installing a Wl-138g wireless NIC on ubuntu server

    - by Narcolapser
    So I have this little server that I've been working on as a hobby. But due to changes in living arrangements I have move and it won't have access to a wired lan. So I need to install a wireless adapter i had sitting around. But most tutorials I have run across are either out dated, or about ubuntu desktop and talk about things using a GUI. So my question is firstly is there a utility for identifying and downloading drivers for new hardware. that would save my having this problem in the future. If not, how do i go about installing said wireless NIC? ~N

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  • Skype Silent Mode

    - by jack
    So Skype has a silent mode: e.g. it won't alert you in any way about incoming calls/messages. I'd like to use that mode while working to keep Skype from distracting me. I'd rather not quit the program or signoff during that time. Is there a simple way to put Skype in that mode? There's an option for it in their SDK but not in the software. There are third party apps that do it (among other things), but there doesn't seem to be a simple solution for this. Help please!

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  • Game-a-Week One

    - by Matt Christian
    Anyone who chats with me on a semi-regular basis knows I am absolutely horrible at completing something from beginnning to end.  Often times I'll begin something, lose interest at some point, and end up moving onto the next thing.  For example, I have 1/2 a full game created, 1/3 of a novel written, and half of a model set created.  Needless to say, unless I have some sort of pressure to finish something I don't stick to it. Recently however one of my online buddies challenged me to create a simple game.  The start date was last Thursday and the final game needed to be delivered by this next Sunday (giving me just over a week).  However, I am going out of town this Friday so will need to deliver it by Thursday, giving me exactly 1 week to develop a game.  Here is what the game needed to include: The player should be able to shoot Shooting things should score points Sounds very simple, but given a single week to produce all art assets plus the game isn't an easy task.  So far I've developed: An animated Main Menu that loads via script files, allows the user to start a new game or exit the game The game is 3D and the player can move around the play area with an 'over-the-shoulder' camera HUD elements are drawn to display the player's current score When the player presses Esc they are shown a pause menu where they can resume the game by pressing Esc again, or quit the game by pressing Space There are also 2 items implemented that don't work perfectly: JigLibX physics library implementation On the main menu there is an arrow symbol that rotates to always point at your mouse I've got 2 days of development left so hopefully I can get collision working, some of the art cleaned up, and some more of the camera functionality working.  Also, I'll need to take some time to package the game up which hopefully shouldn't take too long.

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  • zip being too nice (Mac OS X)

    - by stib
    I use zip to do a regular backup of a local directory onto a remote machine. They don't believe in things like rsync here, so it's the best I can do (?). Here's the script I use echo $(date)>>~/backuplog.txt; if [[ -e /Volumes/backup/ ]]; then cd /Volumes/Non-RAID_Storage/; for file in projects/*; do nice -n 10 zip -vru9 /Volumes/backup/nonRaidStorage.backup.zip "$file" 2>&1 | grep -v "zip info: local extra (21 bytes)">>~/backuplog.txt; done; else echo "backup volume not mounted">>~/backuplog.txt; fi This all works fine, except that zip never uses much CPU, so it seems to be taking longer than it should. It never seems to get above 5%. I tried making it nice -20 but that didn't make any difference. Is it just the network or disc speeds bottlenecking the process or am I doing something wrong?

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  • An Oracle Event for Your Facility & Equipment Maintenance Staff

    - by Mark Rosenberg
    The 7th Annual Oracle Maintenance Summit will occur February 4 – 6, 2013 at the Hyatt Regency San Francisco. This year, the Maintenance Summit will be one of the major pillars of a larger Oracle Value Chain Summit. What makes this event different from the other events hosted by Oracle and the PeopleSoft Community’s various user groups is that it is specifically meant to provide a venue for the facility and equipment maintenance community to talk about all things related to maintenance.  Maintenance Planners, Maintenance Schedulers, Vice Presidents and Directors of Physical Plant, Operations Managers, Craft Supervisors, IT management, and IT analysts typically attend this event and find it to be a very valuable experience. The Maintenance pillar will provide the same atmosphere and opportunity to hear from PeopleSoft Maintenance Management customers, Oracle Product Strategy, and partners, as in past years.  For more information, you can access the registration website for the Value Chain Summit. For existing PeopleSoft Maintenance Management customers…if you are interested in participating in the PeopleSoft Maintenance Management Focus Group in which Oracle discusses product roadmap topics with the community of customers who have licensed the PeopleSoft Maintenance Management application, please contact [email protected], [email protected], or [email protected]. The Focus Group will meet on February 7th, and attendance is by invitation only.We look forward to seeing you in San Francisco! P.S.  The Early Bird registration fee is $195. Register before December 31 to take advantage of this introductory low price, as the registration fee will go up to $295 after that date.

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  • How not to suffer from ideologists when you're a pragmatic person?

    - by Lukas Eder
    My story: I'm a pragmatic person. Sometimes, the most simple solution to a problem to get the job done is the one that fits best for me, if its not an utter blasphemy and reproach to any design principles. Check out my answer to this question on stackoverflow. Simple. Works. Was accepted. Could be improved. Is clearly not perfect. And along comes this guy. He downvotes me, comments on the question how his answer is better, more accurate etc and calls me "plain wrong". Reminds me of this comic strip. :-) While on stackoverflow I can laugh at these things because those people are far away, in the real world I'm suffering from ideologies every now and then. Heck, I'm not creating a miracle piece of software, I need to keep that huge legacy thing running, and it's an adventure to me every day. I don't have the time or passion to beautify my code (or other people's code) to that extent. My question(s): How do you deal with ideologies / ideologists, when you're a pragmatic person? How do you deal with pragmatism / pragmatists, when you're an ideologic person? I'm interested in both point of views. Tell me your experience. But please, be fair, somewhat objective, and understand that you may NOT be entirely correct and your opinion is NOT the only true one... :-)

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  • Why are we as an industry not more technically critical of our peers? [closed]

    - by Jarrod Roberson
    For example: I still see people in 2011 writing blog posts and tutorials that promote setting the Java CLASSPATH at the OS environment level. I see people writing C and C++ tutorials dated 2009 and newer and the first lines of code are void main(). These are examples, I am not looking for specific answers to the above questions, but to why the culture of accepting sub-par knowledge in the industry is so rampant. I see people posting these same type of empirically wrong suggestions as answers on www.stackoverflow.com and they get lots of up votes and practically no down votes! The ones that get lots of down votes are usually from answering a question that wasn't asked because of lack of reading for comprehension skills, and not incorrect answers per se. Is our industry that ignorant as a whole, I can understand the internet in general being lazy, apathetic and un-informed but our industry should be more on top of things like this and way more critical of people that are promoting bad habits and out-dated techniques and information. If we are really an engineering discipline, why aren't people held to a higher standard as they are in other engineering disciplines? I want to know why people accept bad advice, poor practices as the norm and are not more critical of their peers in the software industry.?

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  • Making WIF local STS to work with your ASP.NET application

    - by DigiMortal
    Making Windows Identity Foundation (WIF) STS test application work with your solution is not as straightforward process as you can read from books and articles. There are some tricks and some configuration modifications you must do to get things work. Fortunately these steps are simple one. 1. Move your application to IIS or IIS Express If your application uses development web server that ships with Visual Studio then make your application use IIS or IIS Express. You get simple support for IIS Express to Visual Studio 2010 after installing Visual Studio 2010 SP1. You can read more from my blog posting Visual Studio 2010 SP1 Beta supports IIS Express. NB! You don’t have to move your dummy STS project to IIS. 2. Change request validation mode to ASP.NET 2.0 As a next thing you will get the following error when coming back from dummy STS service: HttpRequestValidationException (0x80004005): A potentially dangerous Request.Form value was detected from the client. Open web.config of your application and add the following line before </system.web>: <httpRuntime requestValidationMode="2.0" /> Now you are done with configuring web application to work with STS.

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  • HTTP 400 error for all websites

    - by Jason Sherman
    A couple of days ago, I started getting HTTP 400 responses from all websites. Nothing will go across port 80. However, everything works if I connect to VPN. The weird thing is, without VPN, other things still work; such as IM and anything else that doesn’t use port 80. Pinging also works. I haven’t noticed this behavior on any other computer on my network. The kicker is, if I log on as a local admin, everything works fine!!! I haven’t installed anything in the last couple weeks and I don’t remember changing any configuration. I ran Forefront and HouseCall and neither found any problems.

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  • What's the best structure for a repository?

    - by jpmelos
    I've looked into many open source software repositories, and I've found some common elements and somethings people do in different fashion from one another. For example, every repository has a README file, a INSTALL file, a COPYING file and stuff like that. Other things differ: Some projects, like git, have their source code in the root level, while others have the source code in a src/ folder and others, like the Linux kernel, have the source code spread in different folders in root level, that divide code by areas; Some have their tests in a t/ folder, while others in a tests/ folder, or named otherwise; Some have files about submitting patches and who the maintainers are, and those might be inside some Documentation/ or in the root level. Are there recommendations? A best practice? For example: personally, I don't like the code in the root level, git-fashion. It looks messy and confuses one trying to start as a contributor (especially because they have some code inside folders, and scripts in the root level as well, it's really messy). If I were to start a project of my own and wanted to start right from the start, are there recommendations? Best practices? How can I make a clean and clear structure? Thank you!

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  • Upgrade from Linux Mint 12 to Kubuntu 12.04?

    - by MountainX
    Is there an "easy" way to "upgrade" my existing Linux Mint 12 install to Kubuntu 12.04 beta 2? I know I could reinstall. Usually I would do a clean install to avoid unexpected issues. But in this case, I don't have time to reconfigure everything from my printers to my installed software, so I am looking for the quick/easy way, but I also want to avoid big risks of an upgrade gone wrong. I'm hoping to just change some repos and run a few commands from the terminal. I don't mind editing a few config files as long as I can find good HOWTOs. But I don't want to be the pioneer (arrows in back). I'm hoping someone has done this before and has a set of steps. For context, I recently installed KDE 4.8 SC onto Kubuntu 11.10 using PPAs. This was on another computer. That wasn't a problem. But I decided to do a fresh install of Kubuntu 12.04 later. I like it well enough that I want to change my other computer from Linux Mint 12 to Kubuntu. (I'm going all-in with KDE. It's now my desktop of choice.) This Linux Mint upgrade will be a move from Gnome and MGSE to KDE, so that will probably complicate things at bit compared to something like upgrading Kubuntu 11.10 to KDE 4.8. References: http://www.psychocats.net/ubuntu/kde Is it safe to install Kubuntu-desktop in 11.10?

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  • Monitoring over Time with Nagios: How?

    - by David
    Nagios in its standard usage monitors with point-in-time checks: either something is - or is not - true. Other tools like SGI's PCP, HP's MeasureWare, and SEC provide monitoring over time - monitoring things like average disk access time over the last five minutes, or other similar items. Is there anything like this for Nagios? I'm already running NDOUtils, which seems like a natural source for such data. I'd like to have something that would monitor and fire off alarms based on a time-based check using historical data. Is there anything like this for Nagios?

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  • Suggested Resources Visual Studio Plug-In

    Todays post is a quick plug for a new tool developed by my friend Olaf Conijn, who (amongst other things) has been a developer on several versions of Enterprise Library. His new tool is called Suggested Resources for .NET Developers, and the current 0.8 release works with both Visual Studio 2008 and Visual Studio 2010. So what does it do? Well heres what Olaf has to say: This Visual Studio Integration Package is a proof of concept in: Aggregation of online content within the Visual Studio IDE. Analysis of development activities within the Visual Studio IDE. This combination of features allows Suggested Resources for .NET developers to pro-actively suggest online content that applies on the task being performed by a developer... A bit like having a programming pair that searches for online resources while you focus on getting the job done. For more info, screenshots and downloads, head to the Codeplex project site or the Visual Studio Gallery page.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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  • How can I downgrade a system that accidentally had backports installed?

    - by Glyph
    I installed a fresh Ubuntu system. Somehow - possibly through my own error - the backports repository got enabled. Then I did several upgrades. I noticed that this happened when networking suddenly stopped working, "Network Settings" now has an "(alpha)" in the title bar, "System Settings" ? "Network" now displays an error dialog saying "The system network services are not compatible with this version". Now, I've disabled the backports repository, and I'd like to restore my system to its previously-functional state. My question is twofold: How do I determine which packages were installed from backports? Can I automatically re-install all those packages (and purge their configuration) to get back to a sensible state? If the answer to 2 is "no" I can probably manually purge some things and reinstall, but it would be nice to have it handled automatically. Update: It wasn't an update that broke the network; it was apt-get install indicator-network, which installed something called "connman" and removed network-manager and network-manager-gnome. Nevertheless I am leaving the question up, since I am still interested in how I can purge packages from a particular source after accidentally adding that source, and how I can determine which packages were installed from where.

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  • How do I draw a single Triangle with XNA and fill it with a Texture?

    - by Deukalion
    I'm trying to wrap my head around: http://msdn.microsoft.com/en-us/library/bb196409.aspx I'm trying to create a method in XNA that renders a single Triangle, then later make a method that takes a list of Triangles and renders them also. But it isn't working. I'm not understanding what all the things does and there's not enough information. My methods: // Triangle is a struct with A, B, C (didn't include) A, B, C = Vector3 public static void Render(GraphicsDevice device, List<Triangle> triangles, Texture2D texture) { foreach (Triangle triangle in triangles) { Render(device, triangle, texture); } } public static void Render(GraphicsDevice device, Triangle triangle, Texture2D texture) { BasicEffect _effect = new BasicEffect(device); _effect.Texture = texture; _effect.VertexColorEnabled = true; VertexPositionColor[] _vertices = new VertexPositionColor[3]; _vertices[0].Position = triangle.A; _vertices[1].Position = triangle.B; _vertices[2].Position = triangle.B; foreach (var pass in _effect.CurrentTechnique.Passes) { pass.Apply(); device.DrawUserIndexedPrimitives<VertexPositionColor> ( PrimitiveType.TriangleList, _vertices, 0, _vertices.Length, new int[] { 0, 1, 2 }, // example has something similiar, no idea what this is 0, 3 // 3 = gives me an error, 1 = works but no results ); } }

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  • How can player actions be "judged morally" in a measurable way?

    - by Sebastien Diot
    While measuring the player "skills" and "effort" is usually easy, adding some "less objective" statistics can give the player supplementary goals, especially in a MUD/RPG context. What I mean is that apart from counting how many orcs were killed, and gems collected, it would be interesting to have something along the line of the traditional Good/Evil, Lawful/Chaotic ranking of paper-based RPG, to add "dimension" to the game. But computers cannot differentiate good/evil effectively (nor can humans in many cases), and if you have a set of "laws" which are precise enough that you can tell exactly when the player breaks them, then it generally makes more sense to actually prevent them from doing that action in the first place. One example could be the creation/destruction axis (if players are at all allowed to create/build things), possibly in the form of the general effect of the player actions on "ecology". So what else is there left that can be effectively measured and would provide a sense of "moral" for the player? The more axis I have to measure, the more goals the player can have, and therefore the longer the game can last. This also gives the players more ways of "differentiating" themselves among hordes of other players of the same "class" and similar "kit".

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  • One Does Like To Code: DevoxxUK

    - by Tori Wieldt
    What's happening at Devoxx UK? I'll be talking to Rock Star speakers, Community leaders, authors, JSR leads and more.  This video is a short introduction.   Check out these great sessions: Thursday, June 12Perchance to Stream with Java 8by Paul Sandoz13:40 - 14:30 | Room 1 Making the Internet-of-Things a Reality with Embedded Javaby Simon Ritter11:50 - 12:40 | Room 4 Java SE 8 Lambdas and Streams Labby Simon Ritter17:00 - 20:00 | Room Mezzanine Safety Not Guaranteed: Sun. Misc. Unsafe and the Quest for Safe Alternativesby Paul Sandoz18:45 - 19:45 | Room 3 Join the Java EvolutionHeather VanCuraPatrick Curran19:45 – 20:45 | Room 2  Glassfish is Here to StayDavid DelabasseeAntonio Goncalves19:45 – 20:45 | Room Expo Here is the full line-up of sessions. Devoxx UK includes a Hackergarten, where can devs work an Open Source project of their choice. The Adopt OpenJDK and Adopt a JSR Program folks will be there to help attendees contribute back to Java SE and Java EE itself!   Saturday includes a special Devoxx4Kids event in conjunction with the London Java Community. It's design to teach 10-16 year-olds simple programming concepts, robotics, electronics, and games making. Workshops include LEGO Mindstorms (robotic engineering), Greenfoot (programming), Arduino (electronics), Scratch (games making), Minecraft Modding (game hacking) and NAO (robotic programming). Small fee, you must register. If you can't attend Devoxx UK in person, stay tuned to the YouTube/Java channel. I'll be doing plenty of interviews so you can join the fun from around the world. 

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