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• MySQL server stopped working after upgrade

  - by umpirsky

  I upgraded to 12.04 and my MySQL server just stopped working. It throws: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) I tried to reinstall it from software center, but it fails with: Package operation failed The installation or removal of a software package failed. installArchives() failed: Selecting previously unselected package mysql-server. (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 243412 files and directories currently installed.) Unpacking mysql-server (from .../mysql-server_5.5.22-0ubuntu1_all.deb) ... Setting up mysql-server-5.5 (5.5.22-0ubuntu1) ... start: Job failed to start invoke-rc.d: initscript mysql, action "start" failed. dpkg: error processing mysql-server-5.5 (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.5; however: Package mysql-server-5.5 is not configured yet. dpkg: error processing mysql-server (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already Errors were encountered while processing: mysql-server-5.5 mysql-server Error in function: Setting up mysql-server-5.5 (5.5.22-0ubuntu1) ... start: Job failed to start invoke-rc.d: initscript mysql, action "start" failed. dpkg: error processing mysql-server-5.5 (--configure): subprocess installed post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.5; however: Package mysql-server-5.5 is not configured yet. dpkg: error processing mysql-server (--configure): dependency problems - leaving unconfigured I also tried: $ sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: mysql-server-5.5 mysql-server-core-5.5 Use 'apt-get autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Setting up mysql-server-5.5 (5.5.22-0ubuntu1) ... start: Job failed to start invoke-rc.d: initscript mysql, action "start" failed. dpkg: error processing mysql-server-5.5 (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: mysql-server-5.5 E: Sub-process /usr/bin/dpkg returned an error code (1) Any idea? EDIT: Crash report is being auto generated. EDIT: After trying and trying I got suggestion to do: #apt-get --purge remove mysql-server-5.1 mysql-server-5.5 Reading package lists... Done Building dependency tree Reading state information... Done Virtual packages like 'mysql-server-5.1' can't be removed The following packages will be REMOVED: mysql-server-5.5* 0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded. 1 not fully installed or removed. After this operation, 31.3 MB disk space will be freed. Do you want to continue [Y/n]? Y (Reading database ... 243407 files and directories currently installed.) Removing mysql-server-5.5 ... Purging configuration files for mysql-server-5.5 ... Processing triggers for ureadahead ... Processing triggers for man-db ... The most important part is: Virtual packages like 'mysql-server-5.1' can't be removed Any idea?

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• Google I/O 2012 - Powering Your Application's Data using Google Cloud Storage

  Google I/O 2012 - Powering Your Application's Data using Google Cloud Storage Navneet Joneja, Nathan Herring Since opening its doors to all developers at Google I/O last year, the Google Cloud Storage team has shipped several features that let you use Google Cloud Storage for a variety of advanced use cases. This session will open with a quick introduction to the product, and quickly shift focus to implementing a variety of advanced applications using new features in Google Cloud Storage. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 48 1 ratings Time: 58:32 More in Science & Technology

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• Microsoft Generation 4 Datacenter using ITPACs

  - by Eric Nelson

  Microsoft is continuing to make significant investments in Datacenter technology and is focused on solving issues such as long lead times, significant up-front costs and over capacity. Enter the world of modular Datacenters and ITPACs – IT Pre-Assembled Components. In simple terms – air handling and IT units which are pre-assembled (looking somewhat like a container) and then installed on concrete bases. Each unit can hold  between 400 and 2500 servers (which means many more virtual machines depending on your density) Kevin Timmons’, manager of the datacenter operations team, just posted a great post digging into the detail One Small Step for Microsoft’s Cloud, Another Big Step for Sustainability which includes a short video on how we build one of these ITPACs. You might also want to check out this video from the PDC:

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• Sources (other than tutorials) on Game Mechanics

  - by Holland

  But, I'm not quite sure where I should start from here. I know I have to go and grab an engine to use with some prebuilt libraries, and then from there learn how to actually code a game, etc. All I have right now is some "program Tetris" tutorial for C++ open right now, but I'm not even sure if that will really help me with what I want to accomplish. I'm curious if there are is any good C++ documentation related to game development which provides information on building a game in more of a component model (by this I'm referring to the documentation, not the actual object-oriented design of the game itself), rather than an entire tutorial designed to do something specific. This could include information based on various design methodologies, or how to link hardware with OpenGL interfaces, or just simply even learning how to render 2D images on a canvas. I suppose this place is definitely a good source :P, but what I'm looking for is quite a bit of information - and I think posting a new question every ten minutes would just flood the site...

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• UNHCR and Stanyslas Matayo Receive Duke's Choice Award 2012

  - by Geertjan

  This year, NetBeans Platform applications winning Duke's Choice Awards were not only AgroSense, by Ordina in the Netherlands, and the air command and control system by NATO... but also Level One, the UNHCR registration and emergency management system. Unfortunately, Stanyslas Matayo, the architect and lead engineer of Level One, was unable to be at JavaOne to receive his award. It would have been really cool to meet him in person, of course, and he would have joined the NetBeans Party and NetBeans Day, as well as the NetBeans Platform panel discussions that happened at various stages throughout JavaOne. Instead, he received his award at Oracle Day 2012 Nairobi, some days ago, where he presented Level One and received the Duke's Choice Award: Level One is the UNHCR (UN refugee agency) application for capturing information on the first level details of refugees in an emergency context. In its recently released initial version, the application was used in Niger to register information about families in emergency contexts. Read more about it here and see the screenshot below. Congratulations, Stanyslas, and the rest of the development team working on this interesting and important project!

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• Oracle... and InfiniBand.

  - by jenny.gelhausen

  Beginning Sunday, 14th March 2010 the OpenFabrics Alliance has been hosting its annual conference in Sonoma, California. On Monday morning, Tim Shetler - VP of Product Management at Oracle - addressed a conference room full to the brim with the industry's InfiniBand luminaries. That same afternoon, Sumanta Chatterjee, Senior Director of Development at Oracle, was publicly lauded by moderator Bill Boas for being a long-standing, pivotal driver and crucial member of the community. A testament to InfiniBand's building momentum, it is no surprise to find it at the core of Oracle's flagship product, the Sun Oracle Database Machine. var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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• Google I/O 2012 - Turning the Web Up to 11

  Google I/O 2012 - Turning the Web Up to 11 Chris Wilson This session will cover the web audio capabilities for games and music. We'll walk through the audio element and the Web Audio API, and dive deep into using the Web Audio API for game audio and building music applications. We'll also cover how to use the Node graph structure to build audio processing chains, and how to use analysis to do interesting tricks. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 626 13 ratings Time: 01:00:36 More in Science & Technology

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• March 24 VTSQL Meeting: BI with SQL Server guru Rushabh Mehta

  When: March 24th, 6PM Where: Competitive Computing, Colchester Vermont (www.competitive.com) From Zero to BI in 10 Minutes or less By Rushabh Mehta Finally a technology that the Information Worker can use to take raw data and turn it into valuable information in a matter of minutes from the comfort of their own desktop! In this very exciting and interactive session full of exciting demos, we will walk you through taking raw information from a variety of sources and building a powerful analytical...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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• Spam prevention through IP tracking

  - by whamsicore

  I am building a website with user generated comments. In order to implement user moderation/spam-protection, users have the ability to mark comments as spam. When one comment is marked as spam, I want all comments from the same IP address to be deleted. I am not familiar with spam prevention in general, other than Captcha. Question: is this a feasible/good system for spam prevention? are there better ways, or improvements I can make? Thanks.

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• Microsoft Codename Houston

  - by kaleidoscope

  On one of the final talks about SQL Azure in Day 3 of PDC09, David Robinson, Senior PM on the Azure team, announced a project codenamed ‘Houston’ which is basically a Silverlight equivalent of SQL Server Management Studio. The concept comes from the SQL Azure being within the cloud, and if the only way to interact with it is by installing SSMS locally then it does not feel like a consistent story. From the limited preview, it only contains the basics but it clearly lets you create tables, stored procedures and views, edit them, even add data to tables in a grid view reminiscent of Microsoft Access. The UI was based around the standard ribbon bar, object window on the left and working pane on the right. As of now this tool is still pre-alpha and it seems like a basic tool that will facilitate rapid database development on cloud. When asked about general availability, no dates were given but calendar 2010 was indicated as the target. More information can be found at:      http://sqlfascination.com/2009/11/20/pdc-09-day-3-sql-azure-and-codename-houston-announcement/   Tinu, O

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• Why lock-free data structures just aren't lock-free enough

  - by Alex.Davies

  Today's post will explore why the current ways to communicate between threads don't scale, and show you a possible way to build scalable parallel programming on top of shared memory. The problem with shared memory Soon, we will have dozens, hundreds and then millions of cores in our computers. It's inevitable, because individual cores just can't get much faster. At some point, that's going to mean that we have to rethink our architecture entirely, as millions of cores can't all access a shared memory space efficiently. But millions of cores are still a long way off, and in the meantime we'll see machines with dozens of cores, struggling with shared memory. Alex's tip: The best way for an application to make use of that increasing parallel power is to use a concurrency model like actors, that deals with synchronisation issues for you. Then, the maintainer of the actors framework can find the most efficient way to coordinate access to shared memory to allow your actors to pass messages to each other efficiently. At the moment, NAct uses the .NET thread pool and a few locks to marshal messages. It works well on dual and quad core machines, but it won't scale to more cores. Every time we use a lock, our core performs an atomic memory operation (eg. CAS) on a cell of memory representing the lock, so it's sure that no other core can possibly have that lock. This is very fast when the lock isn't contended, but we need to notify all the other cores, in case they held the cell of memory in a cache. As the number of cores increases, the total cost of a lock increases linearly. A lot of work has been done on "lock-free" data structures, which avoid locks by using atomic memory operations directly. These give fairly dramatic performance improvements, particularly on systems with a few (2 to 4) cores. The .NET 4 concurrent collections in System.Collections.Concurrent are mostly lock-free. However, lock-free data structures still don't scale indefinitely, because any use of an atomic memory operation still involves every core in the system. A sync-free data structure Some concurrent data structures are possible to write in a completely synchronization-free way, without using any atomic memory operations. One useful example is a single producer, single consumer (SPSC) queue. It's easy to write a sync-free fixed size SPSC queue using a circular buffer*. Slightly trickier is a queue that grows as needed. You can use a linked list to represent the queue, but if you leave the nodes to be garbage collected once you're done with them, the GC will need to involve all the cores in collecting the finished nodes. Instead, I've implemented a proof of concept inspired by this intel article which reuses the nodes by putting them in a second queue to send back to the producer. * In all these cases, you need to use memory barriers correctly, but these are local to a core, so don't have the same scalability problems as atomic memory operations. Performance tests I tried benchmarking my SPSC queue against the .NET ConcurrentQueue, and against a standard Queue protected by locks. In some ways, this isn't a fair comparison, because both of these support multiple producers and multiple consumers, but I'll come to that later. I started on my dual-core laptop, running a simple test that had one thread producing 64 bit integers, and another consuming them, to measure the pure overhead of the queue. So, nothing very interesting here. Both concurrent collections perform better than the lock-based one as expected, but there's not a lot to choose between the ConcurrentQueue and my SPSC queue. I was a little disappointed, but then, the .NET Framework team spent a lot longer optimising it than I did. So I dug out a more powerful machine that Red Gate's DBA tools team had been using for testing. It is a 6 core Intel i7 machine with hyperthreading, adding up to 12 logical cores. Now the results get more interesting. As I increased the number of producer-consumer pairs to 6 (to saturate all 12 logical cores), the locking approach was slow, and got even slower, as you'd expect. What I didn't expect to be so clear was the drop-off in performance of the lock-free ConcurrentQueue. I could see the machine only using about 20% of available CPU cycles when it should have been saturated. My interpretation is that as all the cores used atomic memory operations to safely access the queue, they ended up spending most of the time notifying each other about cache lines that need invalidating. The sync-free approach scaled perfectly, despite still working via shared memory, which after all, should still be a bottleneck. I can't quite believe that the results are so clear, so if you can think of any other effects that might cause them, please comment! Obviously, this benchmark isn't realistic because we're only measuring the overhead of the queue. Any real workload, even on a machine with 12 cores, would dwarf the overhead, and there'd be no point worrying about this effect. But would that be true on a machine with 100 cores? Still to be solved. The trouble is, you can't build many concurrent algorithms using only an SPSC queue to communicate. In particular, I can't see a way to build something as general purpose as actors on top of just SPSC queues. Fundamentally, an actor needs to be able to receive messages from multiple other actors, which seems to need an MPSC queue. I've been thinking about ways to build a sync-free MPSC queue out of multiple SPSC queues and some kind of sign-up mechanism. Hopefully I'll have something to tell you about soon, but leave a comment if you have any ideas.

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• Blicken Sie über den Tellerrand hinaus. Da sind neue Märkte.

  - by A&C Redaktion

  Über 60 Spezialisierungen wird es bis Ende des Jahres bei Oracle geben. Thomas Gartner, Senior Vertriebsleiter Business Partner, macht angesichts dieser Zahl eine einfache Rechnung auf. In den angestammten Märkten tummeln sich zahlreiche Partner, die miteinander im Wettbewerb stehen. Wer jetzt, so Gartner, über den Tellerrand hinaus schaue, neue Möglichkeiten für sein Unternehmen recherchiert, der gewinnt in mehrfacher Hinsicht: Erstens gibt es zahlreiche Märkte, die noch erhebliches Wachstumspotenzial bieten. Zweitens entstehen neue Nischen, die sich über gezielte Differenzierung und Spezialisierung lukrativ erschließen lassen. Drittens unterstützt das Team von Thomas Gartner engagierte Business Partner gerne mit einem individuellen Vertriebscoaching, damit es noch schneller geht, mit dem gewünschten Wachstum. Hier geht es zum Blick über den Tellerrand hinaus.

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• ArchBeat Link-o-Rama for 2012-03-28

  - by Bob Rhubart

  Beware the 'Facebook Effect' when service-orienting information technology | Joe McKenrick www.zdnet.com Experiences seen with Facebook provide a fair warning to shared-service providers in enterprises. Cookbook: SES and UCM setup | George Maggessy blogs.oracle.com WebCenter A-Team member George Maggessy guides you through setting up the integration between UCM and SES. Using Oracle VM with Amazon EC2 | Marc Fielding www.pythian.com "If you’re planning on running Oracle VM with Amazon EC2, there are some important limitations you should know about," says Pythian's Marc Fielding. Oracle Enterprise Pack for Eclipse 12.1.1 update on OTN blogs.oracle.com Oracle Enterprise Pack for Eclipse (OEPE) 12.1.1.0.1 was released to OTN last week with support for new standards and several new features. Thought for the Day "If the mind really is the finest computer, then there are a lot of people out there who need to be rebooted." — Tim Bryce

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• Why is String Templating Better Than String Concatenation from an Engineering Perspective?

  - by stephen

  I once read (I think it was in "Programming Pearls") that one should use templates instead of building the string through the use of concatenation. For example, consider the template below (using C# razor library) <in a properties file> Browser Capabilities Type = @Model.Type Name = @Model.Browser Version = @Model.Version Supports Frames = @Model.Frames Supports Tables = @Model.Tables Supports Cookies = @Model.Cookies Supports VBScript = @Model.VBScript Supports Java Applets = @Model.JavaApplets Supports ActiveX Controls = @Model.ActiveXControls and later, in a separate code file private void Button1_Click(object sender, System.EventArgs e) { BrowserInfoTemplate = Properties.Resources.browserInfoTemplate; // see above string browserInfo = RazorEngine.Razor.Parse(BrowserInfoTemplate, browser); ... } From a software engineering perspective, how is this better than an equivalent string concatentation, like below: private void Button1_Click(object sender, System.EventArgs e) { System.Web.HttpBrowserCapabilities browser = Request.Browser; string s = "Browser Capabilities\n" + "Type = " + browser.Type + "\n" + "Name = " + browser.Browser + "\n" + "Version = " + browser.Version + "\n" + "Supports Frames = " + browser.Frames + "\n" + "Supports Tables = " + browser.Tables + "\n" + "Supports Cookies = " + browser.Cookies + "\n" + "Supports VBScript = " + browser.VBScript + "\n" + "Supports JavaScript = " + browser.EcmaScriptVersion.ToString() + "\n" + "Supports Java Applets = " + browser.JavaApplets + "\n" + "Supports ActiveX Controls = " + browser.ActiveXControls + "\n" ... }

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• VLC Installation Issues on 12.04

  - by Sridhar

  I am trying to install VLC on 12.04, but I'm running into these errors: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: vlc : Depends: vlc-nox (= 2.0.3-0ubuntu0.12.04.1) but it is not going to be installed Depends: libsdl-image1.2 (>= 1.2.10) but it is not installable Depends: libtar0 but it is not installable Depends: libxcb-keysyms1 (>= 0.3.8) but it is not installable Recommends: vlc-plugin-notify (= 2.0.3-0ubuntu0.12.04.1) but it is not going to be installed Recommends: vlc-plugin-pulse (= 2.0.3-0ubuntu0.12.04.1) but it is not going to be installed E: Unable to correct problems, you have held broken packages. How do I fix these errors and install VLC?

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• 301 redirect and page ranking

  - by justin

  Say I have a site 123example.com, with roughly 100 backlinks, which has increased from a google page 27 to page 12 for my keywords over the last month and continues toward the top 10... I have another domain 123.com, which has roughly 30 backlinks, that just points to the 1st domain. I would like to use 123.com as the primary domain and use a 301 redirect on 123example.com. Would I have to start my link building back over again for 123.com or will the backlinks and PR with the 301 redirect of 123example.com transfer over to the new domain?

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• Is Oracle Solaris 11 Really Better Than Oracle Solaris 10?

  - by rickramsey

  If you want to be well armed for that debate, study this comparison of the commands and capabilities of each OS before the spittle starts flying: How Solaris 11 Compares to Solaris 10 For instance, did you know that the command to configure your wireless network in Solaris 11 is not wificonfig, but dladm and ipadm for manual configuration, and netcfg for automatic configuration? Personally, I think the change was made to correct the grievous offense of spelling out "config" in the wificonfig command, instead of sticking to the widely accepted "cfg" convention, but loathe as I am to admit it, there may have been additional reasons for the change. This doc was written by the Solaris Documentation Team, and it not only compares the major features and command sequences in Solaris 11 to those in Solaris 10, but it links you to the sections of the documentation that explain them in detail. - Rick Website Newsletter Facebook Twitter

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• Adam Bien Testimonial at GlassFish Community Event, JavaOne 2012

  - by arungupta

  Adam Bien, a self-employed enterprise Java consultant, an author of five star-rated books, a presenter, a Java Champion, a NetBeans Dream Team member, a JCP member, a JCP Expert Group Member of several Java EE groups, and with several other titles is one of the most vocal advocate of the Java EE platform. His code-driven workshops using Java EE 6, NetBeans, and GlassFish have won accolades at several developers' conferences all around the world. Adam has been using GlassFish for all his projects for many years. One of the reasons he uses GlassFish is because of high confidence that the Java EE compliance bug will be fixed faster. He find GlassFish very capable application server for faster development and continuous deployment. His own media properties are running on GlassFish with an Apache front-end. Good documentation, accessible source code, REST/Web/CLI administration and monitoring facilities are some other reasons to pick GlassFish. He presented at the recently concluded GlassFish community event at JavaOne 2012. You can watch the video (with transcript) below showing him in full action:

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• Java performance of StringBuilder append chains

  - by ultimate_guy

  In Java, if I am building a significant number of strings, is there any difference in performance in the following two examples? StringBuilder sb = new StringBuilder(); for (int i = 0; i < largeNumber; i++) { sb.append(var[i]); sb.append('='); sb.append(value[i]); sb.append(','); } or StringBuilder sb = new StringBuilder(); for (int i = 0; i < largeNumber; i++) { sb.append(var[i]).append('=').append(value[i]).append(','); } Thanks!

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• Persisting settings without using Options dialog in Visual Studio

  - by Utkarsh Shigihalli

  Originally posted on: http://geekswithblogs.net/onlyutkarsh/archive/2013/11/02/persisting-settings-without-using-options-dialog-in-visual-studio.aspxIn one of my previous blog post we have seen persisting settings using Visual Studio's options dialog. Visual Studio options has many advantages in automatically persisting user options for you. However, during our latest Team Rooms extension development, we decided to provide our users; ability to use our preferences directly from Team Explorer. The main reason was that we had only one simple option for user and we thought it is cumbersome for user to go to Tools –> Options dialog to change this. Another reason was, we wanted to highlight this setting to user as soon as he is using our extension.   So if you are in such a scenario where you do not want to use VS options window, but still would like to persist the settings, this post will guide you through. Visual Studio SDK provides two ways to persist settings in your extensions. One is using DialogPage as shown in my previous post. Another way is to use by implementing IProfileManager interface which I will explain in this post. Please note that the class implementing IProfileManager should be independent class. This is because, VS instantiates this class during Tools –> Import and Export Settings. IProfileManager provides 2 different sets of methods (total 4 methods) to persist the settings. They are LoadSettingsFromXml and SaveSettingsToXml – Implement these methods to persist settings to disk from VS settings storage. The VS will persist your settings along with other options to disk. LoadSettingsFromStorage and SaveSettingsToStorage – Implement these methods to persist settings to local storage, usually it be registry. VS calls LoadSettingsFromStorage method when it is initializing the package too. We are going to use the 2nd set of methods for this example. First, we are creating a separate class file called UserOptions.cs. Please note that, we also need to implement IComponent, which can be done by inheriting Component along with IProfileManager. [ComVisible(true)] [Guid("XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX")] public class UserOptions : Component, IProfileManager { private const string SUBKEY_NAME = "TForVS2013"; private const string TRAY_NOTIFICATIONS_STRING = "TrayNotifications"; ... } Define the property so that it can be used to set and get from other classes. public bool TrayNotifications { get; set; } Implement the members of IProfileManager. public void LoadSettingsFromStorage() { RegistryKey reg = null; try { using (reg = Package.UserRegistryRoot.OpenSubKey(SUBKEY_NAME)) { if (reg != null) { // Key already exists, so just update this setting. TrayNotifications = Convert.ToBoolean(reg.GetValue(TRAY_NOTIFICATIONS_STRING, true)); } } } catch (TeamRoomException exception) { TrayNotifications = true; ExceptionReporting.Report(exception); } finally { if (reg != null) { reg.Close(); } } } public void LoadSettingsFromXml(IVsSettingsReader reader) { reader.ReadSettingBoolean(TRAY_NOTIFICATIONS_STRING, out _isTrayNotificationsEnabled); TrayNotifications = (_isTrayNotificationsEnabled == 1); } public void ResetSettings() { } public void SaveSettingsToStorage() { RegistryKey reg = null; try { using (reg = Package.UserRegistryRoot.OpenSubKey(SUBKEY_NAME, true)) { if (reg != null) { // Key already exists, so just update this setting. reg.SetValue(TRAY_NOTIFICATIONS_STRING, TrayNotifications); } else { reg = Package.UserRegistryRoot.CreateSubKey(SUBKEY_NAME); reg.SetValue(TRAY_NOTIFICATIONS_STRING, TrayNotifications); } } } catch (TeamRoomException exception) { ExceptionReporting.Report(exception); } finally { if (reg != null) { reg.Close(); } } } public void SaveSettingsToXml(IVsSettingsWriter writer) { writer.WriteSettingBoolean(TRAY_NOTIFICATIONS_STRING, TrayNotifications ? 1 : 0); } Let me elaborate on the method implementation. The Package class provides UserRegistryRoot (which is HKCU\Microsoft\VisualStudio\12.0 for VS2013) property which can be used to create and read the registry keys. So basically, in the methods above, I am checking if the registry key exists already and if not, I simply create it. Also, in case there is an exception I return the default values. If the key already exists, I update the value. Also, note that you need to make sure that you close the key while exiting from the method. Very simple right? Accessing and settings is simple too. We just need to use the exposed property. UserOptions.TrayNotifications = true; UserOptions.SaveSettingsToStorage(); Reading settings is as simple as reading a property. UserOptions.LoadSettingsFromStorage(); var trayNotifications = UserOptions.TrayNotifications; Lastly, the most important step. We need to tell Visual Studio shell that our package exposes options using the UserOptions class. For this we need to decorate our package class with ProvideProfile attribute as below. [ProvideProfile(typeof(UserOptions), "TForVS2013", "TeamRooms", 110, 110, false, DescriptionResourceID = 401)] public sealed class TeamRooms : Microsoft.VisualStudio.Shell.Package { ... } That's it. If everything is alright, once you run the package you will also see your options appearing in "Import Export settings" window, which allows you to export your options.

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• Oracle at TDWI World Conference in Boston, MA

  - by Mandy Ho

  Join Oracle, September 16-21 in Boston, MA at the TDWI World Conference Series. The TDWI is the premier provider of in-depth, high quality education and research in the Business Intelligence and Data Warehousing industry. This conference series focus on Agile BI. Learn how BI/DW teams are building on the four pillars of agile development- analytics, organizations, environments and architectures- to make their business more nimble, intelligent and ultimately, more profitable.  Oracle will be hosting  a workshop, Wednesday, Sept 19, 2012 - "Data Discovery: Beyond Dashboards and Scorecards" from 7:00pm to 9:00pm, in Back Bay-B.  For more information, visit the TDWI website: http://events.tdwi.org/events/boston-world-conference-2012/home.aspx

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• Understanding each other in web development

  - by Pete Hotchkin

  During my career I have been lucky enough to work in several different roles within web development with many extremely talented people, from incredible designers who were passionate about the placement of every pixel right through to server administrators and DBAs who were always measuring the improvements they were making to their queries in the smallest possible unit. The problem I always faced was that more often than not I was stuck in the middle trying to mediate between these different functions and enable each side to understand the other’s point of view. The main areas of contention that there have always been between these functional groups in my experience have been at 2 key points: during the build phase and then when there is a problem post-build. During both of these times it is often easier for someone to pass the buck onto someone else than spend the time to understand the other person’s perspective. Below is a quick look at two upcoming tools that will not only speed up the build phase for each function, but  also help when it comes to the issues faced once a site has been pushed live. In my experience a web project goes through several phases of development. The first of these is design, generally handled as Photoshop files which are then passed onto a front-end developer. This is the first point at which heated discussions can arise. One problem I’ve seen several times is that the designer doesn’t fully understand the platform constraints that need to be considered, and as a result has designed something that does not translate very well or is simply not possible. Working at Red Gate, I am lucky enough to be able to meet some amazing people and this happened just the other day when I was introduced to Neil Kinnish and Pete Nelson, the creators of what I believe could be a great asset in this designer-developer relationship, Mixture. Mixture allows the front end developer to quickly prototype a web page with built-in frameworks such as bootstrap. It’s not an IDE however, it just sits there in the background and monitors the project files in the background so every time you save a file from your favorite IDE, it will compile things like LESS, compact your JavaScript and the automatically refresh your test browser so you can see the changes instantly. I think one of the best parts of this however is a single button that pushes the changed files up to the web so the designer can instantly see how far the developer has got and the problem that he is facing at that time without the need to spend time setting up a remote server. I can see this being a real asset to remote teams where there needs to be a compromise between the designer and the front-end developer, or just to allow the designer to see how the build is progressing and suggest small alterations. Once the design has been built into the front end the designer’s job is generally done and there are no other points of contention between the designer and the other functions involved in building these web projects. As the project moves into the stage of integrating it into the back end and deploying it to the production server other functions start to be pulled in and other issues arise such as the back-end developer understanding the frameworks that they are using such as the routes that are in place in an MVC application or the number of database calls that the ORM layer is actually making. There are many tools out there that can actually help with these problems such as mini profiler that gives you a quick snapshot of what is going on directly in the browser. For a slightly more in-depth look at what is happening and to gain a deeper understanding of an application you may be working on though, you may want to consider Glimpse. Created by Nik and Anthony, it is an application that sits at the bottom of your browser (installed via NuGet) which can show you information about how your application is pieced together and how the information on screen is being delivered as it happens. With a wealth of community-built plugins such as one for nHibernate and linq2SQL (full list of plugins on NuGet). It can be customized directly to your own setup to truly delve into the code to see what is happening, and can help to reduce the number of confusing moments about whether it is your code that is going wrong or whether there is something more sinister happening directly on the server. All the tools that I have mentioned in this post help to do one thing above all, and that is to ease the barrier of understanding between the different functions that are involved in building and maintaining a web application. In my experience it is very easy to say “Well, that’s not my problem”, simply because the two functions involved don’t truly understand the other’s point of view. Software should not only be seen as a way to streamline our own working process or as a debugging tool but also a communication aid to improve the entire lifecycle of a web project. Glimpse is actually the project that I am the designer on and I would love to get your feedback if you do decide to try it out or if you would like to share your own experiences of working on web projects please fill in your details at https://www.surveymk.com/s/joinGlimpse  or add a comment below and I will get in touch with you.

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• Wine Security - Improvement by second user account?

  - by F. K.

  Team, I'm considering installing wine - but still hesitant for security reasons. As far as I found out, malicious code could reach ~/.wine and all my personal data with my user-priviledges - but not farther than that. So - would it be any safer to create a second user account on my machine and install wine there? That way, the second user would only have reading rights to my files. Is there a way to install wine totally confined to that user - so that I can't execute .exe files from my original account? Thanks in advance! PS - I'm running Ubuntu 11.10 64bit if that matters.

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• SQL Server 2012 RTM Cumulative Update #10 is available!

  - by AaronBertrand

  The SQL Server team has released CU #10 for SQL Server 2012 RTM. KB article: http://support.microsoft.com/kb/2891666 Build # is 11.0.2420 This build has 4 fixes For most customers, this cumulative update hardly justifies the download, never mind patching and regression testing, at least IMHO. Of the four fixes, two involve SSAS, one involves SSRS, and one involves the database engine tuning advisor. Relevant for builds 11.0.2100 -> 11.0.2419. Do not attempt to install on SQL Server 2012 SP1 (any...(read more)

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• Free online Windows AzureConf this Wednesday

  - by ScottGu

  This Wednesday, November 14th, we’ll be hosting Windows AzureConf – a free online event for and by the Windows Azure community.  It will be streamed online from 8:30am->5:00 PM PST via Channel 9, and you can watch it all for free. I’ll be kicking off the event with a Windows Azure overview in the morning (a great way to learn more about Windows Azure if you haven’t used it yet!), and following my talk the rest of the day will be full of excellent presentations from members of the Windows Azure community.  You can ask questions from them live and I think you’ll find the day an excellent way to learn more about Windows Azure – as well as hear directly from developers building solutions on it today. Click here to learn more about the event and register for free to watch it live.  Hope to see you there! Scott P.S. We will also make the presentations available for download after the event in case you miss them. 

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