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• How to Make Ubuntu Play MP3 Files

  - by Trevor Bekolay

  Because of licensing issues, Ubuntu is unable to play MP3s out of the box. We’ll show you how to play MP3s and other restricted file formats in about four mouse clicks. The philosophy behind Ubuntu is that software should be free and accessible to all. Whether MP3 and other file formats are free is unclear in many countries, so Ubuntu does not include software to read these file formats by default. Fortunately, it does include a package that installs the most commonly used file formats all at once, including a Flash plugin for Firefox. Note: These instructions are for Ubuntu 10.04. There are small differences for earlier versions of Ubuntu. Play MP3 Files Open the Ubuntu Software Center, found in the Applications menu.   Click on View and ensure that All Software is selected. Type “restricted extras” into the search box at the top-right. Find the Ubuntu restricted extras package and click Install. Enter your password when prompted. Once the install is complete, close out of Ubuntu Software Center, and you’ll be able to play MP3 files! To confirm this, we’ll open up Rhythmbox, found in the Sound & Video section of the Applications menu. Our test MP3 plays with no problems! Note: If Rhythmbox tells you that MP3 plugins are not installed, close Rhythmbox and reopen it. You should not have to install anything extra through Rhythmbox.   Despite this extra step, playing the most common audio and video file formats – including Flash videos on the internet – is simple. All the software comes installed, you just have to teach them how to read your files. Similar Articles Productive Geek Tips How to Play .OGM Video Files in Windows VistaView Hidden Files and Folders in Ubuntu File BrowserMake Ubuntu Automatically Save Changes to Your SessionInstalling PHP4 and Apache on UbuntuInstalling PHP5 and Apache on Ubuntu TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Snagit 10 How to Forecast Weather, without Gadgets Outlook Tools, one stop tweaking for any Outlook version Zoofs, find the most popular tweeted YouTube videos Video preview of new Windows Live Essentials 21 Cursor Packs for XP, Vista & 7 Map the Stars with Stellarium

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• Build Open JDK 7 on Mac OSX (TOTD #172)

  - by arungupta

  The complete requirements, pre-requisites, and steps to build OpenJDK 7 port on Mac OSX are described here. The steps are very clearly explained and here are the exact ones I followed on my MacBook Pro 10.7.2: Confirm the version of pre-installed Java as: > java -versionjava version "1.6.0_26"Java(TM) SE Runtime Environment (build 1.6.0_26-b03-383-11A511c)Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02-383, mixed mode) Download and install Mercurial from mercurial.berkwood.com (zip bundle for 10.7 is here). It gets installed in the /usr/local/bin directory. Get the source code as (commands highlighted in bold): hg clone http://hg.openjdk.java.net/macosx-port/macosx-port destination directory: macosx-port requesting all changes adding changesets adding manifests adding file changes added 437 changesets with 364 changes to 33 files updating to branch default 31 files updated, 0 files merged, 0 files removed, 0 files unresolved cd macosx-port chmod 7555 get_source.sh ./get_source.sh # Repos:  corba jaxp jaxws langtools jdk hotspot Starting on corba Starting on jaxp Starting on jaxws Starting on langtools Starting on jdk Starting on hotspot # hg clone http://hg.openjdk.java.net/macosx-port/macosx-port/corba corba requesting all changes adding changesets adding manifests adding file changes added 396 changesets with 3275 changes to 1379 files . . . # exit code 0 # cd ./corba && hg pull -u pulling from http://hg.openjdk.java.net/macosx-port/macosx-port/corba searching for changes no changes found # exit code 0 # cd ./jaxp && hg pull -u pulling from http://hg.openjdk.java.net/macosx-port/macosx-port/jaxp searching for changes no changes found # exit code 0 Install Xcode from the App Store. Include /Developer/usr/bin in PATH. Note: JDK 1.6.0_26 ame pre-installed on my laptop and I installed Xode after that. The compilation went fine and there was no need to re-install the Java for Mac OS X as mentioned in the original steps. Build the code as: make ALLOW_DOWNLOADS=true SA_APPLE_BOOT_JAVA=true ALWAYS_PASS_TEST_GAMMA=true ALT_BOOTDIR=`/usr/libexec/java_home -v 1.6` HOTSPOT_BUILD_JOBS=`sysctl -n hw.ncpu` The final output is shown as: >>>Finished making images @ Sat Nov 19 00:59:04 WET 2011 ... >>>Finished making images @ Sat Nov 19 00:59:04 WET 2011 ...############################################################################# Leaving jdk for target(s) sanity all docs images ################################################################################## Build time 00:17:42 jdk for target(s) sanity all docs images ############################################################################### Build times ##########Target all_product_buildStart 2011-11-19 00:32:40End 2011-11-19 00:59:0400:01:46 corba00:04:07 hotspot00:00:51 jaxp00:01:21 jaxws00:17:42 jdk00:00:37 langtools00:26:24 TOTAL######################### Change the directory and verify the version: >cd build/macosx-universal/j2sdk-image/1.7.0.jdk/Contents/Home/bin >./java -version openjdk version "1.7.0-internal" OpenJDK Runtime Environment (build 1.7.0-internal-arungup_2011_11_19_00_32-b00) OpenJDK 64-Bit Server VM (build 21.0-b17, mixed mode) Now go fix some bugs, file new bugs, or discuss at the macosx-port-dev mailing list.

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• Configuring JPA Primary key sequence generators

  - by pachunoori.vinay.kumar(at)oracle.com

  This article describes the JPA feature of generating and assigning the unique sequence numbers to JPA entity .This article provides information on jpa sequence generator annotations and its usage. UseCase Description Adding a new Employee to the organization using Employee form should assign unique employee Id. Following description provides the detailed steps to implement the generation of unique employee numbers using JPA generators feature Steps to configure JPA Generators 1.Generate Employee Entity using "Entities from Table Wizard". View image2.Create a Database Connection and select the table "Employee" for which entity will be generated and Finish the wizards with default selections. View image 3.Select the offline database sources-Schema-create a Sequence object or you can copy to offline db from online database connection. View image 4.Open the persistence.xml in application navigator and select the Entity "Employee" in structure view and select the tab "Generators" in flat editor. 5.In the Sequence Generator section,enter name of sequence "InvSeq" and select the sequence from drop down list created in step3. View image 6.Expand the Employees in structure view and select EmployeeId and select the "Primary Key Generation" tab.7.In the Generated value section,select the "Use Generated value" check box ,select the strategy as "Sequence" and select the Generator as "InvSeq" defined step 4. View image   Following annotations gets added for the JPA generator configured in JDeveloper for an entity To use a specific named sequence object (whether it is generated by schema generation or already exists in the database) you must define a sequence generator using a @SequenceGenerator annotation. Provide a unique label as the name for the sequence generator and refer the name in the @GeneratedValue annotation along with generation strategy  For  example,see the below Employee Entity sample code configured for sequence generation. EMPLOYEE_ID is the primary key and is configured for auto generation of sequence numbers. EMPLOYEE_SEQ is the sequence object exist in database.This sequence is configured for generating the sequence numbers and assign the value as primary key to Employee_id column in Employee table. @SequenceGenerator(name="InvSeq", sequenceName = "EMPLOYEE_SEQ")   @Entity public class Employee implements Serializable {    @Id    @Column(name="EMPLOYEE_ID", nullable = false)    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator="InvSeq")   private Long employeeId; }   @SequenceGenerator @GeneratedValue @SequenceGenerator - will define the sequence generator based on a  database sequence object Usage: @SequenceGenerator(name="SequenceGenerator", sequenceName = "EMPLOYEE_SEQ") @GeneratedValue - Will define the generation strategy and refers the sequence generator  Usage:     @GeneratedValue(strategy = GenerationType.SEQUENCE, generator="name of the Sequence generator defined in @SequenceGenerator")

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• MAXDOP in SQL Azure

  - by Herve Roggero

  In my search of better understanding the scalability options of SQL Azure I stumbled on an interesting aspect: Query Hints in SQL Azure. More specifically, the MAXDOP hint. A few years ago I did a lot of analysis on this query hint (see article on SQL Server Central:  http://www.sqlservercentral.com/articles/Configuring/managingmaxdegreeofparallelism/1029/).  Here is a quick synopsis of MAXDOP: It is a query hint you use when issuing a SQL statement that provides you control with how many processors SQL Server will use to execute the query. For complex queries with lots of I/O requirements, more CPUs can mean faster parallel searches. However the impact can be drastic on other running threads/processes. If your query takes all available processors at 100% for 5 minutes... guess what... nothing else works. The bottom line is that more is not always better. The use of MAXDOP is more art than science... and a whole lot of testing; it depends on two things: the underlying hardware architecture and the application design. So there isn't a magic number that will work for everyone... except 1... :) Let me explain. The rules of engagements are different. SQL Azure is about sharing. Yep... you are forced to nice with your neighbors.  To achieve this goal SQL Azure sets the MAXDOP to 1 by default, and ignores the use of the MAXDOP hint altogether. That means that all you queries will use one and only one processor.  It really isn't such a bad thing however. Keep in mind that in some of the largest SQL Server implementations MAXDOP is usually also set to 1. It is a well known configuration setting for large scale implementations. The reason is precisely to prevent rogue statements (like a SELECT * FROM HISTORY) from bringing down your systems (like a report that should have been running on a different in the first place) and to avoid the overhead generated by executing too many parallel queries that could cause internal memory management nightmares to the host Operating System. Is summary, forcing the MAXDOP to 1 in SQL Azure makes sense; it ensures that your database will continue to function normally even if one of the other tenants on the same server is running massive queries that would otherwise bring you down. Last but not least, keep in mind as well that when you test your database code for performance on-premise, make sure to set the DOP to 1 on your SQL Server databases to simulate SQL Azure conditions.

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• F# and ArcObjects, Part 3

  - by Marko Apfel

  Today i played a little bit with IFeature-sequences and piping data. The result was a calculator of the bounding box around all features in a feature class. Maybe a little bit dirty, but for learning was it OK. ;-) open System;; #I "C:\Program Files\ArcGIS\DotNet";; #r "ESRI.ArcGIS.System.dll";; #r "ESRI.ArcGIS.DataSourcesGDB.dll";; #r "ESRI.ArcGIS.Geodatabase.dll";; #r "ESRI.ArcGIS.Geometry.dll";; open ESRI.ArcGIS.esriSystem;; open ESRI.ArcGIS.DataSourcesGDB;; open ESRI.ArcGIS.Geodatabase;; open ESRI.ArcGIS.Geometry; let aoInitialize = new AoInitializeClass();; let status = aoInitialize.Initialize(esriLicenseProductCode.esriLicenseProductCodeArcEditor);; let workspacefactory = new SdeWorkspaceFactoryClass();; let connection = "SERVER=okul;DATABASE=p;VERSION=sde.default;INSTANCE=sde:sqlserver:okul;USER=s;PASSWORD=g";; let workspace = workspacefactory.OpenFromString(connection, 0);; let featureWorkspace = (box workspace) :?> IFeatureWorkspace;; let featureClass = featureWorkspace.OpenFeatureClass("Praxair.SFG.BP_L_ROHR");; let queryFilter = new QueryFilterClass();; let featureCursor = featureClass.Search(queryFilter, true);; let featureCursorSeq (featureCursor : IFeatureCursor) = let actualFeature = ref (featureCursor.NextFeature()) seq { while (!actualFeature) <> null do yield actualFeature do actualFeature := featureCursor.NextFeature() };; let min x y = if x < y then x else y;; let max x y = if x > y then x else y;; let info s (x : IEnvelope) = printfn "%s xMin:{%f} xMax: {%f} yMin:{%f} yMax: {%f}" s x.XMin x.XMax x.YMin x.YMax;; let con (env1 : IEnvelope) (env2 : IEnvelope) = let env = (new EnvelopeClass()) :> IEnvelope env.XMin <- min env1.XMin env2.XMin env.XMax <- max env1.XMax env2.XMax env.YMin <- min env1.YMin env2.YMin env.YMax <- max env1.YMax env2.YMax info "Intermediate" env env;; let feature = featureClass.GetFeature(100);; let ext = feature.Extent;; let BoundingBox featureClassName = let featureClass = featureWorkspace.OpenFeatureClass(featureClassName) let queryFilter = new QueryFilterClass() let featureCursor = featureClass.Search(queryFilter, true) let featureCursorSeq (featureCursor : IFeatureCursor) = let actualFeature = ref (featureCursor.NextFeature()) seq { while (!actualFeature) <> null do yield actualFeature do actualFeature := featureCursor.NextFeature() } featureCursorSeq featureCursor |> Seq.map (fun feature -> (!feature).Extent) |> Seq.fold (fun (acc : IEnvelope) a -> info "Intermediate" acc (con acc a)) ext ;; let boundingBox = BoundingBox "Praxair.SFG.BP_L_ROHR";; info "Ende-Info:" boundingBox;;

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• StreamInsight and Reactive Framework Challenge

  In his blogpost Roman from the StreamInsight team asked if we could create a Reactive Framework version of what he had done in the post using StreamInsight.  For those who don’t know, the Reactive Framework or Rx to its friends is a library for composing asynchronous and event-based programs using observable collections in the .Net framework.  Yes, there is some overlap between StreamInsight and the Reactive Extensions but StreamInsight has more flexibility and power in its temporal algebra (Windowing, Alteration of event headers) Well here are two alternate ways of doing what Roman did. The first example is a mix of StreamInsight and Rx var rnd = new Random(); var RandomValue = 0; var interval = Observable.Interval(TimeSpan.FromMilliseconds((Int32)rnd.Next(500,3000))) .Select(i => { RandomValue = rnd.Next(300); return RandomValue; }); Server s = Server.Create("Default"); Microsoft.ComplexEventProcessing.Application a = s.CreateApplication("Rx SI Mischung"); var inputStream = interval.ToPointStream(a, evt => PointEvent.CreateInsert( System.DateTime.Now.ToLocalTime(), new { RandomValue = evt}), AdvanceTimeSettings.IncreasingStartTime, "Rx Sample"); var r = from evt in inputStream select new { runningVal = evt.RandomValue }; foreach (var x in r.ToPointEnumerable().Where(e => e.EventKind != EventKind.Cti)) { Console.WriteLine(x.Payload.ToString()); } This next version though uses the Reactive Extensions Only   var rnd = new Random(); var RandomValue = 0; Observable.Interval(TimeSpan.FromMilliseconds((Int32)rnd.Next(500, 3000))) .Select(i => { RandomValue = rnd.Next(300); return RandomValue; }).Subscribe(Console.WriteLine, () => Console.WriteLine("Completed")); Console.ReadKey();   These are very simple examples but both technologies allow us to do a lot more.  The ICEPObservable() design pattern was reintroduced in StreamInsight 1.1 and the more I use it the more I like it.  It is a very useful pattern when wanting to show StreamInsight samples as is the IEnumerable() pattern.

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• Deploying an ADF Secure Application using WLS Console

  - by juan.ruiz

  Last week I worked on a requirement from a customer that wanted to understand how to deploy to WLS an application with ADF Security without using JDeveloper. The main question was, what steps where needed in order to set up Enterprise Roles, Security Policies and Application Credentials. In this entry I will explain the steps taken using JDeveloper 11.1.1.2. 0 Requirements: Instead of building a sample application from scratch, we can use Andrejus 's sample application that contains all the security pieces that we need. Open and migrate the project. Also make sure you adjust the database settings accordingly. Creating the EAR file Review the Security settings of the application by going into the Application -> Secure menu and see that there are two enterprise roles as well as the ADF Policies enforcing security on the main page. Make sure the Application Module uses the Data Source instead of JDBC URL for its connection type, also take note of the data source name - in my case I have: java:comp/env/jdbc/HrDS To facilitate the access to this application once we deploy it. Go to your ViewController project properties select the Java EE Application category and give it a meaningful name to the context root as well to the Application Name Go to the ADFSecurityWL Application properties -> Deployment  and create a new EAR deployment profile. Uncheck the Auto generate and Synchronize weblogic-jdbc.xml Descriptors During Deployment Deploy the application as an EAR file. Deploying the Application to WLS using the WLS Console On the WLS console create a JNDI data source. This is the part that I found more tricky of the hole exercise given that the name should match the AM's data source name, however the naming convention that worked for me was jdbc.HrDS Now, deploy the application manually by selecting deployments ->Install look for the EAR and follow the default steps. If this is the firs time you deploy the application, once the deployment finishes you will be asked to Activate Changes on the domain, these changes contain all the security policies and application roles insertion into the WLS instance. Creating Roles and User Groups for the Application To finish the after-deployment set up, we need to create the groups that are the equivalent of the Enterprise Roles of ADF Security. For our sample we have two Enterprise Roles employeesApplication and managersApplication. After that, we create the application users and assign them into their respective groups. Now we can run the application and test the security constraints

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• Add Transitions to Slideshows in PowerPoint 2010

  - by DigitalGeekery

  Sitting through PowerPoint presentation can sometimes get a little boring. You can make your slideshows more interesting by adding transitions between the slides in your presentations. Transitions certainly aren’t new to PowerPoint, but Office 2010 adds a number of exciting new transitions and options. Add Transitions Select the slide to which you want to apply a transition. On the Transitions tab, select the More button to reveal the all transition options in the gallery.   Select the transition you’d like to apply to your slide. The transitions are divided into three types…Subtle, Exciting, and Dynamic Content. You can hover your mouse over each item in the gallery to preview the transition with Live Preview. You can adjust many of the transitions using Effect Options. The options will vary depending on which transition you’ve selected.   You can add additional customizations in the Timing Group. You can add sound by selecting one of the options in the Sound dropdown list…   You can change the duration of the transition… Or choose to advance the slide On Mouse Click (default) or automatically after a certain period of time.   If you’d like to apply one transition to every slide in your presentation, select the Apply To All button. You can preview your transition by clicking the Preview button on the Transitions tab. A few clicks is all it takes to add a little energy and excitement to an otherwise dry presentation.   Are you looking for more ways to spice up your PowerPoint 2010 slideshows? You could try adding animation to text and images, or adding video from the web. Similar Articles Productive Geek Tips Insert Tables Into PowerPoint 2007Bring Office 2003 Menus Back to 2010 with UBitMenuEmbed True Type Fonts in Word and PowerPoint 2007 DocumentsHow to Add Video from the Web in PowerPoint 2010Add Artistic Effects to Your Pictures in Office 2010 TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips HippoRemote Pro 2.2 Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Windows Media Player Plus! – Cool WMP Enhancer Get Your Team’s World Cup Schedule In Google Calendar Backup Drivers With Driver Magician TubeSort: YouTube Playlist Organizer XPS file format & XPS Viewer Explained Microsoft Office Web Apps Guide

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• ORM Profiler v1.1 has been released!

  - by FransBouma

  We've released ORM Profiler v1.1, which has the following new features: Real time profiling A real time viewer (RTV) has been added, which gives insight in the activity as it is received by the client, in two views: a chronological connection overview and an activity graph overview. This RTV allows the user to directly record to a snapshot using record buttons, pause the view, mark a range to create a snapshot from that range, and view graphs about the # of connection open actions and # of commands per second. The RTV has a 'range' in which it keeps live data and auto-cleans data that's older than this range. Screenshot of the activity graphs part of the real-time viewer: Low-level activity tab A new tab has been added to the Application tabs: the Low-level activity tab. This tab shows the main activity as it has been received over the named pipe. It can help to get insight in the chronological activity without the grouping over connections, so multiple connections at the same time per thread are easier to spot. Clicking a command will sync the rest of the application tabs, clicking a row will show the details below the splitter bar, as it is done with the other application tabs as well. Default application name in interceptor When an empty string or null is passed for application name to the Initialize method of the interceptor, the AppDomain's friendly name is used instead. Copy call stack to clipboard A call stack viewed in a grid in various parts of the UI is now copyable to the clipboard by clicking a button. Enable/Disable interceptor from the config file It's now possible to enable/disable the interceptor Initialization from the application's config file, using: Code: <appSettings> <add key="ORMProfilerEnabled" value="true"/> </appSettings> if value is true, the interceptor's Initialize method will proceed. If the value is false, the interceptor's Initialize method will not proceed and initialization won't be performed, meaning no interception will take place. If the setting is absent, or misconfigured, the Initialize method will proceed as normal and perform the initialization. Stored procedure calls for select databases are now properly displayed as a call For the databases: SQL Server, Oracle, DB2, Sybase ASA, Sybase ASE and Informix a stored procedure call is displayed as an execute/call statement and copy to clipboard works as-is. I'm especially happy with the new real-time profiling feature in ORM Profiler, which is the flagship feature for this release: it offers a completely new way to use the profiler, namely directly during debugging: you can immediately see what's going on without the necessity of a snapshot. The activity graph feature combined with the auto-cleanup of older data, allows you to keep the profiler open for a long period of time and see any spike of activity on the profiled application.

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• Manage Your Twitter Account from the Sidebar in Firefox

  - by Asian Angel

  Are you a Twitter addict and need an easy way to manage your account in Firefox? Now you can access Twitter in your Sidebar or as a separate window with the TwitKit+ extension for Firefox. Accessing TwitKit+ There are three ways that you can access TwitKit+ after installing the extension. The first is by adding the “Toolbar Button” to your browser’s UI. The second and third methods are through the “View & Tools Menus”.   TwitKit+ in Action When you open TwitKit+ for the first time you will see Twitter’s “Public Tweet Stream”. To get started login into your account. Note: If you do not care for the “brown theme” you can select a different one in “Preferences”. Here is a closer look at the top area and the commands available. Notice the “blue arrow symbol” in the upper left corner…very useful if you want to separate TwitKit+ from your main browser window for a bit. Secure Mode, Undock, Preferences, Login/Logout Google Search, Twitter Search, Copy Selection To Status Box, Shorten Selected URL Public, User, Friends, Followers, @ Messages, Direct Messages, Profile Note: To use Google or Twitter search enter your term in the “Status Area” and click on the appropriate service icon. Here is the regular timeline for our account…the “clickable tab buttons” make everything easy to view and work with. You can perform actions such as replying, retweeting, marking as a favorite, etc. using the set of “management buttons” at the bottom of each tweet. To add a new tweet to your timeline enter your text and press “Enter”. A look at the “Following List” for our account. Having a more defined and separate “view categories” set makes this better than directly accessing the Twitter website. Preferences The preferences can be quickly sorted out…choose how often the timeline is updated, name display, favorite URL shortening service, theme, and font size. Note: The default connection setting is for “Secure Access”. Conclusion TwitKit+ makes a nice addition to Firefox for anyone who loves keeping up with Twitter throughout the day. There when you want it and out of your way the rest of the time. Links Download the TwitKit+ extension (Mozilla Add-ons) Similar Articles Productive Geek Tips Move Add-on Management to the Sidebar in FirefoxPreview and Manage Multiple Tabs in Firefox with Tab SidebarDisable Windows Sidebar in VistaQuick Tip: Use Google Talk Sidebar in FirefoxRun Windows Sidebar Gadgets Without the Sidebar TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 PCmover Professional Enable Check Box Selection in Windows 7 OnlineOCR – Free OCR Service Betting on the Blind Side, a Vanity Fair article 30 Minimal Logo Designs that Say More with Less LEGO Digital Designer – Free Create a Personal Website Quickly using Flavors.me

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• Manage Your Twitter Account from the Sidebar in Firefox

  - by Asian Angel

  Are you a Twitter addict and need an easy way to manage your account in Firefox? Now you can access Twitter in your Sidebar or as a separate window with the TwitKit+ extension for Firefox. Accessing TwitKit+ There are three ways that you can access TwitKit+ after installing the extension. The first is by adding the “Toolbar Button” to your browser’s UI. The second and third methods are through the “View & Tools Menus”.   TwitKit+ in Action When you open TwitKit+ for the first time you will see Twitter’s “Public Tweet Stream”. To get started login into your account. Note: If you do not care for the “brown theme” you can select a different one in “Preferences”. Here is a closer look at the top area and the commands available. Notice the “blue arrow symbol” in the upper left corner…very useful if you want to separate TwitKit+ from your main browser window for a bit. Secure Mode, Undock, Preferences, Login/Logout Google Search, Twitter Search, Copy Selection To Status Box, Shorten Selected URL Public, User, Friends, Followers, @ Messages, Direct Messages, Profile Note: To use Google or Twitter search enter your term in the “Status Area” and click on the appropriate service icon. Here is the regular timeline for our account…the “clickable tab buttons” make everything easy to view and work with. You can perform actions such as replying, retweeting, marking as a favorite, etc. using the set of “management buttons” at the bottom of each tweet. To add a new tweet to your timeline enter your text and press “Enter”. A look at the “Following List” for our account. Having a more defined and separate “view categories” set makes this better than directly accessing the Twitter website. Preferences The preferences can be quickly sorted out…choose how often the timeline is updated, name display, favorite URL shortening service, theme, and font size. Note: The default connection setting is for “Secure Access”. Conclusion TwitKit+ makes a nice addition to Firefox for anyone who loves keeping up with Twitter throughout the day. There when you want it and out of your way the rest of the time. Links Download the TwitKit+ extension (Mozilla Add-ons) Similar Articles Productive Geek Tips Move Add-on Management to the Sidebar in FirefoxPreview and Manage Multiple Tabs in Firefox with Tab SidebarDisable Windows Sidebar in VistaQuick Tip: Use Google Talk Sidebar in FirefoxRun Windows Sidebar Gadgets Without the Sidebar TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 PCmover Professional Enable Check Box Selection in Windows 7 OnlineOCR – Free OCR Service Betting on the Blind Side, a Vanity Fair article 30 Minimal Logo Designs that Say More with Less LEGO Digital Designer – Free Create a Personal Website Quickly using Flavors.me

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• 10 steps to enable &lsquo;Anonymous Access&rsquo; for your SharePoint 2010 site

  - by KunaalKapoor

  What’s Anonymous Access? Anonymous access to your SharePoint site enables all visitors to view your SharePoint site anonymously without having to log in. With this blog I’d like to go through an easy step wise procedure to enable/set up anonymous access. Before you actually enable anonymous access on the site, you’ll have to change some settings at the web app level. So let’s start with that: Prerequisite(s): 1. A hosted SharePoint 2010 farm/server. 2. An existing SharePoint site. I just thought I’d mention the above pre-reqs, since the steps mentioned below would’nt be valid or a different type of a site. Step 1: In Central Administration, under Application Management, click on the Manage web applications. Step 2: Now select the site you want to enable anonymous access and click on the Authentication Providers icon. Step 3: On the modal window click on the Default zone. Step 4: Now under the Edit Authentication section, check Enable anonymous access and click Save. This is basically to make the Anonymous Access authentication mechanism available at the web app level @ IIS. Now, web application will allow anonymous access to be set. 5. Going back to Web Application Management click on the Anonymous Policy icon. Step 6: Also before we proceed any further, under the Anonymous Access Restrictions (@ web app mgmt.) select your Zone and set the Permissions to None – No policy and click Save. Step 7:  Now lets navigate to your top level site collection for the web application. Click the Site Actions > Site Settings. Under Users and Permissions click Site permissions. Step 8: Under Users and Permissions, click on Site Permissions. Step 9: Under the Edit tab, click on Anonymous Access. Step 10: Choose whether you want Anonymous users to have access to the entire Web site or to lists and libraries only, and then click on OK. You should now be able to see the view as below under your permissions Also keep in mind: If you are trying to access the site from a browser within the domain, then you’ll need to change some browser settings to see the after affects. Normally this is because the browsers (Internet Explorer) is set to log in automatically to intranet zone only , not sure if you have explicitly changed the zones and added it to trusted sites. If this is from a box within your domain please try to access the site by temporarily changing the Internet Explorer setting to Anonymous Logon on the zone that the site is added example "Intranet" and try . You will find the same settings by clicking on Tools > Internet Options > Security Tab.

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• Truly understand the threshold for document set in document library in SharePoint

  - by ybbest

  Recently, I am working on an issue with threshold. The problem is that when the user navigates to a view of the document library, it displays the error message “list view threshold is exceeded”. However, in the view, it has no data. The list view threshold limit is 5000 by default for the non-admin user. This limit is not the number of items returned by your query; it is the total number of items the database needs to read to calculate the returned result set. So although the view does not return any result but to calculate the result (no data to show), it needs to access more than 5000 items in the database. To fix the issue, you need to create an index for the column that you use in the filter for the view. Let’s look at the problem in details. You can download a solution to replicate this issue here. 1. Go to Central Admin ==> Web Application Management ==>General Settings==> Click on Resource Throttling 2. Change the list view threshold in web application from 5000 to 2000 so that I can show the problem without loading more than 5000 items into the list. FROM TO 3. Go to the page that displays the approved view of the Loan application document set. It displays the message as shown below although I do not have any data returned for this view. 4. To get around this, you need to create an index column. Go to list settings and click on the Index columns. 5. Click on the “Create a new index” link. 6. Select the LoanStatus field as I use this filed as the filter to create the view. 7. After the index is created now I can access the approved view, as you can see it does not return any data. Notes: List View Threshold: Specify the maximum number of items that a database operation can involve at one time. Operations that exceed this limit are prohibited. References: SharePoint lists V: Techniques for managing large lists Manage large SharePoint lists for better performance http://blogs.technet.com/b/speschka/archive/2009/10/27/working-with-large-lists-in-sharepoint-2010-list-throttling.aspx

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• .NET development on a “Retina” MacBook Pro

  - by Jeff

  The rumor that Apple would release a super high resolution version of its 15” laptop has been around for quite awhile, and one I watched closely. After more than three years with a 17” MacBook Pro, and all of the screen real estate it offered, I was ready to replace it with something much lighter. It was a fantastic machine, still doing 6 or 7 hours after 460 charge cycles, but I wanted lighter and faster. With the SSD I put in it, I was able to sell it for $750. The appeal of higher resolution goes way back, when I would plug into a projector and scale up. Consolas, as it turns out, is a nice looking font for code when it’s bigger. While I have mostly indifference for iOS, I have to admit that a higher dot pitch on the iPhone and iPad is pretty to look at. So I ordered the new 15” “Retina” model as soon as the Apple Store went live with it, and got it seven days later. I’ve been primarily using Parallels as my VM of choice from OS X for about five years. They recently put out an update for compatibility with the display, though I’m not entirely sure what that means. I figured there would have to be some messing around to get the VM to look right. The combination that seems to work best is this: Set the display in OS X to “more room,” which is roughly the equivalent of the 1920x1200 that my 17” did. It’s not as stunning as the text at the default 1440x900 equivalent (in OS X), but it’s still quite readable. Parallels still doesn’t entirely know what to do with the high resolution, though what it should do is somehow treat it as native. That flaw aside, I set the Windows 7 scaling to 125%, and it generally looks pretty good. It’s not really taking advantage of the display for sharpness, but hopefully that’s something that Parallels will figure out. Screen tweaking aside, I got the base model with 16 gigs of RAM, so I give the VM 8. I can boot a Windows 7 VM in 9 seconds. Nine seconds! The Windows Experience Index scores are all 7 and above, except for graphics, which are both at 6. Again, that’s in a VM. It’s hard to believe there’s something so fast in a little slim package like that. Hopefully this one gets me at least three years, like the last one.

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• SQL Developer: Why Do You Require Semicolons When Executing SQL in the Worksheet?

  - by thatjeffsmith

  There are many database tools out there that support Oracle database. Oracle SQL Developer just happens to be the one that is produced and shipped by the same folks that bring you the database product. Several other 3rd party tools out there allow you to have a collection of SQL statements in their editor and execute them without requiring a statement delimiter (usually a semicolon.) Let’s look at a quick example: select * from scott.emp select * from hr.employees delete from HR_COPY.BEER where HR_COPY.BEER.STATE like '%West Virginia% In some tools, you can simply place your cursor on say the 2nd statement and ask to execute that statement. The tool assumes that the blank line between it and the next statement, a DELETE, serves as a statement delimiter. This is not bad in and of itself. However, it is very important to understand how your tools work. If you were to try the same trick by running the delete statement, it would empty my entire BEER table instead of just trimming out the breweries from my home state. SQL Developer only executes what you ask it to execute You can paste this same code into SQL Developer and run it without problems and without having to add semicolons to your statements. Highlight what you want executed, and hit Ctrl-Enter If you don’t highlight the text, here’s what you’ll see: See the statement at the cursor vs what SQL Developer actually executed? The parser looks for a query and keeps going until the statement is terminated with a semicolon – UNLESS it’s highlighted, then it assumes you only want to execute what is highlighted. In both cases you are being explicit with what is being sent to the database. Again, there’s not necessarily a ‘right’ or ‘wrong’ debate here. What you need to be aware of is the differences and to learn new workflows if you are moving from other database tools to Oracle SQL Developer. I say, when in doubt, back away from the tool, especially if you’re in production. Oh, and to answer the original question… Because we’re trying to emulate SQL*Plus behavior. You end statements in SQL*Plus with delimiters, and the default delimiter is a semicolon.

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• Gain Quick Access to the Cache in Firefox

  - by Asian Angel

  Are you looking for a quick and simple way to view the contents of the cache in Firefox? Then you will definitely want to see how easy it can be using the CacheViewer extension. Note: CacheViewer is a front-end app for easily accessing and searching the memory cache. Before Viewing the cache in Firefox using “about:cache” provides some information about the contents but may not be the most efficient method available for some people. CacheViewer in Action Once you have installed the extension there are three easy ways to access your new cache viewer. The first is using the “CacheViewer Command” available in the “Tools Menu” and the second is using the keyboard shortcut “Ctrl + Shift + C”. The third way is by adding a “Toolbar Button” to your browser’s UI. All three work equally well…choose the method that best suits your personal needs. When you access the “CacheViewer Window” this is what it will look like. You may decide to resize it and move (or hide) some of the columns for the best viewing. You can easily scroll through the cache contents and preview images if desired as shown here. If you keep the “CacheViewer Window” open you can refresh it as you browse using the “Refresh Button” in the lower right corner. This is a nice, quick, and very simple way to access the cache on demand and save items to your hard-drive if desired. Note: The “CacheViewer” can also be set to open in a new tab instead (see “Options”). Options Choose whether “CacheViewer” opens in a separate window (default) or in a new tab. Conclusion If you want a quick and simple way to view the cache in Firefox then the CacheViewer extension is just what you have been looking for. Link Download the CacheViewer extension (Mozilla Add-ons) Similar Articles Productive Geek Tips Add a Cache Clearing Button to FirefoxSearch for Install Packages from the Ubuntu Command LineQuick Tip: Empty Internet Explorer 7 Cache when Browser is ClosedView Internet Explorer Cache Files the Easy WayQuick Hits: 11 Firefox Tab How-Tos TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Out of band Security Update for Internet Explorer 7 Cool Looking Screensavers for Windows SyncToy syncs Files and Folders across Computers on a Network (or partitions on the same drive) If it were only this easy Classic Cinema Online offers 100’s of OnDemand Movies OutSync will Sync Photos of your Friends on Facebook and Outlook

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• We’ve Got 10 Free Copies of Microsoft’s Networking Windows 7 eBook to Give Away. Get Yours!

  - by The Geek

  Last month, we reviewed our friend Ciprian’s new book by Microsoft Press, Network Your Computers & Devices: Step by Step—and we’ve twisted his arm until he decided to give away 10 free copies for our readers. First, the book: It’s a great book that covers networking between computers running Windows 7, XP, Vista, Linux, and even Mac OS X. Just as the title suggests, he’s got step-by-step tutorials that explain how to get your network up and running with a minimum of fuss. Want to see for yourself? You can grab a copy of the free sample chapter if you’d like, or you can look through the chapter outline: Chapter 1: Setting Up a Router and Devices Chapter 2: Setting User Accounts on All Computers Chapter 3: Setting Up Your Libraries on All Windows 7 Computers Chapter 4: Creating the Network Chapter 5: Customizing Network Sharing Settings in Windows 7 Chapter 6: Creating the Homegroup and Joining Windows 7 Computers Chapter 7: Sharing Libraries and Folders Chapter 8: Sharing and Working with Devices Chapter 9: Streaming Media Over the Network and the Internet Chapter 10: Sharing Between Windows XP, Windows Vista, and Windows 7 Computers Chapter 11: Sharing Between Mac OS X and Windows 7 Computers Chapter 12: Sharing Between Ubuntu Linux and Windows 7 Computers Chapter 13: Keeping the Network Secure Chapter 14: Setting Up Parental Controls Chapter 15: Troubleshooting Network and Internet Problems Whether you believe it’s the perfect book or not, we’re giving away one for free, so keep reading. Giveaway Details: Or What You Need to Do Since we’ve got an awful lot of subscribers, and we’ve only got 10 ebooks to give away, we need a few rules. So here’s how you can put your name into the hat for the giveaway: Method 1: Leave a comment on the giveaway post over on our Facebook Fan page. Obviously you’ll need to Like us before you can leave a comment. Method 2: If you don’t use Facebook, you can tweet this post using the Tweet button at the top of the article. Winners: We’ll randomly pick 10 winners from those who participate. Expiration: This giveaway expires in 3 days, give or take a day. We’ll announce the winners and contact them directly. So go forth, and get yourself a free ebook! Of course, if you want the print version, you can get that for a discount over on Amazon at the moment. Latest Features How-To Geek ETC Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware How to Change the Default Application for Android Tasks Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines MyPaint is an Open-Source Graphics App for Digital Painters Can the Birds and Pigs Really Be Friends in the End? [Angry Birds Video] Add the 2D Version of the New Unity Interface to Ubuntu 10.10 and 11.04 MightyMintyBoost Is a 3-in-1 Gadget Charger Watson Ties Against Human Jeopardy Opponents Peaceful Tropical Cavern Wallpaper

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• La nueva version de Enterprise Manager 12c, Release 4!

  - by grantunez-Oracle

  El día 3 de Junio del 2014 se anuncio la nueva versión de Enterprise Manager, y en esta versión hay nuevas funcionalidades que realmente hace que uno se apasione por este producto. Aquí no voy a platicar de todas las nuevas características, pero si de unas cuantas que son las de mas interés para la Base de Datos. Gestión Avanzada de Umbrales (Advanced Threshold Management) Esta funcionalidad  lo que permite es tener una mayor flexibilidad en los umbrales de todos tus objetivos (Targets) Umbrales basados en tiempo: Auto ajusta los umbrales estáticos, basados ??en los cambios de carga de trabajo de tu ambiente de trabajo. Por ejemplo, no son las mismas cargas de trabajo que tiene tu ambiente los fines de semana a comparación en un cierre de mes. Umbrales adaptativos: Umbrales que se calculan automáticamente para alertar si tu objetivo, ya sea una BD o un Exadata  se desvía del comportamiento esperado de su ambiente normal de trabajo. Interfaz para el seguimiento de tus tareas programadas Anteriormente si tenias varias tareas programadas, tenias que entrar a cada uno de tus targets para verificar como iba progresando, ahora en esta nueva versión, existe una nueva interfaz en la que te podrá permitir ver todas las tareas programadas que tienes en tu ambiente, reduciendo el numero de clicks para poder llegar a esta. De igual manera, se introduce la capacidad de poder exportar e importar tus tareas programadas a través de emcli emcli export_jobs  emcli import_jobs   Almacén de AWR (AWR Warehouse) En esta nueva versión se introdujo un almacén de los snapshots de AWR, este almacén o repositorio por default tiene una retención infinita, significando, que nunca va a borrar los snapshots de AWR.  Este repositorio puede ser una BD en  11.2.0.4 + el ultimo PSU o una version mas nueva. Las siguientes caracteristicas de AWR van a encontrarse en este repositorio Pagina de Performance Reporte AWR ASH Analytics Comparar un periodo de ADDM Comparar un un periodo de tiempo  In-Memory Store Central  Enterprise Manager 12.1.0.4 viene listo para la nueva version de la base de datos 12c, en donde vamos a poder ver un heat-map de los objetos que se encuentran en el "memory-store". Aquí, vamos a poder ver la compresión que se efectúa sobre los segmentos "en-memoria". De la misma manera vamos a tener un tutor o advisor, que nos va a poder guiar en nuestro proceso de decisión para ver que segmentos podemos definir en nuestra "in-memory store" . Mas Información Enterprise Manager  Enterprise Manager Cloud Control Documentation

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• Oracle Coherence 3.5 : Create Internet-scale applications using Oracle's high-performance data grid

  - by frederic.michiara

  Oracle Coherence Coherence provides replicated and distributed (partitioned) data management and caching services on top of a reliable, highly scalable peer-to-peer clustering protocol. Coherence has no single points of failure; it automatically and transparently fails over and redistributes its clustered data management services when a server becomes inoperative or is disconnected from the network. When a new server is added, or when a failed server is restarted, it automatically joins the cluster and Coherence fails back services to it, transparently redistributing the cluster load. Coherence includes network-level fault tolerance features and transparent soft re-start capability to enable servers to self-heal. For the ones looking at an easy reading and first good approach to Oracle Coherence, I would recommend reading the following book : Overview of Oracle Coherence 3.5 Build scalable web sites and Enterprise applications using a market-leading data grid product Design and implement your domain objects to work most effectively with Coherence and apply Domain Driven Designs (DDD) to Coherence applications Leverage Coherence events and continuous queries to provide real-time updates to client applications Successfully integrate various persistence technologies, such as JDBC, Hibernate, or TopLink, with Coherence Filled with numerous examples that provide best practice guidance, and a number of classes you can readily reuse within your own applications This book is targeted to Architects and developers, and as in our team we're more about Solutions Architects than developers I found interest in this book as it help to understand better Oracle Coherence and its value. The only point I may not agree with the authors is that Oracle Coherence is not an alternative to Oracle RAC in providing High Availability, but combining both Oracle RAC and Oracle Coherence will help Architects and Customers to reach higher level of service and high-availability. This book is available on https://www.packtpub.com/oracle-coherence-3-5/book Need to find out about Table of contents : https://www.packtpub.com/toc/oracle-coherence-35-table-contents Discover a sample chapter : https://www.packtpub.com/sites/default/files/6125_Oracle%20Coherence_SampleChapter.pdf Read also articles from the Authors on http://www.packtpub.com/ : Working with Aggregators in Oracle Coherence 3.5 Working with Value Extractors and Simplifying Queries in Oracle Coherence 3.5 Querying the Data Grid in Coherence 3.5: Obtaining Query Results and Using Indexes Installing Coherence 3.5 and Accessing the Data Grid: Part 1 Installing Coherence 3.5 and Accessing the Data Grid: Part 2 For more information on Oracle Coherence : What Oracle Coherence Can Do for You... : http://www.oracle.com/technology/products/coherence/coherencedatagrid/coherence_solutions.html Oracle Coherence on OTN : http://www.oracle.com/technology/products/coherence/index.html Oracle Coherence Knowledge Base : http://coherence.oracle.com/display/COH/Oracle+Coherence+Knowledge+Base+Home

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• Working with Visual Studio Web Development Server and IE6 in XP Mode on Windows 7

  - by Igor Milovanovic

  (Brian Reiter from  thoughtful computing has described this setup in this StackOverflow thread. The credit for the idea is entirely his, I have just extended it with some step by step descriptions and added some links and screenhots.)   If you are forced  to still support Internet Explorer 6, you can setup following combination on your machine to make the development for it less painful. A common problem if you are developing on Windows 7 is that you can’t install IE6 on your machine. (Not that you want that anyway). So you will probably end up working locally with IE8 and FF, and test your IE6 compatibility on a separate machine. This can get quite annoying, because you will have to maintain two different development environments, not have all the tools available, etc.   You can help yourself by installing IE6 in a Windows 7 XP Mode, which is basically just an Windows XP running in a virtual machine.   [1] Windows XP Mode installation   After you have installed and configured your XP mode (remember the security settings like Windows Update and antivirus software), you can add the shortcut to the IE6 in the virtual machine to the “all users” start menu. This shortcut will be replicated to your windows 7 XP mode start menu, and you will be able to seamlessly start your IE 6 as a normal window on your Windows 7 desktop.   [2] Configure IE6 for the Windows 7 installation   If you configure your XP – Mode to use (Shared Networking)  NAT, you can now use IE6 to browse the sites in the internet. (add proxy settings to IE6 if necessary)                       The problem now is that you can’t connect to the webdev server which is running on your local machine. This is because web development server is crippled to allow only local connections for security reasons.   In order to trick webdev in believing that the requests are coming from local machine itself you can use a light weight proxy like privoxy on your host (windows 7) machine and configure the IE6 running in the virtual host.   The first step is to make the host machine (running windows 7) reachable from the virtual machine (running XP). In order to do that, you can install the loopback adapter, and configure it to use an IP which is routable from the virtual machine. In example screenshot (192.168.1.66).   [3] How to install loopback adapter in Windows 7   After installation you can assign a static IP which is routable from the virtual machine (in example 192.168.1.66)                     The next step is to configure privoxy to listen on that IP address (using some not used port, in example, the default port 8118)   Change following line in config.txt:   # #      Suppose you are running Privoxy on an IPv6-capable machine and #      you want it to listen on the IPv6 address of the loopback device: # #        listen-address [::1]:8118 # # listen-address  192.168.1.66:8118   The last step is to configure the IE6 to use Privoxy which is running on your Windows 7 host machine as proxy for all addresses (including localhost)                             And now you can use your Windows7 XP Mode IE6 to connect to your Visual Studio’s webdev web server.                         [4] http://stackoverflow.com/questions/683151/connect-remotely-to-webdev-webserver-exe

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• Mathematica Programming Language&ndash;An Introduction

  - by JoshReuben

  The Mathematica http://www.wolfram.com/mathematica/ programming model consists of a kernel computation engine (or grid of such engines) and a front-end of notebook instances that communicate with the kernel throughout a session. The programming model of Mathematica is incredibly rich & powerful – besides numeric calculations, it supports symbols (eg Pi, I, E) and control flow logic.   obviously I could use this as a simple calculator: 5 * 10 --> 50 but this language is much more than that!   for example, I could use control flow logic & setup a simple infinite loop: x=1; While [x>0, x=x,x+1] Different brackets have different purposes: square brackets for function arguments:  Cos[x] round brackets for grouping: (1+2)*3 curly brackets for lists: {1,2,3,4} The power of Mathematica (as opposed to say Matlab) is that it gives exact symbolic answers instead of a rounded numeric approximation (unless you request it):   Mathematica lets you define scoped variables (symbols): a=1; b=2; c=a+b --> 5 these variables can contain symbolic values – you can think of these as partially computed functions:   use Clear[x] or Remove[x] to zero or dereference a variable.   To compute a numerical approximation to n significant digits (default n=6), use N[x,n] or the //N prefix: Pi //N -->3.14159 N[Pi,50] --> 3.1415926535897932384626433832795028841971693993751 The kernel uses % to reference the lastcalculation result, %% the 2nd last, %%% the 3rd last etc –> clearer statements: eg instead of: Sqrt[Pi+Sqrt[Sqrt[Pi+Sqrt[Pi]]] do: Sqrt[Pi]; Sqrt[Pi+%]; Sqrt[Pi+%] The help system supports wildcards, so I can search for functions like so: ?Inv* Mathematica supports some very powerful programming constructs and a rich function library that allow you to do things that you would have to write allot of code for in a language like C++.   the Factor function – factorization: Factor[x^3 – 6*x^2 +11x – 6] --> (-3+x) (-2+x) (-1+x)   the Solve function – find the roots of an equation: Solve[x^3 – 2x + 1 == 0] -->   the Expand function – express (1+x)^10 in polynomial form: Expand[(1+x)^10] --> 1+10x+45x^2+120x^3+210x^4+252x^5+210x^6+120x^7+45x^8+10x^9+x^10 the Prime function – what is the 1000th prime? Prime[1000] -->7919 Mathematica also has some powerful graphics capabilities:   the Plot function – plot the graph of y=Sin x in a single period: Plot[Sin[x], {x,0,2*Pi}] you can also plot 3D surfaces of functions using Plot3D function

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• Deploying Socket.IO App to Windows Azure Web Site with Azure CLI

  - by shiju

  In this blog post, I will demonstrate how to deploy Socket.IO app to Windows Azure Website using Windows Azure Cross-Platform Command-Line Interface, which leverages the Windows Azure Website’s new support for Web Sockets. Recently Windows Azure has announced lot of enhancements including the support for Web Sockets in Windows Azure Websites, which lets the Node.js developers deploy Socket.IO apps to Windows Azure Websites. In this blog post, I am using  Windows Azure CLI for create and deploy Windows Azure Website. Install  Windows Azure CLI The Windows Azure CLI available as a NPM module so that you can install Windows Azure CLI using  NPM as shown in the below command. After installing the azure-cli, just enter the command “azure” which will show the useful commands provided by Azure CLI. Import Windows Azure Subscription Account In order to import our Azure subscription account, we need to download the Windows Azure subscription profile. The Azure CLI command “account download” lets you download the  Windows Azure subscription profile as shown in the below command. The command redirect you login to Windows Azure portal and allow you to download the Windows Azure publish settings file. The account import command lets you import the downloaded publish settings file so that you can create and manage Websites, Cloud Services, Virtual Machines and Mobile Services in Windows Azure. Create Windows Azure Website and Enable Web Sockets In this post, we are going to deploy Socket.IO app to Windows Azure Website by using the Web Socket support provided by Windows Azure. Let’s create a Website named “socketiochatapp” using the Azure CLI. The above command will create a Windows Azure Website that will also initialize a Git repository with a remote named Azure. We can see the newly created Website from Azure portal. By default, the Web Sockets will be disabled. So let’s enable it by navigating to the Configure tab of the Website, and select “ON” in Web Sockets option and save the configuration changes. Deploy a Node.js Socket.IO App to Windows Azure Now, our Windows Azure Website supports Web Sockets so that we can easily deploy Socket.IO app to Windows Azure Website. Let’s add Node.js chat app which leverages Socket.IO module. Please note that you have to add npm module dependencies in the package.json file so that Windows Azure can install the dependencies when deploying the app. Let’s add the Node.js app and add the files to git repository. Let’s commit the changes to git repository. We have committed the changes to git local repository. Let’s push the changes to Windows Azure production environment. The successful deployment can see from the Windows Azure portal by navigating to the deployments tab of the selected Windows Azure Website. The screen shot below shows that our chat app is running successfully.   You can follow me on Twitter @shijucv

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• ASP.NET Localization: Enabling resource expressions with an external resource assembly

  - by Brian Schroer

  I have several related projects that need the same localized text, so my global resources files are in a shared assembly that’s referenced by each of those projects. It took an embarrassingly long time to figure out how to have my .resx files generate “public” properties instead of “internal” so I could have a shared resources assembly (apparently it was pretty tricky pre-VS2008, and my “googling” bogged me down some out-of-date instructions). It’s easy though – Just change the “Custom Tool” to “PublicResXFileCodeGenerator”:    …which can be done via the “Access Modifier” dropdown of the resource file designer window:   A reference to my shared resources DLL gives me the ability to use the resources in code, but by default, the ASP.NET resource expression syntax: <asp:Button ID="BeerButton" runat="server" Text="<%$ Resources:MyResources, Beer %>" />   …assumes that your resources are in your web site project.   To make resource expressions work with my shared resources assembly, I added two classes to the resources assembly: 1) a custom IResourceProvider implementation:   1: using System; 2: using System.Web.Compilation; 3: using System.Globalization; 4:   5: namespace DuffBeer 6: { 7: public class CustomResourceProvider : IResourceProvider 8: { 9: public object GetObject(string resourceKey, CultureInfo culture) 10: { 11: return MyResources.ResourceManager.GetObject(resourceKey, culture); 12: } 13:   14: public System.Resources.IResourceReader ResourceReader 15: { 16: get { throw new NotSupportedException(); } 17: } 18: } 19: }   2) and a custom factory class inheriting from the ResourceProviderFactory base class:   1: using System; 2: using System.Web.Compilation; 3:   4: namespace DuffBeer 5: { 6: public class CustomResourceProviderFactory : ResourceProviderFactory 7: { 8: public override IResourceProvider CreateGlobalResourceProvider(string classKey) 9: { 10: return new CustomResourceProvider(); 11: } 12:   13: public override IResourceProvider CreateLocalResourceProvider(string virtualPath) 14: { 15: throw new NotSupportedException(String.Format( 16: "{0} does not support local resources.", 17: this.GetType().Name)); 18: } 19: } 20: }   In the “system.web / globalization” section of my web.config file, I point the “resourceProviderFactoryType" property to my custom factory:   <system.web> <globalization culture="auto:en-US" uiCulture="auto:en-US" resourceProviderFactoryType="DuffBeer.CustomResourceProviderFactory, DuffBeer" />   This simple approach met my needs for these projects , but if you want to create reusable resource provider and factory classes that allow you to specify the assembly in the resource expression, the instructions are here.

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• Silverlight Cream for May 06, 2010 -- #857

  - by Dave Campbell

  In this Issue: Alan Beasley, Josh Twist, Mike Snow(-2-, -3-), John Papa(-2-), David Kelley, and David Anson(-2-). Shoutout: John Papa posted a question: Do You Want be on Silverlight TV? From SilverlightCream.com: ListBox Styling (Part 3 - Additional Templates) in Expression Blend & Silverlight Alan Beasley has part 3 of his ListBox styling tutorial in Expression Blend up... another great tutorial and all the code. Securing Your Silverlight Applications Josh Twist has a nice long post up on Securing your Silverlight apps... definitions, services, various forms of authentication. Silverlight Tip of the Day #13 – Silverlight Mobile Development Mike Snow has Tip of the Day #13 up and is discussing creating Silverlight apps for WP7. Silverlight Tip of the Day #14 – Dynamically Loading a Control from a DLL on a Server Mike Snow's Tip #14 is step-by-step instructions for loading a UserControl from a DLL. Silverlight Tip of the Day #15 – Setting Default Browse in Visual Studio Mike Snow's Tip #15 is actually a Visual Studio tip -- how to set what browser your Silverlight app will launch in. Silverlight TV 24: eBay’s Silverlight 4 Simple Lister Application Here we are with Silverlight TV Thursday again! ... John Papa is interviewing Dave Wolf talking about the eBay Simple Lister app. Digitally Signing a XAP Silverlight John Papa has a post up about Digitally signing a Silverlight XAP. He actually is posting an excerpt from the Silverlight 4 Whitepaper he posted... and he has a link to the Whitepaper so we can all read the whole thing too! Hacking Silverlight Code Browser David Kelley has a very cool code browser up to keep track of all the snippets he uses... and we can too... this is a tremendous resource... thanks David! Simple workarounds for a visual problem when toggling a ContextMenu MenuItem's IsEnabled property directly David Anson dug into a ContextMenu problem reported by a couple readers and found a way to duplicate the problem plus a workaround while you're waiting for the next Toolkit drop. Upgraded my Windows Phone 7 Charting example to go with the April Developer Tools Refresh David Anson also has a post up describing his path from the previous WP7 code to the current upgrading his charting code. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• The curious case of SOA Human tasks' automatic completion

  - by Kavitha Srinivasan

  A large south-Asian insurance industry customer using Oracle BPM and SOA ran into this. I have survived this ordeal previously myself but didnt think to blog it then. However, it seems like a good idea to share this knowledge with this reader community and so here goes.. Symptom: A human task (in a SOA/BPEL/BPM process) completes automatically while it should have been assigned to a proper user.There are no stack traces, no related exceptions in the logs. Why: The product is designed to treat human tasks that don't have assignees as one that is eligible for completion. And hence no warning/error messages are recorded in the logs. Usecase variant: A variant of this usecase, where an assignee doesnt exist in the repository is treated as a recoverable error. One can find this in the 'pending recovery' instances in EM and reactivate the task by changing the assignees in the bpm workspace as a process owner /administrator. But back to the usecase when tasks get completed automatically... When: This happens when the users/groups assigned to a task are 'empty' or null. This has been seen only on tasks whose assignees are derived from an assignment expression - ie at runtime an XPath is used to determine who to assign the task to. (This should not happen if task assignees are populated via swim-lane roles.) How to detect this in EM For instances that are auto-completed thus, one will notice in the Audit Trail of such instances, that the 'outcome' of the task is empty. The 'acquired by' element will also show as empty/null. Enabling the oracle.soa.services.workflow.* logger in em should print more verbose messages about this. How to fix this The application code needs two fixes: input to HT: The XSLT/XPath used  to set the task 'assignee' and the process itself should be enhanced to handle nulls better. For eg: if no-data-found, set assignees to alternate value, force default assignees etc. output from HT: Additionally, in the application code, check that the 'outcome' of the HT is not-null. If null, route the task to be performed again after setting the assignee correctly. Beginning PS4FP, one should be able to use 'grab' to route back to the task to fire again. Hope this helps. 

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