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• New MAF Episode on Listeners and Events.

  - by Grant Ronald

  We've sneaked in an extra episode into the UI Development playlist of the MAF online training.  You can access the new episode on Listeners and Events here. Note, that we've renumbered all of the subsequent episodes (just incase you were referring back to the episodes by number.  This is a new episode 16). If you have any other ideas for new episodes, please let me know via a comment.

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• New MAF Episode on Listeners and Events.

  - by Grant Ronald

  We've sneaked in an extra episode into the UI Development playlist of the MAF online training.  You can access the new episode on Listeners and Events here. Note, that we're renumbered all of the subsequent episodes (just incase you were referring back to the episodes by number.  This is a new episode 16). If you have any other ideas for new episodes, please let me know via a comment.

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• JDK 8u20 Documentation Updates

  - by joni g.

  JDK 8u20 has been released and is available from the Java Downloads page. See the JDK 8u20 Update Release Notes for details. Highlights for this release: The Medium security level has been removed. Now only High and Very High levels are available. Applets that do not conform with the latest security practices can still be authorized to run by adding the sites that host them to the Exception Site List. See Security for more information. The javafxpackager tool has been renamed to javapackager, and supports both Java and JavaFX applications. The -B option has been added to the javapackager deploy command to enable arguments to be passed to the bundlers that are used to create self-contained applications. See javapackager for Windows or Linux and OS X for information. The <fx:bundleArgument> helper parameter argument has been added to enable arguments to be passed to the bundlers when using ant tasks. See JavaFX Ant Task Reference for more information. A new attribute is available for JAR file manifests. The Entry-Point attribute is used to identify the classes that are allowed to be used as entry points to your application. See Entry-Point Attribute for more information. A new Microsoft Windows Installer (MSI) Enterprise JRE Installer, which enables users to install the JRE across the enterprise, is available for Java SE Advanced or Java SE Suite licensees. See Downloading the Installer in JRE Installation For Microsoft Windows for more information. The following new configuration parameters are added to the installation process to support commercial features, for use by Java SE Advanced or Java SE Suite licensees only: USAGETRACKERCFG= DEPLOYMENT_RULE_SET= See Installing With a Configuration File for more information about these and other installer parameters. Documentation highlights: New Troubleshooting Guide combines and replaces the Desktop Technologies Troubleshooting Guide and the HotSpot Virtual Machine Troubleshooting Guide to provide a single location for diagnosing and solving problems that might occur with Java Client applications. New Deployment Guide combines and replaces the JavaFX Deployment Guide and the Java Rich Internet Applications Guide to provide a single location for information about the Java packaging tools, creating self-contained applications, and deploying Java and JavaFX applications. New Garbage Collection Tuning Guide describes the garbage collectors included with the Java HotSpot VM and helps you choose which one to use. The Java Tutorials have a new look.

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• Mobile Broadband Connection terminating automatically after 2-3 minutes

  - by HussainNagri

  I am connecting my mobile device with Ubuntu to access INTERNET, It connects easily but after 2-3 minutes it automatically disconnect and then I have to disconnect my mobile device and then reconnect it again to establish a connection. Cant understand what is the problem. No problem with my device as it works flawless with windows. As asked here is more info: Device is Samsung wave 575 Network Provider is Vodafone and Ubuntu is 12.04

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• Partitioned Tables, Indexes and Execution Plans: a Cautionary Tale

  Table partitioning is a blessing in that it makes large tables that have varying access patterns more scalable and manageable, but it is a mixed blessing. It is important to understand the down-side before using table partitioning. "SQL Backup Pro 7 improves on an already wonderful product" - Don KolendaHave you tried version 7 yet? Get faster, smaller, fully verified backups. Download a free trial of SQL Backup Pro 7.

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• Is there a secure web-shell for my server?

  - by Stefano Palazzo

  Following the security principle of trust no one, I can't use a service like http://www.serfish.com/. Is there a free software program that I can install on my Ubuntu server to give me secure shell access via a web-interface? I would prefer a small and light-weight solution, so that I can do at least a rudimentary audit of the source code. I would also prefer something that is in the 'main' repository, so that I get the benefit of stable release upgrades.

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• Are there new flexible texteditors? [closed]

  - by RParadox

  Vi(m) and Emacs are almost 40 years old. Why are they still the standard, and what attempts have been made at coming up with a new flexible editor? Are there any features which can not be built into vim/emacs? My question is similar to this one: Time to drop Emacs and vi? No one had a suggestion, which surprises me. I would have thought that the core of a texteditor is very small and that people brew their own. Perhaps nobody wants to deal with supporting all the modes? Edit to clarify my question: Instead of writing modes and scripts I ask myself, why there is not a much lightweight project, which lets people custom the editor more directly? Vim has 365395 LOC (C lines all included), Emacs 1.5 million LOC. Why is there a project with say 50k LOC, which is the core, why people can use more freely? Perhaps there is such project, I haven't looked very far. I thought about putting together modules from Vim myself and experimenting with some ideas. The core of editing shouldn't be more than 10k? Vim has a lot optimizations which is really an overkill nowadays. Basically I'm looking for a code base for my own editor and Vi/Emacs are I believe not intended to be used in this way. Bill Joy said the following about vi. http://web.cecs.pdx.edu/~kirkenda/joy84.html The fundamental problem with vi is that it doesn't have a mouse and therefore you've got all these commands. In some sense, its backwards from the kind of thing you'd get from a mouse-oriented thing. I think multiple levels of undo would be wonderful, too. But fundamentally, vi is still ed inside. You can't really fool it. Its like one of those pinatas - things that have candy inside but has layer after layer of paper mache on top. It doesn't really have a unified concept. I think if I were going to go back - I wouldn't go back, but start over again.

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• New SQL Server AlwaysOn Feature - Part 1 configuration

  SQL Server has produced some excellent High Availability options, but I was looking for an option that would allow me to access my secondary database without it being read-only or in restoring mode. I need the ability to see transactions occur and query the secondary database. The Future of SQL Server MonitoringMonitor wherever, whenever with Red Gate's SQL Monitor. See it live in action now.

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• Encapsulating code in F# (Part 1)

  - by MarkPearl

  I have been looking at F# for a while now and seem a few really interesting samples and snippets on howto’s. This has been great to see the basic outline of the language and the possibilities, however a nagging question in the back of my mind has been what does an F# project look like? How do I code group code in F# so that it can be modularized and brought in and out of a project easily? My Expert F# book has an entire chapter (7) dedicated to this and after browsing the other chapters of the book I decided that this topic was something I really wanted to know more about now! Because of my C# background I keep trying to think in F# of objects. So to try and get a clearer idea of how to do things the F# way I am first going to take a very simplified C# example and try to “translate” it. using System; namespace ConsoleApplication1 { namespace ExampleOfEncapsulationInCSharp { class Program { static void EncapsulatedVariableInAMethod() { int count = 10; Console.WriteLine(count); } static void Main(string[] args) { EncapsulatedVariableInAMethod(); Console.ReadLine(); } } } } From the above example the count integer is encapsulated within EncapsulatedVariableInAMethod method. You couldn’t access the count variable from outside the scope of its parent method but have full access to it within the method. Lets look at my F# equivalent… open System let EncapsulatedVariableInAMethod = let count = 10 Console.WriteLine(count) () EncapsulatedVariableInAMethod Console.ReadLine()   Now, when I first attempted to write the F# code I got stuck… I didn’t have the Console.WriteLine calls but had the following… open System let EncapsulatedVariableInAMethod = let count = 10 EncapsulatedVariableInAMethod Console.ReadLine()   The compiler didn’t like the let before the count = 10. This is because every F# expression must evaluate to a value. If I did not want to make the Console call, I would still need to evaluate the expression to something – and for this reason the Unit Type is provided. I could have done something like…. open System let EncapsulatedVariableInAMethod = let count = 10 () EncapsulatedVariableInAMethod Console.ReadLine()   Which the compiler would be happy with…

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• /etc/hosts modification does not properly working. What to do?

  - by Curious Apprentice

  I have added these lines to the hosts file: 127.0.0.1 localhost adobe.com 127.0.0.1 adobe.com It works perfectly on windows. But in Ubuntu 11.10 when I try to access it using Firefox the website is opening. Google chrome though supporting /etc/hosts configuration. Google chrome is displaying : "It works! This is the default web page for this server. The web server software is running but no content has been added, yet."

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• Is a startup revolving around a web app still viable?

  - by NRUTA

  I have an idea for a startup that revolves around a web app. I plan to incorporate a mobile app in the future but, unlike something like instagram, users will be more likely to access with a desktop computer. I am learning Ruby On Rails currently but wonder if, starting in the 4th quarter of 2012, I am focusing on a technology (web development) that is becoming obsolete. Should I dump the idea for something that revolves around mobile technologies and spend my time learning something like iOS development instead?

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• Learn How to Create Web Pages Using HTML Codes

  Once you understand the basic HTML codes you will have access to a wide range of opportunities. This will enable you to publish content online and link with text and other sites. This article discusses basic HTML codes. HTML codes are very easy to understand because they are very logical.

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• how did Google Analytics kill my site?

  - by user1813359

  Yesterday I created a google analytics profile for one of my sites and included the JS block in the layout template. What happened next was very strange. Within about 2 minutes, the site had become unreachable. I had been checking the AWStats page for the site when I thought to set up GA. After that had been done, I clicked on the link for 404 stats, which opens in a new tab. It churned for a long while and then showed a nearly blank page, similar to that when Firefox chokes on a badly-formatted XML page, except there was no error msg. But i was logged into the server and could see that that page has a 401 Transitional DTD. Strange! I tried viewing source but it just churned endlessly. I then tried "inspect element" and was able to see an error msg having to do with some internal Firefox lib. Unfortunately, i neglected to copy that. :-( All further attempts to load anything on the site would time out. Firebug's Net panel showed no request being made. Chrome would time out. So, I deleted the GA profile, removed the JS block, and cleared the server cache. No joy. I then removed all google cookies and disabled JS. Still nothing. No luck in any other browser. And now my client couldn't access the site. Terrific. I was able use wget while logged into another server. The retrieved page was fine, and did not contain the GA JS block. However, the two servers are on the same network. (Perhaps a clue.) The server itself was fine. Ping, traceroute looked great. I could SSH in. I tailed the access log and tried a browser request. Nothing. But i forgot to quit and a minute or so later I saw a request from someone else being logged. Later, I could see that requests had been served all day to some people. Now, 24 hours later, the site works once again, but is still unreachable by the client (who is in another city). So, does anyone have some insight into what's going on? Does this have something to do with google's CDN? I don't know very much about how GA works but what I'm seeing reminds me of DNS propagation issues. And why the initial XML error? And why the heck was the site just plain unreachable? What did google do to my site?! Sorry for the length but I wanted to cover everything.

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• Introducing weblog OIM11gR2

  - by Shashidhar Malyala

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Having a centralized Identity & Access Management Solutions in any environment can reduce costs, time and errors drastically. For many Organizations today implementing a robust and reliable I&AM solution is a challenge. As more and more an organization grows, new IT applications are used. This in turn leads to complex identity and access management process which is time consuming and subject to errors. Most of these challenges can be addressed by leveraging Oracle OIM11gR2.     Contributions to this blog are made by ATS GSD-Security team. This weblog brings to you various articles on Oracle I&AM 11g R2. The articles include OIM11gR2 new features, Various ‘How To’ with examples, Solutions/ workarounds for frequently occurring issues, APIs, code samples, Installations, patches etc…

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• Xsigo Sales Kit Now Available on OPN

  - by Cinzia Mascanzoni

  Oracle Networking Technologies Sales Kit contains a series of presentations, datasheets, white papers and other resources to equip partners to sell. Members of any Server and Storage Knowledge Zones, access the Sales Kit here

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• Partner Webcast – Oracle WebCenter: Digital Transformation with Sites - 14 Nov 2013

  - by Roxana Babiciu

  In order to succeed in today's economy, organizations need to engage with information across all channels to ensure customers, partners and employees have access to the right information in the context of the business process in which they are engaged. The latest release of Oracle WebCenter addresses this challenge with updates across its complete portfolio. Oracle WebCenter Sites enables marketers and business users to easily create and manage contextually relevant social and interactive online experiences across multiple channels on a global scale to drive sales and loyalty. Read more

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• Calais.NET for Calais Web Service

  - by Editor

  Calais.NET The Calais.NET API wrapper lets you access the Calais Web Service simply from .NET. By processing the data with LINQ to XML, the wrapper exposes a .NET interface which abstracts complicated Web service details such as XML input parameters and RDF output data. Download Calais.NET. What is Calais? Calais is an attempt to make the world’s content more [...]

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• Should we persist with an employee still writing bad code after many years?

  - by user94986

  I've been assigned the task of managing developers for a well-established company. They have a single developer who specialises in all their C++ coding (since forever), but the quality of the work is abysmal. Code reviews and testing have revealed many problems, one of the worst being memory leaks. The developer has never tested his code for leaks, and I discovered that the applications could leak many MBs with only a minute of use. User's were reporting huge slowdowns, and his take was, "it's nothing to do with me - if they quit and restart, it's all good again." I've given him tools to detect and trace the leaks, and sat down with him for many hours to demonstrate how the tools are used, where the problems occur, and what to do to fix them. We're 6 months down the track, and I assigned him to write a new module. I reviewed it before it was integrated into our larger code base, and was dismayed to discover the same bad coding as before. The part that I find incomprehensible is that some of the coding is worse than amateurish. For example, he wanted a class (Foo) that could populate an object of another class (Bar). He decided that Foo would hold a reference to Bar, e.g.: class Foo { public: Foo(Bar& bar) : m_bar(bar) {} private: Bar& m_bar; }; But (for other reasons) he also needed a default constructor for Foo and, rather than question his initial design, he wrote this gem: Foo::Foo() : m_bar(*(new Bar)) {} So every time the default constructor is called, a Bar is leaked. To make matters worse, Foo allocates memory from the heap for 2 other objects, but he didn't write a destructor or copy constructor. So every allocation of Foo actually leaks 3 different objects, and you can imagine what happened when a Foo was copied. And - it only gets better - he repeated the same pattern on three other classes, so it isn't a one-off slip. The whole concept is wrong on so many levels. I would feel more understanding if this came from a total novice. But this guy has been doing this for many years and has had very focussed training and advice over the past few months. I realise he has been working without mentoring or peer reviews most of that time, but I'm beginning to feel he can't change. So my question is, would you persist with someone who is writing such obviously bad code?

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• Dual-boot: Can't select Windows at boot

  - by user88561

  I have a computer with 2 operating systems dual booted: One is Windows 7 and the other is Ubuntu. In the bootloader configuration, I removed an option stating time to select OS and I also set the default Operating System to Ubuntu. Now the bootloader is effectively proceeding into auto loading Ubuntu, while skipping itself. My problem is that I can not access my Windows 7 Operating System. Could someone give me a clue as to what to do?

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• Transform Your Desktop with the Transformers 3 Theme for Windows 7

  - by Asian Angel

  The Transformers are back once again and this time they have to deal with the effects of a mysterious event from the past. Bring the excitement of their latest adventure to your desktop with the Transformers Theme for Windows 7. Download the Transformers 3 Theme [via Softpedia] What is a Histogram, and How Can I Use it to Improve My Photos?How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is Compromised

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• How to Install Moodle to subdomain with softaculous via cpanel [closed]

  - by Sean

  Hi there i installed moodle to a directory with softaculous as it doesn't allow installing to subdomain, after install I created a subdomain and pointed the destination (of subdomain) to previously created moodle directory, now when I go to the subdomain.example.com it says Incorrect access detected, this server may be accessed only through "http://example.com/moodle" address, sorry. Please notify server administrator. Any suggestions much appreciated! I must be doing something wrong, when installing it was very similar to these instructions

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• 12.04 Booting into Terminal

  - by user170796

  To preface this, I would like to say that I am completely new to Ubuntu and have essentially zero programming experience/experience working with command line and terminal. I installed Ubuntu because I would like to get into programming. If you could provide me with the simplest instructions possible, I would be grateful. I have a Lenovo Ideapad Y500 (Intel i7, NVidia GT 750m, 1TB HDD, 16GB SSD cache, 8GB RAM) with Windows 8 on it. Using a Live CD, I installed Ubuntu 12.04 onto a 75 GB partition. During the installation, I kept all default settings except for one thing; I decided to encrypt my home folder, and so checked the corresponding box. The installation completed, and I restarted. Once I restarted, I saw the options "Ubuntu, with Linux 3.2.0-23-generic" "Ubuntu, with Linux 3.2.0-23-generic (recovery mode)" "Memory test (memtest86+)" "Memory test (memtest86+, serial console 115200)" "Windows Recovery Environment (loader) (on /dev/sdb3)" "Windows 8 (loader) (on /dev/sdb5)" "System Setup" I chose the first option, and was directed to a screen with the Ubuntu logo and the row of five dots below that change from orange to white. Then, I was brought to a full screen terminal that prompted me to login, which I did. I saw no option to boot into GUI at all, and am lost. I've been searching around and have tried the "startx" command to no avail. Should the command have some sort of context or something? I've also tried selecting the recovery mode option from the boot manager. I've tried the resume option from the following menu, which eventually just shuts down the computer after displaying a lot of scrolling text that's too fast for me to read. I've also tried the failsafex mode from the recovery mode menu, which only brings up a terminal box at the bottom of the window that covers the entire bottom part of the screen. Commands won't work in this window. When I try to access Windows 8, I get a message saying that the EFI file path was not specified or something along those lines. I had to enable Secure Boot in order to access Windows 8 (I had disabled it to be able to boot from the Live CD), which is functioning normally. I am at a complete loss for what to do. Any help will be extremely appreciated. EDIT: Bonus question! If you could figure out a way for me to boot to Windows 8 without having to enable Secure Boot, it would save me a lot of trouble. I can deal with switching every time, but I'd rather not have to.

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• host key verification failed from "connect to server" utility

  - by rambo

  I am able to use SSH from terminal but I am not able to use it from "connect to Server.." utility. it is showing the error in the dialog box as below: Cannot display location "sftp://[email protected]:PORT/ "Host key verification failed" why so? from terminal using below command I am able to access the server: ubuntu# ssh -p 2222 [email protected] Description: Ubuntu 10.04.4 LTS Release: 10.04 Codename: lucid any help please. thank you in advance.

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• How does Google App Engine remote_api work

  - by EasilyBaffled

  As I understand it, and I may be wrong, but GAE's remote_api allows one application to access another application's datastore. I'll be blunt I don't understand how this works. I have read the article that everyone likes to point to, but I still don't understand how you can link two applications. Can someone explain it to me, perhaps with a small example or just point me to a tutorial that does this?

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• Serving WordPress menu links in only HTTPS or HTTP depending on how it's accessed

  - by Gelatin

  I have a WordPress site which uses WordPress HTTPS to enable SSL when users access it via that protocol. However, currently the menu links point back to the HTTP version. I want users to be linked to HTTPS pages while accessing the site over HTTPS, but not when accessing it over HTTP. Is this possible? Note: I have tried changing the menu options to use // and / for the links, but in both cases they are just rendered as HTTP links.

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