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  • How to fix poor rendering in Windows Movie Maker?

    - by Cyberherbalist
    I am using CamStudio to make some instructional videos about Visual Studio for our development team, and one of the videos needed some editing to remove audio and video mistakes and to add in a better ending. CamStudio outputs to .avi files, and they look pretty good, with the program source code being quite readable. However, after making the edits using WMM, it has rendered the results to a noticeable loss in quality. It has gone from from fairly sharp in focus and adequately readable to recognizable but somewhat blurred. It has also inflated the size of the new .avi file to three times its original size (before cropping half of the vido out!). And the .wmv I attempted to render was was certainly smaller but simply horrible-looking. The left image here is the original video, and the right image is WMM's rendering in .avi format: I have to be doing something wrong, but I know nothing about how to use WMM (my first use of it). I am using default settings to the best of my knowledge. Any suggestions welcomed!

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  • How to manage preventive maintenance planning for external IT support?

    - by code-gijoe
    I am a bit puzzled by the way to handle server upgrade planning for software we maintain on remote sites. This is my case: I work for a software company that has many external clients. We are trying to be more Agile in our development so we plan to release small improvements every quarter and we wish to keep our clients informed of maintenance schedules. Instead of having angry clients that believe there ROI of our support plan is low, we want to be more proactive. Lets say we have 100 machines to take care of, is there some tool to assist me in planing the maintenance with clients? Right now I get a call from a client that is unhappy requesting we upgrade them, that is when we go into panic mode and start making calls. That is when I need to check my calendar, coordinate with the other guys, call a few times, change the date again and again until everyone is happy. Can this be done better?

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  • *nix OS that is easy to update to latest software

    - by rjstelling
    I need to configure a server (*nix) that runs our (bespoke) CMS and Applications. In the past I have defaulted to using Cent OS 5, but I find this outdated difficult to upgrade the software to the versions we require. For example, we need PHP 5.3, but CentOS 5 has 5.2. Updating is fine but breaks something else (normally MySQL support in PHP). Eventually it will get to a situation where I can't upgrade because of missing dependancies and incompatible versions. Error: Missing Dependency: httpd = 2.2.3-43.el5.centos.3 is needed by package httpd-devel-2.2.3-43.el5.centos.3.i386 (updates) Is there a better alternative OS for hassle free updates, I need: Apache 2.2.17 (the development version for apxs) MySQL 5.5.8 PHP 5.3.5

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  • Web and email host migration - Limitations and suggestions to make the process as easy as possible.

    - by Jack Hickerson
    I developed a website for a friend of mine to replace his current 'all inclusive' provider (website creation, updating, web hosting, email hosting). I've already paid for a hosting service which currently houses the website which I have created. I need to cancel the previous service provider to get the domain migrated to the new host, however I will still need to transfer or recreate all of the email addresses that everyone in his company had previously. Is there an easy way migrate email accounts (still linked to the same domain) while migrating to a different host? Will any methods allow all users to retain their archived emails and folder structures? What is the process to do so. Because the current provider is a rather large website development and hosting company, I will have limited access to the data they have stored. As you can probably tell, my knowledge in this area is very limited - any/all suggestions you may have would be greatly appreciated. Thanks in advance. -Jack

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  • Go/Obj-C style interfaces with ability to extend compiled objects after initial release

    - by Skrylar
    I have a conceptual model for an object system which involves combining Go/Obj-C interfaces/protocols with being able to add virtual methods from any unit, not just the one which defines a class. The idea of this is to allow Ruby-ish open classes so you can take a minimalist approach to library development, and attach on small pieces of functionality as is actually needed by the whole program. Implementation of this involves a table of methods marked virtual in an RTTI table, which system functions are allowed to add to during module initialization. Upon typecasting an object to an interface, a Go-style lookup is done to create a vtable for that particular mapping and pass it off so you can have comparable performance to C/C++. In this case, methods may be added /afterwards/ which were not previously known and these new methods allow newer interfaces to be satisfied; while I like this idea because it seems like it would be very flexible (disregarding the potential for spaghetti code, which can happen with just about any model you use regardless). By wrapping the system calls for binding methods up in a set of clean C-compatible calls, one would also be able to integrate code with shared libraries and retain a decent amount of performance (Go does not do shared linking, and Objective-C does a dynamic lookup on each call.) Is there a valid use-case for this model that would make it worth the extra background plumbing? As much as this Dylan-style extensibility would be nice to have access to, I can't quite bring myself to a use case that would justify the overhead other than "it could make some kinds of code more extensible in future scenarios."

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  • Tune SQL Server Express using Profiler?

    - by Glen Little
    I have a SQL Server 2005 database... a copy of it is running in development on a full version of SQL server. Another copy is running in SQL Server 2005 Express on a web server. I've used SQL Profiler and saved a Tuning trace log from activity on the SQL Express copy of the database. I want to use the saved trace log in the Database Engine Tuning Advisor... If I try when connecting the Advisor to the Express database, I am told that Express is not supported. If I try when connecting the Advisor to the SQL Server database, I get empty results. Is there any way to do this?

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  • Declaring multiple ports for the same VirtualHosts

    - by user65567
    Declare multiple ports for the same VirtualHosts: SSLStrictSNIVHostCheck off # Apache setup which will listen for and accept SSL connections on port 443. Listen 443 # Listen for virtual host requests on all IP addresses NameVirtualHost *:443 <VirtualHost *:443> ServerName domain.localhost DocumentRoot "/Users/<my_user_name>/Sites/domain/public" <Directory "/Users/<my_user_name>/Sites/domain/public"> Order allow,deny Allow from all </Directory> # SSL Configuration SSLEngine on ... </VirtualHost> How can I declare a new port ('listen', ServerName, ...) for 'domain.localhost'? If I add the following code, apache works (too much) also for all other subdomain of 'domain.localhost' (subdomain1.domain.localhost, subdomain2.domain.localhost, ...): <VirtualHost *:80> ServerName pjtmain.localhost:80 DocumentRoot "/Users/Toto85/Sites/pjtmain/public" RackEnv development <Directory "/Users/Toto85/Sites/pjtmain/public"> Order allow,deny Allow from all </Directory> </VirtualHost>

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  • Apache 2.4.2 with PHP 5.4.4 crashes as soon as phpinfo() script is opened

    - by Gremo
    As soon as i open a phpinfo() script called version.php apache stops working. Here is the error.log file. My configuration (my local development machine): Windows 7 Home Premium x64 SP1 with latest updates Apache 2.4.2 win32 from Apache Lounge PHP 5.4.4 VC9 x86 TS from PHP For Windows php5apache2_4.dll (PHP 5.4.4) taken from Apache Lounge php5apache2_4.dll-php-5.4-win32.zip PATH environment variable is PATH=C:\WAMP\Apache\bin;C:\WAMP\PHP and installation folders (unzipping) are: C:/WAMP/Apache C:/WAMP/PHP Microsoft Visual C++ 2010 SP1 x86/x64 installed and updated. So everything looks fine to me. PHP integration in httpd.conf is: # Integrazione PHP LoadModule php5_module "C:/WAMP/PHP/php5apache2_4.dll" PhpIniDir "C:/WAMP/PHP" AddType application/x-httpd-php .php <IfModule dir_module> DirectoryIndex index.html index.php </IfModule>

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  • Get Started with JavaFX 2 and Scene Builder

    - by Janice J. Heiss
    Up on otn/java is a very useful article by Oracle Java/Middleware/Core Tech Engineer Mark Heckler, titled, “How to Get Started (FAST!) with JavaFX 2 and Scene Builder.”  Heckler, who has development experience in numerous environments, shows developers how to develop a JavaFX application using Scene Builder “in less time than it takes to drink a cup of coffee, while learning your way around in the process”. He begins with a warning and a reassurance: “JavaFX is a new paradigm and can seem a bit imposing when you first take a look at it. But remember, JavaFX is easy and fun. Let's give it a try.” Next, after showing readers how to download and install JDK/JavaFX and Scene Builder, he informs the reader that they will “create a simple JavaFX application, create and modify a window using Scene Builder, and successfully test it in under 15 minutes.” Then readers download some NetBeans files:“EasyJavaFX.java contains the main application class. We won't do anything with this class for our example, as its primary purpose in life is to load the window definition code contained in the FXML file and then show the main stage/scene. You'll keep the JavaFX terms straight with ease if you relate them to the theater: a platform holds a stage, which contains scenes. SampleController.java is our controller class that provides the ‘brains’ behind the graphical interface. If you open the SampleController, you'll see that it includes a property and a method tagged with @FXML. This tag enables the integration of the visual controls and elements you define using Scene Builder, which are stored in an FXML (FX Markup Language) file. Sample.fxml is the definition file for our sample window. You can right-click and Edit the filename in the tree to view the underlying FXML -- and you may need to do that if you change filenames or properties by hand - or you can double-click on it to open it (visually) in Scene Builder.” Then Scene Builder enters the picture and the task is soon done. Check out the article here.

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  • Create Virtual Image of Laptop before Formatting

    - by Simon Mark Smith
    I have a 3 year old laptop running Windows XP that I used for business. Although I have not used the laptop in over a year, I now want to re-commission it with Windows 7 and a fresh install. Before I do the fresh install I want to create a Virtual Image of the laptop that I can keep and potentially run on my desktop machine should I ever need to access any of the old files/projects that it contains currently. I know that most people will say just copy the files over to your desktop, but my concern is the configuration of the laptop. I used to use it for development and it has older versions of Visual Studio, SQL Server, Active X controls etc, etc than I currently use so I really want to preserve the environment not just the files. So really I am asking what is the best tool-set/method to achieve this? I understand there are free VM tools available but I have never done this before and would appreciate any help.

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  • Working with QuickBooks using LINQPad

    - by dataintegration
    The RSSBus ADO.NET Providers can be used from many applications and development environments. In this article, we show how to use LINQPad to connect to QuickBooks using the RSSBus ADO.NET Provider for QuickBooks. Although this example uses the QuickBooks Data Provider, the same process applies to any of our ADO.NET Providers. Create the Data Model Step 1: Download and install both the Data Provider from RSSBus and LINQPad (available at www.linqpad.net Step 2: Create a new project in Visual Studio and create a data model for it using the ADO.NET Entity Data Model wizard. Step 3: Create a new connection by clicking "New Connection", specify the connection string options, and click Next. Step 4: Select the desired tables and views and click Finish to create the data model. Step 5: Right click on the entity diagram and select 'Add Code Generation Item'. Choose the 'ADO.NET DbContext Generator'. Step 6: Now build the project. The generated files can be used to create a QuickBooks connection in LINQPad. Create the connection to QuickBooks in LINQPad Step 7:Open LINQPad and click 'Add New Connection'. Step 8: Choose 'Entity Framework DbContext POCO'. Step 9: Choose the data model assembly ('.dll') created by Visual Studio as the 'Path to Custom Assembly'. Choose the name of the custom DbContext, the path to the config file, and assign a name to the connection that will allow you to recognize its purpose. Step 10: Congratulations! Now you have a connection to QuickBooks, and you can query data through LINQPad.

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  • Release/Change management - best aproach

    - by Bob Rivers
    I asked this question an year ago in StackOverflow and never got a good answer. Since Programmers seems to be a better place to ask it, I'll give it a try... What is the better way to work with release management? More specifically what would be the best way to release packages? For example, assuming that you have a relatively stable system, a good quality assurance process (QA), etc. How do you prefer to release new versions? Let's assume that we are talking about a mid to large "centralized" web system (no clients), in-house development. This system can be considered "vital" for a corporate operations. I have a tendency to prefer to do this by releasing packets at regular intervals, not greater than 1 to 3 months. During this period, I will include into the package,fixes and improvements and make the implementation in production environment only once. But I've seen some people who prefer to place small changes in production, but with a greater frequency. The claim of these people is that by doing so, it is easier to identify bugs that have gone through the process of QA: in a package with 10 changes and another with only 1, it is much easier to know what caused the problem in the package with just one change... What is the opinion came from you?

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  • Dependency Analyser

    - by tsutha
    I have been watching 3 videos put together by SSIS team on Dependency Analyser. I am happy Microsoft have made an effort to do something about it. I have been asking for this feature since SQL 2005 TAP. Still a long way to go before they catch up with competetion. It looks like it currently supports SSIS and SQL dependencies. Release note states its still in development and support only limited sets of tasks. You still would not know the impact of dropping a column on cubes, reports etc. I hope that changes by the time RTM comes out. I am struggling to understand why it is impossible to do it across the solution. Ideally if you have a BI solution which holds DB, SSIS, SSAS, SSRS & PPS projects I would like to right click and execute a dependency analyser, stating what impact would have if I drop / rename a specific column. Has anyone else looked at it and what are your thoughts? ThanksSutha  

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  • Wessty: Live with HTML 5 (2011 Speaker Tour)

    - by David Wesst
    That’s right: Wessty is on tour. Okay, the banner and the tour is a little over the top, but I am really excited about my upcoming speaking engagements to spread the word about HTML 5! I have already kicked off the tour with the Winnipeg Code Camp last weekend with the world premiere of HTML 5 for .NET Pro presentation, and the turn out fantastic. It was the last presentation of the day, but we still had some great questions about the new standard and got to see how HTML 5 can fit into .NET web applications today. In any case, above you can see the confirmed presentations that I will be doing so far in 2011, but there are a few more events that I have heard about that I hope to add to that list. Ultimately, expect that list to be updated over the course of the year as the year is young and there are plenty of conferences coming up! Presentation Resources As the tour continues, I will be posting the slides and the source code for the demonstrations up here on my site. They will be free of charge and give you the chance to review the demos and hopefully take advantage of some of the cool things you see in the presentations. Become part of the Tour If you are considering hosting an event where you think that HTML 5 could use a voice, drop me a line and let me know. I am always looking for opportunities to grow the tour to talk not just about HTML 5, but a variety of topics that relate to user interface and user experience development. This post also appears at http://david.wes.st

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  • ArchBeat Link-o-Rama for 10-18-2012

    - by Bob Rhubart
    WebLogic Server 11gR1 Interactive Quick Reference | WebLogic Partner Community EMEA "The WebLogic Server 11gR1 Administration interactive quick reference," explains Juergen Kress, "is a multimedia tool for various terms and concepts used in WebLogic Server architecture. This tool is available for administrators for online or offline use. This is built as a multimedia web page which provides descriptions of WebLogic Server Architectural components, and references to relevant documentation. This tool offers valuable reference information for any complex concept or product in an intuitive and useful manner." Oracle ACE Directors Nordic Tour 2012 : Venues and BI Presentations | Mark Rittman Oracle ACE Director Mark Rittman shares information on the Oracle ACE Director Tour, as the community leaders make their way through the land of the midnight sun, with events in Copenhagen, Stockholm, Oslo and Helsinki. The yearly AMIS Review from Oracle Open World and JavaOne – slides available | Lucas Jellema Oracle ACE Director Lucas Jellema presents the complete collection of presentations from the latest edition of AMIS Technology's annual review of "news, trends, announcements, special finds and interesting rumors" from Oracle OpenWorld and JavaOne. Fujitsu: Cloud Building with Oracle VM and Oracle Enterprise Manager 12c In this video, Oracle ACE Director Debra Lilley from Fujitsu discusses Cloud Services delivery using Oracle VM 3 and Oracle Enterprise Manager 12c. Webcast: ResCare Solves Content Lifecycle Challenges with Oracle WebCenter – October 30 Learn how ResCare solves content lifecycle challenges with Oracle WebCenter. Speakers: Joe Lichtefeld, VP of Application Services & PMO, ResCare Wayne Boerger, Product Manager, TEAM Informatics Doug Thompson, EVP Global Development, TEAM Informatics Date: Tuesday, October 30, 2012 Time: 10:00 a.m. PT / 1:00 p.m. ET Thought for the Day "There is only one thing more painful than learning from experience and that is not learning from experience." — Archibald McLeish (May 7, 1892 – April 20, 1982) Source: softwarequotes.com

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  • Loading XML file containing leading zeros with SSIS preserving the zeros

    - by Compudicted
    Visiting the MSDN SQL Server Integration Services Forum oftentimes I could see that people would pop up asking this question: “why I am not able to load an element from an XML file that contains zeros so the leading/trailing zeros would remain intact?”. I started to suspect that such a trivial and often-required operation perhaps is being misunderstood by the developer community. I would also like to add that the whole state of affairs surrounding the XML today is probably also going to be increasingly affected by a motion of people who dislike XML in general and many aspects of it as XSD and XSLT invoke a negative reaction at best. Nevertheless, XML is in wide use today and its importance as a bridge between diverse systems is ever increasing. Therefore, I deiced to write up an example of loading an arbitrary XML file that contains leading zeros in one of its elements using SSIS so the leading zeros would be preserved keeping in mind the goal on simplicity into a table in SQL Server database. To start off bring up your BIDS (running as admin) and add a new Data Flow Task (DFT). This DFT will serve as container to adding our XML processing elements (besides, the XML Source is not available anywhere else other than from within the DFT). Double-click your DFT and drag and drop the XMS Source component from the Tool Box’s Data Flow Sources. Now, let the fun begin! Being inspired by the upcoming Christmas I created a simple XML file with one set of data that contains an imaginary SSN number of Rudolph containing several leading zeros like 0000003. This file can be viewed here. To configure the XML Source of course it is quite intuitive to point it to our XML file, next what the XML source needs is either an embedded schema (XSD) or it can generate one for us. In lack of the one I opted to auto-generate it for me and I ended up with an XSD that looked like: <?xml version="1.0"?> <xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:element name="XMasEvent"> <xs:complexType> <xs:sequence> <xs:element minOccurs="0" name="CaseInfo"> <xs:complexType> <xs:sequence> <xs:element minOccurs="0" name="ID" type="xs:unsignedByte" /> <xs:element minOccurs="0" name="CreatedDate" type="xs:unsignedInt" /> <xs:element minOccurs="0" name="LastName" type="xs:string" /> <xs:element minOccurs="0" name="FirstName" type="xs:string" /> <xs:element minOccurs="0" name="SSN" type="xs:unsignedByte" /> <!-- Becomes string -- > <xs:element minOccurs="0" name="DOB" type="xs:unsignedInt" /> <xs:element minOccurs="0" name="Event" type="xs:string" /> <xs:element minOccurs="0" name="ClosedDate" /> </xs:sequence> </xs:complexType> </xs:element> </xs:sequence> </xs:complexType> </xs:element> </xs:schema> As an aside on the XML file: if your XML file does not contain the outer node (<XMasEvent>) then you may end up in a situation where you see just one field in the output. Now please note that the SSN element’s data type was chosen to be of unsignedByte (and this is for a reason). The reason is stemming from the fact all our figures in the element are digits, this is good, but this is not exactly what we need, because if we will attempt to load the data with this XSD then we are going to either get errors on the destination or most typically lose the leading zeros. So the next intuitive choice is to change the data type to string. Besides, if a SSIS package was already created based on this XSD and the data type change was done thereafter, one should re-set the metadata by right-clicking the XML Source and choosing “Advanced Editor” in which there is a refresh button at the bottom left which will do the trick. So far so good, we are ready to load our XML file, well actually yes, and no, in my experience typically some data conversion may be required. So depending on your data destination you may need to tweak the data types targeted. Let’s add a Data Conversion Task to our DFT. Your package should look like: To make the story short I only will cover the SSN field, so in my data source the target SQL Table has it as nchar(10) and we chose string in our XSD (yes, this is a big difference), under such circumstances the SSIS will complain. So will go and manipulate on the data type of SSN by making it Unicode String (DT_WSTR), World String per se. The conversion should look like: The peek at the Metadata: We are almost there, now all we need is to configure the destination. For simplicity I chose SQL Server Destination. The mapping is a breeze, F5 and I am able to insert my data into SQL Server now! Checking the zeros – they are all intact!

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  • Can VMWare Workstation 7.x and Sun VirtualBox 3.1.x co-exist on the same Windows 7 64bit Host togeth

    - by Heston T. Holtmann
    Will installing Sun Virtual Box bash or interfere with my VMWare installtion? I don't need to run VMs from both Virtual-Machine software packages at the same time but I do need to run some older Virtual-Machines from Sun-Virtualbox on the same 64-bit Windows 7 host until I can migrate those VMs to VMWare. Before switching from Linux host to Windows host, I ensured to export the VirtualBox VM to an OVF "appliance" with intentions of importing into VMWare Workstation 7. But VMWare gives me an error stating it can't import it. Background info My old workstation host: 32-bit Ubuntu 9.04 running Sun Virtual Box 3.x hosting Windows-XP VM Guest for Windows Software app development (VS2008, etc) Needs I need to get my original Sun-VBox Windows-XP Guest running on my new Windows 7 Workstation either imported into VMWare or running on the Windows version of Sun-Virtual box (I have the VM-Guest Backed up and copied to the new computer data drive. New workstation host: 64bit Windows 7 running VMWare Workstation 7 to host 32bit Ubuntu 9.10 for linux project work.

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  • what are python libraries to work with git without installing git

    - by Arash
    I want to develop an application using python. It should be able to work with git repositories (show diffs, ...) I need a python library to work with .git repositories (creating, cloning, commit, ...) without installing git on my system. It would be nice if you give your own idea about each library you suggest. Information about how its documentation is? how bug free it is? and if it has an active development? is appreciated. Thanks in advance

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  • Oracle Java Olympics Between Russia, Ukraine, Belarus, Ukraine and Kazakhstan

    - by Tori Wieldt
    Last month, 151 universities in 11 locations (Saint-Petersburg, Moscow, Donetsk, Tomsk, Odessa, Rostov-on-Don, Ekaterinburg, Khabarovsk, Almaty, Kiev, and Samara) competed in the second round of the Oracle Java Olympics. For two weeks in February, the best university students from Russia, Ukraine, Belarus, Ukraine and Kazakhstan were invited to compete with each other and prove just how good they are in Java programming.  A team of engineers from Oracle Development center in Saint-Petersburg prepared the set of problems to solve during the competition. To win, participants needed to show deep knowledge of Java technologies from Classloader and NIO to Reflection and JavaDB. Students in each location had a PC with Oracle JDK 1.7u2 and Netbeans 7.1.  As a testing system, the organizers used the open source software Ejudge (with several tweaks specifically for the competition).  Participants submitted their solutions to the remote server where they were tested by prepared test harnesses. All results were posted in real-time. "I followed the competition coming in from the many sites, and it was a really exciting experience, like a horse race or football game!" exclaimed Java Evangelist Alexander Belokrylov. Congratulations to everyone who competed! The Olympic finals will on April 4th. 

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  • Tips for achieving "continual" delivery

    - by Ben
    A team is experiencing difficulty releasing software on a frequent basis (once every week). What follows is a typical release timeline: During the iteration: Developers work on stories on the backlog on short-lived (this is enthusiastically enforced) feature branches based on the master branch. Developers frequently pull their feature branches into the integration branch, which is continually built and tested (as far as the test coverage goes) automatically. The testers have the ability to auto-deploy integration to a staging environment and this occurs multiple times per week, enabling continual running of their test suites. Every Monday: there is a release planning meeting to determine which stories are "known good" (based on the testers' work), and hence will be in the release. If there is a known issue with a story, the source branch is pulled out of integration. no new code (only bug fixes requested by the testers) may be pulled into integration on this Monday to ensure the testers have a stable codebase to cut a release from. Every Tuesday: The testers have tested the integration branch as much as they possibly can have given the time available and there are no known bugs so a release is cut and pushed out to the production nodes slowly. This sounds OK in practise, but we have found that it is incredibly difficult to achieve. The team sees the following symptoms "subtle" bugs are found on production that were not identified on the staging environment. last minute hot-fixes continue into the Tuesday. problems on the production environment require roll-backs which blocks continued development until a successful live deployment is achieved and the master branch can be updated (and hence branched from). I think test coverage, code quality, ability to regression test quickly, last minute changes and environmental differences are at play here. Can anyone offer any advice regarding how best to achieve "continual" delivery?

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  • I can't work locally unless connected to the internet - how to fix?

    - by Rodney
    Hi, In Firefox, when I am disconnected from the net, I want to work locally on my local IIS server (Win XP, Firefox 3.5.10). I do NOT have Work Offline checked but FF says that it cannot find my site (ie. the message from FF if you try to access an online site offline) This applies to any localhost URL. I tried 127.0.0.1 and checked my Host file - that does not work either. If I check Work Offline then it shows the Firefox message that it cannot be reached because I have Work Offline checked. Unchecking it does not help. Then - I load up Safari, copy and paste the URL into that browser and it connects to my development localhost site. It is not just browser caching as I can log in etc. So Firefox will not let me develop locally unless I am connected to the internet, which is a problem. Suggestions please?

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  • Forwarding ports with ssh on Linux

    - by Patrick Klingemann
    I have a database server, let's call it: dbserver I have a web server with access to my dbserver, let's call it: webserver I have a development machine that I'd like to use to access a database on dbserver, let's call it: dev dbserver has a firewall rule set to allow TCP requests from webserver to dbserver:1433 I'd like to set up a tunnel from dev:1433 to dbserver:1433, so all requests to 1433 on dev are passed along to dbserver:1433 My sshd_config on webserver has the following rules set: AllowTcpForwarding yes GatewayPorts yes This is what I've tried: ssh -v -L localhost:1433:dbserver:1433 webserver In another terminal: telnet localhost 1433 Results in: Trying ::1... Connected to localhost. Escape character is '^]'. Connection closed by foreign host. Any idea what I'm doing wrong here? Thanks in advance!

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  • IoT Wearables

    - by Tom Caldecott-Oracle
    A Reprint from The Java Source Blog By Tori Wieldt on Aug 20, 2014 Wearables are a subset of the Internet of Things that has gained a lot of attention. Wearables can monitor your infant's heartrate, open your front door, or warn you when someone's trying to hack your enterprise network. From Devoxx UK to Oracle OpenWorld to Devoxx4kids, everyone seems to be doing something with wearables.  In this video, John McLear introduces the NFC Ring. It can be used to unlock doors, mobile phones, transfer information and link people. The software for developers is open source, so get coding! If you are coming to JavaOne or Oracle OpenWorld, join us for Dress Code 2.0, a wearables meetup. Put on your best wearables gear and come hang out with the Oracle Applications User Experience team and friends at the OTN Lounge. We'll discuss the finer points of use cases, APIs, integrations, UX design, and fashion and style considerations for wearable tech development. There will be gifts for attendees sporting wearable tech, while supplies last. What: Dress Code 2.0: A Wearables Meetup When: Tuesday, 30-September-2014, 4-6 PM Where: OTN Lounge at Oracle OpenWorld IoT - Wearable Resources The IoT Community on Java.net Wearables in the World of Enterprise Applications? Yep. The Paradox of Wearable Technologies Conference: Wearable Sensors and Electronics (Santa Clara, USA) Devoxx4Kids Workshop for Youth: Wearable tech! (Mountain View, USA)

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  • Scheme vs Haskell for an Introduction to Functional Programming?

    - by haziz
    I am comfortable with programming in C and C#, and will explore C++ in the future. I may be interested in exploring functional programming as a different programming paradigm. I am doing this for fun, my job does not involve computer programming, and am somewhat inspired by the use of functional programming, taught fairly early, in computer science courses in college. Lambda calculus is certainly beyond my mathematical abilities, but I think I can handle functional programming. Which of Haskell or Scheme would serve as a good intro to functional programming? I use emacs as my text editor and would like to be able to configure it more easily in the future which would entail learning Emacs Lisp. My understanding, however, is that Emacs Lisp is fairly different from Scheme and is also more procedural as opposed to functional. I would likely be using "The Little Schemer" book, which I have already bought, if I pursue Scheme (seems to me a little weird from my limited leafing through it). Or would use the "Learn You a Haskell for Great Good" if I pursue Haskell. I would also watch the Intro to Haskell videos by Dr Erik Meijer on Channel 9. Any suggestions, feedback or input appreciated. Thanks. P.S. BTW I also have access to F# since I have Visual Studio 2010 which I use for C# development, but I don't think that should be my main criteria for selecting a language.

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  • More on Oracle OpenWorld 2012

    - by Maria Colgan
    With only two weeks to go until Oracle OpenWorld, it is time to start planning your schedule. Every year folks ask me what Optimizer related sessions they should go and see at OpenWorld. Below are my top two picks for each day of the conference, to get your schedule started. Sunday, September 30th at 9am Beginning performance tuning Session UGF 3320 in Moscone West, room 2022 Sunday September 30th at 12:30pm Ten Surprising Performance Tactics Session UGF10426 in Moscone West, room 2016 Monday October 1st at 12:15pm The Evolution of Histograms in Oracle Database Session CON2803 in Moscone south, room 302 Monday October 1st at 1:45pm A Day in the Life of a Real-World Performance Engineer Session CON8404 in Moscone south, room 303 Tuesday October 2nd at 11:45am Oracle Partitioning: It’s Getting Even Better Session CON8321 in Moscone South, room 101 Tuesday October 2nd at 1:15pm Oracle Optimizer: Harnessing the Power of Optimizer Hints  Session CON8455 in Moscone South, room 103 Wednesday October 3rd at 3:30pm SQL Plan Stability: Post 11g Upgrade—Verizon Wireless’ Experience Session CON4485 in Moscone South, room 302 Wednesday October 3rd at 5pm Five SQL and PL/SQL Things in the Latest Generation of Database Technology Session CON8432 Moscone South, room 103 Thursday, October 4th at 11:15pm How the Query Optimizer Learns from Its Mistakes  Session CON3330 in Moscone west, room 3016 Thursday, October 4th at 12:45pm Oracle Optimizer: An Insider’s View of How the Optimizer Works Session CON8457 in Moscone South, room 104 Don't forget to pickup an Optimizer bumper sticker at the Optimizer demo booth. This year we are located in booth 3157, in the Database area of the demogrounds, in Moscone South. Members of the Optimizer development team will be there Monday through Wednesday from 9:45 am until 6pm.

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