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  • Modded Portal Gun Levitates a Companion Cube [Video]

    - by Jason Fitzpatrick
    This cleverly designed Portal gun prop levitates a model Companion Cube; the whole setup just begs to be paired with a Halloween costume. Courtesy of Caleb over at Hack A Day: I was out to lunch with a couple friends, brainstorming ideas for fun projects when one of them says “Wouldn’t it be cool if we could build a working gravity gun?”. We all immediately concurred that while it would in fact be cool, it is also a silly proposition. However, only a few seconds later, I realized we could do a display piece that emulated this concept very easily. Floating magnetic globes have been around for quite some time. I determined I would tear the guts out of a stock floating globe and mount it on a portal gun, since they’re easier to find than a gravity gun. I would also build a custom companion cube to be the correct size and weight necessary. Watch the video above and then check out the link below for more information on the build. HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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  • Prevent Looping and Inefficient Rule Executions by C2B2

    - by JuergenKress
    This recipe, taken from the recently published Oracle SOA Suite 11g Performance Cookbook gives guidance on how to avoid rule executions that will loop, potentially indefinitely! We’ll use an inbound XML fact and a local RL fact as an example. Getting ready You’ll need access to a SOA composite containing an Oracle Business Rules component in JDeveloper to apply this recipe. We’ll assume you have an XSD schema with an input type RequestInput containing input and bonus String types, and output String value called output in a type ResponseOutput. These aren’t efficient but serve as an example. We’ll step through adding a rule to a composite and creating an RL fact. How to do it... Open a SOA composite. Right click on the Project and select Business Rules (Service Components), use the search box if it is not immediately available. Give the rule a name and click the green plus icon to add the RequestInput to the input and ResponseOutput to the output types. Read the complete article here. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Technorati Tags: C2B2,looping,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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  • MySQL on a laptop for remote workers - MyISAM keeps corrupting

    - by Jonathon
    We have an application that is used by remote, mobile workers. It intalls WAMP (Server2Go) on a laptop and uses MySQL to store data locally. All tables are MyISAM. Once a day, the workers sync the database to our central server via HTTP scripts that query the data and post it to our site. The problem is that many of these laptop database tables are corrupting continually. It appears that MySQL acts like it saves the information (I don't get any query errors), but the table gets corrupt. I have to repair the table constantly (which removes several rows of data in the process). Does anyone have any ideas about how to work around this problem? Would it be wise to switch to InnoDB on the laptops? How about a different database system altogether. I have looked at MySQL Embedded, but it appears to be the same engine as the regular MySQL.

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  • Unable to record sound from web browser (firefox / chromium ) using recordmydesktop

    - by thamurath
    I have to do some screencast tutorials and i am using recordmydesktop with gtk frontend to do it. I need to record also the sound and here is where i have found the problem. It took me some time, but now I can record the sound from almost every application in my desktop ... almost. I need to capture some sound from a web application using java, but when i load the page nothing appears in the playback tab of pavucontrol. I think this is the problem, because if there is no sound stream i think the recordmydesktop program thinks there is no sound to record ... the funny thing is that I can ear the sound in my speakers! I have tried with Firefox and Chromium with no success. Although I have been able to record youtube videos without problem, so it seems that java is the key here. Any suggestion or idea? P.S.: I am using Ubuntu 11.10 with this configuration. ( if more information is needed please let me know) sight i cannot post images ... so I have an audigy2 sound card using Analog Stereo Output profile. I have also an "Internal Audio" device, but i have it with the "Off" profile. In recordmydesktop-Advanced-Sound: Device = default

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  • WebCenter News, Best Practices & Resources: Check Out the Latest Oracle WebCenter Newsletter

    - by Christie Flanagan
    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-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Check out the latest edition of the Oracle Information InDepth Newsletter featuring the latest Oracle WebCenter news, best practices and resources. In this issue, you’ll find: Five best practices for application integration from Oracle expert, John Brunswick A video demonstrating how to employ the advanced segmentation and targeting features in Oracle WebCenter Sites The latest webcasts and events on how to engage your customers and empower your business with Oracle WebCenter Want to get the newsletter delivered directly to your inbox? Subscribe here.

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  • Aironet 1200's Auto-Channel Feature: When should it be used?

    - by Josh Brower
    In our building we have around 25 1200 series Aironets, with a bit of overlap in some areas. Up until this point, we have had them deployed in alternating 1/6/11 channels, but we are wondering if we would get better performance if we used the auto-channel select feature. In looking around, I have seen comments that this feature should not be used as the WAP does a channel scan only on the radio startup, but I have not found this in any Cisco docs. Anybody have anymore information, or real-world experience with this feature? Thanks! -Josh

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  • Finding Image resolution in PDF file?

    - by Dave
    I have a problem of having some users creating very large PDFs. On the other hands I have PDF sent from our fax machines that are really small in size and totally printable. My question is Is there any way I can find the resolution (DPI) of the PDF. I search the internet, could not find any answer. Checked the properties of the file, this information was not stored there, at least in my case. What is the optimum resolution of converting text file into image PDF. 96dpi, 300dpi or more ? Fun question. Can I resize a PDF which was scanned with high dpi into smaller dpi? I know some answers might not be available as I have already searched the internet and could not find answers. Note: My PDF are entirely images, text to images. I am also familiar with primoPDF (free) something you can experiment with

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  • SQL server Rebuild Index

    - by Uday
    How can we know that before rebuilding index --How much space is required for the Transaction Log file( I knew we may required to consider sort_tempdb option , if we set to ON then we may required to ensure about tempdb space as well , Also if we set off then sorting, temporary indexes(during Build phase of rebuild index) creation will takes place in same Database.)?. Usually I have checked with Many users they say :Log file size =1.5 * Index size. How much space required for the Filegroup for datafiles-for ex-Consider I have one filegroup with 1 Mdf + ndf files. I have MSDN Link :those are pretty good information about per-requisites before rebuild index Link :http://msdn.microsoft.com/en-us/library/ms191183.aspx How can I tell exactly or Approx... to get Log/Primary FG size(or any other filegroup).

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  • Cannot install FrontPage 2002 Server Extensions on Server 2003

    - by Sentax
    Hi everyone, I've followed the Microsoft article to install FPSE 2002 on my Windows 2003 server: To install and enable FrontPage 2002 Server Extensions 1. From the Start menu, click Control Panel. 2. Double-click Add or Remove Programs. 3. Click Add/Remove Windows Components. 4. In the Windows Components Wizard, double-click Application Server, double-click Internet Information Services, and then select the FrontPage 2002 Server Extensions check box. 5. Click OK twice, click Next, and then click Finish. But on step 4 "FrontPage 2002 Server Extensions" does not show up in the list in the IIS details window. How do I get FPSE 2002 installed on my server? From what I can understand it's supposed to be there and I just have to enable it. But that's not an option for me. Thanks.

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  • Distinguishing the Transport Layer from the Session Layer

    In the OSI communications model, the Session layer manages the creation and removal of the association between two communicating network end points. This can also be called a connection. A connection is maintained while the network end points are communicated between each other in a conversation or session of some unknown length of time. Some connections and sessions only need to last long enough to send a message or a piece of data in one direction. In addition, some sessions may last longer, this typically occurs when one or both of the network end points are  able to terminate it the connection. The transport layer ensures that messages/data are delivered without errors, in sequence, and with no data content losses or data content duplications. It relieves the Session Layer from any concern with the transfer of data between them and their peers. Examples: Session Layer This layer acts like a manager and asks one of its employees (Transport Layer) to move a piece of data/message from one network end-point to another. Transportation Layer This layer takes the request of the Session Layer and moves the data as insturcted, it also double checks the data for any missing or corrupted information after it has been moved. If for some reason the new data does not match the old data then the Transport player will attempt to move the data gain until the data at both locations is in sync.

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  • Ubuntu 11.04 and OpenLDAP - where is the config?

    - by Tom SKelley
    I've been asked to setup a multimaster LDAP environment on Ubuntu 11.04 - instead of a single master server. I cloned the master server and recreated it into two VMs. I am trying to follow the instructions on the OpenLDAP documentation here: http://www.openldap.org/doc/admin24/replication.html and it talks about modifying the cn=config tree within LDAP. The subdirectory tree appears to be there at: /etc/ldap/slapd.d/ and a slapcat -b cn=config drops out a load of config information. When I try to connect using a browser and the admin bind credentials: ldapsearch -D '<adminDN>' -w <password> -b 'cn=config' I get: # extended LDIF # # LDAPv3 # base <> (default) with scope subtree # filter: (objectclass=*) # requesting: ALL # # search result search: 2 result: 32 No such object I don't see the config context when I connect via an LDAP browser either. I'm sure I'm missing something, but I can't see what it is!

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  • Oracle Romania Summer School

    - by Maria Sandu
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 What would you say about a Summer School within a corporation where you can learn, play and practice? You might think that this is something usually uncommon for a company and you would be right. However, Oracle’s main value being innovation, we came up with a new project for Romanian students and graduates. We organised Oracle Summer School , offering them the opportunity to develop their soft skills and gain valuable business knowledge and exposure. How was Oracle Summer School programme organised? We focused on students and graduates’ needs and combined business experience with training and practice. The twenty four participants had different backgrounds, being interested in Software, Hardware, Finance, Marketing or other areas. The programme fulfilled each of these needs, bringing them in contact with Specialists and Managers. The first two weeks were dedicated to the company visits, business presentations and networking. The participants got an insight about employees’ activities and projects. Storytelling was also part of the program and people from different departments spent a couple of hours with the participants, sharing their experiences, knowledge and interesting stories. The Recruitment team delivered a training about the job interview skills in order to make the participants feel better prepared for a Recruitment process. The second module consisted of two weeks of Soft Skills trainings delivered by professional trainers from different departments. The participants gained useful insight on the competencies required within a business environment. The evenings were dedicated to social activities and it not very long until they started feel part of a team. The third module will take place at the end of September and will put the participants in contact with senior people from the business who will become their Mentors. What do the participants say about Oracle Summer School? “ As a fresh computer science graduate, Oracle Summer School gave me the opportunity of finding what are the technical and nontechnical skills required in a large multinational company. It was a great way of seeing how the theoretical knowledge I received during college is applied in real-life scenarios and what skills I still need to develop. “  (Cosmin Radu) “ When arriving at Oracle I had high expectations, but did not know exactly what was going to unfold because of the program's lack of precedence. Right after the first day, my feedback outgrew the initial forecast and the following weeks continued to build upon it. I had the pleasure to acquaint with brilliant people. The program was outlined on various profiles, delivering a comprehensive experience. It was very engaging, informative and nevertheless fun. “ (Vlad Manciu) „ Oracle Summer School is by far the best summer school that I have ever attended. For me it has been a great experience so far, because I’ve learned not only how to use soft skills in a corporate environment, but I’ve learned a great deal about myself as well. However, the most valuable asset of this 3-week period were the people that I’ve met: great individuals and great professionals, whom I really grew fond of.” (Alexandru Purcarea) “Applying to Oracle Summer School has been the best decision I took in regard to how to spend my summer holiday. I had the chance to do job shadowing at some of the departments I was interested in and I attended great trainings on various subjects such as time management and emotional intelligence. Moreover, I made friends with the other participants and we enjoyed going out together after “classes”.(Andreea Tudor) If you are interested in joining our team and attending our events please follow us on https://campus.oracle.com/campus/HR/emea_main.html /* 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-family:"Calibri","sans-serif"; mso-ascii- mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi- mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}

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  • INETA NorAm Component Code Challenge

    - by Chris Williams
    Want to win a trip to TechEd 2011? INETA NorAm is hosting a contest with our partners to see who can build an .NET application making effective use of reusable components to solve a problem. The Rules: Any .NET Application (WinForms, ASP.NET, WPF, Silverlight, Windows Phone 7, etc.) built in the last year (since 1/1/2010) using at least 1 component from at least 1 approved vendor. Then make a 3 - 5 minute Camtasia video showing your entry and describing what component(s) you used and why your application is cool. Our judges will review the submissions and the best two will win a scholarship to Tech·Ed 2011, May 16-19 in Atlanta GA including airfare, hotel, and conference pass. The Judging: Entries will be judged on four criteria: Effective use of a component to solve a problem/display data Innovative use of components Impact using components (i.e. reduction in lines of code written, increased productivity, etc.) Most creative use of a component. Timeline: Hurry! The submission deadline is March 15, 2011 at Midnight Eastern Standard Time. More information can be found on the INETA Component Code Challenge page: http://ineta.org/CodeChallenge/Default.aspx

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  • Revolutionizing Digital Commerce

    - by bwalstra
    The confluence of the Internet, the pace of change in technology, and the demands of the value-conscious consumer are accelerating the evolution of the global digital marketplace at an unprecedented rate. Success in the new digital economy has become inextricably linked with the agility to launch innovative products, services, and new business models efficiently with minimal risk. A major obstacle to agility, and by extension to success in digital commerce, is the fact that by and large information technology (IT) infrastructure is tightly coupled with particular business models. Enterprises, through well intentioned but misconstrued costsaving belief, continue to customize existing infrastructure and create now silos to support new business models. In reality, this approach results in rigid, inflexible business processes and exposes the enterprise to unnecessary risks, higher opportunity costs, and lower profit margins. Oracle, a leading supplier of business solutions to the enterprise, is enabling the business strategies necessary to succeed in the digital economy by offering a modern, open, modular, and functionally comprehensive revenue management solution that decouples IT infrastructure from business models. Enterprises using the Oracle solution are able to focus on core competencies and innovate unimpeded, assuring that business and IT systems will seamlessly adapt to changing conditions of the digital economy. Revolutionizing Digital Commerce:  An Oracle Revenue Management Solution

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

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

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  • Visual Studio 2010 editor painfully slow [closed]

    - by Daniel Gehriger
    I'm running out of patience with MS VisualStudio 2010: I'm working on a solution containing ~50 C++ projects. When using the editor, I experience a lag of 1 - 2 seconds whenever I move the cursor to a different line, or when I move to a different window, or generally when the editor losses and gains focus. I went through a whole series of optimizations, to no avail: installed all hotfixes for VS2010 disabled all add-ins and extensions disabled Intellisense deleted all temporary files created by VS2010 disabled hardware acceleration unloaded all but 15 projects disabled tracking changes closed all but one window and so on. This is on a Dual Core machine with SSD harddrive (verified throughput 100MB/s), enough free space on HD, Windows 7 Pro 32-bit with 3GB of RAM and most of it still free. Whenever I type a letter, CPU usage of devenv.exe goes to 50 - 90% in process monitor for 1 - 2 seconds before returning to 5%. I used Process Explorer to analyze registry and file system access, and I only notice frequent accesses to the .sln file (which is quiet small), and a few registry reads, but nothing that would raise a red flag. I don't have this problem with solutions containing less projects, so I'm inclined to think that it's related to the number of projects. For your information, the entire solution has been migrated over the years from VS2005 to VS2008 to now VS2010. Does anyone have any ideas what else I could do to resume work on this project, other than returning to VS2008?

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  • View hidden contents of usb device

    - by Srikanth Suresh
    I have a USB with the following contents on ls -lah total 8.0K drwx------ 1 srikanth srikanth 4.0K May 27 22:54 . drwxr-xr-x 4 root root 4.0K May 28 19:37 .. -rw------- 2 srikanth srikanth 0 May 27 22:52 Files.az3w On viewing the properties of the folder I have the following information: 90.4Mb used and 16.1GB free There is data in this pen drive which I am currently unable to view also it is sensitive. After searching about hiding contents in a USB I think that there is a hidden partition here that I cant access. How should I proceed to view the contents without damaging the files already present?

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  • Wireless technology - which is better: more single radio APs or less dual radio APs?

    - by gert_78
    We are currently talking to vendors of wireless solutions for a wireless deployment in a university campus with some 5000 students. One vendor is offering us a Cisco solution with a WLC 5508 controller and 69 2x2 MIMO Dual-band/Dual radio APs (Aironet AP 1042 model) The other vendor is offering us an Aruba solution with a 3600 controller and 96 2x2 MIMO dual band BUT single radio APs (Aruba AP93) Both vendors are charging 82.000 US$ (support, 3y service contracts, switches and additional required options all included of course) The Aruba vendor is trying to convince me that 96 single radio APs will give us more connection/users/capacity then the 69 dual radio APs. I have my doubts about that and since it is my core competence-domain I wanted to ask here the opinion of people that have a more profound knowledge and experience in this area. When you talk to vendors it's often hard to get objective information. So try to answer only if you are sure and please mention it if you are affiliated with one of the vendors. I appreciate all useful help and want to thank you in advance for the effort!

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  • Create a form as a worksheet in Excel that adds records to another worksheet

    - by Holden Fenner
    I am trying to create a form in Excel for vehicle requests. What I want to happen is to create one worksheet that is a recreation of the current paper form, but have a clickable button that will enter all the data for the vehicle request as a record on a second worksheet. Conversely, if you know the record number, I want the form to auto-flll the information from that record number. I have the second part figured out, that should be a simple HLOOKUP, but I don't know how to generate the clickable button. Will I need to use scripting for this, or is there an pre-built way of doing this? (As an aside, I know there are other and better ways of accomplishing database work, but the nature of my work makes Excel the best choice)

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  • Robocopy hiding folders on backup drives

    - by Neil Barnwell
    I have a backup batch file that uses Robocopy to backup my files: robocopy "C:\" "G:\Default\RoboCopyBackup\C" /XF Pagefile.sys /XD "System Volume Information" "Recycler" "Temporary Internet Files" "Installer Cache" "Temp" /E /R:1 /W:0 /TEE /XJ This should create a folder structure on the external backup drive like so: G:\Default\RoboCopyBackup\C\... However, G: appears totally empty. What is weird, is that the folders and files are there! If I type the above path into the address bar, I see all the files and folders! Can anyone help me work out why? I think it might be some NTFS-based ownership/permissions thing but I'm not sure.

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  • Is djvubundle available in Ubuntu?

    - by Tim
    The official webpage says Assembling DjVu Images into Multipage Documents The batch compressors distributed as part of the DjVuText and DjVuLayered packages can directly produce multipage DjVu file when fed with multiple input files. The files produced are smaller than if the pages are compressed separately because the compressor can extract and share redundant information accross multiple pages. Individually compressed DjVu pages can be assembled into multipage documents using the free package DjVuMulti. To assemble a bunch of DjVu images into a single BUNDLED document simply type: djvubundle page1.djvu page2.djvu.... pageN.djvu document.djvu To assemble a bunch of DjVu images into an INDIRECT document, type: djvujoin page1.djvu page2.djvu.... pageN.djvu documentdir/index.djvu where documentdir must be an existing directory where all the individual page files will be copied. To disassemble a BUNDLED document into an INDIRECT one, simply say: djvujoin document.djvu documentdir/indexfile.djvu To convert a multipage document from one of the old 2.0 multipage formats, do djvureindex olddocument newdocument The programs djvujoin, and djvubundle supersede the 2.0 programs djvuindex and djvumerge. I couldn't find djvujoin and djvubundle for Ubuntu. djvulibre doesn't have them either. Do I miss something? Thanks.

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  • Update Your NetBeans Plugin's "Supported NetBeans Versions" In The Next Two Weeks!

    - by Geertjan
    For each NetBeans plugin uploaded to the NetBeans Plugin Portal, the registration page starts like this: Note how the "Supported NetBeans Versions" field is empty, i.e., no checkbox is checked, for the plugin above. As you can also see, there is a red asterisk next to this field, which means it is mandatory. It is mandatory for the latest version of the NetBeans Plugin Portal, while it wasn't mandatory before, so that several plugins were registered without their supported version being set. Therefore, since the version is now mandatory, anyone who doesn't want their plugin to be hidden for the rest of this year, and removed on 1 January 2013 if no one complains about their absence, needs to go to their plugin's registration page and set a NetBeans Version. E-mails have been sent to plugin developers of unversioned plugins already, over the last weeks. Currently there are 91 plugins that still need to have their NetBeans Version set. Probably at least 1/3 of those are my own plugins, so this is as much a reminder to myself as anyone else! Whether or not you have received an e-mail asking you to set a NetBeans Version for your plugins, please take a quick look anyway and maybe this is a good opportunity to update other information relating to your plugin. You (and I) have two weeks: on Monday 16 April, any NetBeans plugin in the Plugin Portal without a NetBeans Version will be hidden. And then removed, at the start of next year, if no one complains.

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  • juju bootstrap key error?

    - by mxdog
    I followed the guides the best as i could. there is some information missing like do as root or as regular user ..formatting, quotes no quotes..what the password or paraphrase for ssh should be ..couple other trivial things. that im sure add up to where im at (stuck!) so i have a working mass server on mx-nas-01 and 3 nodes and have been trying to get juju to start. I have tried this as both root and my regular account, sudo no-sudo and here is the output i get from juju bootstrap (however i try it) I don't know if this could be a host,domain,account issue or what i will mention i did have to shut off my dhcp server and install masq (all defaults) to get the maas pxe to work for the nodes mxdog@mx-nas-01:/$ juju bootstrap Traceback (most recent call last): File "/usr/bin/juju", line 8, in main(sys.argv[1:]) File "/usr/lib/python2.7/dist-packages/juju/control/init.py", line 183, in main env_config.load_or_write_sample() File "/usr/lib/python2.7/dist-packages/juju/environment/config.py", line 229, in load_or_write_sample self.load() File "/usr/lib/python2.7/dist-packages/juju/environment/config.py", line 115, in load self.parse(file.read(), path) File "/usr/lib/python2.7/dist-packages/juju/environment/config.py", line 138, in parse config = SCHEMA.coerce(config, []) File "/usr/lib/python2.7/dist-packages/juju/lib/schema.py", line 266, in coerce new_dict[k] = self.schema[k].coerce(v, path) File "/usr/lib/python2.7/dist-packages/juju/lib/schema.py", line 233, in coerce new_subvalue = self.value_schema.coerce(subvalue, value_path) File "/usr/lib/python2.7/dist-packages/juju/lib/schema.py", line 301, in coerce return self.schemas[selected].coerce(value, path) KeyError: 'mass' environments: maas: type: mass mass-server: http://192.168.0.30:80/MAAS mass-oauth: tDRdtJeEKVARBh93eT:N5dK5HSZBsA45cBdx9:S8wMNrfkT9PeYvQN9YrnbHGxmKARv8vb admin-secret: ########## default-series: precise

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  • Cannot get Backup Exec to backup Exchange.

    - by Shawn Gradwell
    I have a media server, Windows Server 2008 SP2 running Backup Exec 2010 R2. The SQL and other Windows agents work but I cannot backup the Exchange 2010 server running Windows Server2008 R2. I have the correct license for the Exchange agent - installed on the media server, and I installed Exchange Management tools on the media server. The 'Microsoft Exchange Database Availability Group' option is greyed out and if I select the server under a new backup job I can expand the 'Microsoft Information Store' option and see the mail database name but showing 0Kb. When I try to back it up it gives an error displaying: The job failed with the following error: Backup Exec attempted to back up an Exchange database according to the job settings. The database was not found, however. Update the selection list and run the job again.

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  • What's so bad about pointers in C++?

    - by Martin Beckett
    To continue the discussion in Why are pointers not recommended when coding with C++ Suppose you have a class that encapsulates objects which need some initialisation to be valid - like a network socket. // Blah manages some data and transmits it over a socket class socket; // forward declaration, so nice weak linkage. class blah { ... stuff TcpSocket *socket; } ~blah { // TcpSocket dtor handles disconnect delete socket; // or better, wrap it in a smart pointer } The ctor ensures that socket is marked NULL, then later in the code when I have the information to initialise the object. // initialising blah if ( !socket ) { // I know socket hasn't been created/connected // create it in a known initialised state and handle any errors // RAII is a good thing ! socket = new TcpSocket(ip,port); } // and when i actually need to use it if (socket) { // if socket exists then it must be connected and valid } This seems better than having the socket on the stack, having it created in some 'pending' state at program start and then having to continually check some isOK() or isConnected() function before every use. Additionally if TcpSocket ctor throws an exception it's a lot easier to handle at the point a Tcp connection is made rather than at program start. Obviously the socket is just an example, but I'm having a hard time thinking of when an encapsulated object with any sort of internal state shouldn't be created and initialised with new.

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