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  • Using the RST3 plugin in the Leo Outliner

    - by T-Boy
    I'm currently trying out the Leo Outliner, and I've heard quite a bit about the RST3 plugin that it has. I'm not planning to use Leo to program just yet -- at this point I'm wondering if it might be useful for generating HTML and PDF documents, as I'm quite currently enamored with RST and how it works. I'm using my Ubuntu Netbook Remix netbook (running 9.10, I believe). I think I've got it down pat, more or less -- I've installed docutils using the Synaptics Package Manager, and I think I've gotten SilverCity installed, as per the requirements -- I've downloaded the archive, and then run "sudo python setup.py install" with no errors. The thing is, I'm not exactly sure how to invoke the rst3 plugin itself. It doesn't appear in the Plugins menu for Leo right now, and the documentation I've managed to source doesn't seem to clearly explain how to use the plugin. Has anyone had any experience in using the rst3 plugin in Leo? It's a little confusing right now, and searches on Google doesn't seem to be helping much any more. I'm using the latest 4.7.1 final version of Leo from the Synaptics Package Manager (was informed that this would have offered the best integration with UNR, so I figured, what the heck). Have I missed out on any steps here, and are there any useful tutorials on how to use the rst3 plugin?

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  • Les nombres flottants et leurs pièges, un article de Bruce Dawson traduit par Léo Gaspard

    Une partie des erreurs que l'on retrouve régulièrement en C++ vient d'une connaissance superficielle de la manipulation des nombres réels en informatique. Dans la série d'articles "flotting point", Bruce Dawson aborde en détail les problématiques liées à la représentation des nombres à virgule flottante. Ce premier article pose les bases et explore le monde étrange et merveilleux des mathématiques à virgule flottante. Les nombres flottants et leurs pièges Quels sont les principales difficultés que vous avez déjà rencontrées en manipulant les nombres à virgule flottant ?

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  • LEO : le premier ordinateur d'entreprise a 60 ans, 6000 valves et 64 tubes de mercure pour 2 kbit de mémoire

    LEO : le premier ordinateur d'entreprise a 60 ans 6000 valves et 64 tubes de mercure pour 2 kbits de mémoire « LEO », le premier ordinateur utilisé en entreprise fête cette semaine ses 60 ans. En partant du Londres de l'après-guerre en 1947, les pionniers concepteurs de J.Lyons & Co (une compagnie britannique de production alimentaire possédant une chaîne de magasins de thé) se sont envolés vers l'Amérique se renseigner sur les derniers progrès en matière de gestion des processus d'entreprise. À cette époque, il n'y avait que très peu ordinateurs en grande Bretagne. Le plus proche était Colossus du mythique manoir de Bletchley Park, utilisé par Alan Turin...

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  • How to use a local Leopard Server Mail server acting "like" an Exchange mail server

    - by Richard Chevre
    We have a local Exchange 2003 server (company .local) who is collecting POP3 mail accounts on a distant (company .com) mailserver. The mails are collected by the Exchange server every 5-10 minutes and stored locally (on company .local), so the users can read them without going on the "real" mail server (company.com) What was explaned to me is that the mail collection is made with POP Now we are migrating on Snow Leopard Server. We have chosen to use a new extension for our local domain: .leo So our mailserver's FQDN is mail.company.leo, and the users have a user 1-2-3@company.leo formated mail address. A) All works fine except that I can't find how to tell the mail.company.leo that he must retreive the mails from the "real" public server (mail.company.com) I'm hoping to use IMAP and not POP. I can send mail using SMTP relay from mail.company.leo but (I know it's trivial) answering is not possible, even if I specify the reply-to as [email protected] (this seems to be related to A) ) I don't know if it's very complicated (I suspect not, but...) to achieve what I want to do, and I'm not a genius. But as I'm a little bit lost, I hopesomebody can or will help me. Solving this will allow us to use iCal invitations too, so a lot of services depends of these mailserver settings Some of you discuss the fact thta we choose to use a "new" tld with the .leo extension. We have no problem for that, we could use .local. no problem ;) We used .leo instead of .local just to differentiate the two systems (Exchange and SnowLeopardServer). The question was not about that, it was just to know if we can set a SnowLeopard mail server to act like an Exchange Server. Again thank you for your advice and help Richard Thanks in advance Richard

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  • unnecessary vertical scrollbar in ie6

    - by tirso
    hi to all does any could help me how to remove unnecessary scroll bar in ie6. I have already put overflow-y: hidden; but still the same output. thanks in advance here is my url http://webberzsoft.com/clients/csslayouttest/template_new.php here is my css * {margin:0;padding:0;}/*for demo purposes only, use a proper reset in your final layout*/ html,body { overflow: auto; height:100%; } body { font-size:100%; background:#777; } #wrapper{ min-height:99%; width: 1240px; margin:0 auto; background: #FFFFFF; border-left:1px solid #000; border-right:1px solid #000; } #header { background:#77F; border-bottom:1px solid #000; height: 70px; } #content{/*just to create top padding without tampering with min-height:100% on #inner*/ padding:10px 0; overflow:hidden;/*contain floats*/ } #left-index { float:left; width:220px; } #right-index { float:right; width:180px; } #middle-index { float:left; width:840px; overflow:hidden;/*contain floats*/ } #left-home { float:left; width:300px; } #right-home { float:right; width:940px; } here is my html <div id="wrapper"> <div id="header"> <h1 align="right">Fixed Header</h1> <h3>IE6 gets an expression</h3> </div> <div id="content"> <div id="left-index"> <h3>Left</h3> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> </div> <div id="middle-index"> <h3>Middle</h3> <p>Lorem ipsum sed pede non adipiscing nulla lacinia ipsum quis ac Integer. Ut consectetuer Cras fringilla Ut non gravida morbi Maecenas semper vel. Vestibulum quis In Nulla Vivamus Sed feugiat Quisque et ipsum tincidunt. Semper vitae cursus metus risus enim gravida tellus id dignissim nec. Justo laoreet dui commodo Integer malesuada vel quis vel consequat metus. Nec id dolor Aliquam Nullam gravida libero montes nunc ante Nulla. Tortor id.</p> <p>Lorem ipsum sed pede non adipiscing nulla lacinia ipsum quis ac Integer. Ut consectetuer Cras fringilla Ut non gravida morbi Maecenas semper vel. Vestibulum quis In Nulla Vivamus Sed feugiat Quisque et ipsum tincidunt. Semper vitae cursus metus risus enim gravida tellus id dignissim nec. Justo laoreet dui commodo Integer malesuada vel quis vel consequat metus. Nec id dolor Aliquam Nullam gravida libero montes nunc ante Nulla. Tortor id.</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> </div> <div id="right-index"> <h3>Right</h3> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> </div> </div><!--end content--> </div>

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  • On Life and TechEd&hellip;

    - by MOSSLover
    I haven’t been writing here I know.  I am very sorry, but I am just too busy trying to make my personal life just as good as my SharePoint life.  So I was at TechEd again helping with the hands on labs, but I had a very long couple of weeks.  I will have a long week again.  I started out going to my friend, Randy Walker’s, wedding and I ended up at my grandmother’s condo in Fort Lauderdale.  It was a very trying week.  I had to drive 5 1/2 hours to the wedding from St. Louis and back.  So Randy is an awesome person.  He is a great guy and he was the first person ever to nominate me for MVP.  I knew it probably wasn’t going anywhere, but it was the thought that count.  I met Randy in 2008 at Tulsa Techfest.  We had fun jamming out to Rockband.  I knew he was good people back then.  He has let me vent and I have let him vent over countless personal problems.  He has always been a great friend.  So it was a no brainer when I decided to go to his wedding no matter how much driving or stress or lack of sleep it was worth it.  I am incredibly happy for him to finally find a diamond amongst a lot of coal.  To take part in his celebration was so awesome.  I thank him again for letting me participate in this ceremony. Now after Randy’s wedding I drove 5 1/2 hours landed in St. Louis, fed a cat an asthma pill hidden in wet cat food, and slept for 4 hours.  I immediately saw my best friend who dropped me off at the airport and proceeded to TechEd.  I slept 1 hour on each flight, then ended up working a 3 hour shift at TechEd.  The rest of the week was a haze of connecting with people and sleeping very little.  I got to see my friend Tasha and her husband Casey plus a billion other people.  It was a great week and then I got a call from my grandmother.  It turns out her husband was admitted to the hospital. My grandparents on my dad's side have been divorced since the 60s, which means I never got to see them together.  I always felt like they never cliqued.  When I was a kid we would always spend half our time in Chicago at grandma’s and half our time at grandpa’s houses.  We would hang out with my grandpa’s wife Bobbi and my grandma’s husband Leo.  My cousin’s always called Leo by Pappa and my brother and I would use Leo.  My cousins lived in Chicago up until my cousin Gavi was born then they moved to Philadelphia.  I remember complaining to my dad that we never visited anywhere cool just Chicago and Kansas City.  I also remember Leo teaching me and my brother, Sam, how to climb a tree and play tennis on the back of the apartment wall.  My grandfather’s was kind of stuffy and boring, but we always enjoyed my grandmother’s.  She had games and Disney Movies and toys.  Leo always made it a ton of fun to visit.  I’m not sure a lot of people knew this fact, but when I was 16 years old I saw my grandfather on my mother’s side slowly die of congestive heart failure in a nursing home.  When I was 18 I saw my grandmother on my mother’s side slowly die of an infection over a 30 day period.  I hate hospitals and I hate nursing homes, but sometimes you have to suck in your gut and be strong.  I tried to do that this weekend and I hope I did an ok job.  I really hope things get better, but if they don’t I really appreciate everything he has given me in life.  I am a terrible tennis player and I haven’t climbed a tree in ages, but they both encouraged me when encouragement from my parents was lacking.  It was Father’s Day today and I have to at least pay tribute to Leo Morris, because he has been a good person to me all my life.  Technorati Tags: TechEd,Grandparents,Father's Day

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  • Parsing / Extracting Text from String in Rails?

    - by user641116
    I have a string in Rails, e.g. "This is a Twitter message. #books War & Peace by Leo Tolstoy. I love this book!", and I want to parse the text and extract only certain phrases, like "War & Peace by Leo Tolstoy". Is this a matter of using Regex and lifting the text between "#books" to "."? What if there's no structure to the message, like: "This is a Twitter message #books War & Peace by Leo Tolstoy I love this book!" or "This is a Twitter message. I love the book War & Peace by Leo Tolstoy #books" How can I reliably pull the phrase "War & Peace by Leo Tolstoy" without knowing the phrase ex ante. Are there any gems, methods, etc. that can help me do this? At the very least, what would you call what I'm trying to do? It will help me search for a solution on Google. I've tried a few searches on "parsing" with no luck.

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  • NSString stringWithFormat

    - by Leo
    Hi Guys, I don't know what I am missing here. I am trying to concatenate strings using NSString stringWithFormat function. This is what I am doing. NSString *category = [row objectForKey:@"category"]; NSString *logonUser = [row objectForKey:@"username"]; user.text = [NSString stringWithFormat:@"In %@ by %@", category, logonUser]; The problem here is that it always print only one variable. Say if there is "Sports" in category and "Leo" in logonUser it will print "In Sports" and skip the remaining text. It should print "In Sports by Leo". Thanks

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  • How do I boot into console mode (redux)

    - by Leo Simon
    I'm running Ubuntu 12.04. This question was asked some time ago How do I disable the boot splash screen? but the answers didn't work for me. The standard way to boot into console mode used to be to edit /etc/default/grub and set GRUB_CMDLINE_LINUX_DEFAULT="text" This worked fine until I ran the fix proposed in https://help.ubuntu.com/community/SoundTroubleshootingProcedure in order to get sound to work. Since then, I have disabled the boot-splash-screen, but I can avoid what I presume is the lightdm login prompt screen. All I want to do is disable this gui and be prompted with a console login prompt. (Shouldnt be so hard should it???) I read in three 33416 mentioned above that there was a bug in lightdm (it wasn't recognizing "text" properly as an option for GRUB_CMDLINE_LINUX_DEFAULT.) But this discussion happened more than a year ago, and it's surely been fixed. Yet my lightdm is uptodate (so I'm told when I try to update it with apt-get). As suggested in one of the above, I tried sudo update-rc.d -f lightdm remove which resulted in a hung machine. I managed to recover using recovery mode, but now I still get the gui again. Another suggestion is to edit /etc/init/lightdm.override. I've done this and set it to "manual" as suggested, but lightdm simply ignores this. Could somebody suggest how to proceed please? Thanks very much, Leo

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  • Why is my IMAP port not showing as open ( yet it works? )

    - by Leo
    Ive recently setup Postfix and Dovecot IMAP on a Debian Lenny box. Sending to this domain works fine and reading the email via IMAP works fine too. I'm curious though as to why when running nmap, port 10143 is not shown as open. nmap -sS -O 127.0.0.1 Starting Nmap 4.62 ( http://nmap.org ) at 2011-11-26 21:30 GMT Interesting ports on localhost.localdomain (127.0.0.1): Not shown: 1711 closed ports PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 80/tcp open http 3306/tcp open mysql Am I missing something with NMAP? Thanks Leo

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  • SQL Server 2008 update License

    - by Leo
    How can I change my SQL Server 2008 license? I have the Enterprise Edition installed with a 90-day key and it will expire on 7 days. Two months ago, I purchased the final one but I don't know how to install/change to the new one. Is there a legal way to do it or I have to uninstall completely the application and reinstall it with the new license? I don't want to do that because I already have setup some stuff on the current instance. Saludos, Leo

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  • HTML Agility Pack - ReplaceNode doesn't change the InnerHTML of the Body

    - by morsanu
    Hi there, I have this The body: <body><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent leo leo, ultrices eu venenatis et, rutrum fringilla dolor.</p></body> The code: HtmlNode body = doc.DocumentNode.SelectSingleNode("//body"); Dictionary<HtmlNode, HtmlNode> toReplace = new Dictionary<HtmlNode, HtmlNode>(); // I do some logic here adding nodes to the toReplace dictionary. foreach (HtmlNode replaceNode in toReplace.Keys) { replaceNode.ParentNod.ReplaceChild(toReplace[replaceNode], replaceNode); } After i do this, the InnerHtml of the body node remains the same as from beginning, although the OutterHtml or the InnerText are showing the good result. Is there something wrong with my code? The result: // body.InnerHtml <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent leo leo, ultrices eu venenatis et, rutrum fringilla dolor.</p> // body.OutterHtml <body><p>Lorem ipsum dolor sit amet...</p></body>

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  • Additional options in MDL

    - by Jane Zhang
        The Metadata Loader(MDL) enables you to populate a new repository as well as transfer, update, or restore a backup of existing repository metadata. It consists of two utilities: metadata export and metadata import. The export utility extracts metadata objects from a repository and writes the information into a file. The import utility reads the metadata information from an exported file and inserts the metadata objects into a repository.      While the Design Client provides an intuitive UI that helps you perform the most commonly used export and import tasks, OMBPlus scripting enables you to specify some additional options, and manage a control file that allows you to perform more specialized export and import tasks. Is it possible to utilize these options in MDL from Design Client? This article will tell you how to achieve it.      A property file named mdl.properties is used to configure the additional options. It stores options in name/value pairs. This file can be created and placed under the directory <owb installation path>/owb/bin/admin/. Below we will introduce the options that can be specified in the mdl.properties file. 1. DEFAULTDIRECTORY     When we open a Metadata Export/Import dialog in Design Client, a default directory is provided for MDL file and log file. For MDL Export, the default directory is <owb installation path>/owb/bin/. As for MDL Import, the default directory is <owb installation path>/owb/mdl/. It may not be the one you would want to use as a default. You can specify the option DEFAULTDIRECTORY in the mdl.properties file to set your own default directory for MDL Export/Import, for example, DEFAULTDIRECOTRY=/tmp/     In this example, the default directory is set to /tmp/. Be sure the value ends with a file separator since it represents a directory. In Windows, the file separator is “\”. In linux, the file separator is “/”. 2. MDLTRACEFILE     Sometimes we would like to trace the whole process of MDL Export/Import, and get detailed information about operations to help developers or supports troubleshooting. To turn on MDL trace, set the option MDLTRACEFILE in the mdl.properties file. MDLTRACEFILE=/tmp/mdl.trc    The right side of the equals sign is to specify the name of the file for MDL trace information to be written. If no path is specified, the file will be placed under directory <owb installation path>/owb/bin/admin/. However, the trace file may be large if the MDL file contains a large number of metadata objects, so please use this option sparingly. 3. CONTROLFILE       We can use a control file to specify how objects are imported or exported. We can set an option called CONTROLFILE in the mdl.properties file, so the control file can also be utilized in Design Client, for example, CONTROLFILE=/tmp/mdl_control_file.ctl     The control file stores options in name/value pairs. When using control file, be sure the file exists, otherwise an exception java.lang.Exception: CNV0002-0031(ERROR): Cannot find specified file will be thrown out during MDL Export/Import.      Next we will introduce some options specified in control file. ZIPFILEFORMAT     By default, MDL exports objects into a zip format file. This zip file has an .mdl extension and contains two files. For example, you export the repository metadata into a file called projects.mdl. When you unzip this MDL file, you obtain two files. The file projects.mdx contains the repository objects. The file mdlcatalog.xml contains internal information about the MDL XML file. Another choice is to combine these two files into one unzip text format file when doing MDL exporting.    In OMBPlus command related to MDL, there is an option called FILE_FORMAT which is used to specify the file format for the exported file. Its acceptable values are ZIP or TEXT. When the value TEXT is selected, the exported file is in text format, for example, OMBEXPORT MDL_FILE '/tmp/options_file_format_test.mdl' FILE_FORMAT TEXT FROM PROJECT 'MY_PROJECT'    How to achieve this via Design Client when doing an MDL exporting? Here we have another option called ZIPFILEFORMAT which has the same function as the FILE_FORMAT. The difference is the acceptable values for ZIPFILEFORMAT are Y or N. When the value is set to N, the exported file is in text format, otherwise it is in zip file format. LOGMESSAGELEVEL     Whenever you export or import repository metadata, MDL writes diagnostic and statistical information to a log file. Their are 3 types of status messages: Informational, Warning and Error. By default, the log file includes all types of message. Sometimes, user may only care about one type of messages, for example, they would like only error messages written to the log file. In order to achieve this, we can set an option called LOGMESSAGELEVEL in control file. The acceptable values for LOGMESSAGELEVEL are ALL, WARNING and ERROR. ALL: If the option LOGMESSAGELEVEL is set to ALL, all types of messages (Informational, Warning and Error) will be written into the log file. WARNING: If the option LOGMESSAGELEVEL is set to WARNING, only warning messages will be written into log file. ERROR: If the option LOGMESSAGELEVEL is set to ERROR, only error messages will be written into log file. UPDATEPROJECTATTRIBUTES, UPDATEMODULEATTRIBUTES      These two options are used to decide whether updating the attributes of projects/modules. The options work when projects/modules being imported already exist in repository and we use update metadata mode or replace metadata mode to do the MDL import. The acceptable values for these two options are Y or N. If the value is set to Y, the attributes of projects/modules will be updated, otherwise not.      Next, let’s give an example to see how these options take effect in MDL. 1. First of all, create the property file mdl.properties under the directory <owb installation path>/owb/bin/admin/. 2. Specify the options in the mdl.properties file, see the following screenshot. 3. Create the control file mdl_control_file.ctl under the directory /tmp/. Set the following options in control file. 4. Log into the OWB Design Client. 5. Create an Oracle module named ORA_MOD_1 under the project MY_PROJECT, then export the project MY_PROJECT into file my_project.mdl. 6. Check the trace file mdl.trc under the directory /tmp/. In this file, we can see very detail information for the above export task. 7. Check the exported MDL file. The file my_project.mdl is in text format. Opening the file, you can see the content of the file directly. It concats the file my_project.mdx and mdlcatalog.xml. 8. Modify the project MY_PROJECT and Oracle module ORA_MOD_1, add descriptions for them separately. Delete the location created in step 5. 9. Import the MDL file my_project.mdl. From the Metadata Import dialog, we can see the default directory for MDL file and log file has been changed to /tmp/. Here we use update metadata mode, match by names to do the importing. 10. After importing, check the description of the project MY_PROJECT, we can see the description is still there. But the description of the Oracle module ORA_MOD_1 has gone. That because we set the option UPDATEPROJECTATTRIBUTES to N, and set the option UPDATEMODULEATTRIBUTES to Y. 11. Check the log file, the log file only contains warning messages and the log message level is set to WARNING.      For more details about the 3 types of status messages, see Oracle® Warehouse Builder Installation and Administration Guide11g Release 2.

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  • 12c??? - Active Data Guard Far Sync

    - by Jian Zhang(??)
    ?? ================ Active Data Guard Far Sync?Oracle 12c????(???Far Sync Standby),Far Sync?????????????(Primary Database)?????????Far Sync??,??(Primary Database) ??(synchronous)??redo?Far Sync??,??Far Sync????redo??(asynchronous)???????(Standby Database)???????????????????????Far Sync????????,init?????????,???????? ??redo ????Maximum Availability??,???????????(Primary Database)?????????Far Sync??,??(Primary Database)??(synchronous)??redo?Far Sync??,???????(zero data loss),?????Far Sync????,??????,??????????????Far Sync????redo??(asynchronous)???????(Standby Database)? ??redo ????Maximum Performance??,???????????(Primary Database)?????????Far Sync??,??(Primary Database) ????redo?Far Sync??,??Far Sync???????redo?????????(Standby Database)????????????????(Standby Database)??redo???(offload)? Far Sync????Data Guard ????(role transitions)????,?switchover/failover?????12c????? ???????Data Guard ????,?switchover/failover,???????????????Far Sync??,??Far Sync???????????????????? ???Far Sync???????,??????????????2?Far Sync??,???????? ???????Far Sync????? Far Sync??? ================ ????Far Sync ================ 1. ??Data Guard,???11.2??,??????«Active Database Duplication for A standby database» 2. ????Far Sync??,Far Sync????????,init?????????,???????? ??Far Sync???????,?????: SQL> ALTER DATABASE CREATE FAR SYNC INSTANCE CONTROLFILE AS '/tmp/controlfs01.ctl'; 3. ????redo?????Far Sync??,????LOG_ARCHIVE_DEST_2??: LOG_ARCHIVE_DEST_2='SERVICE=dg12cfs SYNC AFFIRM MAX_FAILURE=1 ALTERNATE=LOG_ARCHIVE_DEST_3 VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=dg12cfs' 4. ??Far Sync??????redo???,??Far Sync??LOG_ARCHIVE_DEST_2??: LOG_ARCHIVE_DEST_2='SERVICE=dg12cs ASYNC VALID_FOR=(STANDBY_LOGFILES,STANDBY_ROLE) DB_UNIQUE_NAME=dg12cs' 5. ????Far Sync???????,??????????????2?Far Sync??? 6. ???????: SQL> select * from  V$DATAGUARD_CONFIG; DB_UNIQUE_NAME       PARENT_DBUN       DEST_ROLE         CURRENT_SCN     CON_ID ------------------------------ ------------------------------     ----------------- ----------- ---------- dg12cfs                        dg12cp          FAR SYNC INSTANCE      682995          0 dg12cs                         dg12cfs         PHYSICAL STANDBY       682995          0 dg12cp                        NONE             PRIMARY DATABASE      683138          0 ????????????????:Oracle_12c_Active_Data_Guard_Far_Sync_v1.pdf

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  • Client/Server Application Using Google App Engine

    - by Kevin Zhang
    Can someone please advise me what is the possible solution of using GAE to make a Client/Serer Application? As far as I know, GAE is designed to do web applications. What I want to do is to have a Java Client(Swing based) deployed on a number of computers and deploy the server on GAE. I found an example on GAE website which teaches how to make a SOAP service using GAE, but I don't know whether using SOAP is a good idea for client/server applications. Can someone give me some hints about how to design this system and what technology should be used? Any advices are welcome. Many thanks.

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  • Oracle ??????????? -2012?4??: Composite Patches

    - by James Zhang
      ???????DBA?????????????bundle patches, ??Patch Set Updates(PSU)????????,??oracle??????bundle patches,??PSU,??,??????????????,???????????????????(one-off patch),????overlay patches,???????????????   Oracle?????????,???2012?4???Database PSU 11.2.0.3.2??,??????patch??Composite Patches. Composite Patches ??:    * ?????    * ?????????overlay patches???    ?????????composite patches??,???????????????:Patch Set Update : ??????Cumulative patch(????),????, EM ??????????????????Patch Conflict   : 2??????????????,???????????Cumulative Patch : ????????,?????bug???,????Cumulative Patch?????????Cumulative PatchInterim Patch    : ???????????????Overlay Patch    : ?????????????,????????,????PSU???? ?merge patch??Sub-patch        : ??composite patch??2?????sub-patches?? ???Composite Patches?Composite Patches?????????,???????cumulative patch????composite patch?????Composite Patch?????????????. Composite Patches????????,Composite Patches???PSU??Bundle Patch????????????????????Composite Patches,???Composite Patches??????patch???????????Composite Patches,?????????Composite Patches???????????patches?????????overlay patches?Composite Patches???,???????overlay patches,???????,????overlay patches,???????????Composite Patches??overlay patches. cumulative patch?composite patch??????:* Cumulative Patch1.????Cumulative Patch?,??????????Cumulative Patch.2.???????overlay patches,?????overlay patches,??overlay patches?????cumulative patch??,???????cumulative patch??overlay patches,??????cumulative patch???overlay patches* Composite Patch1.???????????composite Patch,?????????Composite Patches??????2.???????overlay patches???cumulative patch???,???????overlay patches,??????cumulative patch. ????,?????overlay patches,??????cumulative patch??overlay patches? ???????????sub-patches??composite patch????????overlay patches* 11.2.0.3.1, 11.2.0.3.2, 11.2.0.3.3, 11.2.0.3.4 (??????) ??composite patch 11.2.0.3.4(?????)????(sub-patches)?????composite patch?,??sub-patches?????,?????????Composite Patch?????????????,??composite patch??????? * Overlay patches?composite patch(????) ???,?????overlay patch,????????composite patch????overly patch * ???11.2.0.3.4 ?,Overlay patches?composite patch(??????????)??,?????overlay patch,?????11.2.0.3.4 ??overlay patches,????11.2.0.3.4???overaly patches? ???PSU 11.2.0.3.2??????composite??????PSU, ?????composite patch?????,?????????newletter???????????,??????????:    Video - Bundle Patch Improvement - Composite Patching (03:43) [Trouble seeing this video?]    * Note 1376691.1 Composite Patches for Oracle Products (includes the brief informative video above)    * Note 854428.1   Patch Set Updates for Oracle Products    * Note 1299688.1 Patch conflict resolution    * Note 1321267.1 Database Patch conflict resolution

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  • Why isn't cron running my script?

    - by Jingqiang Zhang
    Now I want to use Backup and Whenever gem to automatic backup my database. When I connect the server by ssh as an added user to run backup perform -t my_backup,it works well.But the cron file: 0 22 * * * /bin/bash -l -c 'backup perform -t my_backup' can't run at 22:00. When I use cat /etc/crontab check the cron's config file,it is: SHELL=/bin/sh PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin # m h dom mon dow user command 17 * * * * root cd / && run-parts --report /etc/cron.hourly 25 6 * * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily ) 47 6 * * 7 root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly ) 52 6 1 * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly ) # The /bin/bash and /bin/sh are different.What's the reason?How to do?

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  • "Not enough free swap" error when trying to hibernate

    - by Spirit Zhang
    I recently upgraded from 11.04 to 11.10, but I get "Not enough free swap" error when trying to put my laptop to hibernation. I have 2G of physical memory and 3G for swap. Besides, the hibernate works fine in 11.04. So what might be the problem ? Thanks in advance. UPDATE: The error happens when I try to hibernate. And the memoinfo is here: SwapCached: 0 kB SwapTotal: 4028604 kB SwapFree: 4028604 kB

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  • What is the reason that can't cron automatic run?

    - by Jingqiang Zhang
    OS : Ubuntu 12.04 Now I want to use Backup and Whenever gem to automatic backup my database. When I connect the server by ssh as an added user to run backup perform -t my_backup,it works well.But the cron file: 0 22 * * * /bin/bash -l -c 'backup perform -t my_backup' can't run at 22:00. When I use cat /etc/crontab check the cron's config file,it is: SHELL=/bin/sh PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin # m h dom mon dow user command 17 * * * * root cd / && run-parts --report /etc/cron.hourly 25 6 * * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily ) 47 6 * * 7 root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly ) 52 6 1 * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly ) # The /bin/bash and /bin/sh are different.What's the reason?How to do?

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  • Data Guard - Snapshot Standby Database??

    - by Jian Zhang-Oracle
    ?? -------- ?????,??standby?????mount??????????REDO??,??standby????????????????????,???????read-only???open????,????ACTIVE DATA GUARD,????standby?????????(read-only)??(????????),????standby???????????(read-write)? ?????,?????????????Real Application Testing(RAT)??????????,?????????standby??????snapshot standby?????????,??snapshot standby??????????,???????????(read-write)??????snapshot standby??????????????,?????????,??????????,????????,?????????snapshot standby?????standby???,????????? ?? ---------  1.??standby?????? SQL> Alter system set db_recovery_file_dest_size=500M; System altered. SQL> Alter system set db_recovery_file_dest='/u01/app/oracle/snapshot_standby'; System altered. 2.??standby?????? SQL> alter database recover managed standby database cancel; Database altered. 3.??standby???snapshot standby,??open snapshot standby SQL> alter database convert to snapshot standby; Database altered. SQL> alter database open;    Database altered. ??snapshot standby??????SNAPSHOT STANDBY,open???READ WRITE: SQL> select DATABASE_ROLE,name,OPEN_MODE from v$database; DATABASE_ROLE    NAME      OPEN_MODE ---------------- --------- -------------------- SNAPSHOT STANDBY FSDB      READ WRITE 4.?snapshot standby???????????Real Application Testing(RAT)????????? 5.?????,??snapshot standby???physical standby,?????????? SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down. SQL> startup mount; ORACLE instance started. Database mounted. SQL> ALTER DATABASE CONVERT TO PHYSICAL STANDBY; Database altered. SQL> shutdown immediate; ORA-01507: database not mounted ORACLE instance shut down. SQL> startup mount; ORACLE instance started. Database mounted. SQL>ALTER DATABASE RECOVER MANAGED STANDBY DATABASE DISCONNECT FROM SESSION; Database altered. 5.?????standby?,???????PHYSICAL STANDBY,open???MOUNTED SQL> select DATABASE_ROLE,name,OPEN_MODE from v$database; DATABASE_ROLE    NAME      OPEN_MODE ---------------- --------- -------------------- PHYSICAL STANDBY FSDB      MOUNTED 6.??????????????? ????: SQL> select ads.dest_id,max(sequence#) "Current Sequence",            max(log_sequence) "Last Archived"        from v$archived_log al, v$archive_dest ad, v$archive_dest_status ads        where ad.dest_id=al.dest_id        and al.dest_id=ads.dest_id        and al.resetlogs_change#=(select max(resetlogs_change#) from v$archived_log )        group by ads.dest_id;    DEST_ID Current Sequence Last Archived ---------- ---------------- -------------      1              361           361      2              361           362 --???? SQL>    select al.thrd "Thread", almax "Last Seq Received", lhmax "Last Seq Applied"       from (select thread# thrd, max(sequence#) almax           from v$archived_log           where resetlogs_change#=(select resetlogs_change# from v$database)           group by thread#) al,          (select thread# thrd, max(sequence#) lhmax           from v$log_history           where resetlogs_change#=(select resetlogs_change# from v$database)           group by thread#) lh      where al.thrd = lh.thrd;     Thread Last Seq Received Last Seq Applied ---------- ----------------- ----------------          1               361              361 ??????????,???blog,???????????,??"??:Data Guard - Snapshot Standby Database??" 

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  • My C#.NET application is running slower when the exe is located on the network

    - by leo
    Hi, My C#.NET application is running much slower when the exe is located on the network. And I'm talking about everything, even the graphical dispay is slower. For example: when a form is already loaded, if I unplug my network cable and minimize and maximize the window, it takes a very long time to redraw itself. I'm using framework .NET 3.5 SP1. Any idea on the cause? My hypothesis so far: I'm missing some options when building the app? my corporate antivirus checks more stuff because the exe is on the network the cache of Windows XP SP3 doesn't work the same way when the exe is on the network the server is a Novell server: maybe this does change something ? Thanks for your help! Leo

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  • JDBC connections: How to specify the port for data-transfer?

    - by LeO
    I wanto to run my JDBC-connection (either Oracle or MSSQL) through a proxy-server. Reason for this is to have additional controls of the traffic, especially for developing. I know, I could specify the proxy, which runs on my machine, and the port in the connection-string. But the specified connection-settings are only taken as some kind of handshake to agree on which port the data is finally transferred. And this is defenitly not the port which I have under proxy-control. So, does anybody have an idea, how to specify the port for the data-transfer? I would prefer if this could be done in the connection-string. The same issue applies for Oracle and MSSQL. Thx LeO

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  • Header already sent error in PHP joomla

    - by Leo
    hi all, $dbhost = 'localhost'; $dbuser = 'EhpEngineUser'; $dbpass = 'password'; $conn = mysql_pconnect($dbhost, $dbuser, $dbpass) or die ('Error connecting to mysql'); $dbname = 'joomladb'; mysql_select_db($dbname); // include 'config.php'; // include 'opendb.php'; above code works fine, if i comment DB connection part and inculde config.db and Opendb, then i get the error as Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\Joomla\Config.php:8) in C:\xampp\htdocs\Joomla\ConfXml.php on line 103 Both file are used for opening DB only. regards, Leo

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