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  • Change permission for ALL folders and files

    - by Xweque
    I've been around Ubuntu for not too long now and I'm getting tired of a thing I used to accept. When I installed Apache and PHP on Ubuntu it was done with root meaning it got permission. So I changed that to me. Now I've just copied a big number of files, (PHP), to be viewed and edited in these directories. Now my problem: I can not view the files from var/www/ because it requires, for some reason, everyone to have access to the files. Not only me, or my group but everyone. No one else is using the computer but me, so I'm cool with it. Though I need a command to change ALL files permission recursively. When I've browsed the questions already been answered I find for example chown -R viktor:viktor /var/www/, or using sudo as well. This worked on the single var/www and the folders inside but not the files inside the folders and very odd I notice I can't do the same thing on example /var/www/dev/.

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  • SQLAuthority News SQL Server Modeling CTP Nov 2009 Release 2 (formerly Oslo)

    SQL Server Modeling (formerly code name “Oslo”) is a set of future technologies that provide significant productivity gains across the lifecycle of .NET applications by enabling developers, architects, and IT professionals to work together more effectively with SQL Server at the center of the application lifecycle.SQL Server Modeling CTP Nov 2009 Release 2 is a [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Ubuntu One downloads already existing files

    - by Islam Hassan
    I've uploaded some files to Ubuntu One from my home laptop and begin to download it on my work laptop. Then I've got a USB and copied these files directly through the USB driver. My problem now is that Ubuntu One still downloading these files although I've copied them to Ubuntu One folder. I need it to consider the already existing files as synced and don't download it again. And I need Ubuntu One for further use so I can't simply quit it. How could I mark the already existing files as synced ?

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  • APEX User und Workspaces mit dem SQL Developer verwalten

    - by carstenczarski
    Dass der Oracle SQL Developer auch eine Unterstützung für Application Express-Anwendungen mitbringt, ist den meisten sicherlich bekannt. In diesem Tipp zeigen wir Ihnen, wie Sie den SQL Developer so erweitern können, dass noch mehr APEX-Operationen möglich werden. Dabei geht es insbesondere um folgende Aufgaben: Workspaces erstellen Schemas zu Workspaces zuordnen oder Zuordnungen löschen Workspace-User ansehen Workspace-User erstellen oder löschen Workspace-User sperren oder entsperren Passwörter für Workspace-User neu setzen Lesen Sie in unserem aktuellen Tipp, wie Sie Ihren SQL Developer um ein APEX Workspace Management erweitern können.

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  • Sql Server Prevent Saving Changes That Require Table to be Re-created

    When working with SQL Server Management studio, if you use the Design view of a table and attempt to make a change that will require the table to be dropped and re-added, you may receive an error message like this one: Saving changes is not permitted.  The changes you have made require the following tables to be dropped and re-created.  You have either made changes to a table that cant be re-created or enabled the option Prevent saving changes that require the table to be re-created. In truth, its quite likely that you didnt enable such an option, despite the error dialogs accusations, as it is enabled by default when you install SQL Management Studio.  You can learn more about the issue in the KB article, Error message when you try to save a table in SQL Server 2008: Saving changes is not permitted. Warning: As the above article states, it is not recommended that you turn off this option (at least not permanently), as it will ensure that you do not accidentally change the schema of a table such that data is lost.  Do so at your peril. The simplest way to bypass this error is to go into Option Designers and uncheck the option Prevent saving changes that require table re-creation.  See the screenshot below. The main reason why you will see this error is if you attempted to do any of the following to the table whose design you are saving: Change the Allow Nulls setting for a column Reorder columns Change any columns data type Add a new column The recommended workaround is to script out the changes to a SQL file and execute them by hand, or to simply write out your own T-SQL to make the changes. Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Rhythmbox won't import or play flac files

    - by Dan Drake
    I have a new installation of 12.04 and I just copied over all my music to the ~/Music folder. Rhythmbox found all the mp3 and ogg files, but it refuses to import flac files. They simply do not appear in my music library. If I start Rhythmbox on the command line and try to import a folder that contains flac files, absolutely nothing happens. Nothing is imported; no error messages. I have all the dependencies for Rhythmbox installed, along with all the suggested and recommended packages. I can play a flac file with gst-launch-0.10 and gst-typefind-0.10 correctly identifies flac files as audo/x-flac. Why does Rhythmbox refuse to see flac files? What can I do to find out what is happening?

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  • How To Delete, Move, or Rename Locked Files in Windows

    - by Chris Hoffman
    Windows won’t allow you to modify files that open programs have locked. if you try to delete a file and see a message that it’s open in a program, you’ll have to unlock the file (or close the program). In some cases, it may not be clear which program has locked a file – or a background process may have locked a file and not terminated correctly. You must unlock the stubborn file or folder to modify it. Note: Unlocking certain files and deleting them may cause problems with open programs. Don’t unlock and delete files that should remain locked, including Windows system files. How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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  • Oracle Magazine: Getting started with SQL Analytics

    - by KLaker
    I am currently working on a series of podcasts covering the broad categories of our SQL analytical functions and features and while I was doing some research I came across of series of four articles in the Oracle Magazine. This series of article is written by Melanie Caffrey who is a senior development manager at Oracle. She is a coauthor of Expert PL/SQL Practices for Oracle Developers and DBAs (Apress, 2011) and Expert Oracle Practices: Oracle Database Administration from the Oak Table (Apress, 2010). The four articles are under the banner "Technology: SQL 101" and parts 9, 10, 11 and 12 cover SQL analytics. Here are the links to the four articles: Jan 2013 Having Sums, Averages, and Other Grouped Data March 2013 A Window into the World of Analytic Functions May 2013 Leading Ranks and Lagging Percentages: Analytic Functions, Continued July 2013 Pivotal Access to Your Data: Analytic Functions, Concluded The articles cover topics such as GROUP BY, SUM, AVG, HAVING, window functions, RANK, FIRST, LAST, LAG, LEAD etc.   The great news is that  you can try out the examples in this series. All you need is access to an Oracle Database instance. All the schemas, data sets and SQL statements that you will need can be downloaded from a link included in the January article.    I hope you find this series of articles useful.

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  • SQL CE 3.5 and the ‘SELECT TOP’ Query

    - by stevewarren
    Finally! SQL CE 3.5 now supports the ‘TOP’ keyword. However, there is a trick to this: you must surround the number with parenthesis. For example, in regular T-SQL you would write SELECT TOP N [col] FROM [table] However, in SQL CE 3.5 you must write SELECT TOP (N) [col] FROM [table]

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  • SQL Azure Down - how I got labs.red-gate.com back up

    - by Richard Mitchell
    11:06am - Currently SQL Azure in western europe is down How do I know this? Well on labs.red-gate.com (my Azure website) I have elmah installed which started sending me e-mails about connection failures from 10:40am when trying to get the dynamic content from the database (I was too busy playing with my new Eee Pad transformer to notice immediately). Going to the website confirmed the failure and trying to connect to SQL Azure from SQL Server Management studio and the Management confirmed bad...(read more)

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  • Actually utilizing relational databases for entity systems

    - by Marc Müller
    Recently I was researching several entity systems and obviously I came across T=Machine's fantastic articles on the subject. In Part 5 of the series the author uses a relational schema to explain how an entity system is built and works. Since reading this, I have been wondering whether or not actually using a compact SQL library would be fast enough for real-time usage in video games. Performance seems to be the main issue with a full blown SQL database for management of all entities and components. However, as mentioned in T=Machine's post, basically all access to data inside the SQLDB is done sequentlially by each system over each component. Additionally, using a library like SQLite, one could easily improve performance by storing the entity data exclusively in RAM to increase access speeds. Disregarding possible performance issues, using a SQL database, in my opinion, would allow for a very intuitive implementation of entity systems and bring a long certain other benefits like easy de/serialization of game states and consistency checks like the uniqueness of entity IDs. Edit for clarification: The main question was whether using a SQL database for the actual entity management (not just storing the game state on the disk) in a real-time game would still yield a framerate appropriate for a game or even if someone is aware of projects that demonstrate SQL in a video game.

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  • SQL Injection Attacks are still occurring

    - by TATWORTH
    It should be of concern to all developers that SQL Injection attacks are still occurring. Here are some resources on the subject: http://www.darkreading.com/DatabaseSecurity/util/4576/download.html (needs free registration) http://en.wikipedia.org/wiki/SQL_injection http://www.unixwiz.net/techtips/sql-injection.html http://msdn.microsoft.com/en-us/library/ms161953.aspx http://www.sitepoint.com/sql-injection-attacks-safe/ And for a funny view on it see http://xkcd.com/327/ So what are you doing to harden your applications?

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  • Update from Ola Hallengren: Target multiple devices during SQL Server backup

    - by Greg Low
    Ola has produced another update of his database management scripts. If you haven't taken a look at them, you should. At the very least, they'll give you good ideas about what to implement and how others have done so. The latest update allows targeting multiple devices during backup. This is available in native SQL Server backup and can be helpful with very large databases. Ola's scripts now support it as well.Details are here: http://ola.hallengren.com/sql-server-backup.html http://ola.hallengren.com/versions.html The following example shows it backing up to 4 files on 4 drives, one file on each drive:EXECUTE dbo.DatabaseBackup@Databases = 'USER_DATABASES',@Directory = 'C:\Backup, D:\Backup, E:\Backup, F:\Backup',@BackupType = 'FULL',@Compress = 'Y',@NumberOfFiles = 4And this example shows backing up to 16 files on 4 drives, 4 files on each drive: EXECUTE dbo.DatabaseBackup@Databases = 'USER_DATABASES',@Directory = 'C:\Backup, D:\Backup, E:\Backup, F:\Backup',@BackupType = 'FULL',@Compress = 'Y',@NumberOfFiles = 16Ola mentioned that you can now back up to up to 64 drives. 

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  • SQLAuthority News Bookmark Deprecated Database Engine Features in SQL Server 2008

    When anybody asked me if any specific feature is available in SQL Server 2008 or if any feature will be disabled in future versions of SQL Server, I always point everybody to following list where all the deprecated database engine features are listed. Deprecated Database Engine Features in SQL Server 2008 R2 Deprecated Database Engine [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Livros oficiais Microsoft para download

    - by johnywercley
    A MSPress liberou download dos livros Introducing Microsoft SQL Server 2008 R2 e Understanding Virtualization Solutions from Desktop to the Datacenter . O download foi permitido por alguns dias depois será bloqueado. Introducing Microsoft SQL Server 2008 R2 216 páginas do livro são: PART I Database Administration CHAPTER 1 SQL Server 2008 R2 Editions and Enhancements CHAPTER 2 Multi-Server Administration CHAPTER 3 Data-Tier Applications CHAPTER 4 High Availability and Virtualization Enhancements...(read more)

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  • Auditing made easy by Microsoft SQL Server 2008

    Microsoft SQL Server 2008 made the life of a DBA easier by providing an enhanced auditing feature, "SQL Server Audit". The first article of this series illustrates the various components for auditing and the action groups provided by Microsoft SQL Server 2008.

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  • Mounting NFS directory causes creating Zero byte files

    - by Alaa
    I have two Servers, Server X (IP 192.168.1.1) and Server Y (IP 192.168.1.2), both of them are ubuntu 9.1 i have created varnish load balancer on them for my drupal website (pressflow 6.22) I have mounted a directory of imagecache from server X to Y as below @X:/etc/exports == /var/www/proj/htdocs/sites/default/files/images 192.168.1.2(rw,async,no_subtree_check) @Y:/etc/fstab == 192.168.1.1:/var/www/proj/htdocs/sites/default/files/images var/www/proj/htdocs/sites/default/files/images nfs defaults 0 0 also i made this on server X X:/var/www/proj/htdocs/sites/default/files$ chmod -R 777 images i tried to touch, rm, vim, and cat files in images directory that has been mounted on Y and everything went fine. now, ALWAYS when server Y's imagecache tries to create an image in images directory, the image is created with ZERO byte file size. anyone face the same before? any idea of how to fix this problem or what might cause it? Thanks for your help

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  • Copy only folders not files?

    - by Shannon
    Is there a way to copy an entire directory, but only the folders? I have a corrupt file somewhere in my directory which is causing my hard disks to fail. So instead of copying the corrupt file to another hard disk, I wanted to just copy the folders, because I have scripts that search for hundreds of folders, and I don't want to have to manually create them all. I did search the cp manual, but couldn't see anything (I may have missed it) Say I have this structure on my failed HDD: dir1 files dir2 files files dir4 dir3 files All I a want is the directory structure, not any files at all. So I'd end up with on the new HDD: dir1 dir2 dir4 dir3 Hoping someone knows some tricks!

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  • Java or C# for a PL/SQL Developer

    - by OracleDeveloper
    Hello, Can you Please suggest as what should be my next carrer move , I am an Oracle Developer , I worked in Forms and reports and know good PL/SQL and SQL. Now , I am thinking to learn new technology as there no jobs in PL/SQL alone and Oracle front-end Forms and reports are on the verge of extinction. The issue is that I have with Java is its HUGE and I need to learn a lot many other technologies as well ( struts , hibernate , spring etc ) in addtion to adv java and Java EE coming. I am think as which technology can give with edge , with PL/SQL and Oracle ... Thank you.

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  • RabbitVCS displaying unchanged files on commit

    - by misterjinx
    I have a strange problem with RabbitVCS. I'm inside a working copy directory and I want to commit some files. When I click the commit button, the commit window shows up, but there is a strange situation. Even though I have modified just a few files, the commit window is displaying all the files and directories inside working copy and the checkbox is ticked for each of them, like those files need to be committed. But those files were not changed and already exist in the repo. Please see the image below to understand what I'm saying (the only file that is unversioned/was changed is .htaccess, therefore it should have been the only file listed there). Has this happened to anyone ? It is a bug with RabbitVCS (and probably a solution exists) or am I doing something wrong ?

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  • Small-scale database options for .NET

    - by raney
    I have a .NET 4.0/WPF based application I've developed and maintain for my company that acts as a friendly GUI central-point-of-information, combining information pulled from a couple of SQL databases, as well as CSV exports from a few other applications. I would like to build out my own database to support the entirety of the information that the application accesses, so that I could have a service running on my server that would read in necessary remote SQL info and file exports, to provide the user's application with a single database to connect to, as well as to remove all of the file handling currently involved in the program (copying new CSV resources from network location, reading them into memory each launch.) I have complete control and flexibility here as long as the user's experience isn't affected, and this is as much a learning experience as it is tidying up. Caveat being, I don't have much in the way of a budget. Right now I recognize my options to be: SQL Express - I'm comfortable with the server setup, I like ADO.NET and LINQ to SQL. I feel that I have the least to learn here, but it would let me focus on SQL in a familiar environment. Perhaps in conjunction with Entity Framework? MongoDB - I don't know a whole lot about, but I've heard the name enough to make me curious. Brief research seems friendly enough, and there is .NET support. I like working with open source projects. My questions are: What's popular and extensible right now? I'm not far from starting to job-hunt, and I'd like this project to be relevant going forward. What am I missing? Pros, cons? Other options? What plays well with .NET? What are the things I should be considering, the questions I should be asking, when making a decision like this? Thanks for your time.

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  • SQL Auto Close Options

    - by Dave Noderer
    Found an interesting thing that others have run across but it is the first time I’ve seen it. A customer emailed to say that the SQL 2008 db that I had helped him with seemed to be going into recovery mode on a regular basis while watching the SQL Management Studio screen. Needless to say he was a bit nervous and about to take some drastic steps. Eventually he found that the Auto Close option was set to true. When this is set to true, the database automatically closes all connections and unlocks the mdf file after 300 milliseconds. When a new connection is made it spins backup… Great for xcopy deployment on a client machine but not a multi-user server based application. So the warning… if you have started a database with SQL express and then move it to a production SQL server, make sure you check that the Auto Close option is set to false. See options screen below:

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  • Developing and Deploying with SQL Azure

    Microsoft published a short SQL Azure deployment document: This document provides guidelines on how to deploy an existing on-premise SQL Server database into SQL Azure. It also discusses best practices related to data migration. Download it here var addthis_pub="guybarrette";...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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