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  • Migrating Windows 2003 File Server Cluster to Windows 2008 R2 Standalone?

    - by Tatas
    We have a situation where we have an aging Windows 2003 File Server Cluster that we'd like to move to a standalone Windows Server 2008 R2 VM that resides in our Hyper-V R2 installation. We see no need to keep the Clustering as Hyper-V is now providing our Failover/Redundancy. Usually, in a standalone file server migration we migrate the data, preserving NTFS permissions and then export the sharing permissions from the registry and import them on the new server. This does not appear possible in this instance, as the 2003 cluster stores the sharing permissions quite differently. My question is, how would one perform this type of migration? Is it even possible? My current lead is the File Server Migration Toolkit, however I can find no information on the net about migrating from cluster to standalone, only the opposite. Please help. UPDATE: We ended up getting the data copied over (permissions intact), but had to recreate the shares manually by hand. It was a bit of a pain but it did in the end work out.

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  • Form generator and data capture PHP application

    - by Tom
    Hi, Does anyone know of a PHP open source which can generate forms to be deployed across your website. These forms will collect and aggregate the data with in on database. There should also be the functionality to search across the forms (to generate reports and newsletter mailing lists) All the services I have found so far have been hosted solutions. Thanks Tom

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  • Asp.Net Dynamic Data + Complex Types

    - by Feryt
    Hi. Is there any way how to work with complex types in asp.net dynamic data web site? If we have Entity(ie from EF) "Person" with complex type "Address", "Table.GetScaffoldColumns()" does not returns comlumns for property of type "Address". Thank you.

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  • c# order preserving data structures

    - by Oren Mazor
    Oddly enough, MSDN has no information on the order preserving properties of data structures. So I've been making the assumption that: Hashtable and Hashset do not preserve the insertion order (aka the "hash" in there is a giveaway) Dictionary and List DO preserve the insertion order. from this I extrapolate that if I have a Dictionary<double,double> foo that defines a curve, foo.Keys.ToList() and foo.Values.ToList() will give me an ordered list of the scope and domain of that curve without messing about with it?

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  • Importing json data into MySQL?

    - by AP257
    Pretty much what the title says :) At the moment I'm using Python to turn the json data into a plain-text tab-separated file, and then mysqlimport to pull that into my MySQL tables. Anyone know a nicer / more direct way?

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  • Tab control in Silverlight 3.0 and Dirty data

    - by Vinayak Bhosale
    We are using tab control in our project. While using this control i came across a few issues like - When the tab control loads, it invokes constructor of all the xaml pages that form the individual tabs. Can this be avoided? Is there any event with tab control that we can use to identify dirty data on the previous tab that i may have visited. I mean can i prevent user from navigating to some other tab before saving the changes on current tab.

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  • A couple questions using fwrite/fread with data structures

    - by Nazgulled
    Hi, I'm using fwrite() and fread() for the first time to write some data structures to disk and I have a couple of questions about best practices and proper ways of doing things. What I'm writing to disk (so I can later read it back) is all user profiles inserted in a Graph structure. Each graph vertex is of the following type: typedef struct sUserProfile { char name[NAME_SZ]; char address[ADDRESS_SZ]; int socialNumber; char password[PASSWORD_SZ]; HashTable *mailbox; short msgCount; } UserProfile; And this is how I'm currently writing all the profiles to disk: void ioWriteNetworkState(SocialNetwork *social) { Vertex *currPtr = social->usersNetwork->vertices; UserProfile *user; FILE *fp = fopen("save/profiles.dat", "w"); if(!fp) { perror("fopen"); exit(EXIT_FAILURE); } fwrite(&(social->usersCount), sizeof(int), 1, fp); while(currPtr) { user = (UserProfile*)currPtr->value; fwrite(&(user->socialNumber), sizeof(int), 1, fp); fwrite(user->name, sizeof(char)*strlen(user->name), 1, fp); fwrite(user->address, sizeof(char)*strlen(user->address), 1, fp); fwrite(user->password, sizeof(char)*strlen(user->password), 1, fp); fwrite(&(user->msgCount), sizeof(short), 1, fp); break; currPtr = currPtr->next; } fclose(fp); } Notes: The first fwrite() you see will write the total user count in the graph so I know how much data I need to read back. The break is there for testing purposes. There's thousands of users and I'm still experimenting with the code. My questions: After reading this I decided to use fwrite() on each element instead of writing the whole structure. I also avoid writing the pointer to to the mailbox as I don't need to save that pointer. So, is this the way to go? Multiple fwrite()'s instead of a global one for the whole structure? Isn't that slower? How do I read back this content? I know I have to use fread() but I don't know the size of the strings, cause I used strlen() to write them. I could write the output of strlen() before writing the string, but is there any better way without extra writes?

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  • Data mining textbook

    - by lmsasu
    If you followed a DM course, which textbook was used? I know about Data Mining: Practical Machine Learning Tools and Techniques (Second Edition) and this poll. What did you effectively use?

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  • I need help with creating a data structure in PHP

    - by alex
    What I need to do is have a data structure that shows jobs organised into 14 day periods, but only when an id is the same. I've implemented all sorts of stuff, but they have failed miserably. Ideally, maybe a SQL expert could handle all of this in the query. Here is some of my code. You can assume all library stuff works as expected. $query = 'SELECT date, rig_id, comments FROM dor ORDER BY date DESC'; $dors = Db::query(Database::SELECT, $query)->execute()->as_array(); This will return all jobs, but I need to have them organised by 14 day period with the same rig_id value. $hitches = array(); foreach($dors as $dor) { $rigId = $dor['rig_id']; $date = strtotime($dor['date']); if (empty($hitches)) { $hitches[] = array( 'rigId' => $rigId, 'startDate' => $date, 'dors' => array($dor) ); } else { $found = false; foreach($hitches as $key => $hitch) { $hitchStartDate = $hitch['startDate']; $dateDifference = abs($hitchStartDate - $date); $isSameHitchTimeFrame = $dateDifference < (Date::DAY * 14); if ($rigId == $hitch['rigId'] AND $isSameHitchTimeFrame) { $found = true; $hitches[$key]['dors'][] = $dor; } } if ($found === false) { $hitches[] = array( 'rigId' => $rigId, 'startDate' => $date, 'dors' => array($dor) ); } } } This seems to work OK splitting up by rig_id, but not by date. I also think I'm doing it wrong because I need to check the earliest date. Is it possible at all to do any of this in the database query? To recap, here is my problem I have a list of jobs with all have a rig_id (many jobs can have the same) and a date. I need the data to be organised into hitches. That is, the rig_id must be the same per hitch, and they must span a 14 day period, in which the next 14 days with the same rig_id will be a new hitch. Can someone please point me on the right track? Cheers

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  • Normalization of database for timesheet tool and ensure data integrity

    - by fireeyedboy
    I'm creating a timesheet application. I have the following entities (amongst others): Company Employee = an employee associated with a company Client = a client associated with a company So far I have the following (abbreviated) database setup: Company - id - name Employee - id - companyId (FK to Company.id) - name Client - id - companyId (FK to Company.id) - name Now, I want an employee to be associated with a client, but only if that client is associated with the company the employee works for. How would you guarantee this data integrity on a database level? Or should I just depend on the application to guarantee this data integrity? I thought about creating a many to many table like this: EmployeeClient - employeeId (FK to Employee.id) - companyId \ (combined FK to Client.companyId, Client.id) - clientId / Thus, when I insert a client for an employee along with the employee's company id, the database should prevent this when the client is not associated with the employee's company id. Does this make sense? Because this still doesn't guarantee the employee is associated with the company. How do you deal with these things? UPDATE The scenario is as followed: A company has multiple employees. Employees will only be linked to one company. A company has multiple clients also. Clients will only be linked to one company. (Company is a sandbox, so to speak). An employee of a company can be linked to a client of it's company, but only if the client is part of the company's clientele. In other words: The application will allow a company to create/add employees and create/add clients (hence the companyId FK in the Employee and Client tables). Next, the company will be allowed to assign certain clients to certain of it's employees (EmployeeClient table). Imagine an employee working on projects for a few clients for which s/he can write billable hours, but the employee must not be allowed to write billable hours for clients they are not assigned to by their employer (the company). So, employees will not automatically have access to all their company's clients, but only to those that the company has selected for them. Hopefully this has shed some more light on the matter.

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  • How to display data uri scheme into a C# WebBrowser Controler

    - by Emanuel
    How can I show an image base64 encoded using WebBrowser control in C#? I used the following code: <img src="data:image/gif;base64,/9j/4AAQSkZJRgABAgAAZABkAA7AAR R894ADkFkb2JlAGTAAAAAAfbAIQABAMDAwMDBAMDBAYEAwQGBwUEBAUHCAYGBw ... uhWkvoJfQO2z/rf4VpL6CX0Dts/63+FaS+gl9A7bP+tthWkvoJfQODCde4qfcg RiNWK3UyUeX9CXpHU43diOK915X5fG/reux5hUAUBftZ" /> but no image is displayed. One solution would be to save images locally and using absolute path, but this is not desirable. Any idea? Thanks.

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  • Database Security: The First Step in Pre-Emptive Data Leak Prevention

    - by roxana.bradescu
    With WikiLeaks raising awareness around information leaks and the harm they can cause, many organization are taking stock of their own information leak protection (ILP) strategies in 2011. A report by IDC on data leak prevention stated: Increasing database security is one of the most efficient and cost-effective measures an organization can take to prevent data leaks. By utilizing the data protection, access control, account management, encryption, log management, and other security controls inherent in the database management system, entities can institute first-level control over the widest range of protected information. As a central repository for unstructured data, which is growing at leaps and bounds, the database should be the first layer providing information leakage protection. Unfortunately, most organizations are not taking sufficient steps to protect their databases according to a survey of the Independent Oracle User Group. For example, any operating system administrator or database administrator can access the all the data stored in the database in most organizations. Without any kind of auditing or monitoring. And it's not just administrators, database users can typically access the database with ad-hoc query tools from their desktop and by-pass any application level controls. Despite numerous regulations calling for controls to limit the powers of insiders, most organizations still put too many privileges in the hands of their employees. Time and time again these excess privileges have backfired. Internal agents were implicated in almost half of data breaches according to the Verizon Data Breach Investigations Report and the rate is rising. Hackers also took advantage of these excess privileges very successfully using stolen credentials and SQL injection attacks. But back to the insiders. Who are these insiders and why do they do it? In 2002, the U.S. Secret Service (USSS) behavioral psychologists and CERT information security experts formed the Insider Threat Study team to examine insider threat cases that occurred in US critical infrastructure sectors, and examined them from both a technical and a behavioral perspective. A series of fascinating reports has been published as a result of this work. You can learn more by watching the ISSA Insider Threat Web Conference. So as your organization starts to look at data leak prevention over the coming year, start off by protecting your data at the source - your databases. IDC went on to say: Any enterprise looking to improve its competitiveness, regulatory compliance, and overall data security should consider Oracle's offerings, not only because of their database management capabilities but also because they provide tools that are the first layer of information leak prevention. Learn more about Oracle Database Security solutions and get the whitepapers, demos, tutorials, and more that you need to protect data privacy from internal and external threats.

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  • pthread and child process data sharing in C

    - by mustafabattal
    hi everyone, my question is somewhat conceptual, how is parent process' data shared with child process created by a "fork()" call or with a thread created by "pthread_create()" for example, are global variables directly passed into child process and if so, does modification on that variable made by child process effect value of it in parent process? i appreciate partial and complete answers in advance, if i'm missing any existing resource, i'm sorry, i've done some search on google but couldn't find good results thanks again for your time and answers

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  • Need some information regarding data warehousing field

    - by Mirage
    I am a web developer and i would like to shift my field to data warehousing. Can anyone please give me some idea , which langauges or stuff i need to learn like cogonos , datastage, etl or IF anyone currently working can guide me how can i start , i will thankful to you. DO i nned to do oracle because i know mysql , sql. My basic understanding with databse is good. Any books

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  • ADO.NET Data Services for MySQL

    - by Shalan
    Hey! I've searched high and low for this, and no luck. Is there a way that CRUD methods for a MySQL install (Linux box) be exposed via ADO.NET WCF Data Services? I would really love to leverage this in my WPF app :) Thank u!

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