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  • Sending a Java object from my Android phone to my Computer

    - by TehGoose
    Hi, I was wondering what the simplest program for sending an object from my Andriod phone to my computer wirelessly (via LAN) would be. I have created Java RMI programs with a server and multiple clients, so I have a grasp of the concept. However with android I'm just not sure where to start. What I am aiming to do is send some sort of information (could simply be text) to my computer and my computer will do an action. I have the GUI interface's and the actions to be carried out all worked out, just the sending of some sort of information is getting me. Could anyone help me out?

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  • How to resolve CGDirectDisplayID changing issues on newer multi-GPU Apple laptops in Core Foundation

    - by Dave Gallagher
    In Mac OS X, every display gets a unique CGDirectDisplayID number assigned to it. You can use CGGetActiveDisplayList() or [NSScreen screens] to access them, among others. Per Apple's docs: A display ID can persist across processes and system reboot, and typically remains constant as long as certain display parameters do not change. On newer mid-2010 MacBook Pro's, Apple started using auto-switching Intel/nVidia graphics. Laptops have two GPU's, a low-powered Intel, and a high-powered nVidia. Previous dual-GPU laptops (2009 models) didn't have auto-GPU switching, and required the user to make a settings change, logoff, and then logon again to make a GPU switch occur. Even older systems only had one GPU. There's an issue with the mid-2010 models where CGDirectDisplayID's don't remain the same when a display switches from one GPU to the next. For example: Laptop powers on. Built-In LCD Screen is driven by Intel chipset. Display ID: 30002 External Display is plugged in. Built-In LCD Screen switches to nVidia chipset. It's display ID changes: 30004 External Display is driven by nVidia chipset. ...at this point, the Intel chipset is dormant... User unplugs External Display. Built-In LCD Screen switches back to Intel chipset. It's display ID changes back to original: 30002 My question is, how can I match an old display ID to a new display ID when they alter due to a GPU change? Thought about: I've noticed that the display ID only changes by 2, but I don't have enough test Mac's available to determine if this is common to all new MacBook Pro's, or just mine. Kind of a kludge if "just check for display ID's which are +/-2 from one another" works, anyway. Tried: CGDisplayRegisterReconfigurationCallback(), which notifies before-and-after when displays are going to change, has no matching logic. Putting something like this inside a method registered with it doesn't work: // Run before display settings change: CGDirectDisplayID directDisplayID = ...; io_service_t servicePort = CGDisplayIOServicePort(directDisplayID); CFDictionaryRef oldInfoDict = IODisplayCreateInfoDictionary(servicePort, kIODisplayMatchingInfo); // ...display settings change... // Run after display settings change: CGDirectDisplayID directDisplayID = ...; io_service_t servicePort = CGDisplayIOServicePort(directDisplayID); CFDictionaryRef newInfoDict = IODisplayCreateInfoDictionary(servicePort, kIODisplayMatchingInfo); BOOL match = IODisplayMatchDictionaries(oldInfoDict, newInfoDict, 0); if (match) NSLog(@"Displays are a match"); else NSLog(@"Displays are not a match"); What's happening above is I'm caching oldInfoDict before display settings change, letting them change, and then comparing it to newInfoDict by using IODisplayMatchDictionaries(), which will say either "yes, both displays are the same!" or "no, both displays are not the same." Unfortunately, it does not return YES if GPU's have changed for a monitor. Example of the dictionary's it's comparing: // oldInfoDict (Display ID: 30002) oldInfoDict: { DisplayProductID = 40144; DisplayVendorID = 1552; IODisplayLocation = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer/display0/AppleBacklightDisplay"; } // newInfoDict (Display ID: 30004) newInfoDict: { DisplayProductID = 40144; DisplayVendorID = 1552; IODisplayLocation = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/P0P2@1/IOPCI2PCIBridge/GFX0@0/NVDA,Display-A@0/NVDA/display0/AppleBacklightDisplay"; } As you can see, the IODisplayLocation key changes when GPU's are switched, hence IODisplayMatchDictionaries() doesn't work. I can, theoretically, compared just the DisplayProductID and DisplayVendorID keys, but I'm writing end-user software, and am worried of a situation where users have two or more identical monitors plugged in. Any help is greatly appreciated! :)

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  • As a code monkey, how to discuss programming with a guy who almost has a doctorate in computer science

    - by Peter Turner
    A friend of my wife's is coming over for dinner tonight and he is a lot smarter than me. What do we have in common, well... A Bachelor's in Computer Science, and that should be enough of a conversation starter. But he's nearly completed his doctoral studies and is light years ahead of me in his particular area, which I find fascinating but don't have any legit reason to care about (except for maybe a better way through heavy traffic - he's a combinatorics guy specializing in that I think) and I got married and had some kids and am a professional programmer for medical records software. We've got a lot in common, but there's a point where neither of us care or understand each other - although I really want to learn from him and I'm not certain he'd even want to talk about his work. So for all you doctors or code monkeys, what's a good conversation starter!

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  • SQL SERVER – Importance of User Without Login

    - by pinaldave
    Some questions are very open ended and it is very hard to come up with exact requirements. Here is one question I was asked in recent User Group Meeting. Question: “In recent version of SQL Server we can create user without login. What is the use of it?” Great question indeed. Let me first attempt to answer this question but after reading my answer I need your help. I want you to help him as well with adding more value to it. Answer: Let us visualize a scenario. An application has lots of different operations and many of them are very sensitive operations. The common practice was to do give application specific role which has more permissions and access level. When a regular user login (not system admin), he/she might have very restrictive permissions. The application itself had a user name and password which means applications can directly login into the database and perform the operation. Developers were well aware of the username and password as it was embedded in the application. When developer leaves the organization or when the password was changed, the part of the application had to be changed where the same username and passwords were used. Additionally, developers were able to use the same username and password and login directly to the same application. In earlier version of SQL Server there were application roles. The same is later on replaced by “User without Login”. Now let us recreate the above scenario using this new “User without Login”. In this case, User will have to login using their own credentials into SQL Server. This means that the user who is logged in will have his/her own username and password. Once the login is done in SQL Server, the user will be able to use the application. Now the database should have another User without Login which has all the necessary permissions and rights to execute various operations. Now, Application will be able to execute the script by impersonating “user without login – with more permissions”. Here there is assumed that user login does not have enough permissions and another user (without login) there are more rights. If a user knows how the application is using the database and their various operations, he can switch the context to user without login making him enable for doing further modification. Make sure to explicitly DENY view definition permission on the database. This will make things further difficult for user as he will have to know exact details to get additional permissions. If a user is System Admin all the details which I just mentioned in above three paragraphs does not apply as admin always have access to everything. Additionally, the method describes above is just one of the architecture and if someone is attempting to damage the system, they will still be able to figure out a workaround. You will have to put further auditing and policy based management to prevent such incidents and accidents. I guess this is my answer. I read it multiple times but I still feel that I am missing something. There should be more to this concept than what I have just described. I have merely described one scenario but there will be many more scenarios where this situation will be useful. Now is your turn to help – please leave a comment with the additional suggestion where exactly “User without Login” will be useful as well did I miss anything when I described above scenario. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Security, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Is this a bad time to be majoring in computer science?

    - by ATMathew
    There has been a lot of media attention paid in recent months and years to the increase in CS majors and the possibility of a second tech bubble. Some news reports have suggested that as more people enter CS, the market could be flooded with CS professionals and jobs could be increasingly difficult to find. Is this a bad time to be majoring in computer science? Edit: I'm a non-trad student who allready has a Bachelor's degree in economics and will be pursuing a CS degree starting this upcoming summer semester at the Univ of Kansas. I've been programming for about two/three years and just need a more formal education to fill the holes in my head. I have an interest in CS, it's just that I am worries about the prospects for the future.

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  • Good university for computer science with plans for Game Dev.

    - by DukeYore
    I am starting my Computer science degree at a local community college in Programming using C++. However, i will be transferring to a 4-year university. Does anyone have any insight on university programs? I know Cal State Fullerton has a degree with a minor in Game Dev. however, is that as important as getting a degree from a really great school? if i could shoot for something like Cal Poly would that be better? Or even Stanford or SF state being so close to so many gaming companies up there in the bay area? thank you in advance for any guidance.

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  • What is a good university for computer science and game development?

    - by DukeYore
    I am starting my computer science degree at a local community college in programming using C++. However, I will be transferring to a 4-year university. Does anyone have any insight on university programs? I know Cal State Fullerton has a degree with a minor in Game Development. however, is that as important as getting a degree from a really great school? If I could shoot for something like Cal Poly would that be better? Or even Stanford or SF State being so close to so many gaming companies up there in the Bay area?

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  • Is there a single book that covers the breadth of computer science fundamentals? [closed]

    - by superFoo
    When I did my undergraduate studies in elecrical engineering, there was this book called "Basic Electricity" by Van Valkenburgh. If you read that book cover to cover, your fundamentals in electrical engineering would be bulletproof. I would recommend it all my juniors and I absolutely loved it. Is there such a book in the field of computer science? I am not so concerned about the algorithms. I am looking more into something that tells me how does everything work beneath the covers. TCPIP, memory management, DNS, routing, SSL, buffer, queuing etc.

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  • Finding the model of an old computer i used to own?

    - by mcbeav
    This might sounds ridiculous, but I need some help finding the model of an old computer i used to own. I know what the computer looks like. It was made by Packard Bell, but i can't find hardly any information on older packard bell computers anywhere online. I got the computer around 1999, give or take a couple of years. It came with Windows 98 preinstalled. It was a tower desktop. I was wondering if anyone knows of a website or reference tool where i can find some information on older model desktop computers.

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  • Benchmarking MySQL Replication with Multi-Threaded Slaves

    - by Mat Keep
    0 0 1 1145 6530 Homework 54 15 7660 14.0 Normal 0 false false false EN-US JA X-NONE /* 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-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:Cambria; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin; mso-ansi-language:EN-US;} The objective of this benchmark is to measure the performance improvement achieved when enabling the Multi-Threaded Slave enhancement delivered as a part MySQL 5.6. As the results demonstrate, Multi-Threaded Slaves delivers 5x higher replication performance based on a configuration with 10 databases/schemas. For real-world deployments, higher replication performance directly translates to: · Improved consistency of reads from slaves (i.e. reduced risk of reading "stale" data) · Reduced risk of data loss should the master fail before replicating all events in its binary log (binlog) The multi-threaded slave splits processing between worker threads based on schema, allowing updates to be applied in parallel, rather than sequentially. This delivers benefits to those workloads that isolate application data using databases - e.g. multi-tenant systems deployed in cloud environments. Multi-Threaded Slaves are just one of many enhancements to replication previewed as part of the MySQL 5.6 Development Release, which include: · Global Transaction Identifiers coupled with MySQL utilities for automatic failover / switchover and slave promotion · Crash Safe Slaves and Binlog · Optimized Row Based Replication · Replication Event Checksums · Time Delayed Replication These and many more are discussed in the “MySQL 5.6 Replication: Enabling the Next Generation of Web & Cloud Services” Developer Zone article  Back to the benchmark - details are as follows. Environment The test environment consisted of two Linux servers: · one running the replication master · one running the replication slave. Only the slave was involved in the actual measurements, and was based on the following configuration: - Hardware: Oracle Sun Fire X4170 M2 Server - CPU: 2 sockets, 6 cores with hyper-threading, 2930 MHz. - OS: 64-bit Oracle Enterprise Linux 6.1 - Memory: 48 GB Test Procedure Initial Setup: Two MySQL servers were started on two different hosts, configured as replication master and slave. 10 sysbench schemas were created, each with a single table: CREATE TABLE `sbtest` (    `id` int(10) unsigned NOT NULL AUTO_INCREMENT,    `k` int(10) unsigned NOT NULL DEFAULT '0',    `c` char(120) NOT NULL DEFAULT '',    `pad` char(60) NOT NULL DEFAULT '',    PRIMARY KEY (`id`),    KEY `k` (`k`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 10,000 rows were inserted in each of the 10 tables, for a total of 100,000 rows. When the inserts had replicated to the slave, the slave threads were stopped. The slave data directory was copied to a backup location and the slave threads position in the master binlog noted. 10 sysbench clients, each configured with 10 threads, were spawned at the same time to generate a random schema load against each of the 10 schemas on the master. Each sysbench client executed 10,000 "update key" statements: UPDATE sbtest set k=k+1 WHERE id = <random row> In total, this generated 100,000 update statements to later replicate during the test itself. Test Methodology: The number of slave workers to test with was configured using: SET GLOBAL slave_parallel_workers=<workers> Then the slave IO thread was started and the test waited for all the update queries to be copied over to the relay log on the slave. The benchmark clock was started and then the slave SQL thread was started. The test waited for the slave SQL thread to finish executing the 100k update queries, doing "select master_pos_wait()". When master_pos_wait() returned, the benchmark clock was stopped and the duration calculated. The calculated duration from the benchmark clock should be close to the time it took for the SQL thread to execute the 100,000 update queries. The 100k queries divided by this duration gave the benchmark metric, reported as Queries Per Second (QPS). Test Reset: The test-reset cycle was implemented as follows: · the slave was stopped · the slave data directory replaced with the previous backup · the slave restarted with the slave threads replication pointer repositioned to the point before the update queries in the binlog. The test could then be repeated with identical set of queries but a different number of slave worker threads, enabling a fair comparison. The Test-Reset cycle was repeated 3 times for 0-24 number of workers and the QPS metric calculated and averaged for each worker count. MySQL Configuration The relevant configuration settings used for MySQL are as follows: binlog-format=STATEMENT relay-log-info-repository=TABLE master-info-repository=TABLE As described in the test procedure, the slave_parallel_workers setting was modified as part of the test logic. The consequence of changing this setting is: 0 worker threads:    - current (i.e. single threaded) sequential mode    - 1 x IO thread and 1 x SQL thread    - SQL thread both reads and executes the events 1 worker thread:    - sequential mode    - 1 x IO thread, 1 x Coordinator SQL thread and 1 x Worker thread    - coordinator reads the event and hands it to the worker who executes 2+ worker threads:    - parallel execution    - 1 x IO thread, 1 x Coordinator SQL thread and 2+ Worker threads    - coordinator reads events and hands them to the workers who execute them Results Figure 1 below shows that Multi-Threaded Slaves deliver ~5x higher replication performance when configured with 10 worker threads, with the load evenly distributed across our 10 x schemas. This result is compared to the current replication implementation which is based on a single SQL thread only (i.e. zero worker threads). Figure 1: 5x Higher Performance with Multi-Threaded Slaves The following figure shows more detailed results, with QPS sampled and reported as the worker threads are incremented. The raw numbers behind this graph are reported in the Appendix section of this post. Figure 2: Detailed Results As the results above show, the configuration does not scale noticably from 5 to 9 worker threads. When configured with 10 worker threads however, scalability increases significantly. The conclusion therefore is that it is desirable to configure the same number of worker threads as schemas. Other conclusions from the results: · Running with 1 worker compared to zero workers just introduces overhead without the benefit of parallel execution. · As expected, having more workers than schemas adds no visible benefit. Aside from what is shown in the results above, testing also demonstrated that the following settings had a very positive effect on slave performance: relay-log-info-repository=TABLE master-info-repository=TABLE For 5+ workers, it was up to 2.3 times as fast to run with TABLE compared to FILE. Conclusion As the results demonstrate, Multi-Threaded Slaves deliver significant performance increases to MySQL replication when handling multiple schemas. This, and the other replication enhancements introduced in MySQL 5.6 are fully available for you to download and evaluate now from the MySQL Developer site (select Development Release tab). You can learn more about MySQL 5.6 from the documentation  Please don’t hesitate to comment on this or other replication blogs with feedback and questions. Appendix – Detailed Results

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  • Searching for Windows User SID's in C#

    - by Ubiquitous Che
    Context Context first - issues I'm trying to resolve are below. One of our clients has asked as to quote how long it would take for us to improve one of our applications. This application currently provides basic user authentication in the form of username/password combinations. This client would like the ability for their employees to log-in using the details of whatever Windows User account is currently logged in at the time of running the application. It's not a deal-breaker if I tell them know - but the client might be willing to pay the costs of development to add this feature to the application. It's worth looking into. Based on my hunting around, it seems like storing the user login details against Domain\Username will be problematic if those details are changed. But Windows User SID's aren't supposed to change at all. I've got the impression that it would be best to record Windows Users by SID - feel free to relieve me of that if I'm wrong. I've been having a fiddle with some Windows API calls. From within C#, grabbing the current user's SID is easy enough. I can already take any user's SID and process it using LookupAccountSid to get username and domain for display purposes. For the interested, my code for this is at the end of this post. That's just the tip of the iceberg, however. The two issues below are completely outside my experience. Not only do I not know how to implement them - I don't even known how to find out how to implement them, or what the pitfalls are on various systems. Any help getting myself aimed in the right direction would be very much appreciated. Issue 1) Getting hold of the local user at runtime is meaningless if that user hasn't been granted access to the application. We will need to add a new section to our application's 'administrator console' for adding Windows Users (or groups) and assigning within-app permissions against those users. Something like an 'Add Windows User Login' button that will raise a pop-up window that will allow the user to search for available Windows User accounts on the network (not just the local machine) to be added to the list of available application logins. If there's already a component in .NET or Windows that I can shanghai into doing this for me, it would make me a very happy man. Issue 2) I also want to know how to take a given Windows User SID and check it against a given Windows User Group (probably taken from a database). I'm not sure how to get started with this one either, though I expect it to be easier than the issue above. For the Interested [STAThread] static void Main(string[] args) { MessageBox.Show(WindowsUserManager.GetAccountNameFromSID(WindowsIdentity.GetCurrent().User.Value)); MessageBox.Show(WindowsUserManager.GetAccountNameFromSID("S-1-5-21-57989841-842925246-1957994488-1003")); } public static class WindowsUserManager { public static string GetAccountNameFromSID(string SID) { try { StringBuilder name = new StringBuilder(); uint cchName = (uint)name.Capacity; StringBuilder referencedDomainName = new StringBuilder(); uint cchReferencedDomainName = (uint)referencedDomainName.Capacity; WindowsUserManager.SID_NAME_USE sidUse; int err = (int)ESystemError.ERROR_SUCCESS; if (!WindowsUserManager.LookupAccountSid(null, SID, name, ref cchName, referencedDomainName, ref cchReferencedDomainName, out sidUse)) { err = Marshal.GetLastWin32Error(); if (err == (int)ESystemError.ERROR_INSUFFICIENT_BUFFER) { name.EnsureCapacity((int)cchName); referencedDomainName.EnsureCapacity((int)cchReferencedDomainName); err = WindowsUserManager.LookupAccountSid(null, SID, name, ref cchName, referencedDomainName, ref cchReferencedDomainName, out sidUse) ? (int)ESystemError.ERROR_SUCCESS : Marshal.GetLastWin32Error(); } } if (err != (int)ESystemError.ERROR_SUCCESS) throw new ApplicationException(String.Format("Could not retrieve acount name from SID. {0}", SystemExceptionManager.GetDescription(err))); return String.Format(@"{0}\{1}", referencedDomainName.ToString(), name.ToString()); } catch (Exception ex) { if (ex is ApplicationException) throw ex; throw new ApplicationException("Could not retrieve acount name from SID", ex); } } private enum SID_NAME_USE { SidTypeUser = 1, SidTypeGroup, SidTypeDomain, SidTypeAlias, SidTypeWellKnownGroup, SidTypeDeletedAccount, SidTypeInvalid, SidTypeUnknown, SidTypeComputer } [DllImport("advapi32.dll", EntryPoint = "GetLengthSid", CharSet = CharSet.Auto)] private static extern int GetLengthSid(IntPtr pSID); [DllImport("advapi32.dll", SetLastError = true)] private static extern bool ConvertStringSidToSid( string StringSid, out IntPtr ptrSid); [DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)] private static extern bool LookupAccountSid( string lpSystemName, [MarshalAs(UnmanagedType.LPArray)] byte[] Sid, StringBuilder lpName, ref uint cchName, StringBuilder ReferencedDomainName, ref uint cchReferencedDomainName, out SID_NAME_USE peUse); private static bool LookupAccountSid( string lpSystemName, string stringSid, StringBuilder lpName, ref uint cchName, StringBuilder ReferencedDomainName, ref uint cchReferencedDomainName, out SID_NAME_USE peUse) { byte[] SID = null; IntPtr SID_ptr = IntPtr.Zero; try { WindowsUserManager.ConvertStringSidToSid(stringSid, out SID_ptr); int err = SID_ptr == IntPtr.Zero ? Marshal.GetLastWin32Error() : (int)ESystemError.ERROR_SUCCESS; if (SID_ptr == IntPtr.Zero || err != (int)ESystemError.ERROR_SUCCESS) throw new ApplicationException(String.Format("'{0}' could not be converted to a SID byte array. {1}", stringSid, SystemExceptionManager.GetDescription(err))); int size = (int)GetLengthSid(SID_ptr); SID = new byte[size]; Marshal.Copy(SID_ptr, SID, 0, size); } catch (Exception ex) { if (ex is ApplicationException) throw ex; throw new ApplicationException(String.Format("'{0}' could not be converted to a SID byte array. {1}.", stringSid, ex.Message), ex); } finally { // Always want to release the SID_ptr (if it exists) to avoid memory leaks. if (SID_ptr != IntPtr.Zero) Marshal.FreeHGlobal(SID_ptr); } return WindowsUserManager.LookupAccountSid(lpSystemName, SID, lpName, ref cchName, ReferencedDomainName, ref cchReferencedDomainName, out peUse); } }

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  • Play music on iPhone through computer

    - by Kyle Cronin
    Now that I've had my iPhone for a few months, I'm trying an experiment to see if I can't replace the laptop I carry around with my iPhone + internet connected computer. To this end, I've been trying to find a program that will let me play the music on my iPhone through the hardware and software on the host computer. If I recall correctly this was possible a few years ago with the iPod - Linux software like Rhythmbox and Banshee was able to read the music off an iPod and play it through the speakers. I even thought I recalled iTunes itself being capable of this at one time. Now, however, iTunes greys out/disables the music on my iPhone and I can't find any documented support for the iPhone in any other music program. Is this really no longer possible? Am I limited to using the headphone jack to get music to play? (note: I am using an iPhone 3G with the 3.0 software. I am attempting to play music on computers other than the one I sync with) Several replies mention that I should check "manually manage" to do this. I just tried this on a computer that I don't sync my iPhone to and it asked me to erase and sync, which is obviously something I don't want to do. update: OK, I checked the "Manually manage music and videos" box on a computer that I didn't sync to (now known as "Computer A"), and it told me that I needed to erase & sync to cause the changes to have effect, so I did. At this point I'm guessing that my iPhone thinks that it's syncing with that computer. I copied over a few songs using the autofill feature. At this point, Computer A sees the maybe 10 or so songs I've copied using autofill. I then plug my iPhone into my Macbook ("Computer B") which I've been syncing with. At this point, I'm pretty sure that it still thought that all my synced content was still on my iPhone. The "manually manage music and videos" checkbox isn't checked, so I check it and go through a similar process where iTunes erases the synced content and I copy over a playlist. At this point, there's no trace of the songs that I copied over from Computer A. So I plug my iPhone into Computer A - in the Music section are the handful of songs that I had copied over earlier, greyed out and unplayable. To make sure that this wasn't some sort of caching issue, I plugged my iPhone into my sister's Macbook ("Computer C") and it lists the same few, greyed out songs that I had copied over from Computer A. Plugging into Computer B doesn't reveal these songs at all, only the songs that it copied over (these are playable). A few things: This inconsistent behavior is driving me insane. Why would my iPhone report two versions of its contents to different computers? Is there a way to get a computer to completely forget about an iPhone and just resync everything to get everything into a consistent state? Even if I get the phone into a consistent state, I still can't play the files on my phone anywhere but the computer I sync with, which was my original goal. What am I doing wrong? maybe I should read the fine print before I mess with my iPhone So going over this thread with a fine-toothed comb again yields this lovely tidbit in the Apple docs: Note: Even when manually managing, some content may only be available from one library at time. This includes all content on iPhone and video content on iPods. OK, so manually managing is a dead end on the iPhone. Are there any other options? Any unofficial third-party programs or drivers that will work?

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  • Rails User-Profile model challenges

    - by Craig
    I am attempting to create an enrollment process similar to SO's: route to an OpenID provider provider returns the user's information to the UsersController (a guess) UsersController creates user, then routes to the ProfilesController's new or edit action. For now, I'm simply trying to create the user, then route to the ProfilesController's new or edit action (not sure which I should be using). Here's what I have thus far: Models: class User < ActiveRecord::Base has_one :profile end class Profile < ActiveRecord::Base belongs_to :user end Routes: map.resources :users do |user| user.resource :profile end new_user_profile GET /users/:user_id/profile/new(.:format) {:controller=>"profiles", :action=>"new"} edit_user_profile GET /users/:user_id/profile/edit(.:format) {:controller=>"profiles", :action=>"edit"} user_profile GET /users/:user_id/profile(.:format) {:controller=>"profiles", :action=>"show"} PUT /users/:user_id/profile(.:format) {:controller=>"profiles", :action=>"update"} DELETE /users/:user_id/profile(.:format) {:controller=>"profiles", :action=>"destroy"} POST /users/:user_id/profile(.:format) {:controller=>"profiles", :action=>"create"} users GET /users(.:format) {:controller=>"users", :action=>"index"} POST /users(.:format) {:controller=>"users", :action=>"create"} new_user GET /users/new(.:format) {:controller=>"users", :action=>"new"} edit_user GET /users/:id/edit(.:format) {:controller=>"users", :action=>"edit"} user GET /users/:id(.:format) {:controller=>"users", :action=>"show"} PUT /users/:id(.:format) {:controller=>"users", :action=>"update"} DELETE /users/:id(.:format) {:controller=>"users", :action=>"destroy"} Controllers: class UsersController < ApplicationController # generate new-user form def new @user = User.new end # process new-user-form post def create @user = User.new(params[:user]) if @user.save redirect_to new_user_profile_path(@user) ... end end # generate edit-user form def edit @user = User.find(params[:id]) end # process edit-user-form post def update @user = User.find(params[:id]) respond_to do |format| if @user.update_attributes(params[:user]) flash[:notice] = 'User was successfully updated.' format.html { redirect_to(users_path) } format.xml { head :ok } ... end end end class ProfilesController < ApplicationController before_filter :get_user def get_user @user = User.find(params[:user_id]) end # generate new-profile form def new @user.profile = Profile.new @profile = @user.profile end # process new-profile-form post def create @user.profile = Profile.new(params[:profile]) @profile = @user.profile respond_to do |format| if @profile.save flash[:notice] = 'Profile was successfully created.' format.html { redirect_to(@profile) } format.xml { render :xml => @profile, :status => :created, :location => @profile } ... end end end # generate edit-profile form def edit @profile = @user.profile end # generate edit-profile-form post def update @profile = @user.profile respond_to do |format| if @profile.update_attributes(params[:profile]) flash[:notice] = 'Profile was successfully updated.' # format.html { redirect_to(@profile) } format.html { redirect_to(user_profile(@user)) } format.xml { head :ok } else format.html { render :action => "edit" } format.xml { render :xml => @profile.errors, :status => :unprocessable_entity } end end end Edit-User View: ... <% form_for(@user) do |f| %> ... New-Profile View: ... <% form_for([@user,@profile]) do |f| %> .. I'm having two problems: When saving an edit to the User model, the UsersController attempts to route to http://localhost:3000/users/1/profile.%23%3Cprofile:0x10438e3e8%3E, instead of http://localhost:3000/users/1/profile When the new-profile form is being rendered, it throws an error that reads: undefined method `user_profiles_path' for # Is it better to create a blank profile when the user is created (in the UsersController), then edit it OR follow the rest-ful convention of creating the profile in the ProfilesController (as I have done)? What am I missing? I did review Associating Two Models in Rails (user and profile), but it didn't address my needs. Thanks for your time.

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  • Interpretation of empty User-agent

    - by Amit Agrawal
    How should I interpret a empty User-agent? I have some custom analytics code and that code has to analyze only human traffic. I have got a working list of User-agents denoting human traffic, and bot traffic, but the empty User-agent is proving to be problematic. And I am getting lots of traffic with empty user agent - 10%. Additionally - I have crafted the human traffic versus bot traffic user agent list by analyzing my current logs. As such I might be missing a lot of entries in there. Is there a well maintained list of user agents denoting bot traffic, OR the inverse a list of user agents denoting human traffic?

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  • Give access to specific services on Windows 7 Professional machines?

    - by Chad Cook
    We have some machines running Windows 7 Professional at our office. The typical user needs to have access to stop and start a service for a local program they run. These machines have a local web server and database installed and we need to restrict access to certain folders and services related to the web server and database for these users. The setup I have tried so far is to add the typical user as a Power User. I have been able to successfully restrict them from accessing certain folders (as far as I can tell) but now they do not have access to the service needed for starting and stopping the local program. My thought was to give them access to the specific service but I have not had any luck yet. In searching the web for solutions the only results I have found relate to Windows Server 2000 and 2003 and involve creating security templates and databases through the Microsoft Management Console. I am hesitant to try an approach like this as these articles are typically older and I worry this method is outdated. Is there a better way to accomplish the end goal of giving the user permission to run the service and restrict their access to certain folders? If any clarification is needed on the setup or what we are trying to achieve, please let me know. Thanks in advance.

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  • User settings mechanism for Yii

    - by Peterim
    Hi guys! I need some help with user settings mechanism for my Yii-based application. I've created the following db structure to store user settings: table user with the following fields id | username | email | etc. table settingslist (to store a list of all possible settings with descriptions) with the following fields id | code | name | description table settings (to store all user settings) with the following fields id | userid | settingslistcode | value Now I'm stuck with the form which allows user to change his settings. I had to deal before with the regular models (i.e. for posts, comments, etc.) where every new model had only one row in the database (Post model - id | title | body |) with the certain amount of attributes (fields of the table). But now I need to store user settings in 10-15 rows and I don't know how to apply Yii model mechanism to work with this, so I can retrieve those settings in a single form (so user could change his preferences). Any suggestions are greatly appreciated. Thank you!

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  • Failing rspec Rails Tutorial Chapter 9.3

    - by greyghost24
    I am failing 3 tests and I have found numerous examples on here and on on the internet in general but I can't seem to find where I'm going wrong. Thanks for any help. 1) User pages signup with valid information edit page Failure/Error: before { visit edit_user_path(user) } ActionView::Template::Error: undefined method `model_name' for NilClass:Class # ./app/views/users/edit.html.erb:6:in `_app_views_users_edit_html_erb___4113112884365867193_70232486166220' # ./spec/requests/user_pages_spec.rb:96:in `block (5 levels) in <top (required)>' 2) User pages signup with valid information edit page Failure/Error: before { visit edit_user_path(user) } ActionView::Template::Error: undefined method `model_name' for NilClass:Class # ./app/views/users/edit.html.erb:6:in `_app_views_users_edit_html_erb___4113112884365867193_70232486166220' # ./spec/requests/user_pages_spec.rb:96:in `block (5 levels) in <top (required)>' 3) User pages signup with valid information edit page Failure/Error: before { visit edit_user_path(user) } ActionView::Template::Error: undefined method `model_name' for NilClass:Class # ./app/views/users/edit.html.erb:6:in `_app_views_users_edit_html_erb___4113112884365867193_70232486166220' # ./spec/requests/user_pages_spec.rb:96:in `block (5 levels) in <top (required)>' Finished in 0.26515 seconds 3 examples, 3 failures Failed examples: rspec ./spec/requests/user_pages_spec.rb:100 # User pages signup with valid information edit page rspec ./spec/requests/user_pages_spec.rb:99 # User pages signup with valid information edit page rspec ./spec/requests/user_pages_spec.rb:101 # User pages signup with valid information edit page authentication_pages_spec.rb require 'spec_helper' describe "Authentication" do subject { page } describe "signin page" do before { visit signin_path } it { should have_selector('h1', text: 'Sign in') } it { should have_selector('title', text: 'Sign in') } end describe "signin" do before { visit signin_path } describe "with invalid information" do before { click_button "Sign in" } it { should have_selector('title', text: 'Sign in') } it { should have_selector('div.alert.alert-error', text: 'Invalid') } describe "after visiting another page" do before { click_link "Home" } it { should_not have_selector('div.alert.alert-error') } end end describe "with valid information" do let(:user) { FactoryGirl.create(:user) } before do fill_in "Email", with: user.email fill_in "Password", with: user.password click_button "Sign in" end it { should have_selector('title', text: user.name) } it { should have_link('Profile', href: user_path(user)) } it { should have_link('Sign out', href: signout_path) } it { should_not have_link('Sign in', href: signin_path) } describe "followed by signout" do before { click_link "Sign out" } it { should have_link('Sign in') } end end end end Here is the users_controller: class UsersController < ApplicationController def show @user = User.find(params[:id]) end def new @user = User.new end def create @user = User.new(params[:user]) if @user.save sign_in @user flash[:success] = "Welcome to the Sample App!" redirect_to @user else render 'new' end end end def edit @user = User.find(params[:id]) end edit.html.erb: <% provide(:title, "Edit user") %> <h1>Update your profile</h1> <div class="row"> <div class="span6 offset3"> <%= form_for(@user) do |f| %> <%= render 'shared/error_messages' %> <%= f.label :name %> <%= f.text_field :name %> <%= f.label :email %> <%= f.text_field :email %> <%= f.label :password %> <%= f.password_field :password %> <%= f.label :password_confirmation, "Confirm Password" %> <%= f.password_field :password_confirmation %> <%= f.submit "Save changes", class: "btn btn-large btn-primary" %> <% end %> <%= gravatar_for @user %> <a href="http://gravatar.com/emails">change</a> </div> here is the user_pages_spec: require 'spec_helper' describe "User pages" do subject { page } describe "profile page" do let(:user) { FactoryGirl.create(:user) } before { visit user_path(user) } it { should have_selector('h1', text: user.name) } it { should have_selector('title', text: user.name) } end describe "signup page" do before { visit signup_path } it { should have_selector('h1', text: 'Sign up') } it { should have_selector('title', text: full_title('Sign up')) } end describe "signup" do before { visit signup_path } describe "with invalid information" do it "should not create a user" do expect { click_button "Create my account" }.not_to change(User, :count) end describe "error messages" do before { click_button "Create my account" } it { should have_selector('title', text: 'Sign up') } it { should have_content('error') } end end describe "with valid information" do before do fill_in "Name", with: "Example User" fill_in "Email", with: "[email protected]" fill_in "Password", with: "foobar" fill_in "Confirmation", with: "foobar" end it "should create a user" do expect do click_button "Create my account" end.to change(User, :count).by(1) end describe "after saving the user" do before { click_button "Create my account" } let(:user) { User.find_by_email('[email protected]') } it { should have_selector('title', text: user.name) } it { should have_selector('div.alert.alert-success', text: 'Welcome') } it { should have_link('Sign out') } end end end describe "signup page" do before { visit signup_path } it { should have_selector('h1', text: 'Sign up') } it { should have_selector('title', text: full_title('Sign up')) } end describe "signup" do before { visit signup_path } let(:submit) { "Create my account" } describe "with invalid information" do it "should not create a user" do expect { click_button submit }.not_to change(User, :count) end end describe "with valid information" do before do fill_in "Name", with: "Example User" fill_in "Email", with: "[email protected]" fill_in "Password", with: "foobar" fill_in "Confirmation", with: "foobar" end it "should create a user" do expect { click_button submit }.to change(User, :count).by(1) end describe "edit" do let(:user) { FactoryGirl.create(:user) } before { visit edit_user_path(user) } describe "page" do it { should have_selector('h1', text: "Update your profile") } it { should have_selector('title', text: "Edit user") } it { should have_link('change', href: 'http://gravatar.com/emails') } end describe "with invalid information" do before { click_button "Save changes" } it { should have_content('error') } end end end end end edit: users_controllers.rb was formatted incorrectly. It should look like this: class UsersController < ApplicationController def show @user = User.find(params[:id]) end def new @user = User.new end def create @user = User.new(params[:user]) if @user.save sign_in @user flash[:success] = "Welcome to the Sample App!" redirect_to @user else render 'new' end end def edit @user = User.find(params[:id]) end end

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  • Mediawiki authenication replacement showing "Login Required" instead of signing user into wiki

    - by arcdegree
    I'm fairly to MediaWiki and needed a way to automatically log users in after they authenticated to a central server (which creates a session and cookie for applications to use). I wrote a custom authentication extension based off of the LDAP Authentication extension and a few others. The extension simply needs to read some session data to create or update a user and then log them in automatically. All the authentication is handled externally. A user would not be able to even access the wiki website without logging in externally. This extension was placed into production which replaced the old standard MediaWiki authentication system. I also merged user accounts to prepare for the change. By default, a user must be logged in to view, edit, or otherwise do anything in the wiki. My problem is that I found if a user had previously used the built-in MediaWiki authentication system and returned to the wiki, my extension would attempt to auto-login the user, however, they would see a "Login Required" page instead of the page they requested like they were an anonymous user. If the user then refreshed the page, they would be able to navigate, edit, etc. From what I can tell, this issue resolves itself after the UserID cookie is reset or created fresh (but has been known to strangely come up sometimes). To replicate, if there is an older User ID in the "USERID" cookie, the user is shown the "Login Required" page which is a poor user experience. Another way of showing this page is by removing the user account from the database and refreshing the wiki page. As a result, the user will again see the "Login Required" page. Does anyone know how I can use debugging to find out why MediaWiki thinks the user is not signed in when the cookies are set properly and all it takes is a page refresh? Here is my extension (simplified a little for this post): <?php $wgExtensionCredits['parserhook'][] = array ( 'name' => 'MyExtension', 'author' => '', ); if (!class_exists('AuthPlugin')) { require_once ( 'AuthPlugin.php' ); } class MyExtensionPlugin extends AuthPlugin { function userExists($username) { return true; } function authenticate($username, $password) { $id = $_SESSION['id']; if($username = $id) { return true; } else { return false; } } function updateUser(& $user) { $name = $user->getName(); $user->load(); $user->mPassword = ''; $user->mNewpassword = ''; $user->mNewpassTime = null; $user->setRealName($_SESSION['name']); $user->setEmail($_SESSION['email']); $user->mEmailAuthenticated = wfTimestampNow(); $user->saveSettings(); return true; } function modifyUITemplate(& $template) { $template->set('useemail', false); $template->set('remember', false); $template->set('create', false); $template->set('domain', false); $template->set('usedomain', false); } function autoCreate() { return true; } function disallowPrefsEditByUser() { return array ( 'wpRealName' => true, 'wpUserEmail' => true, 'wpNick' => true ); } function allowPasswordChange() { return false; } function setPassword( $user, $password ) { return false; } function strict() { return true; } function initUser( & $user ) { } function updateExternalDB( $user ) { return false; } function canCreateAccounts() { return false; } function addUser( $user, $password ) { return false; } function getCanonicalName( $username ) { return $username; } } function SetupAuthMyExtension() { global $wgHooks; global $wgAuth; $wgHooks['UserLoadFromSession'][] = 'Auth_MyExtension_autologin_hook'; $wgHooks['UserLogoutComplete'][] = 'Auth_MyExtension_UserLogoutComplete'; $wgHooks['PersonalUrls'][] = 'Auth_MyExtension_personalURL_hook'; $wgAuth = new MyExtensionPlugin(); } function Auth_MyExtension_autologin_hook($user, &$return_user ) { global $wgUser; global $wgAuth; global $wgContLang; wfSetupSession(); // Give us a user, see if we're around $tmpuser = new User() ; $rc = $tmpuser->newFromSession(); $rc = $tmpuser->load(); if( $rc && $rc->isLoggedIn() ) { if ( $rc->authenticate($rc->getName(), '') ) { return true; } else { $rc->logout(); } } $id = trim($_SESSION['id']); $name = ucfirst(trim($_SESSION['name'])); if (empty($dsid)) { $result = false; // Deny access return true; } $user = User::newFromName($dsid); if (0 == $user->getID() ) { // we have a new user to add... $user->setName( $id); $user->addToDatabase(); $user->setToken(); $user->saveSettings(); $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 ); $ssUpdate->doUpdate(); } else { $user->saveToCache(); } // update email, real name, etc. $wgAuth->updateUser( $user ); $result = true; // Go ahead and log 'em in $user->setToken(); $user->saveSettings(); $user->setupSession(); $user->setCookies(); return true; } function Auth_MyExtension_personalURL_hook(& $personal_urls, & $title) { global $wgUser; unset( $personal_urls['mytalk'] ); unset($personal_urls['Userlogin']); $personal_urls['userpage']['text'] = $wgUser->getRealName(); foreach (array('login', 'anonlogin') as $k) { if (array_key_exists($k, $personal_urls)) { unset($personal_urls[$k]); } } return true; } function Auth_MyExtension_UserLogoutComplete(&$user, &$inject_html, $old_name) { setcookie( $GLOBALS['wgCookiePrefix'] . '_session', '', time() - 3600, $GLOBALS['wgCookiePath']); setcookie( $GLOBALS['wgCookiePrefix'] . 'UserName', '', time() - 3600, $GLOBALS['wgCookiePath']); setcookie( $GLOBALS['wgCookiePrefix'] . 'UserID', '', time() - 3600, $GLOBALS['wgCookiePath']); setcookie( $GLOBALS['wgCookiePrefix'] . 'Token', '', time() - 3600, $GLOBALS['wgCookiePath']); return true; } ?> Here is part of my LocalSettings.php file: ############################# # Disallow Anonymous Access ############################# $wgGroupPermissions['*']['read'] = false; $wgGroupPermissions['*']['edit'] = false; $wgGroupPermissions['*']['createpage'] = false; $wgGroupPermissions['*']['createtalk'] = false; $wgGroupPermissions['*']['createaccount'] = false; $wgShowIPinHeader = false; # For non-logged in users ############################# # Extension: MyExtension ############################# require_once("$IP/extensions/MyExtension.php"); $wgAutoLogin = true; SetupAuthMyExtension(); $wgDisableCookieCheck = true;

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  • debugging windows 2008 "user profile service"

    - by Jeroen Wilke
    Hi, I would appreciate some help debugging my windows 2008 profile service. Any domain account that logs on to my 2008 machine gets a +- 20 second waiting time on "user profile service" I am using roaming profiles, they are around 8mb in size, and most folders are already redirected to a network share. event log registers no errors, there is more than 1 network card installed, but I have the correct card listed as "primary" Is there any way to increase verbosity of logging on specifically the "user profile service" ? Regards Jeroen

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  • Are these mySQL user settings vulnerable?

    - by Kavon Farvardin
    I'm using myphpadmin to manage the databases and I'm new to SQL in general. Am I suppose to keep an open anonymous user on localhost so things like drupal can access mySQL? It seems like having a non-passworded root on my server's hostname is retarded but I don't know what I'm doing with this in general. The user who's name starts with a b is the one I use to login and do things like make a database.

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  • Adding FreeBSD user upon first login

    - by Halik
    Is it possible, to achieve the proposed behavior on my FreeBSD 8.2 server: New user ssh's into my server. He supplies as 'Login:' his student index number and a new, locked account is created with random password that is sent to his [email protected] mail as authentication method. After he logs in with this password, account is fully created and activated/unlocked and the user is asked/forced to change the pass for a new one.

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  • Kohana multi language website

    - by Sobek
    .I'm trying to set up a multi language website with kohana v3, following this tutorial: http://kerkness.ca/wiki/doku.php?id=example_of_a_multi-language_website Routing to a controller or action within i.e. website/controller/action seems to work as the url is properly redirected to website/lang/controller/action. However this is not working for ajax request calls. I have to manually edit the url with the appropriate language, to successfully retrieve the data. This also applies for anchors on the html page. In addition to this problem, the overflow parameter 'id' also doesn't work. It takes the 'lang' variable as its parameter. I have setup my default route just like in the tutorial i.e.: Route::set('default', '((<lang>)(/)(<controller>)(/<action>(/<id>)))', array('lang' => "({$langs_abr})",'id'=>'.+')) ->defaults(array('lang' => $default_lang,'controller' => welcome', 'action' => 'index')); Any help is much appreciated ! Cheers

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  • Multi-tenant Access Control: Repository or Service layer?

    - by FreshCode
    In a multi-tenant ASP.NET MVC application based on Rob Conery's MVC Storefront, should I be filtering the tenant's data in the repository or the service layer? 1. Filter tenant's data in the repository: public interface IJobRepository { IQueryable<Job> GetJobs(short tenantId); } 2. Let the service filter the repository data by tenant: public interface IJobService { IList<Job> GetJobs(short tenantId); } My gut-feeling says to do it in the service layer (option 2), but it could be argued that each tenant should in essence have their own "virtual repository," (option 1) where this responsibility lies with the repository. Which is the most elegant approach: option 1, option 2 or is there a better way? Update: I tried the proposed idea of filtering at the repository, but the problem is that my application provides the tenant context (via sub-domain) and only interacts with the service layer. Passing the context all the way to the repository layer is a mission. So instead I have opted to filter my data at the service layer. I feel that the repository should represent all data physically available in the repository with appropriate filters for retrieving tenant-specific data, to be used by the service layer. Final Update: I ended up abandoning this approach due to the unnecessary complexities. See my answer below.

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