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• Open source Java CMS for Google App Engine?

  - by markvgti

  I am looking for an open source Java CMS (Web CMS, actually) to run on Google App Engine. I have looked at related older questions on this topic (What CMS runs on Google AppEngine?, CMS over Google App Engine, with SEO etc.) but the problem is that they all largely list Python-based CMSes. Plus these questions are pretty old, and since GAE is a fast-moving target, I thought it might be worthwhile to ask again. I want a CMS for creating some websites (for myself and for others), but would rather not start writing one from scratch. A "good" (very subjective, I know) open source WCMS allows me to start using a product, while still being able to add to/extend the product/project. On the one hand I am looking for a somewhat mature product/project, on the other hand it's easier to start contributing to the development cycle of a young product/project (conflicting, I know :-). Here are some features that would be preferable: [X]HTML/XML/CSS based templating Ability to create multiple blogs Galleries Ability to create a "Downloads" section (is this pretty much standard?) Separate management for digital assets (images, PDFs, binary files etc.) Roles like "Administrator", "Editor", "Contributor" etc. (or their equivalents) Ability to move/reorganize pages Export to PDF Reformat content for printing Is the CMS you are about to suggest especially well-suited to publishing an online book? My idea is that while the book may be offered as a downloadable eBook, the latest, most current version will be the one available on the website.

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• Windows 7 migration led to crashdump and hibernate problems

  - by MartyMacGyver

  Note: I'm using a Samsung 830 SSD (migrated OS from defunct PC) and other than these two (interrelated?) problems it's working fine. Surprisingly well actually. Motherboard is a ASUS P8Z77-V Deluxe. Problem 1: Crashdumps are not working. volmgr throws an event 45 "The system could not sucessfully load the crash dump driver." whenever you modify crashdump settings, or if a crashdump occurs. diskpart says that "Crashdump disk = no" which is peculiar. Problem 2: Hibernation isn't working. Again, volmgr throws the same event 45 if you try to hibernate. The screen blanks, then you're at the password prompt. No sleepage occurs. (Yes, I know I should avoid hibernation on SSDs but it's enabled and the hibernation file is definitely there so I'd like to know why it's failing). Diskpart claims "Hibernation file = no" which is again peculiar... it's plainly there and getting created by the system. The common factor appears to be volmgr and/or the crashdump "service" (if that's what it is). I'd much rather get this working than spend days reinstalling and reconfiguring the entire system, especially when it's working perfectly otherwise. Sleep works as well (as long as it's not hybrid sleep). So, what defines the flags "Crashdump disk" and "Hibernation file disk" in diskpart's output? And what might be going wrong that's breaking crashdumps in particular?

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• TomTom GO & Ubuntu Linux: impersonating a GPRS phone with dund

  - by Broam

  Background: I've called TomTom support, and they don't support Linux. I can get my GO 730 to mount Mass Storage, and I found a shell script that will allow me to install maps (haven't tried it; will update when I do.). As of note: USB 2.0 only. 1.1 ports will not work. However--I still can't update the TomTom or take advantage of any traffic services. The GO will connect to a mobile phone, but I don't have one that supports tethering. However, I've found a site that claims to know a way to get a Linux Machine to impersonate a phone advertising GPRS services and it apparently works in Fedora as old as FC4. I'm having some serious trouble getting this to work on Ubuntu 9.10 Karmic, mainly because I think some of the built-in bluetooth stuff is getting in the way. Changing the class bits in main.conf (hcid.conf does not exist) doesn't crash..., and dund starts and listens, but the TomTom device never seems to want to connect to my machine. I haven't played around much with sdcptool (I think that's the name, not in front of a Linux machine right now) but maybe I have to advertise the DUN profile...I'm not very sure. My Question: I have no way to diagnose the problems. What are some diagnostic tools I can use to help dig down and figure out what's going on? Update: apparently dund is a legacy tool that's going away. What replaces it?

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• WCF and Unity - Dependecy Injection

  - by Michael

  I'm trying to hock up WCF with dependecy injection. All the examples that I have found is based on the assumptions that you either uses a .svc (ServiceHostFactory) service or uses app.config to configure the container. Other examples is also based on that the container is passed around to the classes. I would like a solution where the container is not passed around (not tightly coupled to Unity). Where I don't uses a config file to configure the container and where I use self-hosted services. The problem is - as I see it - that the ServiceHost is taking the type of the service implementation as a parameter so what different does it do to use the InstanceProvider? The solution I have come up with at the moment is to register the ServiceHost (or a specialization) an register a Type with a name ( e.g. container.RegisterInstance<Type>("ServiceName", typeof(Service);). And then container.RegisterType<UnityServiceHost>(new InjectionConstructor(new ResolvedParameter<Type>("ServiceName"))); to register the ServiceHost. Any better solutions out there? I'm I perhaps way of in my assumptions. Best regards, Michael

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• PartCover 2.5.3 win 7 x64

  - by user329814

  Could you tell me how you got PartCover running with VS2008 and win 7 x64? Based on this post http://stackoverflow.com/questions/256287/how-do-i-run-partcover-in-x64-windows, I ran c:\Program Files (x86)\Gubka Bob\PartCover .NET 2.3>CorFlags.exe PartCover.exe / 32BIT+ /Force with result Microsoft (R) .NET Framework CorFlags Conversion Tool. Version 3.5.21022.8 Copyright (c) Microsoft Corporation. All rights reserved. corflags : warning CF011 : The specified file is strong name signed. Using /Force will invalidate the signature of this image and will require the assembly to be resigned. and c:\Program Files (x86)\NUnit 2.5.2\bin\net-2.0>CorFlags.exe nunit.exe /32BIT+ /Force with result Microsoft (R) .NET Framework CorFlags Conversion Tool. Version 3.5.21022.8 Copyright (c) Microsoft Corporation. All rights reserved. Also, based on my discussion http://stackoverflow.com/questions/2546340/using-partcover-2-3-with-net-4-0-runtime/2964333#2964333, I also tried to use the x86 version of NUnit What I'm trying to run coverage for is the c# money sample for NUnit 2.5.2 I get the same System.Threading.ThreadInterruptedException --- System.Runtime.InteropServices.COMException (0x80040153): Retrieving the COM class factory for component with CLSID {FB20430E-CDC9-45D7-8453-272268002E08} failed due to the following error: 80040153 Thank you Edit: same thing with PartCover 2.2 My settings: exe file: C:\Program Files (x86)\NUnit 2.5.2\bin\net-2.0\nunit-console-x86.exe working dir: c:\Program Files (x86)\NUnit 2.5.2\samples\csharp\money\ work arg: /config=c:\Program Files (x86)\NUnit 2.5.2\samples\csharp\money\cs-money.csproj rules: +[]

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• File extensions and MIME Types in .NET

  - by Marc Climent

  I want to get a MIME Content-Type from a given extension (preferably without accessing the physical file). I have seen some questions about this and the methods described to perform this can be resumed in: Use registry information. Use urlmon.dll's FindMimeFromData. Use IIS information. Roll your own MIME mapping function. Based on this table, for example. I've been using no.1 for some time but I realized that the information provided by the registry is not consistent and depends on the software installed on the machine. Some extensions, like .zip don't use to have a Content-Type specified. Solution no.2 forces me to have the file on disk in order to read the first bytes, which is something slow but may get good results. The third method is based on Directory Services and all that stuff, which is something I don't like much because I have to add COM references and I'm not sure it's consistent between IIS6 and IIS7. Also, I don't know the performance of this method. Finally, I didn't want to use my own table but at the end seems the best option if I want a decent performance and consistency of the results between platforms (even Mono). Do you think there's a better option than using my own table or one of other described methods are better? What's your experience?

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• What is the best keyboard for typing speed (not layouts)

  - by Gapton

  So I am a programmer, and I like playing typing speed games. My typing speed is, for common English words, 85 to 90 wpm, max 95. I type on various devices, my laptop, desktop, office pc.... they all have slightly different keyboards. Being a curious programmer, I wonder what types of keyboard is used for the highest possible typing speed. Or let me phrase it in another way, what is the type of keyboards that people use in typing speed contest? Here is something I know that I feel like I can share: It must be a wired keyboard, I can feel the lag as I am typing this on my wireless keyboard, even if it is a slightly more expensive model which claims to have zero lag. I know people prefer a mechanical keyboard, for the hepatic feedback, however I have not tried one. It lasts longer and is noisy, it also does not have the problem of normal keyboards where you press many keys at a time the signals will get all jammed and the computer will only receive one or two keys. I personally prefer those "thin profile" keyboards. I type a lot, and 95 wpm put me in the top 5%, this is of course just on a gaming site. However when I type on the fat keyboards, my fingers have to travel a much longer distance before the keys actually click. This is where I find myself typing much faster with those thin profile keyboards found on my laptop. Because my fingers only hover on the keys and I only need to press a short distance, each stroke takes less force and light rapid strokes is what makes me type fast. When I type on a fat keyboard, I was forced to use heavy strokes, and this slows me down. There must be some people out there who are keyboard scientists, who actually do experiments and user tests with different setups. It would be interesting to understand more about the things we use everyday for not just work but a majority of our communications. P.S. this is about hardware and not about switching keyboard layouts to dvorak

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• stunnel not working - stunnel.pem: No such file or directory

  - by Marronsuisse

  I am trying to install stunnel on an amazon LINUX machine. (i want to configure postfix so that it sends its emails through amazon ses) I first tried to install from the tar.gz package download from http://www.stunnel.org and installed with the commands: ./configure make make install but than the stunnel command was still not found. Then I installed with yum install stunnel. But now when I try I get: sudo stunnel 2012.06.23 06:51:53 LOG7[20071:3078289200]: Snagged 64 random bytes from /root/.rnd 2012.06.23 06:51:53 LOG7[20071:3078289200]: Wrote 1024 new random bytes to /root/.rnd 2012.06.23 06:51:53 LOG7[20071:3078289200]: RAND_status claims sufficient entropy for the PRNG 2012.06.23 06:51:53 LOG7[20071:3078289200]: PRNG seeded successfully 2012.06.23 06:51:53 LOG3[20071:3078289200]: stunnel.pem: No such file or directory (2) So it seems there is still a problem with the install. When I use the locate stunnel command, I see files a bit everywhere. How can I do to have a clean install of stunnel? Edit: i was following this procedure: http://docs.amazonwebservices.com/ses/latest/DeveloperGuide/SMTP.MTAs.SecureTunnel.html when I got stuck at point 5 and got the stunnel.pem: No such file or directory message.

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• How to get Employeers-ID atribute from active directory on webpart

  - by Serafi

  Hello all, I have managed to get info about the currently logged in user on my webpart by using this short code; WindowsPrincipal p = Thread.CurrentPrincipal as WindowsPrincipal; string strLoggedInUser = p.Identity.Name; What I would need now, is to get info of Employeer-ID atribute from the active directory, wich I have added by following this quide over here; http://www.tech-archive.net/Archive/Windows/microsoft.public.windows.server.active_directory/2005-08/msg01766.html I have found serval of quides about how to use active directory on the webpart, but they all were very complex for me to understand. And I only wish to get info about this single attribute "Employeers-ID". Can anyone help me with this? Thanks in advance!

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• Cannot open files in Visual Studio but in Delphi and Notepad

  - by Andrew J. Brehm

  About an hour ago Visual Studio 2008 decided that it cannot find files any more. This is on 64 bit Windows Vista. When I right-click on a text file (source code or otherwise) and select "open with" and "Visual Studio 2008", I get the following error (example): Windows cannot find 'C:\Users\ajbrehm\Documents\Visual Studio 2008\Projects\Hello Prism\Hello Prism\Main.pas'. Make sure you typed the name correctly, and then try again. When I right-click the same file and select "open with" and "Delphi 2010" or "Notepad" (both other options available for text files on my system), the file opens correctly. Oddly enough when the file is part of a Visual Studio project and I open the project itself with Visual Studio (this works), I can open the file from within Visual Studio. Any ideas what might be going on? This started about an hour after I made a complete backup of my Vista VM and after I installed IIS 7, SQL Express, and Sourcegear Vault. The first files I noticed couldn't be opened in Visual Studio any more where Pascal source files in checked-outed folders from Vault. And Vault also seems to be unable to see one of the sources files and claims they don't exist. I found out about Visual Studio not opening ANY files any more when I tried to recreate the file Vault refused to see. Update: I just checked. Another user, "administrator", can still open text files with Visual Studio 2008. Both users have administrator rights. Update: I just restored the hours-old backup. Same problem. Apparently whatever triggered this happened before the install of IIS 7 and SQL Express. Never noticed it before.

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• how to serialize a DataTable to json or xml

  - by loviji

  Hello, i'm trying to serialize DataTable to Json or XML. is it possibly and how? any tutorials and ideas, please. For example a have a sql table: CREATE TABLE [dbo].[dictTable]( [keyValue] [int] IDENTITY(1,1) NOT NULL, [valueValue] [int] NULL, CONSTRAINT [Psd2Id] PRIMARY KEY CLUSTERED ( [keyValue] ASC )WITH (PAD_INDEX = OFF, IGNORE_DUP_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] C# code: string connectionString = "server=localhost;database=dbd;uid=**;pwd=**"; SqlConnection mySqlConnection = new SqlConnection(connectionString); string selectString = "SELECT keyValue, valueValue FROM dicTable"; SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = selectString; SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet myDataSet = new DataSet(); mySqlConnection.Open(); string dataTableName = "dictionary"; mySqlDataAdapter.Fill(myDataSet, dataTableName); DataTable myDataTable = myDataSet.Tables[dataTableName]; //now how to serialize it?

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• NHibernate Generators

  - by Dan

  What is the best tool for generating Entity Class and/or hbm files and/or sql script for NHibernate. This list below is from http://www.hibernate.org/365.html, which is the best any why? Moregen Free, Open Source (GPL) O/R Generator that can merge into existing Visual Studio Projects. Also merges changes to generated classes. NConstruct Lite Free tool for generating NHibernate O/R mapping source code. Different databases support (Microsoft SQL Server, Oracle, Access). GENNIT NHibernate Code Generator Free/Commercial Web 2.0 code generation of NHibernate code using WYSIWYG online UML designer. GenWise Studio with NHibernate Template Commercial product; Imports your existing database and generates all XML and Classes, including factories. It can also generate a asp.net web-application for your NHibernate BO-Layer automatically. HQL Analyzer and hbm.xml GUI Editor ObjectMapper by Mats Helander is a mapping GUI with NHibernate support MyGeneration is a template-based code generator GUI. Its template library includes templates for generating mapping files and classes from a database. AndroMDA is an open-source code generation framework that uses Model Driven Architecture (MDA) to transform UML models into deployable components. It supports generation of data access layers that use NHibernate as their persistence framework. CodeSmith Template for NH NHibernate Helper Kit is a VS2005 add-in to generate classes and mapping files. NConstruct - Intelligent Software Factory Commercial product; Full .NET C# source code generation for all tiers of the information system trough simple wizard procedure. O/R mapping based on NHibernate. For both WinForms and ASP.NET 2.0.

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• Explicit behavior with checks vs. implicit behavior

  - by Silviu

  I'm not sure how to construct the question but I'm interested to know what do you guys think of the following situations and which one would you prefer. We're working at a client-server application with winforms. And we have a control that has some fields automatically calculated upon filling another field. So we're having a field currency which when filled by the user would determine an automatic filling of another field, maybe more fields. When the user fills the currency field, a Currency object would be retrieved from a cache based on the string introduced by the user. If entered currency is not found in the cache a null reference is returned by the cache object. Further down when asking the application layer to compute the other fields based on the currency, given a null currency a null specific field would be returned. This way the default, implicit behavior is to clear all fields. Which is the expected behavior. What i would call the explicit implementation would be to verify that the Currency object is null in which case the depending fields are cleared explicitly. I think that the latter version is more clear, less error prone and more testable. But it implies a form of redundancy. The former version is not as clear and it implies a certain behavior from the application layer which is not expressed in the tests. Maybe in the lower layer tests but when the need arises to modify the lower layers, so that given a null currency something else should be returned, i don't think a test that says just that without a motivation is going to be an impediment for introducing a bug in upper layers. What do you guys think?

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• Network corruption - corrupt downloads, corrupt streams, etc.

  - by rfrankel

  I've been having some problems with my home LAN. Downloaded executables won't run, my remote desktop sessions keep getting interrupted due to encryption errors, flash video streams show visible corruption (both Hulu and YouTube), and I've had a couple downloads for which the md5 hashes don't match. The problem has even occurred with a couple images embedded in webpages, though that's rare enough (presumably because images are relatively smaller files). I've had this problem across two Windows machines and a Mac, so it's neither machine-specific nor at the app or OS level. Comcast claims it's nothing to do with them, and my Linksys/Cisco RV016 router is out of warranty, so I have no access to official support. When I log into my router, it shows no error packets or dropped packets received. I plugged a laptop directly into the router and was able to download a 5.5 MB file and verify its MD5 hash, which is not proof that the problem is downstream of the router, but makes it seem quite likely, since I failed to download the same file several times from two desktops (one Mac, one Windows). Could this be a wiring problem? If so, is there any way clever/elegant to determine which wiring is faulty with just software? If I can avoid tracing all the wires throughout my entire house it would make my life quite a bit easier.

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• Dynamically created "CheckBoxList" in placeholder controls throwing null reference exception error d

  - by newName

  I have a web form that will dynamically create a number of checkboxlist filled with data based on the number of row in database. Then this is added to a placeholder to be displayed. theres a button when clicked, will add the selected check boxes value into database but right now when the button is clicked and after the postback, the page will show the error "System.NullReferenceException". the following code is written in Page_Load in (!Page.IsNotPostBack) and in a loop that will dynamically create a number of checkboxlist: CheckBoxLis chkContent = new CheckBoxList(); chkContent.ID = chkIDString; //chkIDString is an incremental int based on the row count chkContent.RepeatDirection = RepeatDirection.Horizontal; foreach (List<t> contentList in List<t>) //data retrieved as List<t> using LINQ { ListItem contents = new ListItem(); contents.Text = contentList.Title; contents.Value = contentList.contentID.ToString(); chkContent.Items.Add(contents); } plcSchool.Controls.Add(chkContent); //plcSchool is my placeholder plcSchool.Controls.Add(new LiteralControl("<br>")); protected void btnAdd_Click(object sender, EventArgs e) { CheckBoxList cbl = Page.FindControl("chkContent4") as CheckBoxList; Response.Write(cbl.SelectedValue.ToString()); // now im just testing to get the value from one of the checkboxlist } Anyone able to help, as it seems the controls are not recreated after the postback, therefore it can't find the control and throwing the null reference exception.

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• Are there any decent free JAVA data plotting libraries out there?

  - by Kurt W. Leucht

  On a recent JAVA project, we needed a free JAVA based real-time data plotting utility. After much searching, we found this tool called the Scientific Graphics Toolkit or SGT from NOAA. It seemed pretty robust, but we found out that it wasn't terribly configurable. Or at least not configurable enough to meet our needs. We ended up digging very deeply into the JAVA code and reverse engineering the code and changing it all around to make the plot tool look and act the way we wanted it to look and act. Of course, this killed any chance for future upgrades from NOAA. So what free or cheap JAVA based data plotting tools or libraries do you use? Followup: Thanks for the JFreeChart suggestions. I checked out their website and it looks like a very nice data charting and plotting utility. I should have made it clear in my original question that I was looking specifically to plot real-time data. I corrected my question above to make that point clear. It appears that JFreeChart support for live data is marginal at best, though. Any other suggestions out there?

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• Windows Server 2008 SMTP & POP3 Configuration

  - by Alex Hope O'Connor

  This is the first time I have ever configured a VPS server without 3rd party applications such as Plesk control panel. I have got most functionality working in all my websites except I am very unsure as to how I can setup my email functionality on this new server. Basically I want the standard POP3 functionality, a bunch of accounts with private boxes, all able to send and receive emails using their individual usernames and passwords. My server setup is pretty simple, its a VPS with IIS & DNS Server running. What I have tried to do to setup SMTP & POP3 is adding the SMTP Server feature through the Server Manager Console (very unsure of the configuration as guides I found did not explain), I then installed a 3rd party application called Visdeno SMTP Extender as it claims to be a POP3 service providing accounting and the ability to communicate with email clients. That is as far as I have gotten as I can not seem to find too much information on the subject. So can someone please tell me how to go about configuring these services in order to provide standard SMTP & POP3 functionality? Thanks, Alex.

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• Atomic INSERT/SELECT in HSQLDB

  - by PartlyCloudy

  Hello, I have the following hsqldb table, in which I map UUIDs to auto incremented IDs: SHORT_ID (BIG INT, PK, auto incremented) | UUID (VARCHAR, unique) Create command: CREATE TABLE table (SHORT_ID BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY, UUID VARCHAR(36) UNIQUE) In order to add new pairs concurrently, I want to use the atomic MERGE INTO statement. So my (prepared) statement looks like this: MERGE INTO table USING (VALUES(CAST(? AS VARCHAR(36)))) AS v(x) ON ID_MAP.UUID = v.x WHEN NOT MATCHED THEN INSERT VALUES v.x When I execute the statement (setting the placeholder correctly), I always get a Caused by: org.hsqldb.HsqlException: row column count mismatch Could you please give me a hint, what is going wrong here? Thanks in advance.

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• Perl XML SAX parser emulating XML::Simple record for record

  - by DVK

  Short Q summary: I am looking a fast XML parser (most likely a wrapper around some standard SAX parser) which will produce per-record data structure 100% identical to those produced by XML::Simple. Details: We have a large code infrastructure which depends on processing records one-by-one and expects the record to be a data structure in a format produced by XML::Simple since it always used XML::Simple since early Jurassic era. An example simple XML is: <root> <rec><f1>v1</f1><f2>v2</f2></rec> <rec><f1>v1b</f1><f2>v2b</f2></rec> <rec><f1>v1c</f1><f2>v2c</f2></rec> </root> And example rough code is: sub process_record { my ($obj, $record_hash) = @_; # do_stuff } my $records = XML::Simple->XMLin(@args)->{root}; foreach my $record (@$records) { $obj->process_record($record) }; As everyone knows XML::Simple is, well, simple. And more importantly, it is very slow and a memory hog - due to being a DOM parser and needing to build/store 100% of data in memory. So, it's not the best tool for parsing an XML file consisting of large amount of small records record-by-record. However, re-writing the entire code (which consist of large amount of "process_record"-like methods) to work with standard SAX parser seems like an big task not worth the resources, even at the cost of living with XML::Simple. What I'm looking for is an existing module which will probably be based on a SAX parser (or anything fast with small memory footprint) which can be used to produce $record hashrefs one by one based on the XML pictured above that can be passed to $obj->process_record($record) and be 100% identical to what XML::Simple's hashrefs would have been. I don't care much what the interface of the new module is - e.g whether I need to call next_record() or give it a callback coderef accepting a record.

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• Exception with Subsonic 2.2, SQLite and Migrations

  - by Holger Amann

  Hi, I'm playing with Migrations and created a simple migration like public class Migration001 : Migration { public override void Up() { TableSchema.Table testTable = CreateTableWithKey("TestTable"); } public override void Down() { } } after executing sonic.exe migrate I'm getting the following output: Setting ConfigPath: 'App.config' Building configuration from c:\tmp\MigrationTest\MigrationTest\App.config Adding connection to SQLiteProvider Found 1 migration files Current DB Version is 0 Migrating to 001_Init (1) There was an error running migration (001_Init): SQLite error near "IDENTITY": syntax error Stack Trace: at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] argum ents, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] argume nts, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwn er) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invoke Attr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisib ilityChecks) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invoke Attr, Binder binder, Object[] parameters, CultureInfo culture) at SubSonic.CodeRunner.RunAndExecute(ICodeLanguage lang, String sourceCode, S tring methodName, Object[] parameters) in D:\@SubSonic\SubSonic\SubSonic.Migrati ons\CodeRunner.cs:line 95 at SubSonic.Migrations.Migrator.ExecuteMigrationCode(String migrationFile) in D:\@SubSonic\SubSonic\SubSonic.Migrations\Migrator.cs:line 177 at SubSonic.Migrations.Migrator.Migrate() in D:\@SubSonic\SubSonic\SubSonic.M igrations\Migrator.cs:line 141 Any hints?

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• Accessing network shares on Windows7 via SonicWall VPN client

  - by Jack Lloyd

  I'm running Windows7 x64 (fully patched) and the SonicWall 4.2.6.0305 client (64-bit, claims to support Windows7). I can login to the VPN and access network resources (eg SSH to a machine that lives behind the VPN). However I cannot seem to be able to access shared filesystems. Windows is refusing to do discovery on the VPN network. I suspect part of the problem is Windows persistently considers the VPN connection to be a 'public network'. Normally, you can open the network and sharing center and modify this setting, however it does not give me a choice for the VPN. So I did the expedient thing and turned on file sharing for public networks. I also disabled the Windows firewall for good measure. Still no luck. I can access the server directly by putting \\192.168.1.240 in the taskbar, which brings up the list of shares on the server. However, trying to open any of the shares simply tells me "Windows cannot access \\192.168.1.240\share You do not have permission to access ..."; it never asks for a domain password. I also tried Windows7 native VPN functionality - it couldn't successfully connect to the VPN at all. I suspect this is because SonicWall is using some obnoxious special/undocumented authentication system; I had similar problems trying to connect on Linux with the normal IPsec tools there. What magical invocation or control panel option am I missing that will let this work? Are there any reasonable debugging strategies? I'm feeling quite frustrated at Windows tendency to not give me much useful information that might let me understand what it is trying to do and what is going wrong.

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• How to rescue from an SD (SDHC) card that I can't reformat (possible hardware failure)

  - by sbwoodside

  I have a transcend 16GB SDHC card and a lot of photos on it that I'd like to recover. When I plug it into the SD card reader, it takes a while for the Mac to even recognize that there's a disk present, and it shows up as 1.07GB with geometry 520/64/63 (according to fdisk). First I tried file recovery: PhotoRec: no files are found (the images are in CR2 format and I'm using testdisk-6.14-WIP which claims to recognize that format under TIF) dd / ddrescue: they create a 1.07GB image, same problem as above TestDisk: doesn't find any partitions to recover I found a source saying that the correct geometry for this type of SD Card is Heads 255, Sectors/Track 63, Cylinders 1953, so I tried manually setting that geometry in PhotoRec/TestDisk. No improvement. Next I tried formatting the disk with fdisk. After writing and quitting, I ran fdisk again and it reported that the new format hadn't been saved on the disk. I also tried resetting the format/partitions with TestDisk and that failed also. The fdisk log is below. I don't really care about the card, I've already ordered a new SanDisk card. But I'd like to get the data off. Maybe, is there any way to force dd or some other tool to create an image of the disk based on the original geometry and not on what the card "thinks" its geometry is? Or am I missing something?

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• How do you get AOL's OpenID site verification to work?

  - by Shawn Miller

  I have an OpenID relying party setup and using XRDS. It passes the "RP has discoverable return_to" interop test over at http://test-id.org/RP/DiscoverableReturnTo.aspx. Yahoo no longer complains with the message "Warning: This website has not confirmed its identity with Yahoo! and might be fraudulent." as outlined in Andrew Arnott's excellent blog post: http://blog.nerdbank.net/2008/06/why-yahoo-says-your-openid-site.html However, when I try to authenticate using AOL I see the "Warning! site verification could not be completed." message.

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• Character encoding issues when generating MD5 hash cross-platform

  - by rogueprocess

  This is a general question about character encoding when using MD5 libraries in various languages. My concern is: suppose I generate an MD5 hash using a native Python string object, like this: message = "hello world" m = md5() m.update(message) Then I take a hex version of that MD5 hash using: m.hexdigest() and send the message & MD5 hash via a network, let's say, a JMS message or a HTTP request. Now I get this message in a Java program in the form of a native Java string, along with the checksum. Then I generate an MD5 hash using Java, like this (using the Commons Codec library): String md5 = org.apache.commons.codec.digest.DigestUtils.DigestUtils.md5Hex(s) My feeling is that this is wrong because I have not specified character encodng at either end. So the original hash will be based on the bytes of the Python version of the string; the Java one will be based on the bytes of the Java version of the string , these two byte sequences will often not be the same - is that right? So really I need to specify "UTF-8" or whatever at both ends right? (I am actually getting an intermittent error in my code where the MD5 checksum fails, and I suspect this is the reason - but because it's intermittent, it's difficult to say if changing this fixes it or not. ) Thank you!

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• I'm going to write 'Unit of Work', please help me find out all gimmicks

  - by o..o

  Hi everybody, I'm going to write my own DAL in C#. I decided to use 'Unit of Work' pattern (next mentioned as uow) with request as a scope and Identity map stored in HttpContext.Items. I have right now question about implementing of CRUD methods. How/where are they implemented? Are they implemented in every single business class (as in active records pattern) or are implemented somehow in uow class (if so, how)? I also suppose that I need to use as the scope not just the request, but also the db connection. But how? Should I open the connection a the start of the request and close it on uow disposing? Every advice is strongly appreciated, especially Your "real world" experiences. Thank you all :)

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