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• Error connecting to online fossil repository after changing password.

  - by Toby Allen

  I set up a fossil repository on a shared hosting account I have. I created a perl script fossil.pl that points to a cloned repository that I put up on the webspace. I set all the correct permissions (755). When I go to fossil.pl I get the web ui. Everythings cool. However I'm having a problem with pushes and hoping someone could point me to a solution. When I clone a repository it sets a new password for me (Toby) in the new cloned repository. If I push to this repository online without changing the password it works fine, I can push up changes from my local machine to the online repository. However once I change the password for Toby (to something more easily remembered by me) I get the following error. Bytes Cards Artifacts Deltas Send: 1810 9 0 2 1Server Error: not authorized to write fossil: server says: not authorized to write Anyone know why this is happening? Anyone know how to fix it?

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• Is Updating double operation atomic

  - by Yan Cheng CHEOK

  In Java, updating double and long variable may not be atomic, as double/long are being treated as two separate 32 bits variables. http://java.sun.com/docs/books/jls/second_edition/html/memory.doc.html#28733 In C++, if I am using 32 bit Intel Processor + Microsoft Visual C++ compiler, is updating double (8 byte) operation atomic? I cannot find much specification mention on this behavior. When I say "atomic variable", here is what I mean : Thread A trying to write 1 to variable x. Thread B trying to write 2 to variable x. We shall get value 1 or 2 out from variable x, but not an undefined value.

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• How do I perform an HSL transform on a texture?

  - by Mason Wheeler

  If I have an OpenGL texture, and I need to perform HSL modifications on it before rendering the texture, from what I've heard I need a shader. Problem is, I know nothing about shaders. Does anyone know where I would need to look? I want to write a function where I can pass in a texture and three values, a hue shift in degrees, and saturation and lightness multipliers between 0 and 2, and then have it call a shader that will apply these transformations to the texture before it renders. The interface would look something like this: procedure HSLTransform(texture: GLuint; hShift: integer; sMult, lMult: GLfloat); I have no idea what's supposed to go inside the routine, though. I understand the basic math involved in HSL/RGB conversions, but I don't know how to write a shader or how to apply it. Can someone point me in the right direction? Delphi examples preferred, but I can also read C if I have to.

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• how to do this in shell

  - by user150674

  I have a very large file, named 'ColCheckMe', tab-delimited, that you are asked to process. You are told that each line in 'ColCheckMe' has 7 columns, and that the values in the 5th column are integers. Using shell functions indicate how you would verify that these conditions are satisfied in 'ColCheckMe' if In the same file, each value in column 1 is unique. How would I verify that? Also how to write a shell function that counts the number of occurrences of the word “SpecStr” in the file 'ColCheckMe' I tried the first part which checks for the valid number of field and checks the 5th field being integer field. nawk ' NF != 7 { printf("[%d] has invalid [%d] number of fields\n", FNR, NF) } $5 !~ /^[0-9]+$/ { printf("[%d] 5th field is invalid [%s]\n", FNR, $5) }' ColCheckMe now i wanna verify in the same file if the value in column 1 is unique. Also is there a way to write a shell function to count the occurrences of the world "SpecStr" in the file 'ColCheckMe' Thanks a lot

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• Asp.net MVC and MOSS 2010 integration

  - by Robert Koritnik

  Just a sidenote: I'm not sure whether I should post this to serverfault as well, because some MOSS admin may have some info for me as well? A bit of explanation first (without Asp.net MVC) Is it possible to integrate the two? Is it possible to write an application that would share at least credential information with MOSS? I have to write a MOSS application that has to do with these technologies: MOSS 2010 Personal client certificates authentication (most probably on USB keys) Active Directory Federation Services Separate SQL DB that would serve application specific data (separate as not being part of MOSS DB) How should it work? Users should authenticate using personal certificates into MOSS 2010 There would be a certain part of MOSS that would be related to my custom application This application should only authorize certain users via AD FS - I guess these users should have a certain security claim attached to them This application should manage users (that have access to this app) with additional (app specific) security claims related to this application (as additional application level authorization rights for individual application parts) This application should use custom SQL 2008 DB heavily with its own data This application should have the possibility to integrate with external systems as well (Exchange for instance to inject calendar entries, ERP systems etc) This application should be able to export its data (from its DB) to files. I don't know if it's possible, but it would be nice if the app could add these files to MOSS and attach authorization info to them so only users with sufficient rights would be able to view/open these files. Why Asp.net MVC then? I'm very well versed in Asp.net MVC (also with the latest version) and I haven't done anything on Sharepoint since version 2003 (which doesn't do me no good or prepare me for the latest version in any way shape or form). This project will most probably be a death march project so I would rather write my application as a UI rich Asp.net MVC application and somehow integrate it into MOSS. But not only via a link, because I would like to at least share credentials, so users wouldn't need to re-login when accessing my app. Using Asp.net MVC I would at least have the possibility to finish on time or be less death marching. Is this at all possible? Questions Is it possible to integrate Asp.net MVC into MOSS as described above? If integration is not possible, would it be possible to create a completely MOSS based application that would work as described? Which parts of MOSS 2010 should I use to accomplish what I need?

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• Does my fat-client application belong in the MVC pattern?

  - by boatingcow

  The web-based application I’m currently working on is growing arms and legs! It’s basically an administration system which helps users to keep track of bookings, user accounts, invoicing etc. It can also be accessed via a couple of different websites using a fairly crude API. The fat-client design loosely follows the MVC pattern (or perhaps MVP) with a php/MySQL backend, Front Controller, several dissimilar Page Controllers, a liberal smattering of object-oriented and procedural Models, a confusing bunch of Views and templates, some JavaScripts, CSS files and Flash objects. The programmer in me is a big fan of the principle of “Separation of Concerns” and on that note, I’m currently trying to figure out the best way to separate and combine the various concerns as the project grows and more people contribute to it. The problem we’re facing is that although JavaScript (or Flash with ActionScript) is normally written with the template, hence part of the View and decoupled from the Controller and Model, we find that it actually encompasses the entire MVC pattern... Swap an image with an onmouseover event - that’s Behaviour. Render a datagrid - we’re manipulating the View. Send the result of reordering a list via AJAX - now we’re in Control. Check a form field to see if an email address is in a valid format - we’re consulting the Model. Is it wise to let the database people write up the validation Model with jQuery? Can the php programmers write the necessary Control structures in JavaScript? Can the web designers really write a functional AJAX form for their View? Should there be a JavaScript overlord for every project? If the MVC pattern could be applied to the people instead of the code, we would end up with this: Model - the database boffins - “SELECT * FROM mind WHERE interested IS NULL” Control - pesky programmers - “class Something extends NothingAbstractClass{…}” View - traditionally the domain of the graphic/web designer - “” …and a new layer: Behaviour - interaction and feedback designer - “CSS3 is the new black…” So, we’re refactoring and I’d like to stick to best practice design, but I’m not sure how to proceed. I don’t want to reinvent the wheel, so would anyone have any hints or tips as to what pattern I should be looking at or any code samples from someone who’s already done the dirty work? As the programmer guy, how can I rewrite the app for backend and front end whilst keeping the two separate? And before you ask, yes I’ve looked at Zend, CodeIgnitor, Symfony, etc., and no, they don’t seem to cross the boundary between server logic and client logic!

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• Mocking using boost::shared_ptr and AMOP

  - by Edison Gustavo Muenz

  Hi, I'm trying to write mocks using amop. I'm using Visual Studio 2008. I have this interface class: struct Interface { virtual void Activate() = 0; }; and this other class which receives pointers to this Interface, like this: struct UserOfInterface { void execute(Interface* iface) { iface->Activate(); } }; So I try to write some testing code like this: amop::TMockObject<Interface> mock; mock.Method(&Interface::Activate).Count(1); UserOfInterface user; user.execute((Interface*)mock); mock.Verifiy(); It works! So far so good, but what I really want is a boost::shared_ptr in the execute() method, so I write this: struct UserOfInterface { void execute(boost::shared_ptr<Interface> iface) { iface->Activate(); } }; How should the test code be now? I tried some things, like: amop::TMockObject<Interface> mock; mock.Method(&Interface::Activate).Count(1); UserOfInterface user; boost::shared_ptr<Interface> mockAsPtr((Interface*)mock); user.execute(mockAsPtr); mock.Verifiy(); It compiles, but obviously crashes, since at the end of the scope the variable 'mock' gets double destroyed (because of the stack variable 'mock' and the shared_ptr). I also tried to create the 'mock' variable on the heap: amop::TMockObject<Interface>* mock(new amop::TMockObject<Interface>); mock->Method(&Interface::Activate).Count(1); UserOfInterface user; boost::shared_ptr<Interface> mockAsPtr((Interface*)*mock); user.execute(mockAsPtr); mock->Verifiy(); But it doesn't work, somehow it enters an infinite loop, before I had a problem with boost not finding the destructor for the mocked object when the shared_ptr tried to delete the object. Has anyone used amop with boost::shared_ptr successfully?

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• C# .Net file in use issue

  - by Dan

  I'm having an issue opening files that have recently been closed by the .Net framework. Basically, what happens is the following: -Read in an XML file using DataSet.ReadXml() -Make some changes to the data -Write out the XML file using DataSet.WriteXml() -Copy the XML file to a new location using File.Copy -FTP the file using a custom control This sequence can intermittently fail either after the WriteXML or the File.Copy with a file in use exception. I'm guessing it could be the Windows write cache not flushing right away. Can anyone confirm that this could be causing my issue? Any solutions to suggest? Thanks, Dan

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• How to find the right balance between "quick & dirty" and "nice & general" code?

  - by Frank

  This is not a direct programming question, but a little help from the programming community would be appreciated. I am suffering from an overgeneralization disease. I can't stop spending valuable time with making my code most general and abstract. I could also call it the toolkit/library disease. I tend to turn every programming task into a general problem and try to "write a toolkit", that would work for many similar problems. I know it's a good thing in general, if there is enough time, but sometimes I should be writing a quick prototype and just can't seem to write the quick and dirty code that just works for the special case. I often get excited about an idea that makes the code more general and user-configurable and understimate the time it takes to actually implement it that way. Does anyone else have this experience? How can I force myself to find the right balance between "quick hack" and "nice solution"?

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• ASP.Net MVC2 Client and Server Validation sharing the same code - is it possible?

  - by RemotecUk

  With the excellent XVal by Steve Sanderson, it is possible to tell the client side validation to post the value being validated to the server using jquery. A method on the server then uses the same server side code you use for your server side validation, and returns simply a true or false to determine if the field is valid. The advantage of this method is that you write your complex validation logic once in C# code and then put some JQuery plumbing in to tell your client page where to go to access your server validation. I have been reading some blogs on MVC2 but no one seems to mention this functionality. Is it possible to tell the Microsoft MVC validation javascript to call a url validate data? Or do you have to write your own client side validation routines. I should note that using the xVal method a custom validation to say if an email address is in use or not can be run from the client via a JQuery post which accesses the server side validation logic.

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• google book api

  - by ohana

  hi, i need to add google's book preview button in my web app. I tried Google Book Search APIs, and used their dynamic links, and added the following in my jquery code: var cburl = "http://books.google.com/books"; var api_url = cburl + "?jscmd=viewapi&bibkeys=" + "0321525566"; document.write(unescape("%3Cscript src=" + api_url + " type='text/javascript'%3E%3C/script%3E")); from firebug, i can see google responsed: var _GBSBookInfo = {"0321525566":{"bib_key":"0321525566","info_url":"http://books.google.com/books?id=VBRePgAACAAJ\u0026source=gbs_ViewAPI","preview_url":"http://books.google.com/books?id=VBRePgAACAAJ\u0026cd=1\u0026source=gbs_ViewAPI","thumbnail_url":"http://bks4.books.google.com/books?id=VBRePgAACAAJ\u0026printsec=frontcover\u0026img=1\u0026zoom=5\u0026sig=ACfU3U2i79GUit7BKFSvfvuZ1daX4EpZjg","preview":"noview","embeddable":false}}; however jquery complaint 'No _GBSBookInfo is defined'. then i tried jquery's ajax as blow instead of Document.write(): $.ajax({ url:api_url, success: function(_GBSBookInfo) { alert(_GBSBookInfo); alert('load was performed'); } }); still got the same complaint...anyone can help?

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• asp.net mvc post variable to controller

  - by Erwin

  Hello fellow programmer I came from PHP language(codeigniter), but now I learning ASP.Net MVC :) In PHP codeigniter we can catch the post variable easily with $this->input->post("theinput"); I know that in ASP.Net MVC we can create an action method that will accepts variable from post request like this public ActionResult Edit(string theinput) Or by public ActionResult Edit(FormCollection formCol) Is there a way to catch post variable in ASP.Net like PHP's codeigniter, so that we don't have to write FormCollection object nor have to write parameter in the action method (because it can get very crowded there if we pass many variable into it) Is there a simple getter method from ASP.Net to catch these post variables?

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• Upload large files in .NET

  - by Austin

  I've done a good bit of research to find an upload component for .NET that I can use to upload large files, has a progress bar, and can resume the upload of large files. I've come across some components like AjaxUploader, SlickUpload, and PowUpload, to name a few. Each of these options cost money and only PowUpload does the resumable upload, but it does it with a java applet. I'm willing to pay for a component that does those things well, but if I could write it myself that would be best. I have two questions: Is it possible to resume a file upload on the client without using flash/java/Silverlight? Does anyone have some code or a link to an article that explains how to write a .NET HTTPHandler that will allow streaming upload and an ajax progress bar? Thank you, Austin [Edit] I realized I do need to be able to do resumable file uploads for my project, any suggestions for components that can do that?

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• Getting error while transfering PGP file through FTP : The underlying connection was closed: An unex

  - by sumeet Sharma

  I am trying to upload a PGP encrypted file through FTP. But I am getting an error message as follows: The underlying connection was closed: An unexpected error occurred on a receive. I am using the following code and getting the error at line: Stream ftpStream = response.GetResponse(); Is there any one who can help me out ASAP. Following is the code sample: FtpWebRequest request = WebRequest.Create("ftp://ftp.website.com/sample.txt.pgp") as FtpWebRequest; request.UsePassive = true; FtpWebResponse response = request.GetResponse() as FtpWebResponse; Stream ftpStream = response.GetResponse(); int bufferSize = 8192; byte[] buffer = new byte[bufferSize]; using (FileStream fileStream = new FileStream("localfile.zip", FileMode.Create, FileAccess.Write)) { int nBytes; while((nBytes = ftpStream.Read(buffer, 0, bufferSize) > 0) { fileStream.Write(buffer, 0, nBytes); } } Regards, Sumeet

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• Best Educational Operating System For Study?

  - by mudge

  What's the best operating system to study in order to write your own x86 operating system from scratch?

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• Debugging ASP.NET Strings Downloaded to Browser

  - by jdk

  I'm downloading a vCard to the browser using Response.Write to output .NET strings with special accented characters. Mime type is text/x-vcard and French characters are appearing wrong in Outlook, for example Montréal;Québec .NET string shows as Montréal Québec in browser. I'm using this vCard code from CodeProject.com I've played with the System.Encoding sample code at the bottom of this linked MSDN page to convert the unicode string into bytes and then write the ascii bytes but then I get Montr?al Qu?bec (progress but not a win). Also I've tried setting content type to both us-ascii and utf-8 of the response. Apparently the vcard file downloads as unicode. If I save it as ASCII text and open in Outlook it's okay. So my assumption is I need to cause download of ASCII but am unsure if I'm doing it wrong or have a misunderstanding of where to start.

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• Calling Save on a Configuration obj with a custom sectiongroup of type NameValueSectionHandler

  - by Allen

  I've got aConfiguration object that I can easily read and write settings from and call Save(ConfigurationSaveMode.Minimal, true) on and that typically works just fine. However, I now have a config file that has a custom sectionGroup defined of type System.Configuration.NameValueSectionHandler (I didn't write that part and I can't change it). Now when I call the Save method, it throws a TypeLoadException Message: Type System.Configuration.NameValueSectionHandler does not inherit from System.Configuration.ConfigurationSectionGroup. Callstack: at System.Configuration.TypeUtil.VerifyAssignableType (Type baseType, Type type, Boolean throwOnError) at System.Configuration.TypeUtil.GetConstructorWithReflectionPermission (Type type, Type baseType, Boolean throwOnError) at System.Configuration.MgmtConfigurationRecord.CreateSectionGroupFactory (FactoryRecord factoryRecord) at System.Configuration.MgmtConfigurationRecord.EnsureSectionGroupFactory (FactoryRecord factoryRecord) at System.Configuration.MgmtConfigurationRecord.GetSectionGroup (String configKey) at System.Configuration.ConfigurationSectionGroupCollection.Get (String name) at System.Configuration.ConfigurationSectionGroupCollection. <GetEnumerator>d__0.MoveNext() at System.Configuration.Configuration.ForceGroupsRecursive (ConfigurationSectionGroup group) at System.Configuration.Configuration.SaveAsImpl (String filename, ConfigurationSaveMode saveMode, Boolean forceSaveAll) at System.Configuration.Configuration.Save (ConfigurationSaveMode saveMode, Boolean forceSaveAll) at MyCompany.MyProduct.blah.blah.Save () in C:\\projects\\blah\\blah\\blah.cs:line blah For reference, the configuration goes like so <configuration> <configSections> ... normal sections here that work just fine, followed by ... <sectionGroup name="threadSettings" type="System.Configuration.NameValueSectionHandler"> <section name="T1" type="System.Configuration.DictionarySectionHandler"/> <section name="T2" type="System.Configuration.DictionarySectionHandler"/> <section name="T3" type="System.Configuration.DictionarySectionHandler"/> </sectionGroup> </configSections> <applicationSettings /> <threadSettings> <T1> <add key="key-here" value="value-here"/> </T1> ... T2 and T3 here as well, thats not interesting ... </threadSettings> </configuration> If I remove the actual sections and the definition for the custom section groups, I am able to read / write settings just fine and even call Save just fine. Obviously the custom section groups could be setup a little nicer but I can't fix that so I'm wondering: Is it possible to get the Configuration object to save if it has custom sectionGroups of the NameValueSectionHandler type

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• Vala for Android?

  - by GnomeCubed

  Is it possible to write a Vala application and get it to run on an Android device?

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• SQL SERVER – Core Concepts – Elasticity, Scalability and ACID Properties – Exploring NuoDB an Elastically Scalable Database System

  - by pinaldave

  I have been recently exploring Elasticity and Scalability attributes of databases. You can see that in my earlier blog posts about NuoDB where I wanted to look at Elasticity and Scalability concepts. The concepts are very interesting, and intriguing as well. I have discussed these concepts with my friend Joyti M and together we have come up with this interesting read. The goal of this article is to answer following simple questions What is Elasticity? What is Scalability? How ACID properties vary from NOSQL Concepts? What are the prevailing problems in the current database system architectures? Why is NuoDB  an innovative and welcome change in database paradigm? Elasticity This word’s original form is used in many different ways and honestly it does do a decent job in holding things together over the years as a person grows and contracts. Within the tech world, and specifically related to software systems (database, application servers), it has come to mean a few things - allow stretching of resources without reaching the breaking point (on demand). What are resources in this context? Resources are the usual suspects – RAM/CPU/IO/Bandwidth in the form of a container (a process or bunch of processes combined as modules). When it is about increasing resources the simplest idea which comes to mind is the addition of another container. Another container means adding a brand new physical node. When it is about adding a new node there are two questions which comes to mind. 1) Can we add another node to our software system? 2) If yes, does adding new node cause downtime for the system? Let us assume we have added new node, let us see what the new needs of the system are when a new node is added. Balancing incoming requests to multiple nodes Synchronization of a shared state across multiple nodes Identification of “downstate” and resolution action to bring it to “upstate” Well, adding a new node has its advantages as well. Here are few of the positive points Throughput can increase nearly horizontally across the node throughout the system Response times of application will increase as in-between layer interactions will be improved Now, Let us put the above concepts in the perspective of a Database. When we mention the term “running out of resources” or “application is bound to resources” the resources can be CPU, Memory or Bandwidth. The regular approach to “gain scalability” in the database is to look around for bottlenecks and increase the bottlenecked resource. When we have memory as a bottleneck we look at the data buffers, locks, query plans or indexes. After a point even this is not enough as there needs to be an efficient way of managing such large workload on a “single machine” across memory and CPU bound (right kind of scheduling)  workload. We next move on to either read/write separation of the workload or functionality-based sharing so that we still have control of the individual. But this requires lots of planning and change in client systems in terms of knowing where to go/update/read and for reporting applications to “aggregate the data” in an intelligent way. What we ideally need is an intelligent layer which allows us to do these things without us getting into managing, monitoring and distributing the workload. Scalability In the context of database/applications, scalability means three main things Ability to handle normal loads without pressure E.g. X users at the Y utilization of resources (CPU, Memory, Bandwidth) on the Z kind of hardware (4 processor, 32 GB machine with 15000 RPM SATA drives and 1 GHz Network switch) with T throughput Ability to scale up to expected peak load which is greater than normal load with acceptable response times Ability to provide acceptable response times across the system E.g. Response time in S milliseconds (or agreed upon unit of measure) – 90% of the time The Issue – Need of Scale In normal cases one can plan for the load testing to test out normal, peak, and stress scenarios to ensure specific hardware meets the needs. With help from Hardware and Software partners and best practices, bottlenecks can be identified and requisite resources added to the system. Unfortunately this vertical scale is expensive and difficult to achieve and most of the operational people need the ability to scale horizontally. This helps in getting better throughput as there are physical limits in terms of adding resources (Memory, CPU, Bandwidth and Storage) indefinitely. Today we have different options to achieve scalability: Read & Write Separation The idea here is to do actual writes to one store and configure slaves receiving the latest data with acceptable delays. Slaves can be used for balancing out reads. We can also explore functional separation or sharing as well. We can separate data operations by a specific identifier (e.g. region, year, month) and consolidate it for reporting purposes. For functional separation the major disadvantage is when schema changes or workload pattern changes. As the requirement grows one still needs to deal with scale need in manual ways by providing an abstraction in the middle tier code. Using NOSQL solutions The idea is to flatten out the structures in general to keep all values which are retrieved together at the same store and provide flexible schema. The issue with the stores is that they are compromising on mostly consistency (no ACID guarantees) and one has to use NON-SQL dialect to work with the store. The other major issue is about education with NOSQL solutions. Would one really want to make these compromises on the ability to connect and retrieve in simple SQL manner and learn other skill sets? Or for that matter give up on ACID guarantee and start dealing with consistency issues? Hybrid Deployment – Mac, Linux, Cloud, and Windows One of the challenges today that we see across On-premise vs Cloud infrastructure is a difference in abilities. Take for example SQL Azure – it is wonderful in its concepts of throttling (as it is shared deployment) of resources and ability to scale using federation. However, the same abilities are not available on premise. This is not a mistake, mind you – but a compromise of the sweet spot of workloads, customer requirements and operational SLAs which can be supported by the team. In today’s world it is imperative that databases are available across operating systems – which are a commodity and used by developers of all hues. An Ideal Database Ability List A system which allows a linear scale of the system (increase in throughput with reasonable response time) with the addition of resources A system which does not compromise on the ACID guarantees and require developers to learn new paradigms A system which does not force fit a new way interacting with database by learning Non-SQL dialect A system which does not force fit its mechanisms for providing availability across its various modules. Well NuoDB is the first database which has all of the above abilities and much more. In future articles I will cover my hands-on experience with it. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology Tagged: NuoDB

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• XML parsing with SAX | how to handle special characters?

  - by cedar715

  We have a JAVA application that pulls the data from SAP, parses it and renders to the users. The data is pulled using JCO connector. Recently we were thrown an exception: org.xml.sax.SAXParseException: Character reference "&#00" is an invalid XML character. So, we are planning to write a new level of indirection where ALL special/illegal characters are replaced BEFORE parsing the XML. My questions here are : 1. Is there any existing(open source) utility that does this job of replacing illegal characters in XML? 2. Or if I had to write such utility, how should i handle them? 3. Why is the above exception thrown? Thank You.

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• JQuery email validation?

  - by DuH

  I'm new to Jquery and was wondering how to write an email validation using JQuery?

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• System.EntryPointNotFoundException:while importing libsrp in a c# code under ubuntu

  - by Hema Joshi

  hi, i am importing libsrp.so in a c# code under ubuntu.my code is using System; using System.IO; using System.Text; using System.Runtime.InteropServices; namespace Main { public static class Test { [DllImport("libsrp.so" ,EntryPoint = "SRP_initialize_library", CallingConvention=CallingConvention.Cdecl)] public static extern int SRP_initialize_library(); [DllImport("libsrp.so" ,EntryPoint = "SRP_finalize_library", CallingConvention=CallingConvention.Cdecl)] public static extern int SRP_finalize_library(); } public class Test1 { public static void Main( string[] args ) { Console.Write("output is:", Test.SRP_initialize_library()); Test. SRP_finalize_library(); Console.Write("\n"); } } } but while runnign the code using mono i am finding error Unhandled Exception: System.EntryPointNotFoundException: SRP_initialize_library at (wrapper managed-to-native) Main.Test:SRP_initialize_library () at Main.Test1.Main (System.String[] args) [0x00000] i am unable to find what is the problem? please tell me where is the problem?

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• jQuery .Ajax() function selector , store specific data in variable

  - by user279321

  I am new to jQuery and I have the following problem. My project has say 2 pages, 1.JSP and 2.html. Now I want to pick selected data from 2.html and use it on 1.JSP. Now this was achieved very easily using .load but I want the data to be present in a JavaScript variable rather than put it on the page (div tags, etc.), so that I can work upon that data (modify or add to database). I tried using .ajax and was able to write the following code: var value = (function () { var val = nulll; var filename = " 2.html"; $.ajax ({ 'async': false, 'global': false, 'url': filename, 'success' : function(data) { val = data; } }) return val; })() document.write(value) Where do I put the selector format (say div.id5) so that my variable have only relevant data rather than the full file data?

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• KISS: Simple C# application which communicates with a RESTful web service.

  - by Workshop Alex

  Following the KISS principle, I suddenly realised the following: In .NET, you can use the Entity Model Framework to wrap around a database. This model can be exposed as a web service through WCF. This web service would have a very standardized definition. A client application could be created which could consume any such RESTful web service. I don't want to re-invent the wheel and it wouldn't surprise me if someone has already done this, so my question is simple: Has anyone already created a simple (desktop, not web) client application that can consume a RESTful service that's based on the Entity Framework and which will allow the user to read and write data directly to this service? Otherwise, I'll just have to "invent" this myself. :-)Problem is, the database layer and RESTful service is already finished. The RESTful service will only stay in the project during it's development phase, since we can use the database-layer assembly directly from the web applications that are build around it. When the web application is deployed, the RESTful services are just kept out of the deployment. But the database has a lot of data to manage over nearly 50 tables. When developing against a local database, we can have straight access to the database so I wouldn't need this tool for this. When it's deployed, the web application would be the only way to access the data so I could not use this tool. But we're also having a test phase where the database is stored on another system outside the local domain and this database is not available for developers. Only administrators have direct access to this database, making tests a bit more complex. However, through the RESTful service, I can still access the data directly. Thus, when some test goes wrong, I can repair the data through this connection or just create a copy of the data for tests on my local system. There's plenty of other functionality and it's even possible to just open the URL to a table service straight in Excel or XMLSpy to see the contents. But when I want to write something back, I have to write special code to do just that. A generic tool that would allow me to access the data and modify it would be easier. Since it's a generic setup around the ADO.NET Data services, this should be reasonable easy too. Thus, I can do it but hoped someone else has already done something similar. But it appears that there's no such tool made yet...

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• Embed a Python persistance layer into a C++ application - good idea?

  - by Rickard

  say I'm about to write an application with a thin GUI layer, a really fat calculation layer (doing computationally heavy calibrations and other long-running stuff) and fairly simple persistance layer. I'm looking at building the GUI + calculation layer in C++ (using Qt for the gui parts). Now - would it be a crazy idea to build the persistance layer in Python, using sqlalchemy, and embed it into the C++ application, letting the layers interface with eachother through lightweigth data transfer objects (written in C++ but accessible from python)? (the other alternative I'm leaning towards would probably be to write the app in Python from the start, using the PyQt wrapper, and then calling into C++ for the computational tasks) Thanks, Rickard

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