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• Java HTML parser/validator

  - by at

  We allow people to enter HTML code on our wiki-like site. But only a limited subset of HTML to not affect our styling and not allow malicious javascript code. Is there a good Java library on the server side to ensure that the code entered is valid? We tried creating an XML Schema document to validate against. The only issue there is the libraries we used to validate gave back cryptic error messages. What I want is for the validation library to actually fix the issue (if there was a style="" attribute added to an element, remove it). If fixing it is not easy, at least allow me to report a message to the user with the location of the error (an error code that I can present a nice message from is fine, probably even preferable).

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• Visual Studio 2010 - Export Template menu option grayed out

  - by Jakobud

  In Visual Studio, I want to make a simple C++ project and export it out as a template, so I can use the template to start new projects to save me time. But the Export Template menu option is always grayed out. I've not once been able to click it. Anyone know why? Anyone know how to accomplish what I need (besides the obvious "make a copy of an existing project in explorer")? It seems like project templates should be a no-brainer feature for VS. This seems to be the case for Visual Studio 2005, 2010 (I probably 2008 as well I haven't checked).

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• Java Web Start: unsigned cglib

  - by Pticed

  I am using hibernate on the server side with a client application started via Java Web Start. I can't sign the jars (I'd like to but I can't). I get a permission exception when I get a POJO with lazy fields. Caused by: java.security.AccessControlException: access denied (java.util.PropertyPermission cglib.debugLocation read) at java.security.AccessControlContext.checkPermission(Unknown Source) at java.security.AccessController.checkPermission(Unknown Source) at java.lang.SecurityManager.checkPermission(Unknown Source) at java.lang.SecurityManager.checkPropertyAccess(Unknown Source) at java.lang.System.getProperty(Unknown Source) at net.sf.cglib.core.DebuggingClassWriter.(DebuggingClassWriter.java:35) ... 44 more How can I avoid that? I thought about setting the collection to null before returning the pojo to the client but I'd like to find a better solution.

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• Books about the philosophy of software development

  - by anon

  The first time I read The Mythical Man Month, I found the book utterly boring, a waste of my time, and thought it was written by some management guru that never wrote a line of code. A few years later, I realized Fred Brooks won the Turing award. Some years after that, after a few large development projects, I started understanding what he was talking about. Are there any other books about software development on a meta/philosophical level—not in the sense of design patterns, templates, or even lisp macros—but at a level where ideas are expressed without code?

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• What are the differences between MSI and EXE installers, and which should I choose?

  - by Jared Harley

  I am working on an installer for a new version of my project (C#). Previously, I've used Inno Setup to create .exe files for installing my projects on other computers in the workplace. While reading through some tutorials, though, I came across Windows Installer XML, which uses XML files to build a .msi installer. My project will be available on a network share that all the employees have access to so they can install the software (I'm currently working on an update checker as well) What are the major differences between .exe and .msi installers? Why would I want to chose one over the other? Would either make more sense given my specific environment? I found some of the information at this question, but there was not a lot of information.

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• Desktop development vs Web development

  - by Sahat

  After doing some google search I've came to conclusion that desktop development is shifting to the web development. Recent demos of HTML5 show us 3D accelerated games running inside of a browser. Is it true that desktop development is slowly dying? Would it make more sense learning ASP.NET, Silverlight and HTML5 rather than the desktop side of .NET such as WinForms and WPF. Who is leading current job trends: Software development or Web development? Who will lead in the near future?

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• What can't I build in Silverlight?

  - by Refracted Paladin

  First, I know that Silverlight needs to be embedded in a website, usually an asp page. I understand I need a delivery boy. My question is this; What types of apps/projects are so filled with technological hurdles as to make them ridiculous to do in Silverlight versus ASP.net? I know that with perseverance and flexibility I can probably make EVERY app in Silverlight, in some version or another, but which ones would be blatantly simple in, say ASP.net(or even WPF) but quite complicated in Silverlight? Basically what I am asking is if there is any reason I shouldn't consider Silverlight my first stop for every problem, obvious exceptions not with standing(a service or console). For me specifically, at this point, I am only building in house apps.

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• *Client* scalability for large numbers of remote web service calls

  - by Yuriy

  Hey Guys, I was wondering if you could share best practices and common mistakes when it comes to making large numbers of time-sensitive web service calls. In my case, I have a SOAP and an XML-RPC based web service to which I'm constantly making calls. I predict that this will soon become an issue as the number of calls per second will grow. On a higher level, I was thinking of batching those calls and submitting those to the web services every 100 ms. Could you share what else works? On a lower level side of the things, I use Apache Xml-Rpc client and standard javax.xml.soap.* packages for my client implementations. Are you aware of any client scalability related tricks/tips/warnings with these packages? Thanks in advance Yuriy

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• Ruby Summer of Code Project Ideas

  - by blatyo

  So, I'm thinking about applying for Ruby Summer of Code. However, I'm not sure what I want to propose. I was wondering if any of my fellow redditors had any good ideas? I've been programming in Ruby for about 3 years. I am primarily a web developer, but I do things related to bit torrent, data mining, and databases as well. I have a bit torrent related gem that I wrote for the hell of it. I've also got some projects on Github (username: blatyo). I am looking for ideas for me, but anything you can think of that would be awesome I would like to hear as well.

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• Team Build MSBuild Task Does Not Update Main Build Log File

  - by NotMyself

  I have an after build event in my main TFSBuild.proj file that uses the MSBuild task to call a deployment task after a successful build. It looks like this: <ItemGroup> <DeploymentTargets Include="..\Sources\Build\SkunkWorks.Build.Deployment.targets"> <Properties></Properties> </DeploymentTargets> </ItemGroup> <Target Name="AfterBuild"> <Message Text="Executing Deployment"/> <MSBuild Projects="@(DeploymentTargets)" Properties="PickUpLocation='@(DropLocation)'" ContinueOnError="false"/> </Target> This works fine and the deployment script is called as you would expect. The problem is that any errors or messages produced by executing the MSBuild are not written to the BuildLog.txt or ErrorsAndWarnings.txt files that are placed in the drop location after a successful build. Is there an easy way to capture this information?

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• RedirectFromLogin in Silverlight Login Page

  - by Oliver

  I am busy writing a login page in Silverlight. I am using an Authentication Service that processes the logins and I am also creating a custom Membership and Roles providers. Everything is working but I need some assistance. I would like some advice on how to redirect the user to page they came from before they were pushed to the Login page. Basically I want the same behavior as the standard ASP.Net login. I am fully aware of the differences between ASP and Silverlight regarding Client and Server side models. I can do the navigation but I always lose the session and cookie when I perform HtmlPage.Window.Navigate() to the ReturnUrl...

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• WCF Data Services implementation strategies.

  - by Nix

  Microsoft has done a savvy job of not outlining the actual place for data services in the wonderful world of SOA/Web dev. So my question is simple, are WCF Data Services designed to be used via clients? Or has anyone ever heard of someone using them on the server side? Simple scenario a general layered architecture using BO business objects (parenthesis indicate what is being passed between layers) (XML) WCF Service - (BO)Business Logic - (BO) Dao - Entity Framework or using data services it would be where DS BO are modeled business entities to be used in data service. (XML) WCF Service -(BO) Business Logic - (BO) WCF Data Service - (DS BO)Server I can't see a use for the later, unless there are going to be a lot of cases people would be accessing your data via your Data Service Layer vs the Service layer? Thoughts anyone? I have not seen any mention of using DS from within a Service Layer....

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• How to tell a rightCalloutAccessoryView has been touched for MapKit

  - by iamdadude

  I have a MKAnnotationView being allocated with a DetailDisclosure button being displayed on the right side of the annotation. How would I go about knowing when a user clicked on the annotation button? This is what my code looks like right now - UIButton *rightButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure]; pinView.rightCalloutAccessoryView = rightButton; pinView.animatesDrop = YES; Is there a built in method to detect when a accessory view has been touched? I'm guessing it would be like the UITableView methods, but I can't find anything. Thanks for any help.

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• How can I force mod_perl to only allow one process per connection?

  - by Charles Ma

  I have a perl cgi script that's fairly resource intensive (takes about 2 seconds to finish). This is fine as long as only at most 4 or 5 of them are running at the same time and that's usually the case. The problem is that when a user clicks a link that calls this script, a new process is spawned to handle that connection request, so if a user clicks many times (if they're impatient), the server gets overloaded with new processes running and most of them are redundant. How can I ensure that only one instance of this process is running per host? This is an old system that I'm maintaining which uses an old framework for the frontend, and I would like to avoid using javascript to disable the button client side if possible. Converting this to fast-cgi perl is out of the question as well, again because this is an old system and adding fast-cgi to apache might break a lot of other things that this thing runs.

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• Sharing constants across a WCF service

  - by Sandor Davidhazi

  I have certain strings which contain special characters so they can not be shared as enum members across a WCF service. (Actually, they are keys for configuration values.) I want to be able to pass in the keys at client side and get back the config values. If there is a change, I only want to change the config keys at one place. Constants would be ideal, because they can be changed as strong references across the entire solution, and the underlaying value could be updated with a service reference update. Currently I can think of two possible solutions: Create a shared assembly and place the constants there Share the constants across the service. The problem is, I can't get the datacontractserializer to serialize the constants. Is that possible at all? Is the shared assembly the only option I have?

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• Size of static libraries generated by XCode

  - by shaft80

  I have a project tree in XCode that looks like this: AppProject depends on ObjcWrapper that in turn depends on PureCppLib. ObjcWrapper and PureCppLib are static library projects. Combined, all sources barely reach 15k lines of code, and, as expected, the size of resulting binary is about 750Kb in release mode and slightly over 1Mb in debug mode. So far, so good. However, ObjcWraper.a and PureCppLib.a are over 6Mb each in either mode. So the first question is why it is so. But more importantly, how can I ensure that those static libs do not include parts or all of the source code? Thanks in advance!

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• ASP.NET website not working properly in mobile

  - by ria

  I have created a simple app with a page having a server side form, three fields and a button that submits and performs two operations - 1) adds the form fields to the database table 2) sends an email. Now everything works fine on the web browser on my machine but when I access the app through my mobile, the page does not seem to work. the UI and all are set but the button click functionality doesnt seem to be working and also the label which is set after a successful submit is already visible and showing the "thank you" message. Am i doing something wrong here? I have checked the app on Nokia Smartphone browser, android phone, and iphone simulator.

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• How do I iterate over the properties of an anonymous object in C#?

  - by Tomas Lycken

  I want to take an anonymous object as argument to a method, and then iterate over its properties to add each property/value to a a dynamic ExpandoObject. So what I need is to go from new { Prop1 = "first value", Prop2 = SomeObjectInstance, Prop3 = 1234 } to knowing names and values of each property, and being able to add them to the ExpandoObject. How do I accomplish this? Side note: This will be done in many of my unit tests (I'm using it to refactor away a lot of junk in the setup), so performance is to some extent relevant. I don't know enough about reflection to say for sure, but from what I've understood it's pretty performance heavy, so if it's possible I'd rather avoid it... Follow-up question: As I said, I'm taking this anonymous object as an argument to a method. What datatype should I use in the method's signature? Will all properties be available if I use object?

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• Database change management tools?

  - by zodeus

  We are currently in the process of solidifying a database change management process. We run MySql 5 running on RedHat 5. I have selected LiquiBase as the tool because it's open source and allows us to expand its functionality later if needed. It also seems to be one of the few free projects that are still active. Has anyone here had any experience using LiquiBase or other Db versioning tools? Company Background: We are an SaaS company providing a 7/24 hosted application. There are dozens of instances running different versions of the same database and we need a way to manage the deploy process as it's starting to get out of control. The databases have hundreds of tables and we typically do releases once every 3 months.

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• Calling javascript from objective-c code

  - by Infinity

  Hello! I found a lots of ways to call objective-c code from javascript, but I want to call the javascript code from objective-c. Last time I submitted a HTML FORM from objective-c, and now I wan't to call a javascript method. What do you think, is there any way to call it and get the response? I am interested in any solution, but I started to think and I think I need to send a html call or something like this, but I am not sure about this because the javascript is client side code, so maybe I need to process it from my objective-c code. What do you think about this?

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• I have a error building a .vdproj on msbuild with nant

  - by Luís Custódio

  I'm getting used to using nant for build releases. But I have started to use asp.net MVC, and i choice make the setup for installation with a .vdproj . But, when I call the: < exec program="${dotnet.dir}/msbuild.exe" commandline='"./Wum.sln" /v:q /nologo /p:Configuration=Release' / in nant, my result is: [exec] D:\My Documents\Visual Studio 2008\Projects\Wum\Wum.sln : warning MS B4078: The project file "Wum.Setup\Wum.Setup.vdproj" is not supported by MSBuild and cannot be built. Someone have some clue, or a solution? If I use the devenv, I'll have a problem? Thanks in advance.

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• Efficiency Question for an Ajax App

  - by Kubi

  Hi, Currently I am dealing with a web application which uses a txt file as a database for testing for now. But we will connect it to a server later on. My question is, if there is a more efficient way to get my objects than the way I am using now. During the page_init I am getting all my objects into a Collection as List, then I am populating the ajax toolkit accordion objects in the page with that. I have some client side buttons which fires callbacks for getting some other objects to populate the accordions in an update panel. And I am using .net Collections too much like dictionary and list, I am wondering if using arrays is more efficient. Could you advise me about how to make this site better and faster ? Is it better or possible to initialize those TravelP objects in javascript at the beginning and use it like that ? Any comments would be greatly appreciated, Thanks

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• Python 3.1.1 Class Question

  - by Protean

  I'm a new Python programmer who is having a little trouble using 'self' in classes. For example: class data: def __init__(self): self.table = [] def add(self, file): self.table.append(file) data.add('yes') In this function I want to have table be a variable stored in the class data and use add to modify it. However, when I run this script it gives me the error: Traceback (most recent call last): File "/Projects/Python/sfdfs.py", line 7, in <module> data.add('yes') TypeError: add() takes exactly 2 positional arguments (1 given) I assume that I am trying to call the function the wrong way in this instance, as this syntax is very similar to an example in the python documentation: http://docs.python.org/3.1/tutorial/classes.html

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• PHP: Set max_file_uploads for one file rather than php.ini

  - by Jenkz

  Like many variables in PHP using ini_set() on a page doesn't actually work. I've recently upgraded my PHP version and found that my multiple image uploader is now capped. After 3 hours of frustration, I've found that my new PHP install has the new "max_file_uploads" parameter set to "20". So only the first 7 images get uploaded (each is in three sizes, 7*3=21). I can now change my php.ini value of "max_file_uploads" to 300, but I'd rather not do that side wide. Is there any way to set that value just for a single file (upload.php)? Could a .htaccess file be used for this?

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• Request builder call not returning when using ssl(https)

  - by Zeeshan Khan

  Hi , I am using GWT. Currently using gwt-rpc to for login authentication. For only login purpose i want to use ssl(https) and so instead of using gwt-rpc i am trying Request Builder and calling a servlet with https. When in Servlet URL i use protocol as http the request builder works perfectly and response returns to client side(onResponseReceived ). but when i use https in the servlet url then the servlet is gettting called but the response is not returning to the onResponseReceived method of request builder. my url with http looks like : http://localhost:8888/myproject/myservlet and with https it looks like :https://localhost/myproject/myservlet Please give any suggestion or is there any other way to do it.and also is it possible to use ssl over gwt-rpc.

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