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• Should we use server generated XAML to deliver our Silverlight/WPF UIs?

  - by brownj

  Back in January 2009, Dino Esposito published an article on MSDN titled "Managing Dynamic Content Delivery In Silverlight". We are considering using an approach like this for an upcoming project and were wondering if anyone had any advice on whether this is a good approach. Are there any traps or pitfalls we should look out for? We currently use Prism and would need to look at how the two would live happily together.

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• Embedding a scripting engine in C++

  - by Jen

  I'm researching how to best extend a C++ application with scripting capability, and I am looking at either Python or JavaScript. User-defined scripts will need the ability to access the application's data model. Have any of you had experiences with embedding these scripting engines? What are some potential pitfalls?

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• Can I contract a freelance programmer from Germany?

  - by Matt Nawrocki

  Hi... I want to hire a programmer from Germany for some dev work. Are contracts binding in that country? What sort of pitfalls may I encounter with hiring a foreign programmer?

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• Database: Storing Dates as Numeric Values

  - by Chin

  I'm considering storing some date values as ints. i.e 201003150900 Excepting the fact that I lose any timezone information, is there anything else I should be concerned about with his solution? Any queries using this column would be simple 'where after or before' type lookups. i.e Where datefield is less than 201103000000 (before March next year). currently the app is using MSSQL2005. Any pointers to pitfalls appreciated.

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• Does anyone have experience simultaneously running a Drupal and Wordpress site and redirecting some

  - by DKinzer

  This is a really weird question and I apologize: I've been asked if it's possible not to import our blog from Wordpress to Drupal but just keep it in Wordpress as an archive and re-direct our users say from hostname/blog/... to hostname/wordpress/... when a URL matches the Wordpress URL pattern. I've never heard of anyone trying this and I'm wondering about pitfalls and whether or not it's even possible. Thanks! D

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• How to close a java swing application from the code

  - by hstoerr

  What is the proper way to terminate a Swing application from the code, and what are the pitfalls? I'd tried to close my application automatically after a timer fires. But just calling dispose() on the JFrame didn't do the trick - the window vanished but the application did not terminate. However when closing the window with the close button, the application does terminate. What should I do?

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• What is the performance difference between blocks and callbacks?

  - by Don

  One of the things that block objects, introduced in Snow Leopard, are good for is situations that would previously have been handled with callbacks. The syntax is much cleaner for passing context around. However, I haven't seen any information on the performance implications of using blocks in this manner. What, if any, performance pitfalls should I look out for when using blocks, particularly as a replacement for a C-style callback?

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• tips on writing my first html embeddable widget?

  - by significance

  i have been asked by a client to develop a javascript(mootools)/html/css/php based game as a widget which can be deployed anywhere. I have not written a widget before, so would love to get some tips and experiences so that i know some of the pitfalls before i start! Thanks :) Dan

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• Is ASP.NET MVC 2 Bin-deployable?

  - by Nevada

  I know that ASP.NET MVC 1.0 is bin-deployable as explained in Phil Haack's article. Is ASP.NET MVC 2.0 also bin-deployable? Has anyone done this already that can point out potential pitfalls specific to version 2.0 if there are any? I would like to deploy a relatively simple ASP.NET MVC 2.0 onto a Windows 2008 Web server that does not have ASP.NET MVC 2.0 installed. It is running .NET Framework 3.5 Service Pack 1. Thanks!

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• Is it OK to try to use Plinq in all Linq queries?

  - by Tony_Henrich

  I read that PLinq will automatically use non parallel Linq if it finds PLinq to be more expensive. So I figured then why not use PLinq for everything (when possible) and let the runtime decide which one to use. The apps will be deployed to multicore servers and I am OK to develop a little more code to deal with parallelism. What are the pitfalls of using plinq as a default?

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• Application targeted to non-english windows OS

  - by DEE

  Hi There, we have a requirement to develop a webapp ,using C# in bussiness layer, sql server as DB, and Flex as the UI . given this i want to know tips,tricks and pitfalls . mainly WRT Design and deployment. Thanks in Advance. Deepak

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• Microsoft Sync Framework with Sync Services for ADO.NET - how does it scale?

  - by dbruning

  We are about to embark on a major project which requires an Occasionally Connected Application. The MS Sync Framework seems to offer a good solution with Sync Services for ADO.NET. Has anyone used this in a production app, ideally with tens of thousands of users, and can you comment on how well it scales? Any other pitfalls or gotcha's? Thanks!

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• 100k+ Records and sp_xml_preparedocument

  - by Jonn

  I've been encountering a seeming deadlock with one of my tables and the only place I can trace it back to is a stored procedure that uses sp_xml_preparedocument on a list of data. The data inserted, btw, consists of a 100k+ records on average. Is it possible that it is causing the deadlock? What other pitfalls does using sp_xml_preparedocument have?

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• Advice on applying RSpec to existing code

  - by Paul

  I have been an evil coder - working like crazy to get a ROR demo operational and ignoring RSpec. Does anyone have any helpful (aka; friendly) advice on using RSpec to get the current implementation under BDD control? Especially pitfalls to avoid. Many thanks.

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• Defining the hash of an object as the sum of hashes of its members

  - by Space_C0wb0y

  I have a class that represents undirected edges in a graph. Every edge has two members vertex1 and vertex2 representing the vertices it connects. The problem is, that an edge can be specified two directions. My idea was now to define the hash of an edge as the sum of the hashes of its vertices. This way, the direction plays no role anymore, the hash would be the same. Are there any pitfalls with that?

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• I'm still learning OOP. Any tips on staying unbiased and pragmatic?

  - by marcdev

  I keep reading about defficiencies and issues with languages. Specifically, I'm learning PHP and Javascript, but I see it everywhere. This question arose while reading Javascript: The Good Parts and PHP Objects, Patterns and Practice. While understanding and avoiding easy pitfalls, is there a way I can learn the fundamentals of OOP and discover solid programming practices without overlooking important areas (or simply becoming jaded)? I'm sure I'll have plenty of opportunity to learn from mistakes!

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• Can I use a static library compiled with gcc 3.4.2 with gcc 4.2.2

  - by shergill

  I have a static library that is compiled with gcc 3.4.2. I am building a shared library that relies on this static lib. I will be building this shared library (.so) with gcc 4.2.2. I was wondering what are the potential pitfalls of using the 3.4.2 static library in a gcc 4.2.2 shared library?

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• Stack , data and address space limits on an Ubuntu server

  - by PaulDaviesC

  I am running an Ubuntu server which has around 5000 users. The users are allowed to SSH in to the system. So in order to cap the memory used up by a process I have capped the address space limits using limits.conf. So my question is , should I be limiting the data and stack ? I feel that is not required since I am capping address space. Are there any pitfalls if I do not cap the stack and data limits?

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• Always a path to the internet even in Windows SBS is off

  - by Mark

  Hello all, is it possible to have a configuration in a Windows 2003 SBS environment where in the event that the SBS box crashed/turned off/ or is being worked on that there can still exist a path to the internet for domain users and visitors to still use? I would like to have the standalone router issue DHCP IPs. The primary DNS would point to the SBS, the secondary wouuld point to the ISP DNS Server. My theory was that if someone was using the internet and the SBS box went down they wouldn't be able to access the network shares but still be able to use the internet. (We are moving everything into the clouds with Google Apps Non-Profit) Does this seem like a reasonable configuration? Or are they're pitfalls that I will fall into? Thanks Mark

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• How difficult is it to setup Mac OS X Server?

  - by Anriëtte Combrink

  Hi there We are a small office of about 4 people, and we would like to have a 27-inch iMac (Core 2 Duo) setup as a server and workstation simultaneously, using Mac OS X Server. This might seem like overkill (and stupidity at the same time), but here is the situation: we want to convert our whole office to Mac, only one full-time PC left we will not use it's mail server we might use it's chat server we want it setup to provide VPN we are a small office so I don't see how the server can be overrun with too much traffic. How difficult would it be to set it up in this way? I have a fairly advanced knowledge of Mac OS X but have never encountered Mac OS X Server. I think I would be able to set it up, but what are the probable pitfalls that might come up? Has anyone else been in a similar situation?

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• How to bind Apache to specific IP and port on Windows Server 2008

  - by webworm

  I have a Windows Server 2008 R2 that I use to host various ASP.NET applications under IIS7. I would also like to run various PHP based web apps using Apache (or Apache 2). The server has three static IP addresses assigned to it and I would like to bind one of the IP addresses to Apache while using the other two IP addresses for IIS. I can use the IIS Manager to bind the specific IP addresses to IIS, but I am unaware of how to do this with Apache. Can anyone tell me how to go about binding Apache to a specific IP address and port (port 80 is what I want to use). Please note .. I am aware that PHP can run under IIS. In fact that is how I have been running my PHP web applications. However, there are so many inconsistencies and pitfalls with PHP running under IIS that I just prefer to use Apache.

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• Basics of Hosting [closed]

  - by Bala

  Assume we know nothing about web hosting but need to get a site online. What questions do we need to ask potential web hosting companies? What are the pitfalls and places where things can go terribly wrong? Are there any general good or bad things to be on the lookout for? Site could be anything from basic HTML up to e-commerce. We're looking for general thoughts that could apply to any web hosting. Thanks!

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• Ruby, Rails & MySQL parity between Mac Client (10.6) & XServe (10.5)

  - by Meltemi

  We're setting up a RoR setup with Development on Mac OS X Client (10.6.3) and then using a Mac OS X Server (10.5.8) for testing and eventually deployment. I'd like to get as many systems in sync on these machines as possible. Wondering if there are any pitfalls. I seem to understand what's necessary under Client but Server has some hardwired stuff that I want to make sure doesn't break...or is updated correctly. Currently installed on both machines we have: OS X Client (10.6.3): Ruby 1.8.7 Rails 2.3.5 MySQL (not installed yet) OS X Server (10.5.8): Ruby 1.8.6 Rails 2.3.5 MySQL Ver 14.12 Distrib 5.0.82 Any suggestions...Ideally from someone who's done this on Leopard Server as well but I'll listen to general tips & proceedures

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• Windows 7 x64 how to verify integrity of ALL files on an NTFS disk?

  - by kilves76

  Looking for a tool that would verify integrity of ALL files on a Windows 7 x64 NTFS disk reliably? This is for testing of experimental defrag software, so it really needs to be secure and foolproof. I know it will take a long time, there's millions of files on the disk, but safety just cannot be compromised in a situation like this. Freeware solution much preferred. Can be either Windows software (=inducing pitfalls about files changing due to booting Windows) or a stand alone boot (for example linux boot cd + usb key for storing chksum/metadata).

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• Easily recreate a server's "state" [closed]

  - by Brandon Wamboldt

  I want the ability to setup new servers for dev/testing/prod very easily. The reasons for being able to setup a new dev VM is obvious, but for prod my concern is adding a new production server/migrating to a new server. I assume a traditional backup solution won't work as hardware may be different so the binaries/config might be different. I want to get experience with puppet anyways, so I was thinking about creating a manifest that would setup my users, install Postgres, Nginx, PHP-FPM, etc, and configure them the way I specify. Then I could install puppet on a new server, copy down my manifest and apply it locally. This would make keeping my server configs in sync easier too. Is there a better approach I'm not aware of, and does my approach have any pitfalls?

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