April 2012 CU causing problems with incoming e-mails in SharePoint 2010

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After installing April 2012 CU on my Search Server 2010 Express, the “Incoming E-Mail” feature stopped working. Problem E-Mails still land in the drop folder but don’t get picked up by the “Microsoft SharePoint Foundation Incoming E-Mail” timer job. (The default folder is “c:\inetpub\mailroot\drop” if you want to have a look.) The document libraries / lists… Read more »

ASP.NET security update against #hashDoS attacks

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In a presentation  (“Efficient Denial of Service Attacks on Web Application Platforms”, Dec 28th 2011, PDF) at 28th Chaos Communication Congress in Berlin (#28c3) there have been published details on how to perform so called “hash collision attacks” on webservers. This does not only affect Microsoft technology (ASP.NET), but also Java, Python, Ruby, PHP, v8/node.js, … Microsoft… Read more »

Debugging HTML5 Offline Web applications

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Debugging Offline Web applications can be hard, because you have to make sure you really are using the current version of your files. If the manifest file is not changed, the browser will not reload the other files, even if they have been changed. So a good advice is to create some automated build script that… Read more »

How to clear the cache of offline Web Applications

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Most of this new HTML5 stuff is still work in progress. And you can feel that sometimes, when you try the implementations in the different browsers. For example, try to delete the cache of an Offline Web application: iOS The only way to be sure it’s deleted is: Open the Safari settings Clear your cache (“Clear… Read more »

SharePoint 2010 on a Kindle

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I guess, until I learn how to debug on the experimental Kindle web browser, I better leave the new Amazon Kindle out of my presentation… 😉 Unfortunately it’s not anywhere near the mobile Safari on iOS. XHR does not seem to work.

SharePoint 2010, ListData.svc, “Could not load type”

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If you want to create a lean mobile application for SharePoint, you’ll probably want to use the SharePoint 2010 Representational State Transfer (REST) interface, a WCF Data Service that allows you to use construct HTTP requests to query SharePoint list data.  It will minimize your network traffic compared to SOAP requests and it’s easier to understand… Read more »

Mobile Applications for SharePoint using HTML5

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Access to your business information: anytime, anywhere and from any device. There lies great potential in mobile applications for SharePoint and a big opportunity for you as a developer! Microsoft has sold more than 125 million SharePoint licenses to over 65,000 customers. And Tim Cook gave us the following number last week: “92% of the Fortune 500 companies… Read more »