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In a nuthsell, SimpleXMl has two things broken: 1. Elements that represent “emtpy” tags evaluate to false. This is weird design. 2. Other elements sometimes evaluate to false due to […]

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The following code does not work as expected: $xml = simplexml_load_string(“<root><a/><b>text</b></root>”); $node = $xml->xpath(“/root/a”)[0]; if ($node) process($node); // process($node) may not be called for some valid nodes Unlike most other […]

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I have discovered a bug in PHP 5.4.4: a simple XPATH does not work. $xml = simplexml_load_string(“<root><a/><b>text</b></root>”); $node = $xml->xpath(“/root/b”)[0]; // $node is null $node evaluates to FALSE This is […]

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TL;DR: XML signatures are trouble, because they are ridiculously hard to implement right. XML signatures in PHP are double trouble, because of lack of decent libraries. .NET security libraries are […]

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I did a clean install of Windows 10 on a brand new SSD. Good things: It was relatively straightforward and quick. It also rebooted seamlessly without requiring me to remove […]

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I run into the same story time and time again. Someone stumbles upon a bug that they cannot explain. All plausible reasons are eliminated, but it still does not work. […]

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This blog entry is mostly for documentation purposes, so I don’t forget what happened. TL;DR: WCF’s DataContractJsonSerializer cannot deal with JToken or JObject. If you attempt to include those in […]

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Dock panel for Angular.js

It sounds unbelievable, but modern HTML applications seem to lack proper support for dock panels. So, I created one for Angular.js. See the code in Plunker My solution is based […]