Hacker’s diary

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I have just run into a problem: a test passes fine on the CI sever, but breaks on my machine. Reason: it gets a wrong config file. Root cause: when […]

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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 was recently tasked with creating a Windows Store (Metro, WinRT) version of an existing app. This is my first WinRT project. Documenting my experience so far: 1. So called […]