Hackvalue - Tales from the trenches of specialized web hosting and development

Hackvalue is the corporate blog of Loco, a company that does lots of interesting stuff gravitating around Free and Open Source software and licensing, web development, and anything else that we find interesting.

In this particular part of the blog all content is English, but if you have no problems reading Dutch, then the Dutch part of this blog might also be interesting for you. It caters to a slightly different crowd.
If you're wondering why we use the name Hackvalue, please read the FAQ.

Passing complex data from Smarty to JavaScript

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Joor Loohuis, November 13, 2009, 23411 views.

Modern web applications frequently need to process complex data with JavaScript. Typically, these data are requested separately through AJAX calls, but if the data do not change frequently, it is probably easier to output JSON in the (X)HTML, and let JavaScript take it from there. The Smarty template engine makes this more or less trivial.

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Fixing permissions in Subversion post-commit hooks

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Armijn Hemel, October 27, 2009, 18637 views.

Subversion is a great version control system and it allows for a lot of tweakability, but a mistake with permissions is easily made...and easily fixed.

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OpenSSL defaults for certificate generation

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Joor Loohuis, October 19, 2009, 19588 views.

OpenSSL deliberately provides rather useless defaults when certificates are generated. Here's one way of saving yourself some typing when you're frequently confronted with this chore.

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Learn to speak POP3 in one simple lesson

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Joor Loohuis, October 6, 2009, 17717 views.

POP3 is one of the core protocols of the Internet, allowing mail clients to fetch messages from a remote server. There are circumstances where it is very convenient to be able to perform a manual POP3 session, for example for debugging purposes. This article shows you all you need to know about POP3 to handle such a manual session.

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Stresstesting IMAP clients

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Armijn Hemel, October 4, 2009, 22112 views.

In this blogpost we describe research we did into performance of several graphical mail programs on Linux when dealing with large amounts of email messages using IMAP.

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