NSQ is an awesome and extremely simple distributed message queue. You can simply use it by publishing messages — that is arbitrary text, I often use JSON — on a so called "topic". A second process can than attach to a topic to consume messages on a so called "channel". Each messages is forwarded into each channel (at least once). This blag post covers deployment of NSQ in the simplest scenario: one box running everything.
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The official documentation on ArangoDB usage in Symfony is [literally from 2013](https://www.arangodb.com/2013/03/getting-started-with-arangodb-and-symfony-part1/) and hence targeting a pretty old Symfony version. This blag post will cover adding minimal ArangoDB support by hand. The actual database protocol and interacting will be handled by [ArangoDBClient](https://github.com/arangodb/arangodb-php).
Show me what you've got!
CTFd is a Python-based open-source Capture The Flag (CTF) web app. I wanted to use it in a context where I didn't want to collect email addresses of the registering users. To archive this, I decided to take the easy way and hack myself around the problem: just hide the email-field in the registration form and generate a random address for every registration.
Show me the code!
Recently I once again stumbled upon a detail of the HTTP specification involving the POST verb and "enforced" https. I'll document it here in an attempt to save other people the time (hopefully also future-me).
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Flask pretty-prints response generated by the
flask.json.jsonify function. Avoiding this on a per request basis doesn't seem to be intended: There is a configuration variable for the whole application: JSONIFY_PRETTYPRINT_REGULAR. But setting that to False minifies every JSON responses. And, in general, I enjoyed the pretty printed output. So implementing X-PrettyPrint - which seems to be a quasi-standard - also sounded like a the wrong way because it means replacing the call to jsonify by a custom implementation. This short story has a happy end though: Flask does not pretty-print the response if it receives an AJAX request. So one can just send the appropriate header:
curl -H 'X-Requested-With: XMLHttpRequest' "https://exmaple.com/api/endpoint.json";
Spoiler: My main point in this post is not given away by the title.
But first things first: What are all those words?
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