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Production Planning System for Cookie Clicker (Updated)
Are you serious about your Cookie Clicker production enterprise of intergalactic dimensions? Then you need this time-shifting production planning system with wormhole and cookieverse capability!
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Compact Archives Widget for WordPress
The standard Archives Widget looks like the image right here. It works well when only a few months are to be displayed. However, it fails if your blog’s history goes back a long way. Here is a quick way to get down from 12 lines per year to 1, increasing usability and page size.
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chrony NTS certificate reload
The chrony NTS daemon has no way to automatically reload its NTS certificate. A quick hack fixes this.
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A business-driven blockchain evaluation flow chart
Yesterday, Rene Jan Veldwijk posted a blockchain decision flowchart he had previously used in a presentation.
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Offline digital cash?
The question of using digital money in the event of a network outage comes up again and again. Here is an overview of the options and their pros and cons.
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Open Source Software
Web/JavaScript/TypeScript vcard4-ts — vCard version 4 parsing, TypeScript-style (2021–): A new, developer-friendly, and type-safe approach at vCard parsing. Timestamping with PGP and git zeitgitterd—Zeitgitter server (2019–): The distributed git– and OpenPGP-based timestamping service git timestamp—Zeitgitter client (2019–): Timestamp to a git repository; verifiable with the native git tools autoblockchainify—Automatic Zeitgitter client (2020–): Automatically turn a…
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Upgrading Apache 2.2 OpenSSL security with TLS Interposer
Undoubtedly, you will have heard about the weaknesses of old SSL and TLS protocol versions and ciphers. Web browsers have been updated; but the server administrators are left alone: For stability reasons, many run long-term support editions such as Ubuntu 12.04 LTS. Even without that, most will stick to the reliability of Apache 2.2, hesitant…
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Eliminate BEAST, CRIME, Lucky13, RC4, SSLv3 weaknesses from binary/legacy applications
Security is hard. Security that works with a variety of platforms under a flurry of circumstances with an endless choice of applications is practically impossible. SSL and TLS, the Internet security workhorses, try to achieve this feat … and fail from time to time. While some software has been updated, not all of it has.…
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Blockchain in a nutshell
People often try to claim blockchain use cases without much deliberation. Here is a condensed, quotable version of «Hitchhiker’s Guide to the Blockchain» and «Data lifecycle questions, not only for Blockchains».
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XMPP: Chat with a Future
XMPP is the Extensible Messaging and Presence Protocol standardized by the IETF. This standard provides the framework for doing anything you want to do with chat, and more. Why is XMPP (formerly known as Jabber) not the mainstream chat protocol? Actually it is. It is the most secure messaging standard: battle-tested, independent, and privacy-focused. And…