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joshua-stein
feeds.twtxt.net
 (3y ago)

Video: C Programming on System 6 - Talking to the Modem
Starting work on adding a serial module to join the console and telnet inputs, to allow calls through a modem. I got stuck for a while trying to figure out why writes to the serial port would hang the machine. ⌘ Read more

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Oatmeal
feeds.twtxt.net
 (3y ago)

** 2022-02-24 feature/6.0 Android test plan **

Overview

Will test the upgrade path from a known state to new version to ensure that settings and app state are maintained during upgrade process.

V. 6.0 of libro.fm android app introduces an entirely new local database. This testing is focused on ensuring that local data remains intact between versions.

Notes

This evening I was mostly focused on setting up a successful build of feature/6.0 on my test device or the emulator. So far, no dice. My next … ⌘ Read more

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joshua-stein
feeds.twtxt.net
 (3y ago)

Live Streaming a Macintosh Plus
Since recording a handful of C Programming on System 6 videos, I’ve occasionally wanted to live-stream the more casual daily programming being done on my Macintosh Plus. After getting all of the pieces together, I now have a working self-hosted broadcasting setup. ⌘ Read more

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nixos-news
feeds.twtxt.net
 (3y ago)

Nix 2.6.0 released
We’re pleased to announce the availability of
Nix 2.6.0.

Instructions how to install Nix on different platforms can be found on
the download page.

Here are the release notes:

  • New builtin functionbuiltins.zipAttrsWith with the same
    functionality as lib.zipAttrsWith from Nixpkgs, but
    much more efficient.

  • The Nix CLI now searches for aflake.nix up until the
    root of the current Git repository … ⌘ Read more

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Oatmeal
feeds.twtxt.net
 (3y ago)

** Chess Rules **
I love when folks say stuff like“there are only a finite number of states a chessboard can occupy, therefore a computer can play chess.”

To the folks who say such things — I wish you to play chess with my 6 year old.

Be not confined by rules! The only things governing chess in this house here are the laws of physics!

…and even then, not all need apply.

For instance, during a recent game the opposing kings left the board in order to go out on an adventure. They returned later with a large, plastic dragon. The dra … ⌘ Read more

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gocnshe-qu
feeds.twtxt.net
 (3y ago)

TiDB 在国信证券海量数据高并发场景中的实践
作者介绍

陈培新，参与国信证券基础平台研发工作（DevOps、微服务治理、Serverless）

国信证券是一家全国性大型综合类证券公司，在 118 个城市和地区共设有 57 家分公司、185 家营业部，根据中证协发布的数据，近年来国信证券的总资产、净资产、净资本、营业收入、净利润等核心指标排名行业前列。

国信证券从 2020 年 6 月开始接触 TiDB，从技术预研到第一个业务上线大约花了半年时间。第一个上线的业务是金太阳帐单，后面陆续在数据中台、服务观测等系统中应用。从只在东莞主机房的 TiDB 部署到 2021 年 9 月实现 TiDB 多机房的部署，并启动国产海光 x86 服务器的试点工作，国信证券在开源 NewSQL 数据库的探索和应用层面，积累了丰富的实践经验。目前， 国信证券共有 7 个 TiDB 集群，节点数量 109 个，最大表 100 亿，支撑了托管、经纪和自营等业务。

从 0 到 1，国信金太阳引入 TiDB

国信金太阳提供证券交易、理财和资讯相关的服务。我们使用证券软件最主要的功能就是交易，在做交易的时候会比较关注收益率以及什么时候买卖股票。当前国信金太阳的 … ⌘ Read more

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Planet_Jabber_XMPP
feeds.twtxt.net
 (3y ago)

Ignite Realtime Blog: Openfire 4.5.6 is released
Openfire 4.5.6 has been released, that addresses an annoying issue that was affecting the earlier 4.5.5 release. We’ve updated the bundled log4j library to version 2.17.1 for good measure.

The changelog denotes the two Jira issues closed by this release. You can find Openfire build artifacts available for download [here](https://github.com/igniterealtime/Openfire/rel … ⌘ Read more

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Planet_Jabber_XMPP
feeds.twtxt.net
 (3y ago)

Ignite Realtime Blog: Openfire 4.6.7 released (Log4j 2.17.1 only change)
Openfire 4.6.7 has been released with only a single change to bump the bundled log4j library to version 2.17.1. Whilst we do not believe Openfire to be vulnerable to the CVEs associated with the log4j 2.17.0 and 2.17.1 releases, we realize that many folks are running naive security scanners that are simply checking for bundled jar versions.

The [changelog](https://download.igniterealtime.org/open … ⌘ Read more

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