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基於 go 實現 redis 之主幹框架
0 前言本着學習和實踐的目的，從本期開始，我將和大家一起走進一個新的專題—— 【基於 go 實現 redis】 .該專題圍繞着我的一個開源項目——goredis 展開. 由於個人水平有限，如有不到位之處，歡迎批評指正：https://github.com/xiaoxuxiansheng/goredis本系列計劃分爲四篇內容：• 基於 go 實現 redis 之主幹框架（本篇）： 在宏觀視角下縱覽 ⌘ Read more
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Linux-Compatible DEBIX Infinity with PCIe x1 & Dual GbE Ports
Linux ready Debix Infinity with PCIe x1 & Dual GbE ports
At Embedded World 2024, OKdo and DEBIX unveiled the DEBIX Infinity Industrial Single Board Computer, featuring the NXP i.MX 8M Plus Quad Lite processor. This device is designed for a variety of industrial applications such as smart robotics, Industry 4.0, edge computing, IoT gateways, and security systems. ⌘ Read more
Go 通過 grpc-protobuf 實現高性能用戶服務實戰，從 0 到 1 超級詳細流程！！
基礎知識準備在在代碼實戰 gRPC 之前，我們需要了解一些基礎知識：RPC（Remote Procedure Call）：遠程過程調用，是一種通信協議，允許應用程序在不同的計算機上請求服務而不需要了解底層網絡細節。 gRPC：gRPC 是一種高性能、開源的遠程過程調用（RPC）框架，由 Google 開發，並基於 HTTP/2、Protocol Buffers 等技術實現。 Proto ⌘ Read more
Get started with the latest updates for Dockerfile syntax (v1.7.0)
Dockerfiles are fundamental tools for developers working with Docker, serving as a blueprint for creating Docker images. Learn about new Dockerfile (v1.7.0) capabilities and how you can can leverage them in your projects to further optimize your Docker workflows. ⌘ Read more
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Isode: Harrier 4.0 – New Capabilities
Harrier is our Military Messaging client. It provides a modern, secure web UI that supports SMTP, STANAG 4406 and ACP 127. Harrier allows authorised users to access role-based mailboxes and respond as a role within an organisation rather than as an individual.
You can find out more about Harrier here.
** … ⌘ Read moreOrange Pi Teases Upgraded Orange Pi 5 Pro SBC with LPDDR5 and M.2 Key Slot
Orange Pi has recently provided additional specifications about their latest Orange Pi 5 Pro Single Board Computer built around the new-gen Rockchip RK3588S System-on-Chip. Key features of this board are its GbE port with PoE+ support, M.2 Key slot for expansion and Wi-Fi5/BT5.0 connectivity. Similarly as the Radxa ROCK 5C Lite SBC and the Toybrick […] ⌘ Read more
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XMPP Providers: yax.im
Available since
Nov 17, 2013
·
Website: EN
Service
Cost: Free of charge
Legal notice:
3
persons
Organization:
Non-governmental
Server
Server / Data
location:
Server software: Prosody 0.12 nightly build 2 … ⌘ Read more
XMPP Providers: worlio.com
Available since
Mar 7, 2023
·
Website: EN
Service
Cost: Free of charge
Legal notice:
1
person
Organization:
Company
Server
Server / Data
location:
Server software: Prosody 0.12.4
AccountYou can reg … ⌘ Read more
XMPP Providers: yax.im
Available since
Nov 17, 2013
·
Website: EN
Service
Cost: Free of charge
Legal notice:
3
persons
Organization:
Non-governmental
Server
Server / Data
location:
Server software: Prosody 0.12 nightly build 2 … ⌘ Read more
XMPP Providers: worlio.com
Available since
Mar 7, 2023
·
Website: EN
Service
Cost: Free of charge
Legal notice:
1
person
Organization:
Company
Server
Server / Data
location:
Server software: Prosody 0.12.4
AccountYou can reg … ⌘ Read more
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Radxa’s Penta SATA HAT now compatible with Raspberry Pi 5
Radxa has released a detailed tutorial for their Penta SATA HAT, showcasing its compatibility with the latest Raspberry Pi 5 and their own Rock Pi single-board computers. This cutting-edge device not only offers a range of power options but also supports various RAID configurations, including RAID 0, 1, and 5, enhancing its functionality and adaptability […] ⌘ Read more
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Ignite Realtime Blog: PionTurn plugin 1.0.0 released!
The Ignite Realtime community is happy to announce the release of version 1.0.0 of the PionTurn plugin.
This version brings in the new long-term authentication compatible with the TURN REST format, bringing security to the latest standard.
And it also brings in a new mechanism for resolving domain names, making it possible to run the Pionturn plugin in a dynamic IP environment without having to worry about updating the IP.
Last but not … ⌘ Read more
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How to Escape From the Iron Age?
Image: Steel rebar construction for the concrete foundation of a wind turbine in Gilliam County, US. Image by Goose Chap, Wikimedia Commons (CC BY-SA 4.0) Trapped in the … ⌘ Read more
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Advanced Muscle Sensing with SparkFun’s MyoWare 2.0 Wireless Shield
SparkFun, in partnership with Advancer Technologies, has introduced the MyoWare 2.0 Wireless Shield, a compact and versatile board designed to work seamlessly with the MyoWare 2.0 Muscle Sensor. Thanks to its compatibility with LiPo batteries, this product is suitable for a range of portable applications, from educational environments to projects like incorporating myoelectric elements into […] ⌘ Read more
Ignite Realtime Blog: Openfire 4.8.1 Release
The Ignite Realtime Community is pleased to announce the release of Openfire 4.8.1. This release addresses a number of issues found with the major 4.8.0 release a few months back.
Interested in getting started? You can download installers of Openfire here. Our documentation contains an [upgrade guide](https://download.igniterealtime … ⌘ Read more
‘Slightly lower’ open for ASX 200 on Tuesday
CommSec’s Tom Piotrowski says there is a “slightly lower” open for the ASX 200 on Tuesday.
Mr Piotrowski explained to Sky News Australia the market value was down “by around 0.1 of a per cent”.
“To be candid, it has been a pretty underwhelming affair as far as Northern Hemisphere markets have been concerned,” he said.
“Overnight, they are loitering in the neighbourhood of record highs but they are tending to … ⌘ Read more
Blizzard Conditions Seize Saskatchewan
A winter storm warning was issued for Saskatoon, Saskatchewan, as officials anticipated temperatures plunging to -18 degrees Celsius (-0.4 Fahrenheit) by Monday afternoon, February 26. Footage here, recorded by local Jason Friesen, shows blizzard conditions in Saskatoon on Monday morning. According to local reports, the most significant amount of snow was expected to fall over Monday afternoon, with authorities warning … ⌘ Read more
ASX 200 ends the day up by 0.12 per cent on Monday
The ASX 200 ended the day up on Monday by 0.12 per cent.
Consumer discretionary stocks were the best performer while energy stocks were the biggest drag on the market, losing almost two per cent.
Tabcorp lifted up by 5.76 per cent after its disappointing results last week, and lithium miner Pilbara Minerals jumped up by 5.72 per cent after its profit results on Friday.
Infection prevention compa … ⌘ Read more
Subtext 4.0 Released ⌘ Read more
Go 1.22.0 introduces a new experiment for range functions. Have you tried them out? What do you think it can make easier to accomplish?
Go 1.22.0 introduces a new experiment for range functions. Have you tried them out? What do you think it can make easier to accomplish?
Sad to see moc removed from the official arch linux repos, but also cool to learn the debian project has been quietly patching it and keeping it up to date in recent years. Long live the music on console player. (And debian!) :-)
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Introducing the MaTouch ESP32-S3 SPI IPS 2.8″ with Camera OV3660 by Makerfabs
Makerfabs has expanded its product lineup with the introduction of the MaTouch ESP32-S3 SPI IPS 2.8″ module, featuring the OV3660 Camera. This Makerfabs module is designed for smart applications like remote monitoring and facial recognition, offering compact dimensions and flexible storage options. The module is equipped with the ESP32-S3 controller, providing Wi-Fi and Bluetooth 5.0 […] ⌘ Read more
Deals: Apple Watch Series 9 from $299, MacBook Air 15″ 512GB for $1199, iPhone 15 Pro for $0.01, etc
Amazon has some great Apple deals today, particularly on select colors of Apple Watch Series 9 at just $299, and M2 MaceBook Air 15″ 512GB model for just $1199. These are substantial discounts, but stock is changing quickly depending on color, so if you see the deal, act fast, otherwise you might try refreshing the … [Read More](https:/ … ⌘ Read more
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Ignite Realtime Blog: Non-SASL Authentication Openfire plugin 1.1.0 released!
We’ve just released version 1.1.0 of the Non-SASL Authentication plugin for Openfire! This release fixes a compatibility issue with Openfire 4.8.0.
The Non-SASL Authentication plugin provides an implementation for authentication with Jabber servers and services using the jabber:iq:auth namespace, as specified in XEP-0078: Non-SASL Authentication. … ⌘ Read more
DFRobot Coin-Sized ESP32-C6 Board with RISC-V Core, Priced at $4.90
The Beetle ESP32-C6 is a compact and versatile IoT development board by DFRobot, designed for Arduino enthusiasts and developers looking to explore low-power IoT solutions. This tiny gizmo offers up to 16x I/Os and an array of communication protocols including Wi-Fi 6, Bluetooth 5, Zigbee 3.0, and Thread 1.3. This device utilizes the same Espressif […] ⌘ Read more
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DietPi January 2024 news (version 9.0)
DietPi’s latest release, version 9.0, rolled out today, marks a significant update for the lightweight Linux OS, renowned for its efficiency on single-board computers. This release phases out support for the older Debian Buster version, introduces compatibility with the new 1.5 GB Orange Pi Zero 3, and brings several enhancements and bug fixes across the […] ⌘ Read more
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Ignite Realtime Blog: HTTP File Upload plugin 1.4.0 released
The HTTP File Upload plugin is a plugin for Openfire that allow users to easily share files (such as pictures) in a chat
A new release is now available for this plugin: version 1.4.0.
This release introduces a couple of interesting security improvements:
- an additional guard has been added that should prevent scripts embedded in data to be executed without the recipient’s approval
- It is now possible to configure a viru … ⌘ Read more
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Ignite Realtime Blog: Presence Service plugin v1.7.2 release
The Presence Service plugin is a plugin for Openfire. It provides a service that provides simple presence information over HTTP. It can be used to display an online status icon for a user or component on a web page or to poll for presence information from a web service.
A new release is now available for this plugin: version 1.7.2.
In this release, an incompatibility with the recently released Openfire 4.8.0 was fixed. Als … ⌘ Read more
基於 go 實現 lsm tree 之主幹框架
0 導讀去年 4 月的時候，我和大家分享了一篇文章——初探 rocksDB 之 lsm tree，和大家一起探討了 lsm tree 結構的底層實現原理. 秉着 【基於源碼支撐原理】 的一貫原則，從本期開始，咱們把源碼篇的坑填上.接下來我將開啓一個新的專題——基於 go 語言從零到一實現 lsm tree，本專題共分爲下述四篇內容：• 基於 go 實現 lsm tree 之主幹框架（本篇） ⌘ Read more
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Rust Embedded Working Group Announces Embedded-HAL v1.0
The Rust Embedded Working Group has announced a significant milestone with the release of embedded-hal version 1.0, marking a new chapter in the Rust embedded ecosystem. This release, alongside companion crates like embedded-hal-bus, embedded-hal-async, and embedded-hal-nb, represents a culmination of efforts since 2020 to stabilize and refine the embedded-hal traits. Embedded-HAL is a Rust-based framework […] ⌘ Read more
Ignite Realtime Blog: Openfire 4.8.0 Released!
The Ignite Realtime community is happy to be able to announce the immediate availability of version 4.8.0 of Openfire, its cross-platform real-time collaboration server based on the XMPP protocol!
This is the first major release of Openfire in about two years, and that shows: 199 tickets have been closed against this release! As a fun fact: the oldest of these issues was raised in 2015, the youngest: three days ago. Some of the highlights in this relea … ⌘ Read more
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FireBeetle 2 Upgraded with RISC-V Based ESP32-C6 SoC Featuring Zigbee 3.0 and Thread 1.3 Connectivity
DFRobot has announced the launch of the updated FireBeetle 2, now incorporating the latest ESP32-C6 System-on-Chip from Espressif Systems. This enhanced development board integrates standard I/Os, includes comprehensive battery support, and offers advanced connectivity options with Zigbee 3.0 and Thread 1.3. Unlike the FireBeetle 2 (ESP32-S3) … ⌘ Read more
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Go map 讀寫性能優化 - 分片 map
基本在所有的編程語言中，都有 map 這種數據結構，Go 語言也不例外。我們知道 Go 是一門對併發支持得比較好的語言，但是 map 並不支持併發讀寫。比如，下面這種寫法是錯誤的：var m = make(map[int]int)var wg sync.WaitGroupwg.Add(2)// 啓動兩個協程序同時寫入 mapgo func() { for i := 0; i < 100; i ⌘ Read more
Ignite Realtime Blog: Smack 4.5.0-alpha2 released
We are happy to announce the release of the second alpha release of Smack’s upcoming 4.5 version.
This version fixes a nasty bug in Smack’s reactor, includes support for XMPP over WebSocket connections and much more. Even though Smack has a good test coverage, due its comprehensive unit test suite and integration test framework, we kindly ask you to test pre-releases and report feedback.
As always, [this Smack release is available via Maven C … ⌘ Read more
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Upgrading GitHub.com to MySQL 8.0
GitHub uses MySQL to store vast amounts of relational data. This is the story of how we seamlessly upgraded our production fleet to MySQL 8.0.
The post Upgrading GitHub.com to MySQL 8.0 appeared first on The GitHub Blog. ⌘ Read more
It is a pleasure to work with the help system of Borland’s Turbo C++ 3.0 on DOS. The descriptions are clear and concise. There are short and simple examples. Pretty much every help page is cross-refenced and those links can be clicked.
2023 年 Go 併發庫的變化
2023 年來， Go 的併發庫又有了一些變化，這篇文章是對這些變化的綜述。小細節的變化，比如 typo、文檔變化等無關大局的變化就不介紹了。sync.Once———Go 1.21.0 中增加了和 Once 相關的三個函數，便於 Once 的使用。func OnceFunc(f func()) func()func OnceValueT any T) func() Tfunc Once ⌘ Read more
13-0! Undefeated ACC Champions! Go Noles!
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Ignite Realtime Blog: More Openfire plugin maintenance releases!
Following the initial batch of Openfire plugin releases that we did last week, another few have been made available!
Version 1.0.1 of the Spam Blacklist plugin was released. This plugin uses an external blocklist to reject traffic from specif … ⌘ Read more
Go 淺析主流日誌庫：從設計層學習如何集成日誌輪轉與切割功能
前言在現有的日誌庫中，包括 go 1.21.0 引入的 slog 日誌庫，它們通常都支持對日誌文件進行輪轉與切割，只不過這些功能並不直接被內置，而是需要我們主動配置來啓用。本文將探討幾個熱門的日誌庫如 logrus、zap 和官網的 slog，我將分析這些庫的的關鍵設計元素，探討它們是如何支持日誌輪轉與切割功能的配置。 淺析 logrus、zap 和 slog 的設計在對 logrus、zap 和 ⌘ Read more
Yesterday, I used a rental car to avoid problems with Deutsche Bahn. Today, trying to do another trip with DB, the train is 50 minutes delayed. Karma? 🙃 Or it’s the weather again, DB’s infrastructure isn’t working well at temperatures below 0 °C. 🤷♂️ ⌘ Read more
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Ignite Realtime Blog: External Service Discovery plugin 1.0.2 released!
Version 1.0.2 of the External Service Discovery plugin has been released!
This Openfire plugin allows your users to use external STUN and TURN services, optionally making use of temporary credentials for those services. It often is a prerequisite for being able to set up audio or video calls with Openfire.
This version brings better compatibility with TURN services other than those implemented by CoTur … ⌘ Read more
A 0 is important in companian with other 0, if they follow a 1.
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Go Noles! 11-0!
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Ignite Realtime Blog: Openfire 4.8.0 beta release!
It is exciting to be able to announce the immediate availability of the beta release of Openfire 4.8.0!
It has been 667 days ago since we released the 4.7.0. That was the last time that a release was made from the same source code branch. And, that shows: we have closed almost 180 issues against this release! I’ll reserve the details for a blogpost on the 4.8.0 (non-beta) release, but some of the highlights are:
- We’ve dropped support for Jav … ⌘ Read more
se tiverem o ffmpeg instalado, este oneliner é impecável para entreter a criançada:
ffplay -i /dev/video0 -vf "crop=iw/2:ih:0:0,split[left][tmp];[tmp]hflip[right];[left][right] hstack"
«Мы считаем это совершенной версией первого поколения»: Valve о Steam Deck OLED
При этом в компании уверены, что Steam Deck 2.0 необходим.
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Subtext 3.0 Released ⌘ Read more
Redshift
⌘ Read more
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Isode: M-Link 19.4 Limited Release
M-Link 19.4 provides a very significant update and in particular provides the M-Link User Server product. It also provides M-Link MU Server, M-Link MU Gateway and M-Link Edge. It does not provide M-Link IRC Gateway, which remains M-Link 17.0 only.
M-Link 19.4 Limited Release is provided ahead of the full M-Link 19.4 release. M-Link 19.4 Limited Release is fully supported by Isode for production deployment. There is one significant difference with a standard Isod … ⌘ Read more
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BlueSCSI Wi-Fi DA 1.0 Released ⌘ Read more
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