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HatDrive! Nano: Affordable €9.00 M.2 HAT for Raspberry Pi 5
The Pineboards HatDrive! Nano is a compact 2230/2242 M-Key M.2 HAT for the Raspberry Pi, measuring 55 x 34mm. It offers an affordable upgrade from a microSD card to M.2 storage, supporting NVMe SSDs, AI accelerators, and other M-Key devices. It is compatible with the official Raspberry Pi case lid and the Active Cooler. Unlike […] ⌘ Read more
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Turing Pi 2.5 4-Node Mini-ITX Cluster Board Receives Hardware Upgrades
The Turing Pi 2.5 is an updated version of the Turing Pi 2.0, a 4-node mini ITX cluster board compatible with Raspberry Pi CM4 modules and Nvidia Jetson modules. This compact device is designed for applications such as building Homelabs, self-hosting, and machine learning tasks, as it is capable of continuous 24/7 operation. The Turing […] ⌘ Read more
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On my blog: Real Life in Star Trek, Unification Part 2 https://john.colagioia.net/blog/2024/07/04/unification-part-2.html #scifi #startrek #closereading
Golang 編寫範型集合，官方文檔未提及的訣竅
引言–Go 的泛型功能在 Go 1.18 版本中發佈, 至今已有兩年多了。我們正在使用 Go 開發 Dolt[1] , 這是世界上第一個支持版本控制的 SQL 數據庫。儘管我們有數十萬行 Go 代碼, 但我們並沒有大量使用泛型。我們在一些地方使用泛型 來加速代碼中的高流量部分 [2] , 但總的來說, 除了 slices[3] 和 maps[4] 包中的一些有用的庫方法外, 我們還沒有找到使用泛 ⌘ Read more
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Ignite Realtime Blog: Openfire 4.8.2 Release
Openfire 4.8.2 has landed!
This release addresses a number of issues in the real time collaboration server created by the Ignite Realtime Community that aim to reduce bugs and increase stability and performance.
Interested in getting started? You can [download installers of Openfire here](https://igniterealtime.org/downloads/#op … ⌘ Read more
2 of the Best Hex Editors for Mac: ImHex & Hex Fiend
Hex editors are software tools that are able to view and edit hex data and raw binary data of files, and can be frequently used by programmers, developers, and reverse engineers, to inspect, debug, and analyze files and software. Some advanced users even rely on hex editors for data recovery and digital forensics, or to … Read More ⌘ Read more
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which 2 songs are you adding to the Voyager Golden Record? 🤔 ⌘ Read more
《艾尔登法环》里谁杀了主角的女巫？
先说结论，不知道，但是有几个嫌疑人。
- 接肢贵族后裔
- 白面具梵雷
- 葛瑞克
- 梅林娜
分析每个嫌疑人之前，先说一下，其实整个游戏里一共出现了五个女巫。首先是开头侯王厅躺着的无名女巫，让人叫老婆的那个，不过她是不是主角的女巫，并不好说，可以自由心证。
第二个是镇静教堂里死去的无名女巫，会被维克入侵的那个地方，大约是维克的女巫，从她身上能拿指头女巫套的。
第三个是塞尔维斯的傀儡，瑟萝莉娜，会在拉达恩祭典上被金符召唤，祭典广场上对话会给你一个鞠躬动作，在塞尔维斯的 … ⌘ Read more
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Beta 2 of iOS 17.6, iPadOS 17.6, & macOS Sonoma 14.6 Released for Testing
The second beta versions of iOS 17.6, macOS Sonoma 14.6, and iPadOS 17.6 are available to users who are enrolled in beta testing programs for current generation system software of Apple devices. While many beta testers have likely proceeded ahead with installing the iOS 18 beta, iPadOS 18 beta, and MacOS Sequoia beta, undoubtedly there … [Read More](https://osxdaily.com/2024/07/01/beta- … ⌘ Read more
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(Updated) T-Display S3 Pro adds a 2.33” screen and phone OTG support
LILYGO has introduced the T-Display S3 Pro, a solution designed for portable applications that require multi-touch display support. This compact device not only boasts a 400mA battery but also integrates a range of sensors and offers optional IMU support. Similarly as the standard T-Display-S3 released some time ago, this upgraded version accommodates the following ESP32-S3 […] ⌘ Read more
Swift on RISC-V: Launch of New Toolchain for RISC-V Hardware
The Swift programming community has taken a significant step towards embracing open architecture with the announcement of the first Swift toolchain release for RISC-V hardware. This new project, Swift on RISC-V, introduces a complete toolchain that can be installed and used on RISC-V platforms, including the VisionFive 2 single-board computer. As RISC-V’s open-source instruction set […] ⌘ Read more
Pinellas County - Cool down: 2.35 miles, 00:09:59 average pace, 00:23:27 duration
walked about ¾ mile and then started c/d run. felt strong so endurance is in a great spot!
#running
Pinellas County - Warm up: 2.41 miles, 00:09:08 average pace, 00:21:59 duration
included some strides and felt pretty strong
#running
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(Updated) HiFive Unmatched SBC showcases new FU740 RISC-V SoC
SiFive has opened $665 pre-orders on a “HiFive Unmatched” Mini-ITX dev board that can power a PC. The SBC runs Linux on a penta-core, 64-bit SiFive FU740 SoC and offers 2x M.2 and PCIe x16 for graphics. In September when SiFive announced its FU740 (Freedom U740) SoC, the RISC-V chip designer said it would soon […] ⌘ Read more
Banana Pi BPI-M5 Pro Features Octa-core Rockchip RK3576 with 6 TOPS NPU
The Banana Pi BPI-M5 Pro is powered by the Rockchip RK3576 SoC, which includes a 6 TOPS NPU and supports up to 16GB of LPDDR4x RAM. This latest model enhances its predecessor with advanced computing capabilities, featuring dual GbE ports and flexible storage options. Unlike the original Banana Pi BPI-M5 launched in 2020, the new […] ⌘ Read more
《艾尔登法环》新DLC究竟讲了一个什么故事？
揭示了交界地熔炉时代的一段历史，也补全了玛丽卡悲惨的身世。
先来看几段关于熔炉的物品描述:
熔炉全护符:揉合 熔炉百相所有特征 的巨型块状物……据说是 源自巨人身体 的物品。在塔的神话中，此物被称为 熔炉之母。
燃炉面具：弯曲角围绕的那副石面具，据说是来自角人们的传说故事中，所提及的 火焰恶神。
熔炉鳞/羽/瘤护符：“此为生命初始之时的熔炉残存的痕迹，也是 局部性的隔代遗传，在古代具有神圣意义。然而在文明发展后，被视为玷污的象征。”
熔炉百相之角：此为黄金树的初始生命力量，熔炉百相之一。在过去，生命是相互混合，不分彼此。
熔炉薄翼护符：角人们认为熔炉相当神圣——因为在那 历经淬炼的进化尽头，就是他们身上的混生角。
各种角饰品+2:对角人们而言， 角是神圣的象征，也因此证明他们是受选的子民。 其中不停萌发新芽的混生角，则被视为灵力之首的象征。
旋流祷告：塔的祭司们施展的高阶 … ⌘ Read more
WebDAQ Series: Log, Monitor and Control Remotely
The WebDAQ series from Digilent consists of stand-alone data loggers designed for universal input applications, enabling remote system monitoring and control. This series includes three models: WebDAQ 904, WebDAQ 504, and WebDAQ 316, each engineered to cater to specific monitoring needs without the necessity of a personal computer. The WebDAQ 904 model is designed to […] ⌘ Read more
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Vitess 20 is now Generally Available
Project post by the Vitess Maintainer Team We’re delighted to announce the release of Vitess 20 along with version 2.13.0 of the Vitess Kubernetes Operator. Version 20 focuses on usability and maturity of existing features, and continues to… ⌘ Read more
为什么燃油车很少刹车失灵，而新能源汽车刹车失灵概率高，这是什么原因？
我觉得横向对比吧，把相同的因素尽可能剔除掉，仅保留明显差异的变量。
因此关于驾驶辅助啊，自动驾驶这些我们先不考虑它。
我觉得其实最主要的因素可以归结到两点：
- 同级别的电动车，在重量上显著高于燃油i车（又在动力上很容易达到高速）
- 电动车为了操作便利性引入的“单踏板模式”对于用户的习惯培养
我们先说第一点： 重量！
将车辆制动下来，在燃油车时代和电动车时代有点小区别：
- 燃油车的制动力，通常包括：发动机制动（来自于泵气损失）+制动系统制动力
- 电动车的制动力，来自于：能量回收力矩+制动系统制动力
而需要制动的动能呢，本身和什么形式无关。只与车辆的速度和质量有关。根据高中物理中包含的动能公式，制动总能量为
? 如果你對此感興趣, 可以查看我之前關於 sync.WaitGroup 內部工作原理的博文 鏈接 [2] 。本文旨在簡要概覽內部工作原理, 因此我會適當簡化一些細節。如果你想查看全部的實現細節, 或者你更喜歡直接閱讀源代碼而不是博客, 可以 點擊這裏 ⌘ Read more
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ASUS Chromebox 5a with 13th Gen Intel processors start at $294.00
The ASUS Chromebox 5a is a versatile mini-PC equipped with 13th Generation Intel Core or Celeron processors. These devices support multiple 4K@60Hz displays and include an M.2 2280 PCIe slot for storage expansion. According to the ASUS product page, the new ASUS Chromebox 5a is compatible with the following Intel 13th Generation processors: i7-1355U — […] ⌘ Read more
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** The story of life **
Or at least the story of life as I implemented it in swift recently as a little learning project because I haven’t written any swift since walking away from mobile dev a few years ago (no regrets)!
First there was the universe! Well, first there was some requisite boilerplate, but then there was the universe! A 2 dimensional grid, an array of 10 columns and 10 rows.
”`hljs swift
import Foundation
let rows: IntRead more”`
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Easy: 5.00 miles, 00:09:14 average pace, 00:46:11 duration
kept it in zone 2 pretty well
#running #treadmill