The 2024 Paris Olympics Opening Ceremony Will Be Unlike Any Before It
For the first time in history, the Olympics opening ceremony won’t be held inside a stadium. Instead, it will float down the Seine. Here’s everything you need to know. ⌘ Read more

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(Updated) Forlinx’s New SoM Leverages Rockchip RK3562J Quad-Core Processor
(Updated) Forlinx’s New SoM Leverages Rockchip RK3562J Quad-Core Processor
Forlinx Embedded has launched the FET3562J-C SoM, a versatile system on module with an optional 1 TOPS NPU, optimized for a broad range of applications including industrial automation, consumer electronics, smart healthcare, energy, and telecommunications. ⌘ Read more

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Linux-Compatible Board Built Around RK3576 with 6TOPS NPU for AIoT Applications
Linux-Compatible Board Built Around RK3576 with 6TOPS NPU for AIoT Applications
The Forlinx Embedded FET3576-C SoM and its carrier board are designed to meet the demands of the AIoT market, emphasizing high performance, substantial computing power, and energy efficiency. Built around the Rockchip RK3576, this hardware platform incorporates dual GbE LAN ports, PCIe support, wireless cap … ⌘ Read more

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Study shows chickens use flushed skin and feather fluffing to display different emotions, levels of excitement
Hens fluff their head feathers and blush to express different emotions and levels of excitement, according to a study published July 24, 2024, in the open-access journal PLOS ONE by Cécile Arnould and colleagues from INRAE and CNRS, France. ⌘ Read more

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Southern Ocean absorbing more CO₂ than previously thought, study finds
New research led by the University of East Anglia (UEA) and Plymouth Marine Laboratory (PML) has found that the Southern Ocean absorbs more carbon dioxide (CO2) than previously thought. ⌘ Read more

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New research underscores the close relationship between Saharan dust and hurricane rainfall
Giant plumes of Sahara Desert dust that gust across the Atlantic can suppress hurricane formation over the ocean and affect weather in North America. But thick dust plumes can also lead to heavier rainfall—and potentially more destruction—from landfalling storms, according to a study in Science Advances. ⌘ Read more

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Weibo posts illuminate public response to China’s three-child policy measures
An analysis of comments on Chinese social media platform Sina Weibo reveals trends in the public response to measures implemented to support China’s three-child policy, highlighting concerns about women’s rights and employment. Lijuan Peng of Zhejiang Gongshang University in Hangzhou, China, and colleagues present these findings in the open-access journal PLOS ONE on July 24, 2024. ⌘ Read more

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Komodo dragons have teeth coated in iron to kill prey, study finds
The fearsome Komodo dragon, native to Indonesia and the world’s largest living lizard, has a coat of iron on its razor-like teeth to help it kill its prey, scientists found in a study published Wednesday. ⌘ Read more

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The flickering glow of summer’s fireflies: too important to lose, too small to notice them gone
On a muggy July evening, Delaware state biologist Jason Davis is doing what kids have done for ages: Trying to catch a firefly. It’s nowhere near as easy as the summer evenings of his own childhood, with only a few in this large wetland between a bay and the Atlantic Ocean. ⌘ Read more

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Surprise blast of rock, water and steam in Yellowstone sends dozens running for safety
A surprise eruption in Yellowstone National Park shot steam, water and dark-colored rock and dirt high into the sky Tuesday and sent sightseers running for safety. ⌘ Read more

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Kuo: 2026 iPhone to Use New Advanced Camera Sensor From Samsung
Apple’s iPhone will adopt a new 48MP Ultra Wide CMOS image sensor (CIS) made by Samsung as early as 2026, breaking Sony’s years-long monopoly as Apple’s CIS supplier, according to Apple analyst Ming-Chi Kuo.

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Writing in a brief report published on X (formerly Twitter), Kuo said Samsung has … ⌘ Read more

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兼容 sentry 協議的輕量級監控: glitchtip
前言–上一篇文章說了重啓 sentry 的事因爲過程太折騰了,一度想過放棄 sentry 換成其他比較輕量級的開源監控系統這不就給我找到了另外倆個https://glitchtip.com/ https://www.highlight.io/ 這次就來試試這個 glitchtip用了之後才發現,這個也是用 Django 開發的,而且兼容 sentry 協議,連 SDK 都用的 sen ⌘ Read more

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SQLITE 問題整理
前言用過 sqlite 的朋友都知道,在數據庫目錄會有 xxx.db 文件,你可能看到過,其實數據庫不只有 xxx.db,有時候還會有 xxx.db-shm、xxx.db-wal、xxx.db-journal 等文件,你有想過這些文件的作用是什麼嗎?還有使用數據庫時,偶爾會報 SQLITEBUSY 或者 SQLITELOCKED 的錯誤,你知道是因爲什麼導致的嗎?請看正文。知識點db-shm、db ⌘ Read more

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無需業務改造,一套數據庫滿足 OLTP 和 OLAP,GaiaDB 發佈並行查詢能力
在企業中通常存在兩類數據處理場景,一類是在線事務處理場景(OLTP),例如交易系統,另一類是在線分析處理場景(OLAP),例如業務報表。OLTP 數據庫擅長處理數據的增、刪、改,以及小數據量的查詢,更側重數據的實時響應、高吞吐和事務性等要求。OLAP 則以大數據量的複雜查詢爲主,更側重數據容量的擴展性、複雜計算能力等要求。爲了滿足這兩類業務場景,企業通常會採用 OLTP + OLAP 的組合方案或 ⌘ Read more

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優化 Oracle:最佳實踐與開發規範
前言爲了提高開發效率、保證代碼質量、增強產品的可維護性,針對在 ORACLE 數據庫中使用 SQL 及 PL/SQL 開發時所涉及的工程活動進行標準化定義,其中包含過程規範、命名規範、設計規範、代碼格式規範和程序開發規範。使用統一的 ORACLE SQL 編程規範,使 ORACLE 數據庫編程風格標準化,以便於閱讀、理解、繼承和維護及項目組成員相互交流。SQL 開發規範大小寫風格—–1、所有 ⌘ Read more

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etcd:增加 30- 的寫入性能
本文最終的解決方式很簡單,就是將現有卷升級爲支持更高 IOPS 的卷,但解決問題的過程值得推薦。 譯自:etcd: getting 30% more write/s我們的團隊看管着大約 30 套自建的 Kubernetes 集羣,最近需要針對 etcd 集羣進行性能分析。每個 etcd 集羣有 5 個成員,實例型號爲 m6i.xlarge,最大支持 6000 IOPS。每個成員有 3 個卷:ro ⌘ Read more

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Go 語言定時任務 time-Sleep 和 time-Tick 的優劣對比分析
golang 寫循環執行的定時任務,常見的有以下三種實現方式 1、time.Sleep 方法:for {   time.Sleep(time.Second)   fmt.Println(“我在定時執行任務”)}2、time.Tick 函數:t1:=time.Tick(3time.Second)for {   select {   case <-t1:      fmt.Println(“t1定時 ⌘ Read more

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Scientists try to replicate ancient butchering methods to learn how Neanderthals ate birds
It’s hard to know what Neanderthals ate: food preparation, especially when it comes to smaller items like birds, can leave few archaeological traces. But understanding their diets is critical to understanding these incredibly adaptable hominins, who thrived for hundreds of thousands of years in wildly varied environments. To learn what food preparation could look like in the archaeological record … ⌘ Read more

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New Samsung phones block sideloading by default
The assault on a user’s freedom to install whatever they want on what is supposed to be their phone continues. This time, it’s Samsung adding an additional blocker to users installing applications from outside the Play Store and its own mostly useless Galaxy Store. Technically, Android already blocks sideloading by default at an operating system level. The permission that’s needed to silently install new apps without prompting the user, … ⌘ Read more

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Google won’t be deprecating third-party cookies from Chrome after all
This story just never ever ends. After delays, changes in plans, more delays, we now have more changed plans. After years of stalling, Google has now announced it is, in fact, not going to deprecate third-party cookies in Chrome by default. In light of this, we are proposing an updated approach that elevates user choice. Instead of deprecating third-party cookies, we would introduce a new exper … ⌘ Read more

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Why Paris 2024 Olympic Athletes Are Sleeping on Cardboard Beds
The competitors’ bedroom furniture is simply stiff paper, along with coffee tables made from badminton shuttlecocks and ottomans made from parachute fabric. And as for durability, this gear can go the distance. ⌘ Read more

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There’s Another Chance to See the Northern Lights This Week
Don’t worry if you missed them in May—due to another geomagnetic storm, the northern lights might again be seen at lower latitudes across the US and Europe, from as early as Tuesday night. ⌘ Read more

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