Low-tech Magazine: The Ebooks
Image: Ebook.
Many of you have asked for ebooks, and now you can download both the chronological and thematic books series in epub version. The files work on any type of device, without restrictions. You can find all ebooks in our online bookshop.
[Patrons get free access to all ebooks and PDF arch … ⌘ Read more
💻 Issue 426 - Crafting types with Scala 3 macros - Part 1 of the most comprehensive macro tutorial yet ⌘ Read more
💻 Issue 424 - Typed Actors in Action - Exploring Cats-Actors with Alice and Bob ⌘ Read more
So dissatisfied and disappointed with the Fairphone 4’s audio issues where during phone calls, the receiver only gets half of the messages due to noise cancellation problems, that we’re considering iPhone as a valid “it just works” replacement. Especially since the iPhone15 now also has the USB Type C port.
Go singlefight 源碼詳解
寫在前面 通俗的來說就是 singleflight 將相同的併發請求合併成一個請求,進而減少對下層服務的壓力,通常用於解決緩存擊穿的問題。詳解基礎結構—-golang.org/x/sync/singleflight singleflight 結構體:type call struct { wg sync.WaitGroup // 這些字段在 WaitGroup 結束前寫入一次 // 只有在 W ⌘ Read more
** 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”`
在 Go 中如何讓結構體不可比較?
最近我在使用 Go 官方出品的結構化日誌包 slog 時,看到 slog.Value 源碼中有一個比較好玩的小 Tips,可以限制兩個結構體之間的相等性比較,本文就來跟大家分享下。在 Go 中結構體可以比較嗎?在 Go 中結構體可以比較嗎?這其實是我曾經面試過的一個問題,我們來做一個實驗:定義如下結構體:type Normal struct { a string B int}使用這個結構體分別聲明 ⌘ Read more
Go: 深入探究 uintptr 類型
Go 語言作爲一種靜態類型、編譯型語言,其獨特的類型系統爲編程提供了強大的支持。在衆多類型中,uintptr 是一個較爲特殊的類型,它用於存儲指針值的整數表示。本文將詳細介紹 uintptr 的概念、使用場景及其與普通指針類型的區別。uintptr 的定義與特性在 Go 語言中,uintptr 是一個無符號整數類型,其大小足以存儲任意指針的位模式。具體來說,uintptr 的定義如下:type u ⌘ Read more
Go 中空結構體的用法,我幫你總結全了!
在 Go 語言中,空結構體 struct{} 是一個非常特殊的類型,它不包含任何字段並且不佔用任何內存空間。雖然聽起來似乎沒什麼用,但空結構體在 Go 編程中實際上有着廣泛的應用。本文將詳細探討空結構體的幾種典型用法,並解釋爲何它們在特定場景下非常有用。空結構體不佔用內存空間首先我們來驗證下空結構體是否佔用內存空間:type Empty struct{}var s1 struct{}s2 := E ⌘ Read more
Docker Announces SOC 2 Type 2 Attestation & ISO 27001 Certification
Docker demonstrates commitment to security by achieving SOC 2 Type 2 attestation and ISO 27001:2022 certification. ⌘ Read more
全面解析 Go 語言 Channel:面試必備知識點
一、channel 的整體結構圖1、channel 結構圖 channel 本質是一個 hchan 這個結構體 type hchan struct { buf unsafe.Pointer // points to an array of dataqsiz elements sendx uint // send index recvx uint ⌘ Read more
There are apparently dedicated “fireproof” external hard drives available that do this, and this coincidentally-timed piece suggests I might be able to get closer to what I was thinking in the not-too-distant future: https://www.pcgamer.com/hardware/ssds/researchers-have-developed-a-type-of-flash-memory-storage-that-can-withstand-temperatures-higher-than-the-surface-of-venus/
Go 線程同步
線程同步—-通常在 Go 語言中有兩種方法可以用來做線程同步sync.Cond channel channel 的很好理解,當我們從一個 channel 中接收數據的時候,如果裏面沒有數據,那我們直接就阻塞在那裏了;在這篇文章中就來看看怎麼使用 sync.Cond 完成同步sync.Cond———「定義結構體和方法」type BlueberryInt struct { ⌘ Read more
DSGW-130: A Voice-Control Enabled Touchscreen Control Panel for Smart Homes
DSGW-130: A Voice-Control Enabled Touchscreen Control Panel for Smart Homes
The DSGW-130 Zigbee Touch Screen Control Panel by Dusun is a compact device designed for smart home automation. Measuring 86mm by 86mm, it fits into an 86-type junction box, replacing traditional wall switches. It supports Zigbee 3.0, facilitating the integration and management of Zigbee devices into smart homes. ⌘ Read more
Gorm 源碼解析
我們先通過一張圖來看 Gorm 核心主流程。gorm 主流程1. 初始化 DB 連接—————-使用 database.sql 初始化連接。我們平時所說的數據庫驅動其實就是每個數據庫對 DSN 不同的解析方式,最終底層都是使用的 TCP 建立起數據庫連接。type Connector interface { Connect(context.Context) (Conn, err ⌘ Read more
PEP 746: Type checking Annotated metadata
This PEP proposes a mechanism for type checking metadata that uses the typing.Annotated type. Metadata objects that implement the new __supports_type__ protocol will be type checked by static type checkers to ensure that the metadata is valid for the given type. ⌘ Read more
That was legible when I typed it. There were extra spaces between the words
What do Blue Underlines on Text Mean in Microsoft Edge?
If you use Microsoft Edge as your web browser, whether for free GPT 4 access or and DALL-E use, for cross-platform syncing, or any other reason, you may have noticed that you will often see blue underlined text when you’re typing within the browser. If you’re like me, you’re probably wondering what on earth the … Read More ⌘ Read more
What’s a PXM File & How Do You Open It?
File types and file formats can be a bit of a mystery, especially when you stumble into a file that you don’t necessarily recognize. One such case that you may come across is a file that has a .pxm file extension, and if you haven’t heard of a PXM file before you understandably might be … Read More ⌘ Read more
Go 1-22 的新增功能系列之一:cmp-Or
截至撰寫本文時,Go 1.22 已經發布幾個月了。早就該結束我爲 1.22 所做的工作的系列了。抱歉耽擱了這麼久,我最近忙於生活事務。如果您錯過了我關於 reflect.TypeFor(https://blog.carlana.net/post/2024/golang-reflect-type-for/) 和 slices.Concat(https://blog.carlana.net/post/ ⌘ Read more
Pendulum Types
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Pendulum Types
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Decoding your daily typing habits with GreptimeDB and Streamlit
Member post originally published on Greptime’s blog by Tison Nowadays, typing is a nearly daily occurrence for most people. Interestingly, your typing habits may vary significantly from what you might assume. Below, you’ll find a dashboard that provides… ⌘ Read more
訪問 Golang 私有函數、方法、類型和變量
本文譯自 Yarden Laifenfeld 的 Accessing Private Functions, Methods, Types and Variables in Go https://medium.com/@yardenlaif/accessing-private-functions-methods-types-and-variables-in-go-951acccc05a6你 ⌘ Read more
深入 Go interface: Duck Typing 和多態
Duck Typing鴨子類型(Duck Typing)是一種編程概念,關鍵在於根據對象的行爲來確定其類型。通常的解釋是通過一個巧妙的例子:根據對象的行爲來判斷它是否是一隻鴨子。如果它游泳像鴨子、嘎嘎叫像鴨子,那麼它就可以被認爲是一隻鴨子。動態語言如 Python 和 JavaScript 自然支持這種特性,但與靜態語言相比,動態語言缺乏重要的類型檢查。Go 語言的接口設計與鴨子類型概念密切相關, ⌘ Read more
The Best Way to Clean a MacBook Air Keyboard: Microfiber Cloth & KeyboardCleanTool
Cleaning the keyboard on a MacBook Air is an essential task, but it can be challenging if you’re trying to avoid unintended keypresses. If you don’t want to type out a bunch of nonsense gibberish from cleaning the keyboard, or accidentally activated a mystery keystroke, then consider using a Mac app to lock down the … [Read More](https://osxdaily.com/2024/04/13/best-way-clean-macbook-ke … ⌘ Read more
Types of Eclipse Photo
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Types of Eclipse Photo
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[Updated] Free Mobile-Friendly Layout Wizard
Updated: The
Free Mobile-Friendly Layout Wizard
has been updated. It will now place the meta charset tag before the title in the head section (so that it will
be in the first 1 KB of your page even if you have a long title). In addition, if you select HTML5 as the output type,
the shorter meta charset tag will be used. ⌘ Read more
OAuth: “grant” vs “flow” vs “grant type”
Is it called an OAuth “grant” or a “flow”? What about “grant type”? ⌘ Read more
How to Use the Apple Watch Keyboard: Typing on Apple Watch Directly, & with Dictation, or iPhone
The Apple Watch may be small and on your wrist, but believe it or not the Apple Watch also has a keyboard. Yes, even with the small screen, you can use a full size QWERTY keyboard on Apple Watch to type things out, whether it’s a quick response to a message, or an email. In … Read More ⌘ Read more
Amy Schumer Reveals Cushing syndrome Diagnosis Following Fan Discourse on Puffier Face | THR News Video
Amy Schumer revealed she has been diagnosed with Cushing syndrome following social media comments about her recent appearance. Schumer revealed the news in journalist Jessica Yellin’s newsletter ‘News Not Noise.’ The actress said, “I feel reborn…There are a few types of Cushing. Some that … ⌘ Read more
How to stay safe from repo-jacking
Repo-jacking is a specific type of supply chain attack. This blog post explains what it is, what the risk is, and what you can do to stay safe.
The post How to stay safe from repo-jacking appeared first on The GitHub Blog. ⌘ Read more
How to Automatically Fill SMS Passcodes & Security Codes on iPhone, iPad, Mac
Messages for iPhone, Mac, and iPad all contain a really handy feature that autofills security codes that are sent to you via text message. You know the type, as these text message verification codes are often required for signing into financial institutions or many other things that use it as a method of identity and … [Read More](https://osxdaily.com/2024/02/20/how-to-automatic … ⌘ Read more
The soundworld of the river in February is pretty different from August. There are so many sloshy water-type sounds right now. I suspect some of it is actually fishes vocalizing. So hard to tell!
@lyse@lyse.isobeef.org Yeah the func in func threw me off.. The generic type iter.Seq[V] does make things a bit more clear though.
I would love to see a world where ones twtxt feed is defined by webfinger. So @xuu@txt.sour.is => https://text.sour.is/user/xuu/twtxt.txt
Then my identity can exist independent of the feed location. And I can host multiple protocol types for my feed. Ie. http/gopher/Gemini/irc DCC/etc
iOS 17.3.1 Update Released to Fix Overlapping Text Bug on iPhone & iPad
Apple has released iOS 17.3.1 as an update for iPhone, along with iPadOS 17.3.1 for iPad. The small software update includes a bug fix for an issue where text may duplicate or overlap while typing. There do not appear to be any other changes or security fixes in this update. Separately, macOS Sonoma 14.3.1 and … [Read More](https://osxdaily.com/2024/02/08/ios-17-3-1-update-released-to-fix … ⌘ Read more
PEP 742: Narrowing types with TypeNarrower
This PEP proposes a new special form, TypeNarrower, to allow annotating functions that can be used to narrow the type of a value, similar to the builtin isinstance(). Unlike the existing typing.TypeGuard special form, TypeNarrower can narrow the type in both the if and else branches of a conditional. ⌘ Read more
Status 2024-01-29
Friday is my day off from work, as usual. So when I’m typing this I’m
in front of the hackstation (not a battlestation, obviously) with my
third cup of coffee, writing an update again.
I’ve been doing these status updates on my Gemini log, but I’m
increasingly aware of the dropping amounts of traffic, so I’m thinking
about doing them on the blog instead, but see below for some thoughts
on Gemini.
In which I speak about an intense week, feeling good(?), spending … ⌘ Read more
Fix Step Count in Health App Updating Slowly on iPhone
If you’re the type of person who likes to keep track of their daily step count by using iPhone as a step counter, it is frustrating when the iPhone Health app step counter does not update as frequently as you’d like. Additionally, there are some challenges that are linked to specific step counts, and many … Read More ⌘ Read more
Cost-efficient $39.90 Travel Router with Dual GbE Ports and Flexible Storage Options
Recently, SeeedStudio introduced the LinkStar-H28K-0408, a compact, pocket-sized router that offers advanced connectivity options. This device is equipped with Dual Gigabit Ethernet ports for high-speed internet access and includes a versatile USB Type-C port with Power Delivery support, enhancing its usability and convenience for various applications. Differing from the LinkS … ⌘ Read more
Go 運行時的併發原語
這篇文章我們來了解一下隱藏在 Go 運行時中的一些併發原語, 因爲運行時是底座和包循環依賴等原因,運行時中很少使用標準庫中的併發原語,它有自己的併發原語。mutex在 runtime/runtime2.go[1] 定義了一個互斥鎖,它的定義如下:type mutex struct { lockRankStruct key uintptr}它可是運行時中的大紅人了,在很多數據結構中都被廣泛的使用,凡 ⌘ Read more
How to Disable Inline Text Predictions on iPhone & iPad
The latest versions of iPhone and iPad system software include a feature that offers predictive typing, with typing suggestions shown inline as light gray words that are ahead of your cursor as you type. For example, if you’re typing “how ar” you might see the inline prediction suggest “how are you” as a way to … Read More ⌘ Read more
How to Disable Inline Text Predictions on iPhone & iPad
The latest versions of iPhone and iPad system software include a feature that offers predictive typing, with typing suggestions shown inline as light gray words that are ahead of your cursor as you type. For example, if you’re typing “how ar” you might see the inline prediction suggest “how are you” as a way to … Read More ⌘ Read more
I built a SUPER HEATED STEAM THRUSTER (New Type of Rocket) ⌘ Read more
How to Disable Inline Predictive Text Typing on Mac
The latest versions of MacOS offer an inline predictive text feature, which attempt to predict what you may want to type text. You’ll see this appear when typing in many Mac apps as there are words appearing in lighter gray in front of what you are presently typing, which you can complete typing of by … Read More ⌘ Read more
Why this year’s bumper berry crop is benefitting buyers but not necessarily growers
Several wet years and this month’s cooler, spring-type temperatures have been ideal for raspberries, blackberries, and blueberries, but as prices drop at the supermarket there’s a real fear expenses will overtake profits for growers. ⌘ Read more
go-elasticsearch 使用指南
本文是 go-elasticsearch 庫的使用指南。go-elasticsearch 是 Elasticsearch 官方提供的 Go 客戶端。每個 Elasticsearch 版本會有一個對應的 go-elasticsearch 版本。官方會維護最近的兩個主要版本。go-elasticsearch 提供了 Low-level 和 Fully-typed 兩套 API。本文以 Fully-ty ⌘ Read more
Go 反射機制揭祕:輕鬆獲取結構體成員類型
*概述Go 語言的反射機制提供了強大的工具,使得在運行時獲取結構體的成員類型成爲可能。本文將介紹如何用反射實現結構體成員類型的獲取,包括結構字段的遍歷、按名稱訪問結構成員、處理匿名字段及內嵌類型,以及解析字段標籤元信息的方法。一、結構字段遍歷值對象及類型對象package mainimport ( “fmt” “reflect”)type User struct { ID int Na ⌘ Read more