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2024-04

[Scrap and Build] Keisuke Haneda: What is the excessive addition of care that turns three in need of care into five?

Describes his thoughts on the novel Scrap and Build by Keisuke Haneda, winner of the 153rd Akutagawa Prize. For his grandfather, who is physically disabled and daily expresses his desire to die with dignity, saying he wants to die early, his grandson Kento takes an active role in 'excessive additions to care'.

2024.04.30 2024.06.13

Development/Design

[Design] How to create and unify icon guidelines: Font Awesome, Material Icons, React Icons

When developing cross-platform (web and apps), icon guidelines may not be set in stone due to historical history and resource priorities. Well-known icon fonts include Font Awesome and Material Fonts.

2024.04.30 2024.06.13

Development/Design

[C++] Difference between pointer and reference, value passing and reference passing, function pointer, smart pointer

A pointer is a variable that stores an address (position in memory space). When a variable is declared, memory for the variable is allocated and placed in the memory space. However, immediately after the variable declaration, the pointer contains an undefined value and it is not known where it points. The address of the variable can be obtained by preceding the variable name with the `&` symbol.

2024.04.22 2024.06.12

Development/Design

[Mia] ESP32 OTA update function implementation: Firmware update app notification

A new Firmware binary is uploaded to the AWS s3 firmware directory with the version specified by the developer.The version of each user's firmware is compared to the latest version uploaded by the developer, and if they are different, the Flutter app is notified that the new firmware is available for installation.

2024.04.10 2024.05.11

Development/Design

[ESP32] OTA update: Firmware update using MQTT and AWS IoT device shadow

When the user accepts the update, the app sends an API request to the server, which reflects the change in the AWS IoT device shadow. The device detects this change via MQTT and performs a firmware download and upgrade.

2024.04.17 2024.05.11

Development/Design

How to consolidate the SEO power of subdomains into subdirectories by utilizing reverse proxies.

Explains how to improve SEO by integrating content from subdomain to subdirectory using a reverse proxy. Details specific configuration steps and benefits that maximize a site's domain power and improve the user experience.

[Flutter] Introducing the Overlay class to display notification messages

I found a package called overlay_support that makes it easy to create toast and in-app notifications, so I'll use this one.OverlaySupportEntry.of(context)? .dismiss(); is a method that removes the displayed overlay widget.

Development/Design

[Verbalization ability] What is going on in the heads of a person who is good at verbalization?

言語化能力が高い人の特徴とは？頭の中で知識や情報を構造化し、全体と部分の関係を理解していて、かつ、情報の優先順位を相手の興味関心に合わせて動的に変えられる。相手に合わせて抽象度の上げ下げをした上で必要十分な説明を行い、事実と意見を区別して話せる。

[Go Memorandum] Static typing, type inference, functions, structures, receivers, Go Modules, Packages, Imports

In Go language, functions begin with the func keyword and require argument and return types (static typing). Type names are written "behind" variable names; Go structures differ from classes in that methods are defined outside of the structure definition, and structures and methods are associated via "receivers".

Development/Design

[Flutter] How to deal with RenderFlex overflowed error. Identify issues using Flutter DevTools’ Inspector.

This article describes how to debug and respond to RenderFlex overflowed errors in Flutter. In short, it is an error that occurs when the size of a widget exceeds the screen area, and is listed in the Flutter documentation as one of the most frequently occurring errors.

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