kenichi– Author –

Nomadic worker who travels all over Japan and abroad; worked as a technical sales person for five years before going independent.
Works as a freelance engineer on website production and application development. Currently working to bring interesting things by interesting people to the world, while seeking to move abroad.
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[JavaScript]Retry API requests a specified number of times and at a specified time.
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Geolocation API not being able to get location data on smartphones.
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Check MySQL errors [[42000][1064] You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘(JSON_OBJECT())…]
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What to do when yarn upgrade outputs [Usage Error: Couldn’t find a script named “upgrade”.]
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[Achievements] Published in Fukushima Prefecture’s “Fukushima Path”.
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Scenery of Okinawa, Japan
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[Achievements]Skypromenade Instagram Photo contest 2023 Winner
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[Nextjs] Using i18next with getServerSideProps.
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[Nextjs] Using i18next to make it multilingual.
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[Nextjs] Persist useContext data using localStorage
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[Nextjs] UseContext to share data across applications.
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Update package.json and record version range
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Czech landscape
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【TypeScript】Get AWS S3 presigned URLs
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【Nestjs】Uploading images to Amazon S3
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【Prisma】Where in the date period.
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[Achivements] 2022 Website stills taken.
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[Achievements] 2022 Exhibited at the official West Ward Instagram photo exhibition.
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Nestjs receives POSTed image files from Nextjs.
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【JavaScript】Obtain the Date by fixing it in Japan Time (JST)
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毎日ネコガキ。Result of 110 days of continuous drawing.
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【Nestjs】Implementing an API to retrieve the prefecture and city from a postcode.
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Switzerland landscape
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Living with help.