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Unveiling Sample Code 365+1: The Ultimate Day Calendar for Engineers

On February 24, 2026, Shoei-sha Co., Ltd., based in Shinjuku, Tokyo, will unveil an innovative resource for software developers: the Sample Code 365+1 day calendar. Dedicated to engineers, this unique calendar promises a daily dose of inspiration through a variety of sample code snippets written in numerous programming languages.

Celebrating 40 Years of Excellence

As part of Shoei-sha's 40th-anniversary celebration, the calendar highlights the company’s commitment to providing valuable resources to the engineering community. Having published numerous technical and computer-related books over the past four decades, Shoei-sha now offers this interactive calendar designed to enrich the daily routines of developers.

A Year Full of Coding Surprises

The Sample Code 365+1 calendar features 366 short snippets of code — one for each day of the year, including February 29. These codes are curated from public submissions by readers, along with contributions from the publishing team. Whether you’re an expert in Python or JavaScript or curious about more obscure languages, each day brings a refreshing challenge that expands your coding horizons.

The calendar is designed without specific dates, allowing users to utilize it year after year. Each code snippet will also be available for download on GitHub, encouraging interactive engagement with the materials.

How It Works

Readers can expect snippets from popular languages like Python and JavaScript, alongside lesser-known ones such as Clojure and Fortran. The range of programming languages provides an exploratory journey for engineers.

Starting from February 18, 2026, attendees at the Developers Summit 2026, an IT-focused conference, can gain exclusive early access to the calendar before its official launch. This event promises to be a vibrant gathering of technology enthusiasts and professionals.

Ordering Information

The Sample Code 365+1 calendar is edited by the SE Editorial Department and will be available for 3,080 JPY (2,800 JPY plus 10% tax). You can purchase the calendar from local bookstores and online retailers.

• - Visit the Shoei-sha online store: SEshop
• - Order on Amazon: Amazon Japan

To explore more about Shoei-sha's 40-year journey and innovation, visit their 40th-anniversary special site at Shoei-sha 40th.

Don't miss this opportunity to make coding a delightful part of every day by getting your hands on the Sample Code 365+1 calendar. Join us in celebrating creativity in programming!