Webエンジニアの奮闘記 in カンボジア Advent Calendar 2025

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JICA海外協力隊として、2025年5月からカンボジア王国カンダール州タクマウ市の職業訓練校にて、データベースとWEBアプリケーションの開発について、授業をしています。
半年たったので、これまでの奮闘をアドベントカレンダーとして噴出したいと思います

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Series 1

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
30	@yk_hara カンボジア、スマホがあればなんでもできる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara かわいいかわいいクメールフォント Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara カンボジアのネットインフラ事情 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 食べログのない世界でどうやっておいしいお店を見つけるか Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara カンボジア流メッセージアプリの使い方 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
	@yk_hara 生徒IDカードを印刷するアプリ作ってっていわれた話（１）～どこに作る？～ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 生徒IDカードを印刷するアプリ作ってっていわれた話～どうやって印刷する？～ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 生徒IDカードを印刷するアプリ作ってっていわれた話～こうなったよ～ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara ChatGPTなしでは、私の活動は質も量も半分以下だと確信しています Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 燃え尽きた自分の心を再び燃やせた方法 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
	@yk_hara ICT学科の先生たちにDBMS教えてって言われて、何を教えたか Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara クメールの美的センス、やっぱりすごい Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara WEBアプリ開発講座の提案～何ができれば作れるのか？～ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara お願い、出席してくれ、わいのWEBアプリ開発講座に Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 若さは素晴らしい、スポンジのようだ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
	@yk_hara Ruby on Rails をカンボジアで広めたいのに全然布教できてない話 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 生成AIの使い方講座やってって言われてどうしたかについて Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara ITエンジニアから見た海外協力隊と国際協力 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 日本帰国前までに、やり遂げたいこと Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	26	27

@yk_hara
カンボジア、スマホがあればなんでもできる
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@yk_hara
かわいいかわいいクメールフォント
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@yk_hara
カンボジアのネットインフラ事情
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@yk_hara
食べログのない世界でどうやっておいしいお店を見つけるか
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@yk_hara
カンボジア流メッセージアプリの使い方
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@yk_hara
生徒IDカードを印刷するアプリ作ってっていわれた話（１）～どこに作る？～
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@yk_hara
生徒IDカードを印刷するアプリ作ってっていわれた話～どうやって印刷する？～
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@yk_hara
生徒IDカードを印刷するアプリ作ってっていわれた話～こうなったよ～
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@yk_hara
ChatGPTなしでは、私の活動は質も量も半分以下だと確信しています
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@yk_hara
燃え尽きた自分の心を再び燃やせた方法
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@yk_hara
ICT学科の先生たちにDBMS教えてって言われて、何を教えたか
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@yk_hara
クメールの美的センス、やっぱりすごい
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@yk_hara
WEBアプリ開発講座の提案～何ができれば作れるのか？～
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@yk_hara
お願い、出席してくれ、わいのWEBアプリ開発講座に
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@yk_hara
若さは素晴らしい、スポンジのようだ
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@yk_hara
Ruby on Rails をカンボジアで広めたいのに全然布教できてない話
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@yk_hara
生成AIの使い方講座やってって言われてどうしたかについて
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@yk_hara
ITエンジニアから見た海外協力隊と国際協力
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@yk_hara
日本帰国前までに、やり遂げたいこと
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Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
30	@yk_hara カンボジア、スマホがあればなんでもできる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara かわいいかわいいクメールフォント Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara カンボジアのネットインフラ事情 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 食べログのない世界でどうやっておいしいお店を見つけるか Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara カンボジア流メッセージアプリの使い方 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
	@yk_hara 生徒IDカードを印刷するアプリ作ってっていわれた話（１）～どこに作る？～ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 生徒IDカードを印刷するアプリ作ってっていわれた話～どうやって印刷する？～ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 生徒IDカードを印刷するアプリ作ってっていわれた話～こうなったよ～ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara ChatGPTなしでは、私の活動は質も量も半分以下だと確信しています Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 燃え尽きた自分の心を再び燃やせた方法 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
	@yk_hara ICT学科の先生たちにDBMS教えてって言われて、何を教えたか Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara クメールの美的センス、やっぱりすごい Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara WEBアプリ開発講座の提案～何ができれば作れるのか？～ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara お願い、出席してくれ、わいのWEBアプリ開発講座に Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 若さは素晴らしい、スポンジのようだ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
	@yk_hara Ruby on Rails をカンボジアで広めたいのに全然布教できてない話 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 生成AIの使い方講座やってって言われてどうしたかについて Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara ITエンジニアから見た海外協力隊と国際協力 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yk_hara 日本帰国前までに、やり遂げたいこと Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	26	27

@yk_hara
カンボジア、スマホがあればなんでもできる
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@yk_hara
かわいいかわいいクメールフォント
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@yk_hara
カンボジアのネットインフラ事情
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@yk_hara
食べログのない世界でどうやっておいしいお店を見つけるか
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@yk_hara
カンボジア流メッセージアプリの使い方
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@yk_hara
生徒IDカードを印刷するアプリ作ってっていわれた話（１）～どこに作る？～
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@yk_hara
生徒IDカードを印刷するアプリ作ってっていわれた話～どうやって印刷する？～
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@yk_hara
生徒IDカードを印刷するアプリ作ってっていわれた話～こうなったよ～
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@yk_hara
ChatGPTなしでは、私の活動は質も量も半分以下だと確信しています
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@yk_hara
燃え尽きた自分の心を再び燃やせた方法
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@yk_hara
ICT学科の先生たちにDBMS教えてって言われて、何を教えたか
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@yk_hara
クメールの美的センス、やっぱりすごい
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@yk_hara
WEBアプリ開発講座の提案～何ができれば作れるのか？～
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@yk_hara
お願い、出席してくれ、わいのWEBアプリ開発講座に
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若さは素晴らしい、スポンジのようだ
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Ruby on Rails をカンボジアで広めたいのに全然布教できてない話
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@yk_hara
生成AIの使い方講座やってって言われてどうしたかについて
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ITエンジニアから見た海外協力隊と国際協力
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日本帰国前までに、やり遂げたいこと
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You can increase the number of series when Calendar 1 is filled with more than 10 articles.

Webエンジニアの奮闘記 in カンボジア Advent Calendar 2025

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Series 1

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