The Qiita Advent Calendar 2019 is supported by the following companies, organizations, and services.

Advent Calendar 2019 / Organization

gumi Inc. Advent Calendar 2019

Participant5People

Subscriber8People

Category：Organization

株式会社 gumi

Python、Erlang、Elixir などちょっと変わった技術でゲームをつくったりする会社。プログラマだけじゃなく、企画、デザイン、イラストなど開発全般揃ってます。

株式会社gumiのエンジニアが業務や趣味で取り組んでいる技術の記事を掲載します。

gumi

@enrike3
SerializeReferenceとReorderableListを組み合わせて使う
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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
@hharu
Djangoシグナルハンドラの使い所
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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
@t-matsunaga
【エディタ拡張】UIElementsとTreeViewでJsonツリービューを作る
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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
@mishizak
Elixir のパターンマッチング～長い条件分岐よ、さようなら～
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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
@t-matsunaga
【エディタ拡張】リフレクションでprivateな変数も常時表示するDebugInspector【UIElements】
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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
@BelColo
去年やったImtStateMachineのエラーハンドリング版でも書こう、そうしよう
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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

@enrike3
SerializeReferenceとReorderableListを組み合わせて使う
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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
@hharu
Djangoシグナルハンドラの使い所
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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
@t-matsunaga
【エディタ拡張】UIElementsとTreeViewでJsonツリービューを作る
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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
@mishizak
Elixir のパターンマッチング～長い条件分岐よ、さようなら～
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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
@t-matsunaga
【エディタ拡張】リフレクションでprivateな変数も常時表示するDebugInspector【UIElements】
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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
@BelColo
去年やったImtStateMachineのエラーハンドリング版でも書こう、そうしよう
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
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 November 01, 2019 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

The Qiita Advent Calendar 2019 is supported by the following companies, organizations, and services.

Sunday	Wednesday	Thursday	Friday	Saturday

@enrike3 SerializeReferenceとReorderableListを組み合わせて使う Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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				@hharu Djangoシグナルハンドラの使い所 Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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
@t-matsunaga 【エディタ拡張】UIElementsとTreeViewでJsonツリービューを作る Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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				@mishizak Elixir のパターンマッチング～長い条件分岐よ、さようなら～ Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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
@t-matsunaga 【エディタ拡張】リフレクションでprivateな変数も常時表示するDebugInspector【UIElements】 Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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	@BelColo 去年やったImtStateMachineのエラーハンドリング版でも書こう、そうしよう Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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	28

Sunday	Wednesday	Thursday	Friday	Saturday

@enrike3 SerializeReferenceとReorderableListを組み合わせて使う Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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				@hharu Djangoシグナルハンドラの使い所 Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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
@t-matsunaga 【エディタ拡張】UIElementsとTreeViewでJsonツリービューを作る Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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				@mishizak Elixir のパターンマッチング～長い条件分岐よ、さようなら～ Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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
@t-matsunaga 【エディタ拡張】リフレクションでprivateな変数も常時表示するDebugInspector【UIElements】 Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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	@BelColo 去年やったImtStateMachineのエラーハンドリング版でも書こう、そうしよう Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here 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 November 01, 2019 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	28