Blog - LINE ENGINEERING

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LINE DEVELOPER DAY 2018 Recap
Minwoo Park2019-06-03
As a member of Developer Relations team at LINE, I evangelize awesome tech assets of LINE.
LINE DEVELOPER DAY 2018 LINE has been hosting an annual technology conference, a.k.a. LINE Developer Day, in Tokyo since 2015, and this event has been evolving in size and quality ever since. In November 2018, LINE DEVELOPER DAY 2018 was held at Happoen Garden in Tokyo with the participation of more than 1,000 developers. As I was providing support for this conference from Korea, I attended the event and I'd like to share a few snapshots of LINE DEVELOPER DAY 2018. A wide
- linedevday
Performance impact of MySQL performance-schema-instruments
tom__bo2019-05-16
LINE Engineer
Hi, there! I'm Otsuka (tom__bo), mainly responsible for MySQL operations and development of various DB administration and verification tools. In this post, I am going to write about my experiment on MySQL performance when its performance consumers, namely the performance_schema database and the innodb_metrics table of the information_schema database, are up and running. I got to learn about the performance_schema and the INFORMATION_SCHEMA.INN
- SQL
Make your GitHub contributions calendar greener (featuring Armeria Sprint)!
SeoYeon Lee2019-05-14
I'm responsible for open source projects at LINE
Hi, there! Do any of you need to make lots and lots of commits to turn your GitHub contribution calendar into a pastureland? If that's the case, I proudly present Armeria Sprint! Let me give you some ideas on what Armeria Sprint is and share reviews from our enthusiastic participants. You've probably come across a sprint at technical conferences such as PyCON Development Sprints before. Or, you might just find the term, sprint, familiar because it appears in Agile soft
- Armeria
- Open Source
How AIR ARMOR checks iOS Code Signing
Minyoung Sim2019-05-14
I develop AIR ARMOR at LINE
AIR ARMOR is a security solution of AIR; AIR is a component of the LINE GAME PLATFORM. You can refer to Seunghoon's posting on AIR GO and APK Signing for information on the APK signature scheme. For this posting, I'll explain about iOS code signing, one of Apple's security mechanism. Code signing is to verify the integrity of the software code and confirm the signer (who wrote the code). I'll also cover checking the integrity of iOS Mach-O bin
- iOS
- Security
- Client
Introducing LINE Games analytics environment
myunghoon yi2019-05-13
Big data and data analysis have long been popular key words in the IT world. Nowadays, they are no longer a choice but a necessity. Everyone is piling up and digging up data to find a meaning from big data. To achieve success in this "fact-finding" process, we need an appropriate analytics environment. Today I'd like to share with you how and what LINE has built for game analysis.LINE Games: Analytics environmentWhen it comes to an analytics environment, it means tools such as&nbs
- LINE Games
- Data/AI
VueConf TO 2018 Recap
Ted Wu2019-05-02
I am a frontend engineer in LINE Taiwan.
VueConf TO is North America's biggest Vue conference with attendees from all around the world, including Vue.js core team members, Nuxt.js, Vuetify.js and main library authors, along with expert speakers from the community. Vue is an open-source JavaScript framework for building user interfaces and single-page applications, which lower the barrier and complexity of frontend development. It's one of the most popular framework nowadays and has been wid
- Vue.js
- Vue
LINE API Expert 新メンバーをお知らせします
Shinichiro Isago2019-04-23
LINE Engineer
LINE API Expertは、LINEが開発者向けに提供する各種APIなどへの深い理解と高い技術力を持ち、開発者コミュニティに影響力を持つエンジニアの方々を認定し、様々な特典を提供すると共に、その活動を支援するプログラムです。審査基準は、コミュニティへの影響力、記事執筆やプレゼンテーション能力、関連ソフトウェア開発における技術力、将来の技術パートナーとしてのポテンシャルなどの観点で、総合的に判断しています。今回も多数の応募者の中から認定した新たなメンバーをご紹介します。新メンバーのご紹介今回は、日本、タイから合計9名を認定しました。認定者による積極的な情報発信やLINE Developer Communityの盛り上げ等を期待しています。※50音順にご紹介いたします日本今城洸幸さん今城さんは、Clova CEKのリリース後すぐにCEK関連の勉強会にご参加いただきました。持ち前の吸収力と勤勉さでハンズオンの講師などを務めながら、『自分も世界もみんなわくわくに』をミッションに様々なプロダクトを開発しているエンジニアで、オフラインの勉強会やSNSを活用し
Thank you for contributing to Armeria!
SeoYeon Lee2019-04-16
I'm responsible for open source projects at LINE
Hello to the readers! I'd like to share with you the first ever Armeria Contributor Reward Event and how it went. For this posting, I'm not going to elaborate on the technical aspects of Armeria. To learn more about its technology and features, please visit the official website for Armeria.The Armeria project was initially developed by LINE but went to open source later. Even though the project was initiated by LINE, Armeria is where it is now thanks to participation fro
- Armeria
- Open Source
Migration of LINE Developer Trial plan
LINE Engineering2019-04-10
LINE Engineering Blog official account
Hi! This is the LINE Developer Relations team, thanking you for using LINE@. As a result of our “Redesign” project, from mid-June 2019,we're turning all LINE@ accounts with Developer Trial Plans intoLINE Official Accounts with Free Plans. Check out our press release about the “Redesign” project. Changes due to the “Redesign” project The Developer Trial Plan, first released in 2016, allowed developers to build trial apps based on products provi
- LINE Developers
Making a polygraph bot without a single line of coding!
LINE AFD Labs2019-04-01
Researching for creative ways to use chat bot at LINE AFD Team
The LINE Messaging API comes with a feature to send and reply to a message via a bot. Today I'm going to introduce how to make a polygraph bot with the LINE Messaging API, without coding a single line. Let's first take a look at how LINE polygraph bot works. Did you notice anything strange? Voila! This was an April Fool's Day event! There is no such team as AFD Team in LINE because it stands for "April Fool's Day"! Well, we cannot make a polygraph but we can create a LIN
- LINE Messaging API