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Hatena::Bookmark (2019-12-20)
"It’s finally here. Every V8 release, every six weeks when we branch as part of our release process, the question comes up about what will happen when V8 hits version 8. Will we have a party? Will we ship a new compiler? Will we skip versions 8 and 9 and just stay at an eternal V8 version X?"

V8 release v8.0 · V8
[B!] 2019-12-20 09:28:34
関連するかも情報
「データが第三者により許可なくアクセスされないことを評価するための手段」「暗号化を行い、その鍵を消去することはCryptographic Erase(CE:暗号化消去)としてNIST SP800-88においても紹介」

クラウドにおける安全なデータの廃棄 | Amazon Web Services ブログ
[B!] 2019-12-20 07:59:55
"It’s finally here. Every V8 release, every six weeks when we branch as part of our release process, the question comes up about what will happen when V8 hits version 8. Will we have a party? Will we ship a new compiler? Will we skip versions 8 and 9 and just stay at an eternal V8 version X?"

V8 release v8.0 · V8
[B!] 2019-12-20 09:28:34
Histogram "cumulative counters for the observation buckets, exposed as <basename>_bucket{le="<upper inclusive bound>"}", "the total sum of all observed values, exposed as <basename>_sum", "the count of events that have been observed, exposed as <basename>_count (identical to <basename>_bucket{le="+I

Metric types | Prometheus
[B!] 2019-12-20 11:40:38
Grafana Dashboards - discover and share dashboards for Grafana. | Grafana Labs

Grafana Dashboards - discover and share dashboards for Grafana. | Grafana Labs
[B!] 2019-12-20 11:41:31
"Dashboard for Micrometer(Java, Spring Boot, Actuator)"

JVM (Actuator) dashboardData for Grafana | Grafana Labs
[B!] 2019-12-20 11:41:48
data types: "Instant vector - a set of time series containing a single sample for each time series, all sharing the same timestamp", "Range vector", "Scalar - a simple numeric floating point value", "String - a simple string value; currently unused"

Querying basics | Prometheus
[B!] 2019-12-20 11:43:22
"Histograms and summaries are more complex metric types. Not only does a single histogram or summary create a multitude of time series, it is also more difficult to use these metric types correctly. This section helps you to pick and configure the appropriate metric type for your use case."

Histograms and summaries | Prometheus
[B!] 2019-12-20 11:43:54
"The Alertmanager handles alerts sent by client applications such as the Prometheus server. It takes care of deduplicating, grouping, and routing them to the correct receiver integration such as email, PagerDuty, or OpsGenie. It also takes care of silencing and inhibition of alerts."

Alertmanager | Prometheus
[B!] 2019-12-20 11:44:05
"There are a number of libraries and servers which help in exporting existing metrics from third-party systems as Prometheus metrics. This is useful for cases where it is not feasible to instrument a given system with Prometheus metrics directly (for example, HAProxy or Linux system stats)."

Exporters and integrations | Prometheus
[B!] 2019-12-20 11:46:18
PromQL

Querying examples | Prometheus
[B!] 2019-12-20 11:48:57
Spring Boot爆速開発超絶技巧 #jsug #boot / Spring Boot & IntelliJ IDEA technique - Speaker Deck

Spring Boot爆速開発超絶技巧 #jsug #boot / Spring Boot & IntelliJ IDEA technique - Speaker Deck
[B!] 2019-12-20 13:17:36
JUnit 3, JUnit 4 との比較が参考になる。JUnit 5 のメソッドは public にしなくて良い。assertAll で失敗するアサーションがあってもすべて検証。private メソッドのテストは package private にする(というのはちょっと違和感があるけど)

まだまだ間に合うJUnit(再)入門 #jjug_ccc #ccc_g4 - Speaker Deck
[B!] 2019-12-20 13:24:13
"You can now earn up to $1,500,000 and report issues on iOS, iPadOS, macOS, tvOS, watchOS, and iCloud. In addition, Apple offers public recognition for those who submit valid reports and will match donations of the bounty payment to qualifying charities."

Apple Security Bounty - News - Apple Developer
[B!] 2019-12-20 13:32:50
Introducing the new Microsoft Edge and Bing | Windows Experience Blog

Introducing the new Microsoft Edge and Bing | Windows Experience Blog
[B!] 2019-12-20 13:40:11
「今年も企業不祥事やトラブルなどで、多くの「謝罪会見」が」「危機管理広報、リスクマネジメントといった領域の専門家を対象にアンケートを実施。専門家が選ぶ「2019年の謝罪会見ワースト5」ランキングを作成」

ワースト謝罪会見ランキング2019、プロが選ぶ「最も残念な謝り方」は? | News&Analysis | ダイヤモンド・オンライン
[B!] 2019-12-20 13:40:51
「Application Load Balancer、Network Load Balancer、および Classic Load Balancer では、使用した分のみ料金が発生します」

料金 - Elastic Load Balancing | AWS
[B!] 2019-12-20 15:02:02
dein.vim で ディレクトリツリーを表示させる方法 ~ 0から始めるvim ~ - Qiita

dein.vim で ディレクトリツリーを表示させる方法 ~ 0から始めるvim ~ - Qiita
[B!] 2019-12-20 16:04:30
Vimメモ : Neovimで開発環境を段階的に構築する(1)インストールとcheckhealth - もた日記

Vimメモ : Neovimで開発環境を段階的に構築する(1)インストールとcheckhealth - もた日記
[B!] 2019-12-20 16:06:33
deoplete.nvim開発者、Shougoが考える「Vimの限界ギリギリ」を攻めるプラグイン開発の裏側 - エンジニアHub|若手Webエンジニアのキャリアを考える!

deoplete.nvim開発者、Shougoが考える「Vimの限界ギリギリ」を攻めるプラグイン開発の裏側 - エンジニアHub|若手Webエンジニアのキャリアを考える!
[B!] 2019-12-20 16:07:45
「HTML5 のフォーム制御の機能の一つにスクリプトに頼らない多くのユーザーデータの検証があります」「検証属性(validation attributes)」「pattern 属性は、データが指定された正規表現にマッチするかどうかを検証」

フォームデータの検証 - ウェブ開発を学ぶ | MDN
[B!] 2019-12-20 16:17:35
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