投稿時間:2022-07-25 14:24:11 RSSフィード2022-07-25 14:00 分まとめ(29件)

カテゴリー等	サイト名等	記事タイトル・トレンドワード等	リンクURL	頻出ワード・要約等/検索ボリューム	登録日
IT	バズ部	「メタタグとは」をわかりやすく解説！SEO効果と記述のポイント	https://lucy.ne.jp/bazubu/meta-tags-42306.html	検索エンジン	2022-07-25 04:13:52
IT	ITmedia 総合記事一覧	[ITmedia Mobile] スマホやモバイルバッテリーの「mAh」って何のこと？	https://www.itmedia.co.jp/mobile/articles/2207/25/news034.html	itmediamobile	2022-07-25 13:30:00
IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] SUBARU、BRZが誕生10周年　特別仕様車を発表	https://www.itmedia.co.jp/business/articles/2207/25/news125.html	itmedia	2022-07-25 13:26:00
IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] シャープ、人気声優の梶裕貴さんを起用した“空気清浄機用カスタマイズ音声”発売	https://www.itmedia.co.jp/business/articles/2207/25/news112.html	cocoro	2022-07-25 13:25:00
IT	ITmedia 総合記事一覧	[ITmedia PC USER] テックワン、携帯ゲーミングPC「ONEXPLAYER AMD版」の上位モデルを取り扱い開始　Ryzen 7 5800Uを搭載	https://www.itmedia.co.jp/pcuser/articles/2207/25/news126.html	itmediapcuser	2022-07-25 13:18:00
IT	ITmedia 総合記事一覧	[ITmedia News] ハイエンドのApple Watch Proが登場か　より大画面で、数日使える？	https://www.itmedia.co.jp/news/articles/2207/25/news127.html	bloomberg	2022-07-25 13:06:00
Ruby	Rubyタグが付けられた新着投稿 - Qiita	間違えてmigrateした時の対処法について（初心者向け）	https://qiita.com/kuramoto30/items/c54a6ec4c66a36e61893	migrate	2022-07-25 13:13:16
Ruby	Railsタグが付けられた新着投稿 - Qiita	間違えてmigrateした時の対処法について（初心者向け）	https://qiita.com/kuramoto30/items/c54a6ec4c66a36e61893	migrate	2022-07-25 13:13:16
技術ブログ	Developers.IO	【登壇資料】 『なぜIaCの引き継ぎは 上手くいかないのか？』#devio2022	https://dev.classmethod.jp/articles/dev-io-2022-iac-take-over/	developersio	2022-07-25 04:31:27
海外TECH	DEV Community	Features of JavaScript - That You Should Know	https://dev.to/devsimc/features-of-javascript-that-you-should-know-43hm	Features of JavaScript That You Should KnowJavaScript is a front end language the most utilized language nowadays by developers to design web pages or web applications Developers use this language to make a transcendent framework to make their work more attractive ECMAScript version ES of JavaScript is the latest version now to use and there are lots of advanced functions Features of JavaScript Style Console Logyou know that you can style the console log by using JavaScript To customize the console log you need to add CSS on it to get the console log If you want to print the source code you need to add c before the code and then add console log after it But it requires CSS to variable to execute it If you want to customize the variable in comparison to others you need to use c and console log before it And add CSS properties as you want in it Let s see the example Use Shorthand OperatorsES has a shorthand to define operators in a short way And this is an operator that no one can talk about simply because they don t know about it This operator makes your work easy and fast And it looks very clean and neet to read and understand Let s see the example Elective ChainingChaining is used to check properties before if it s null or undefined then it returns undefined otherwise its returns the value Developers have a lot of work and projects to complete before a time Source code has large objects nested loops containers for that to check the property Let s see the example Use Generator FunctionThis is a function that similar to common functions the only difference between them is Generator function stops the execution on a particular line when you want and continue when you want To create the generate function you need to use after keyword of function Let s see the example Use in Keywordin keyword is used to check the properties are available in an object or not After using this keyword you can get the true or false value its depend on the value that available in an object or not Let s see the example	2022-07-25 04:39:57
海外TECH	DEV Community	Write your Kubernetes Infrastructure as Go code - Using Custom Resource Definitions with cdk8s	https://dev.to/abhirockzz/write-your-kubernetes-infrastructure-as-go-code-using-custom-resource-definitions-with-cdk8s-1eei	Write your Kubernetes Infrastructure as Go code Using Custom Resource Definitions with cdkscdks Cloud Development Kit for Kubernetes is an an open source framework part of CNCF using which you can define your Kubernetes applications with regular programming languages instead of yaml Some of the previous blogs on this topic covered the getting started experience and using cdks plus library to further improve upon the core cdks library features We are going to continue and push cdks even further This blog post will demonstrate how you can use Kubernetes Custom Resource Definitions with cdks We will start off with a simple Nginx example and then you will use the combination of Strimzi project CRDs along with Go and cdks to define and deploy a Kafka cluster on Kubernetes I am assuming that you ve have some knowledge of Kubernetes Custom Resource Definitions and have probably even used a few in the form of Operators If not that s ok The Kubernetes documentation covers it quite well You can always refer to it come back here and follow along cdks lets you use Kubernetes API objects directly in your code without having to import individual Go client packages all thanks to cdks import also mentioned in the Wait what about the Kubernetes API dependencies section of a previous blog post But you can also use it for Custom Resource Definitions Let s see this in action Before you begin Make sure you have Go v or above and cdks CLI installed Also you need to have access to a Kubernetes cluster For learning and experimentation I would recommend using a single node cluster running locally such as minikube kind etc I generally use minikube so setting up a cluster is as simple as minikube startTo install cdks CLIYou can choose from the below options homebrewbrew install cdks npmnpm install g cdks cli yarnyarn global add cdks cli Alright lets get started Although this blog post will provide step by step instructions you can always refer to the complete code on Githubcdks makes it really easy for you get started and bootstrap your application You don t need to guess and figure out how to structure your project setup dependencies etc since the cdks init command does it for you cdks init go app output Your cdks Go project is ready cat help Prints this message cdks synth Synthesize ks manifests to dist cdks import Imports ks API objects to imports ks Deploy kubectl apply f dist Update the generate go mod file and replace it with the following this is to make things simpler for you Feel free to use the latest version of the modules if needed module cdks crdgo require github com aws constructs go constructs v v github com aws jsii runtime go v github com cdks team cdks core go cdks v v To start with let s work with a really really simple Custom Resource DefinitionI am going to use a sample CRD from the Kubernetes example To be honest it doesn t really do anything But since we re just getting started this should suffice First install register the CRD resource itself kubectl apply f Confirm whether the CRD was installed kubectl get crd outputNAME CREATED ATfoos samplecontroller ks io T Zkubectl get foos samplecontroller ks io output as expected No resources found in default namespace So we just installed a CRD with the name foos samplecontroller ks io and type Foo Its possible to create an instance of this using yaml but We are here to write Go code To do that first import the CRD as an API using cdks this will automatically create the corresponding Go API representations structs etc cdks import Check the imports directory an additional folder should have been created imports └ーsamplecontrollerksio ├ーinternal │└ーtypes go ├ーjsii │├ーjsii go │└ーsamplecontrollerksio tgz ├ーsamplecontrollerksio go ├ーsamplecontrollerksio init go └ーversionWe can now use the CRD just like any other Kubernetes resource API like Deployment and import it in the cdks Go code Create a new file called foo go and copy the following code package mainimport cdks crd imports samplecontrollerksio github com aws constructs go constructs v github com aws jsii runtime go github com cdks team cdks core go cdks v type FooChartProps struct cdks ChartProps func NewFooChart scope constructs Construct id string props FooChartProps cdks Chart var cprops cdks ChartProps if props nil cprops props ChartProps chart cdks NewChart scope jsii String id amp cprops samplecontrollerksio NewFoo chart jsii String foo amp samplecontrollerksio FooProps Spec amp samplecontrollerksio FooSpec DeploymentName jsii String foo dep Replicas jsii Number return chart See how we created an instance of samplecontrollerksio Foo Imported the autogenerated CRD API from the cdks crd imports samplecontrollerksio package Used the NewFoo function and provided the metadata via FooPropsReplace the contents of main go with the following package mainimport github com cdks team cdks core go cdks v type MyChartProps struct cdks ChartProps func main app cdks NewApp nil NewFooChart app FooApp nil app Synth All we is include the Chart that we defined just now in foo go and include it in the cdks App To create the Foo resource Run cdks synth this will result in a manifest in the dist folder apiVersion samplecontroller ks io valphakind Foospec deploymentName foo dep replicas metadata name fooapp foo cacTo create it in Kubernetes kubectl apply f distYou can confirm by running kubectl get fookubectl get foos samplecontroller ks ioTo introspect further you can use the name of the created resource e g kubectl describe foo fooapp foo cacAlright now that you ve seen a simple example we can move on to something slightly more advanced Setup Kafka on Kubernetes using Strimzi cdks and GoStrimzi is an open source CNCF project and one of my personal favourites If you don t know about Strimzi that s ok It s enough to understand that it provides a way to run an Apache Kafka on Kubernetes with the help of Custom Resource Definitions and corresponding Operators for components such as Kafka cluster Kafka Connect topic users Kafka Mirror etc Here is a high level diagram of how the different Strimzi components interact Since a Strimzi deep dive is out of scope I would recommend that you refer its excellent documentation for details As before we need to first install the CRD itself you can also refer to the Strimzi Quickstart kubectl create namespace kafkakubectl create f n kafka wait for the Operator Pod to start up Running kubectl get pod n kafka watchYou can also check the Operator logs using kubectl logs deployment strimzi cluster operator n kafka fEach supported Kafka component cluster connect user etc has a corresponding Custom Resource Definition for the purposes of this blog post we will just use the Kafka cluster and topic CRDs Let s import them as an API cdks import cdks import kafkatopic Note that I ve prepended kafkatopic to the module name for Kafka topic CRDCheck the imports folder you should see two additional folders named kafkastrimziio and kafkatopic kafkastrimziio Time for some Go code againCreate a kafka strimzi go file and copy the code from Github repo Or you can also simply do this curl o kafka go I will walk you through the important parts of the code here Start with the NewKafkaChart function that creates a new Chart func NewKafkaChart scope constructs Construct id string props KafkaChartProps cdks Chart ommitted for brevity chart cdks NewChart scope jsii String id amp cprops See how the Kafka cluster is defined using kafkastrimziio KafkaProps struct for a deep dive into each of these components you can refer to Strimzi documentation We specify the Kafka version number of nodes replicas we will stick to a single node replica how to expose the cluster etc amp kafkastrimziio KafkaProps Spec amp kafkastrimziio KafkaSpec Kafka amp kafkastrimziio KafkaSpecKafka Version jsii String Replicas jsii Number Listeners amp kafkastrimziio KafkaSpecKafkaListeners Name jsii String plain Port jsii Number Type kafkastrimziio KafkaSpecKafkaListenersType INTERNAL Tls jsii Bool false Then we add required config for the Kafka cluster in line with the fact that we have a single node cluster only as well as storage ephemeral storage will work for this example Config map string interface offsets topic replication factor transaction state log replication factor transaction state log min isr default replication factor min insync replicas inter broker protocol version Storage amp kafkastrimziio KafkaSpecKafkaStorage Type kafkastrimziio KafkaSpecKafkaStorageType EPHEMERAL Finally we configure Zookeeper as well as the Entity operator that handles Kafka topics as well as users although we don t use it here Zookeeper amp kafkastrimziio KafkaSpecZookeeper Replicas jsii Number Storage amp kafkastrimziio KafkaSpecZookeeperStorage Type kafkastrimziio KafkaSpecZookeeperStorageType EPHEMERAL EntityOperator amp kafkastrimziio KafkaSpecEntityOperator TopicOperator amp kafkastrimziio KafkaSpecEntityOperatorTopicOperator To wire it up update the main go file func main app cdks NewApp nil NewFooChart app FooApp nil NewKafkaChart app KafkaApp nil app Synth To create a Kafka cluster using the CRD Follow the the usual workflow generate manifest check it in dist folder cdks synth apply it note the kafka namespace kubectl apply f dist n kafkaWait for the resources to be created KAFKA CRD INSTANCE NAME kubectl get kafka n kafka o jsonpath items metadata name kubectl wait kafka KAFKA CRD INSTANCE NAME for condition Ready timeout s n kafkaOnce all the Kafka cluster resources are created you should see the following message kafka kafka strimzi io lt name of your Kafka CRD instance gt condition met The Kafka cluster is now ready and we can test it using the good old Kafka CLI based producer and consumer instructions in Strimzi quickstart BOOSTRAP SERVER kubectl get kafka n kafka o jsonpath items metadata name kafka bootstrapkubectl n kafka run kafka producer ti image quay io strimzi kafka kafka rm true restart Never bin kafka console producer sh bootstrap server BOOSTRAP SERVER topic test topickubectl n kafka run kafka consumer ti image quay io strimzi kafka kafka rm true restart Never bin kafka console consumer sh bootstrap server BOOSTRAP SERVER topic test topic from beginningThat s all for now Time to wrap up You learnt how to combine Kubernetes Custom Resource definition with cdks This is really powerful and means that you can continue to use code in this case written in Go to define built in Kubernetes resources like Deployments etc as well as Custom resources Did you like what you tried Well you can continue learning Couple of suggestions You can try updating the existing code to add a Deployment resource that refers to a Kafka client app you have to write it and package it as a Docker container first and can access the Kafka cluster you created Explore how you can get the connectivity parameters The Kafka cluster we created was configured to have Internal access only Explore options to expose it externally refer to Strimzi documentation and update the code to implement that should be a small change Which Kubernetes objects will be affected by it Happy coding	2022-07-25 04:15:00
海外TECH	DEV Community	HOW TO MANAGE YOUR DAY?	https://dev.to/ammohitchaprana/how-to-manage-your-day-4doc	HOW TO MANAGE YOUR DAY Not only a web developer or a programmer should know how to manage their daily routine but in my opinion everyone should follow a routine to live a well balanced life Here is mine formula of living a well balanced life Before touching mobile amp doing st thing in the morning make a chit slip for works you have to do today It will help you to achieve efficiency and increase our productivity mins or hrs works time table Efficiency Alertness Slip of work list you have to finish day hrs i e xxFirst Give it completely to your profession Second Take rest or Sleep don t compromise with it Third Very imp to like a happy life amp enjoy it Divide it in compartments as given below FFF FAMILY FRIENDS amp FAITHHHH HEALTH HYGINE amp HOBBYSSS SOUL SERVICE amp SMILE WELL LIVED BALANCED LIFE	2022-07-25 04:09:00
医療系	医療介護 CBnews	陰圧空調病室、エアロゾル産生手技患者を優先収容-厚労省がコロナ診療手引き第8.0版を事務連絡	https://www.cbnews.jp/news/entry/20220725131605	厚生労働省	2022-07-25 13:20:00
金融	ニッセイ基礎研究所	非正規雇用の拡大（中国）－浮かび上がるセーフティネットの脆弱性	https://www.nli-research.co.jp/topics_detail1/id=71874?site=nli	目次ー中国での「非正規雇用労働者」は働いている人の割ほどにー中国における「非正規雇用労働者」中国語「霊活就業人員」とはー非正規雇用は、都市生活やネット社会を支える業種・職種で、特に歳以下に多いー社会を支える非正規雇用労働者のセーフティネットが脆弱という、パラドキシカルな状況中国において、非正規雇用労働者数は億人まで増加している。	2022-07-25 13:15:32
ニュース	ジェトロ ビジネスニュース（通商弘報）	ドイツへのノード・ストリーム1の天然ガス供給再開、ガス価格は高騰続く	https://www.jetro.go.jp/biznews/2022/07/17ff0f14140b8bc3.html	天然ガス	2022-07-25 04:10:00
海外ニュース	Japan Times latest articles	Caroline Kennedy and U.S. State Department No. 2 to visit Solomons	https://www.japantimes.co.jp/news/2022/07/25/asia-pacific/politics-diplomacy-asia-pacific/us-solomon-islands-caroline-kennedy-wendy-sherman/	Caroline Kennedy and U S State Department No to visit SolomonsU S Deputy Secretary of State Wendy Sherman and Kennedy the U S ambassador to Australia plan to visit next month as Washington battles for influence with	2022-07-25 13:06:26
ニュース	BBC News - Home	Rishi Sunak and Liz Truss: Stakes high for first head-to-head debate	https://www.bbc.co.uk/news/uk-politics-62272482?at_medium=RSS&at_campaign=KARANGA	chris	2022-07-25 04:36:05
ニュース	BBC News - Home	Oak Fire: Wildfire grows as firefighters battle punishing heat	https://www.bbc.co.uk/news/world-us-canada-62287898?at_medium=RSS&at_campaign=KARANGA	national	2022-07-25 04:01:04
ニュース	BBC News - Home	Myanmar military executes four democracy activists	https://www.bbc.co.uk/news/world-asia-62287815?at_medium=RSS&at_campaign=KARANGA	capital	2022-07-25 04:17:51
ニュース	BBC News - Home	Newspaper headlines: Tory race turns 'toxic' and NHS 'on its knees'	https://www.bbc.co.uk/news/blogs-the-papers-62287295?at_medium=RSS&at_campaign=KARANGA	blows	2022-07-25 04:28:11
北海道	北海道新聞	航空大学校の訓練機が滑走路逸脱　帯広空港、けが人なし	https://www.hokkaido-np.co.jp/article/709780/	航空大学校	2022-07-25 13:23:00
北海道	北海道新聞	立憲、旧統一教会巡り党内調査へ　幹事長表明、対策本部が初会合	https://www.hokkaido-np.co.jp/article/709779/	世界平和統一家庭連合	2022-07-25 13:21:00
北海道	北海道新聞	乗客１０００人未満の地方鉄道、存廃協議へ　３年以内に結論	https://www.hokkaido-np.co.jp/article/709778/	国土交通省	2022-07-25 13:18:00
北海道	北海道新聞	フィギュア元五輪女王キム・ヨナさん１０月結婚　声楽家の２７歳男性と	https://www.hokkaido-np.co.jp/article/709758/	韓国	2022-07-25 13:11:00
北海道	北海道新聞	オリックス平野佳と椋木が陽性　新型コロナで隔離療養	https://www.hokkaido-np.co.jp/article/709773/	平野佳寿	2022-07-25 13:16:00
マーケティング	MarkeZine	【耳から学ぶ】YouTubeアワード受賞作品のポイント解説	http://markezine.jp/article/detail/39529	youtube	2022-07-25 13:30:00
IT	週刊アスキー	人気大衆食堂の味をローソンで！ 東北エリアで「半田屋」監修「おにぎりサンド 豚汁風」「ダブルチキンカツバーガー（仙台味噌入りソース使用）」	https://weekly.ascii.jp/elem/000/004/099/4099173/	仙台味噌	2022-07-25 13:30:00
IT	週刊アスキー	ベルキン、 MacBook対応の小型USB Type-C充電器と1000円台の高耐久ケーブル	https://weekly.ascii.jp/elem/000/004/099/4099188/	belkinboostcharge	2022-07-25 13:30:00
マーケティング	AdverTimes	イベントレポート「『大ダメ出し時代』だからこそ『ホメ出し』を実践しよう」	https://www.advertimes.com/20220725/article390861/	二子玉川	2022-07-25 05:00:28