投稿時間:2021-10-21 00:37:35 RSSフィード2021-10-21 00:00 分まとめ(47件)

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AWS	AWS Open Source Blog	Enhancing Spinnaker deployment for dynamic AWS account registration	https://aws.amazon.com/blogs/opensource/enhancing-spinnaker-deployment-for-dynamic-aws-account-registration/	Enhancing Spinnaker deployment for dynamic AWS account registrationThis post was written by Manabu McCloskey Gaurav Dhamija Nima Kaviani Siddhi Shah Kevin Kidd Brandon Leach and Shrirang Moghe Multi account Amazon Web Services AWS environments are a recommended best practice through which AWS customers can have clear separation of concerns across teams and applications where rapid innovation flexible security controls and varied adoption of …	2021-10-20 14:30:45
js	JavaScriptタグが付けられた新着投稿 - Qiita	【学習記録⑤】propsを用いて親コンポーネントから子コンポーネントに値を渡す。	https://qiita.com/Ooooooomin_365/items/7449f72409bf6d00f475	サンプルコード前回の記事ではMorningvueAfternoonvueEveningvueそれぞれに挨拶文を書いていましたが、今回はそれらのvueファイルの親コンポーネントであるAppvueから値を渡しています。	2021-10-20 23:41:08
js	JavaScriptタグが付けられた新着投稿 - Qiita	私しか使わない？初心者がキャンプや登山などアウトドアで使えるLineBot「標高クン」を作成してみた。	https://qiita.com/khara-xedge/items/9606afe5307d0982e02f	そこで今回は、位置情報を送信するとその場所の標高を返信してくれるLineBot「標高クン」を作成してみました環境今回実装した時の環境は以下の通りです。	2021-10-20 23:09:44
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Arduino シリアル通信 Mac c++	https://teratail.com/questions/365428?rss=all	Arduinoシリアル通信MaccArduinonbspUnoに以下のプログラムを書き込みました。	2021-10-20 23:57:03
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Homebrewのインストールエラー	https://teratail.com/questions/365427?rss=all	Homebrewのインストールエラー前提・実現したいことPythonをインストールするためにHomebrewをインストールしようとしたのですが、sudonbspaccessが出来ません。	2021-10-20 23:41:17
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	vue3の双方向データバインドについて	https://teratail.com/questions/365426?rss=all	vueの双方向データバインドについてvueの双方向データバインドについて質問です。	2021-10-20 23:35:43
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	【PHP】配列の引き算	https://teratail.com/questions/365425?rss=all	【PHP】配列の引き算①聞きたいことPHPの同じ配列内の式を計算する方法を知りたい②作業内容以下のようにコードを記述numberにはnumにはを入力。	2021-10-20 23:29:19
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	ffmpegを使ったWebアプリを公開するにあたってライセンスに注意すべき点はありますか?	https://teratail.com/questions/365424?rss=all	ffmpeg	2021-10-20 23:23:50
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	C++ std::vectorを使用して文字列配列が作成できない	https://teratail.com/questions/365423?rss=all	Cstdvectorを使用して文字列配列が作成できない前提・実現したいことCの初心者です。	2021-10-20 23:16:43
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Swift５　撮った写真がボタンのimageに反映されない	https://teratail.com/questions/365422?rss=all	Swift撮った写真がボタンのimageに反映されない前提・実現したいことカメラで撮った写真をボタンのsetimageに反映させたい発生している問題・エラーメッセージ撮った写真をphotoImageの中に入れて、ボタンに撮った写真を反映させるためにsetImageの中にphotoImageを入れて反映させようとしたのですが全く表示されません。	2021-10-20 23:11:20
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	document.evaluateで指定するUNORDERED系の結果タイプのメリット	https://teratail.com/questions/365421?rss=all	documentevaluateで指定するUNORDERED系の結果タイプのメリットdocumentevaluateでノードを検索するとき、どのように結果を返すかをXPathResultの定数で指定しますよね。	2021-10-20 23:08:27
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	PyrhonのTkinterをつかってグラフを画面の真ん中に表示させたい	https://teratail.com/questions/365420?rss=all	PyrhonのTkinterをつかってグラフを画面の真ん中に表示させたい前提・実現したいことPyrhonのTkinterをつかってグラフを画面の真ん中に表示させたい。	2021-10-20 23:08:14
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	テーブルタグで表作成	https://teratail.com/questions/365419?rss=all	課題	2021-10-20 23:02:03
Docker	dockerタグが付けられた新着投稿 - Qiita	dockerでgnu screenを使う	https://qiita.com/ckron/items/2110d32d036c890d48b9	dockerでgnuscreenを使う初めまして。	2021-10-20 23:16:28
Ruby	Railsタグが付けられた新着投稿 - Qiita	railsチュートリアル第八章 レイアウトを変更する	https://qiita.com/masatom86650860/items/733a267709a717162a53	endendユーザーがログインしていればtrue、その他ならfalseを返すdefloggedincurrentusernilcurrentuserがnilでないことを確認endendレイアウトに新しいリンクを追加したので、リストにBootstrapのドロップダウンメニュー機能を適用できる状態になりました。	2021-10-20 23:44:36
技術ブログ	Developers.IO	Amazon SNSでSMS送信の使用制限に抵触したので上限を引き上げてみた（申請中）	https://dev.classmethod.jp/articles/conflict-with-the-usage-limit-for-sending-sms-on-amazon-sns-so-i-tried-raising-the-limit/	amazon	2021-10-20 14:39:45
海外TECH	MakeUseOf	Facebook Wants 10,000 Workers to Build the Metaverse: Could You Be One of Them?	https://www.makeuseof.com/facebook-is-building-the-metaverse-hiring-workers/	Facebook Wants Workers to Build the Metaverse Could You Be One of Them Facebook has announced plans to hire workers to build its amp quot metaverse amp quot So do you want to help Mark Zuckerberg turn his dream into reality	2021-10-20 14:46:19
海外TECH	MakeUseOf	Apple Is Selling a $19 Polishing Cloth, but You Don't Need It	https://www.makeuseof.com/apple-is-selling-a-19-dollar-polishing-cloth-but-you-dont-need-it/	Apple Is Selling a Polishing Cloth but You Don x t Need ItApple is selling a polishing cloth for amp quot safely and effectively amp quot cleaning your Mac iPhone and iPad But you don t need to buy it here s why	2021-10-20 14:45:16
海外TECH	MakeUseOf	How to Cancel Your Shudder Subscription	https://www.makeuseof.com/how-to-cancel-your-shudder-subscription/	cancel	2021-10-20 14:30:47
海外TECH	MakeUseOf	How to Make Your Twitter Profile Stand Out From the Crowd	https://www.makeuseof.com/how-to-make-twitter-profile-stand-out/	twitter	2021-10-20 14:30:46
海外TECH	MakeUseOf	Everything You Need to Know About ControlD: A VPN Without a VPN App	https://www.makeuseof.com/controld-vpn-without-vpn-app/	Everything You Need to Know About ControlD A VPN Without a VPN AppLooking for the advantages of a VPN without actually using a VPN ControlD a free DNS with extra paid for content could be ideal for you	2021-10-20 14:00:53
海外TECH	DEV Community	Is Hacking legal 🤔⁉️	https://dev.to/alfarsi2008/is-hacking-legal--4m06	Is Hacking legal ️firstly we need to know about the hacking what is it What kinds he is how it works What is Hacking i cant tell you the meaning of hacking becuase it has a Many definitions i like the google definitionDefinition Hacking is an attempt to exploit a computer system or a private network inside a computer Simply put it is the unauthorised access to or control over computer network security systems for some illicit purpose but in many things the hacking is a legal thing how see the below text What kinds he is the hacking has many kinds like InformationsGames Dataand more But the hackers are divided into two types moral and unmoral Moral its a legal hacking uses to self defense amp the companies use it detect errors Unmoral its non legal hacking uses to penetration peoples and companies and collect data How it works if you ask any hacker how he is hacking his answer will be Terminal but wich Terminal the best Terminal is Linux Terminal ok how with bash Sometimes Python Conclusionthe hacking will be a legal thing When it comes to self defense or work with companies anything else he is non legal	2021-10-20 14:56:27
海外TECH	DEV Community	Extending the Salesforce CLI with a Custom Plugin	https://dev.to/salesforcedevs/extending-the-salesforce-cli-with-a-custom-plugin-59e0	Extending the Salesforce CLI with a Custom PluginAs more services move to the cloud and DevOps methodologies continue to evolve more and more developers are getting comfortable with working in the terminal Whereas traditional CLI commands like grep and cat are well known tools for achieving small goals more complicated tasks require more robust tooling Nowadays CLI programs come with richer interactive experiences One such program is the Salesforce CLI the command line interface for Salesforce DX It s a CLI that helps simplify common operations when building an application for Salesforce developers The Salesforce CLI itself is built on top of oclifーalso from Salesforceーwhich is an open source framework for building command line interfaces Oclif is written in TypeScript and it has a very robust community supporting it Best of all it has an architecture that prioritizes plugin support which enables users to extend the CLI for their own needs In this post we ll create a custom plugin for sfdx Our plugin will generate fixture data for a Lightning app that runs on a Salesforce org This data will be used to populate our project with random names and addresses in order for us to test the usability of our project PrerequisitesBefore getting started install the following A relatively recent version of Node js You should install the latest version available such as or The Salesforce CLI tool installed globally as the sfdx cli NPM packageTypeScript As long as you know JavaScript deep familiarity with TypeScript isn t required To make absolutely sure that you have all the necessary software follow this guide on preparing for Salesforce CLI plugin development Next if you don t have a Salesforce org sign up for a free Developer Edition org Enable Dev Hub for your Salesforce org Once your DevHub is enabled you ll need to associate it with your Salesforce CLI install To do that run the following command sfdx auth web login d a DevHubThis will open a new browser window that will ask for your Salesforce credentials Once you ve gone through that flow sfdx will inform you when the authentication is complete Finally you can create a scratch org which is like a temporary Salesforce org You can use the scratch org to test what developing on the Salesforce platform looks like Getting startedOpen up a terminal window and navigate to a folder for your new project Then clone the following GitHub repository git clone The Dreamhouse app is a sample Lightning application that lists realtors and their associated properties The app comes with some fixture data but since our goal is to build an sfdx plugin that creates a set of randomized fixture data for this application we can get rid of these files To do so delete the following files from your newly cloned repository data brokers data jsondata properties data jsonYou should also remove their references from the data sample data plan json file a diff of that would look like this a data sample data plan json b data sample data plan json sobject Broker c saveRefs true files brokers data json sobject Property c resolveRefs true files properties data json Next let s see what the app actually looks like Run the install script which comes with the repositoryーeither bin install scratch sh or bin install scratch bat depending on your operating systemーto push the complete Lightning app to your Salesforce org This opens a browser window and takes you to your Salesforce instance Click on the App Launcher icon in the upper left corner it s the row of dots and select the Dreamhouse app You should see a Quarterly Performance chart without any data You can also click on the Properties menu and note that there are zero items available This is all to be expected Our Salesforce CLI plugin will create the fictional properties which our app will use Creating the pluginIn a new folder outside of the dreamhouse lwc project run this command sfdx plugins generate fixture data demoThis will scaffold a new plugin in a directory called fixture data demo You ll be asked a series of questions but you can just keep hitting Enter to accept all of the defaults After npm finishes installing all of the dependencies we can test whether or not the plugin was set up correctly Run bin run hello org u USERNAME where USERNAMEis your Salesforce user name You should see a greeting in response One of the nice things about extending the Salesforce CLI is that many of the difficult choices around working with command flags or arguments are vastly simplified for you There s even a test runner that requires very little configuration on your part Let s start building out our plugin to see these features in action You might have noticed two interesting things about the command we used to run to get our earlier greeting We used bin run to execute our hello org command bin run executes sfdx while loading a local copy of your plugin That is the plugin you are developing can only be used in this directory it s not available outside of this scope just yet All sfdx commands are preceded by a namespace to avoid conflicts with other plugins In this case that namespace is hello Navigate to the src commands directory in your recently scaffolded project and you ll see a directory called hello with a single file org ts Let s suppose we want our plugin to run as sfdx fixtures generate In that case rename the hello folder to fixtures and the org ts file to generate ts You can delete all of the code that is in the newly renamed generate ts In the next part of this guide we ll provide code blocks that you should paste into the file instead As we progress we ll describe what our code does so that you can follow along First let s set up our import statements import as os from os import promises as fsPromises from fs import as path from path import flags SfdxCommand from salesforce command import Messages from salesforce core import AnyJson from salesforce ts types import as mkdirp from mkdirp import as Chance from chance The first set represents core Node modules that we ll need to use in our CLI plugin The second set represents core modules required by sfdx Finally the third set represents third party npm packages that our plugin needs to function Let s not forget to add those module dependencies to our project npm install mkdirp chance saveMoving on paste these lines after the import statements Initialize Messages with the current plugin directoryMessages importMessagesDirectory dirname Load the specific messages for this file Messages from salesforce command salesforce core or any library that is using the messages framework can also be loaded this way const messages Messages loadMessages fixture data demo generate We ll get to the use of this messages variable shortly For now keep it in mind and continue pasting these code blocks export default class Generate extends SfdxCommand public static description messages getMessage commandDescription public static examples messages getMessage examples split os EOL protected static flagsConfig flag with a value n name VALUE count flags integer char c description messages getMessage numberFlagDescription default Okay now we re getting to some good stuff Our generate command is mapped to a class called Generate which extends the SfdxCommand class Because of this inheritance a lot of functionality is provided for us by sfdx We set up some variables for a command description and for examplesーsince this deals with messages we ll elaborate on this part shortly More importantly we are setting up a flag called count which has a shortcode of n That means that we can call our command with a count or c flag in order to provide some additional configuration In this case if no countis provided the default value will be Next we ll get to the fixture data generation const chance new Chance const brokerData records const propertyData records for let i i lt number i const brokerName chance name brokerData records push attributes type Broker c referenceId brokerName replace s g Ref name brokerName Title c Senior Broker Phone c chance phone Mobile Phone c chance phone Email c chance email Picture c https chance avatar const address chance address propertyData records push attributes type Property c referenceId address replace s g Ref Name chance sentence words Address c address City c chance city State c chance state Zip c chance zip Price c chance floating fixed min max Beds c chance natural min max Baths c chance natural min max Location Longitude s chance longitude Location Latitude s chance latitude Picture c chance natural min max jpg Thumbnail c chance natural min max sq jpg Tags c victorian Description c chance sentence words await mkdirp data await fsPromises writeFile path join data brokers data json JSON stringify brokerData null await fsPromises writeFile path join data properties data json JSON stringify propertyData null return All done Check the data directory This looks like a lot of code but don t worry Our Dreamhouse app has several custom objects Among those objects are Brokers and Properties We need to provide values for their individual attributes We create some variables to store this information as JSON brokerData and propertyData Then we loop through this as many times as matches our number value and we use our previously imported Chance package to generate random values for names phone numbers addresses and so on When that s finished we create a directory called data and write these fixtures out as JSON Okay as promised let s go back to that messages variable You should have a folder in your plugin called messages with a file called org json Rename this file to generate json and open it up Here is where all of the help strings are defined for your CLI command Replace the contents with the following JSON commandDescription generate a list of addresses and names countFlagDescription number of items to generate examples sfdx fixtures generate count In order to better understand what this JSON file does execute bin run fixtures generate help at the command line in our terminal You will see these strings displayed as help documentation That s the purpose of all the message code noted above mapping these strings to commands and flags for a better UX It s important to provide your users with some guidance on how to use your command Testing and ReleasingOf course no piece of software is complete without tests The Salesforce CLI comes with a testing library that makes it easier to build out this essential part of development Much like the source code our directory and file structure should match our command name Open up the test commands directory and rename hello to fixtures and org test ts to generate test ts Our entire test file will be rather small so we won t go into it line by line the way we did with the source code import expect test from salesforce command lib test import as path from path import promises as fsPromises from fs const dataPath path join dirname data describe fixtures org gt test stdout command fixtures generate it runs fixtures generate async ctx gt const brokersFilename path join dataPath brokers data json const propertiesFilename path join dataPath properties data json Fulfills with undefined upon success expect await fsPromises access brokersFilename to be equal undefined expect await fsPromises access propertiesFilename be equal undefined Here we re executing the command through the command fixtures generate method call Then we re using Node s access method to verify that our JSON files were created Go ahead and call npm test and you ll see your newly created test pass You might see some linting errors but you can ignore them Alternatively you can edit package json to remove the posttest scriptーthat s what runs the linter after your tests complete With our plugin code complete and tested it s time to see it in action Now you have a globally installed version of sfdx but a locally developed plugin We need a way to load the plugin into our global install Fortunately sfdx comes with a command to do just that sfdx plugins linkWhen you run this command in your plugin directory sfdx will load this local plugin so that you can test it out in your own Lightning app before distributing it If you discover that you need to make changes to the plugin after it s been linked just run ​​sfdx plugins uninstall PLUGIN NAMEto unlink it Now in the terminal navigate back to your previously cloned directory for the Dreamhouse app Once there type sfdx fixtures generate You should now have a data directory complete with several brand new JSON files filled with randomly generated data Let s go ahead and import these new changes into our org and then see the results sfdx force data tree import f data brokers data json data properties data jsonsfdx force org openJust like before navigate to the Dreamhouse app through the App Launcher However this time you ll notice actual records which represent the fixtures you just generated The Brokers tab for example is full of all the same records as the ones generated by the plugin Learning moreDeveloping Salesforce CLI plugins benefits both developers and users For developers much of the boilerplate of providing documentation argument handling and testing is taken care of Users can expect every custom plugin to behave in predictable ways and these plugins unlock powerful new capabilities they can use to make their Lightning app development just a little bit easier We ve only scratched the surface of what it means to work with Salesforce CLI There s a more in depth tutorial on the ins and outs of Salesforce development over on Trailhead I even found an entire category of amazing things you can do with sfdx In addition their documentation includes some best practices and performance suggestions Happy coding	2021-10-20 14:31:35
海外TECH	DEV Community	A righteous PR	https://dev.to/mtfoley/a-righteous-pr-3404	A righteous PRWhile on a co working session in the VirtualCoffee community the topic veered into converting a class based React component to a functional React component I had zero experience to add here but I mentioned that after a few months of learning about React in the Open Sauced I had finally gotten to write some code with useEffect and I felt like I knew why it worked Others on the call encouraged me to mention it in a blog so here we are The Open Sauced app helps you to organize your plans for open source contributions by tracking a list of goals The related issues for this PR dealt with adding and removing items in the list of goals and the UI not reflecting the changes made I had a handful of earlier PRs that were chipping away at the underlying problems and this was the one that was going to put a nail in it For reference here s the PR The first few lines of the React component were these function ListGoals goals data const goalsWithData merge goals nodes data const listGoals setGoals useState goalsWithData const searchTerm setSearchTerm useState The PR added these three lines useEffect gt setGoals merge goals nodes data goals data other stuff and render function that uses listGoals value The general issue we had was that the listGoals value is what really drives what s rendered but it s not directly influenced by changes in the goals and data props For this reason adding or removing goals would cause a change in the goals prop but the listGoals value wasn t being affected The useEffect call in the PR cleaned that up and I think the React FAQ talks about it here So the GIF above is in reference to this PR that closed two issues that were several months old They weren t old because they were stale in my opinion they were aging because there were several related things that needed to be cleaned up prior to getting to this point Altogether I call this a righteous PR As I mentioned there were several other issues and PRs related to this so I m going to be writing some posts that talk about that process unfolding Stay tuned	2021-10-20 14:21:43
海外TECH	DEV Community	Arquitetura Escalável	https://dev.to/pedrokiefer/arquitetura-escalavel-335g	Arquitetura EscalávelAtualmente todos falam em arquiteturas e software escaláveis it webscales mas vocêrealmente precisa de tudo isso no dia a dia Seu sistema recebe M req s para justificar complexidades e abstrações desnecessárias Provavelmente a resposta énão Então começe do básico garanta ótima qualidade desde o príncipio e se um dia for necessário atender M req s serámuito mais fácil refatorar o sistema Ah mas eu preciso fazer micro serviços porque todo mundo faz e isso escala Beleza faça micro serviços mas não faça femto serviços minha definição para um serviço que éabsurdamente pequeno femto é enquanto micro ésó Um serviço de processamento de fotos não precisa ser serviços diferentes com filas separadas Faça um serviço que englobe todo o processamento e escale esse serviço Fica mais fácil de manter dápara manter na cabeça todo o sistema o deploy fica mais simples Ah mas daíéum monólito não não é sóéum conjunto mínimo de funcionalidades reunidas em um local Se vocês tem muitos micro serviços para compor uma funcionalidade fica muito díficil coordernar uma atualização no payload usado entre os serviços Seráque todos vão entender a mensagem nova Seráque preciso atualizar tudo ao mesmo tempo Se isso for necessário agrupe tudo sob um sistema só CódigoAbstraia e crie interfaces somente do que faz sentido no momento não gaste tempo e energia criando uma arquitetura mega flexível que nunca seráusada Se o código estiver simples e bem testado fica simples refatorar para adicionar mais possibilidades Algumas linguagens em nome de arquiteturas enterprise algo para C level achar bacana eu acho acabam criando diversos padrões de projeto que geram sóníveis de indireção e abstrações que são pouco úteis para a entrega de valor ConfiguraçõesEvite juntar configurações do sistema com regras de negócio Por exemplo se vocêtem um sistema dinâmico para facilitar que outros times desenvolvam serviços em cima deixe em arquivos separados as configurações que fazem o sistema funcionar e as configurações que são do negócio O intuito aqui édiminuir os problemas em caso de uma configuração errada Se temos um arquivo sóe quebramos a configuração podemos tirar do ar todo o sistema Quando separamos podemos continuar servindo conteúdo stale atéarrumarmos a regra de negócio Pense sempre em dois planos controle e dados Versione todas as configurações do sistema exceto senhas e dados sensíveis junto com o código fonte Configurações são tão importantes quanto o código Evite alterar configurações manualmente crie pipelines de entrega adequados para fazer as mudanças necessárias a partir do repositório DependênciasEvite dependências externas especialmente as que vocêtem zero controle Se vocêprecisa usar serviços externos entenda do princípio que eles vão falhar e sua aplicação provavelmente não deveria falhar junto claro se for algo essencial da aplicação não dápara ficar sem Mas um sistema de métricas ou de logging não deveria tirar a aplicação do ar Nem um deploy em outro sistema deveria ter um impacto enorme na sua aplicação Use retentativas circuit breakers ou ainda service mesh para facilitar a gestão das dependências Se as aplicações estão muito acopladas então não hábenefícios de ter micro serviços e um grande monólito faria um trabalho muito melhor Pense em micro serviços como peças que possam ser trocadas quando necessário ーe talvez dêpara continuar voando sem elas ExemploPara exercitar as ideias apresentadas vamos criar um caso de uso real um sistema de vendas de ingressos para um cinema O sistema consiste em usuários podendo escolher qual filme querem assistir em qual dia e horário e todo o fluxo de compra e emissão do ingresso A arquitetura inicial éconforme a figura abaixo Essa arquitetura pode ser considerada um monólito Uma única aplicação éresponsável por todos os comportamentos do sistema a autenticação dos usuários que desejam comprar ingressos o sistema de pagamentos a gestão de quais filmes estão sendo exibidos em quais salas entre outras funcionalidades que desejarmos para um sistema como esse Vocêpode se perguntar se isso éum monólito como podemos afirmar que essa aplicação éescalável Ninguém especificou qual o volume de acessos quantas salas de cinema o sistema gerencia nem quantos filmes diferentes estarão disponíveis e onde eles estarão Do ponto de vista de escalabilidade da aplicação éperfeitamente aceitável começarmos com uma arquitetura dessas No entanto existe um pulo do gato para que o código não pareça um novelo de lãdepois de um encontro com unhas afiadas criarmos o sistema levando em conta os domínios necessários para seu funcionamento garantindo que eles são independentes entre si e se comunicam atráves de interfaces bem definidas Nessa figura mostramos os domínios existentes deixando claro o que estáagrupado em cada um deles autenticação filmes salas ingressos pagamentos Se a arquitetura começa com uma boa separação de conceitos fica fácil escalar E dependendo do contexto essa arquitetura éa única necessária Se formos pensar em uma cidade com poucos habitantes que possui um único cinema com salas que exibem apenas filmes temos quase certeza de que nunca teremos um volume de acessos maior do que esse sistema consegue aguentar No entanto vamos exercitar nosso raciocínio para o outro lado O sistema foi um sucesso revolucionou a gestão de ingressos na cidade A empresa obviamente quer estender o lucro e o sucesso obtido com o software Para tanto decidiu criar outro sistema para vender artigos relacionados a cinema De modo a facilitar o uso para os atuais usuários resolveram ter uma solução única de autenticação Como essa responsabilidade jáestava totalmente separada na estrutura do código bastou um refactor para tirar a gestão de usuários do sistema de ingressos e criar um sistema separado Agora esse sistema pode atender os fluxos de venda de ingressos e de souveniers Qualquer melhoria na gestão de usuários épropagada para todos os sistemas que o utilizam e também conseguimos escalar sóessa parte do sistema se precisarmos O sucesso foi estrondoso A empresa continuou faturando e logo em seguida surgiu uma grande oportunidade de negócio comprar outras salas na cidade vizinha Além disso em uma pesquisa de satisfação com os seus clientes a empresa viu que a grande dor de seus usuários era uma falta de lugares marcados nos ingressos O sistema atual não dava conta era preciso escalar melhor suas partes internas Como os domínios não mudaram basta uma reorganização e criação de novos subsistemas responsáveis por uma dada área A gestão de ingressos ganha seu próprio subsistema que escala independemente da gestão de salas e filmes Látambém temos toda a lógica necessária para gerir a escolha de assentos o tempo máximo de uma reserva etc Podemos ver como o sistema cresceu outra fontes de dados surgiram pequenas partes tornaram se escaláveis O sistema estápronto Provavelmente não sempre haveránovas oportunidades de negócio aumentar o alcance de cidades incorporar a gestão de teatros depende da evolução do negócio Mas tendo os domínios bem separados conseguimos escalar na medida certa para não gerar sistemas super complexos Internamente alguns domínios podem ainda se desdobrar em mais partes mas o ponto principal éconseguirmos ver a arquitetura como um todo Qualquer pessoa consegue manter um modelo mental conforme a última figura Ah mas esse exemplo étodo de backend não dápra aplicar em front Épossível sim basta imaginar que temos todo o código de front end como uma Single Page Application SPA Ter uma SPA éperfeitamente aceitável e permite o compartilhamento de componentes entre páginas poupando o retrabalho No entanto imagine que essa SPA faz o roteamento para todas as páginas e componentes da aplicação autenticação pagamentos visualização dos filmes disponíveis escolha de sala entre outras Àmedida em que a necessidade do sistema vai evoluindo o número de páginas componentes e comportamentos complexos vai crescendo O desempenho e agilidade da página ficam comprometidos a experiência édegradada para o usuário que fica esperando atéque todo o programa seja executado pelo navegador Podemos pensar em separar em partes a aplicação sócarregando o necessários conforme a necessidade Se o usuário nunca entrar na parte de pagamentos por que gastar tempo deixando ela disponível O mesmo conceito e ideia de micro serviços pode ser aplicado a micro frontends que entregarão pequenos comportamentos ou componentes que serão adicionados apenas quando estritamente necessário para a página melhorando o desempenho e a experiência do usuário Esses componentes podem ter a atenção devida de UXs e desenvolvedores dedicados que cuidarão e melhorarão a experiência o que faz com que todos ganhem usuários e empresa	2021-10-20 14:15:20
Apple	AppleInsider - Frontpage News	Apple is fully prepared for AirPods launch demand for the first time	https://appleinsider.com/articles/21/10/20/apple-is-fully-prepared-for-airpods-launch-demand-for-the-first-time?utm_medium=rss	Apple is fully prepared for AirPods launch demand for the first timeFor the first time Apple appears to have enough stock of the new AirPods at launch to sate demand in an incredibly challenging manufacturing shipping and delivery environment Apple s new AirPods Initial orders for the iPhone range saw ever increasing delivery times as Apple worked to keep up with demand It was unexpectedly the same with the new inch MacBook Pro and revised inch MacBook Pro Read more	2021-10-20 14:50:39
Apple	AppleInsider - Frontpage News	AT&T's best iPhone deals offer steep savings for new and existing customers	https://appleinsider.com/articles/21/10/20/atts-best-iphone-deals-offer-steep-savings-for-new-and-existing-customers?utm_medium=rss	AT amp T x s best iPhone deals offer steep savings for new and existing customersIf you fancy a smartphone upgrade you could save up to on the iPhone and iPhone Pro lineup when you trade in your used device Learn more about the online process that s both fast and easy to do It s the fall and with so many smartphones coming to market it is also the prime season for a new phone ahead of the holidays Now that everyone can take advantage of AT amp T s best deals on every iPhone on every unlimited plan this is a great time to upgrade or switch For a limited time AT amp T is offering up to off the iPhone and iPhone Pro family Switching or upgrading to get this great deal is easy to do Read more	2021-10-20 14:35:21
Apple	AppleInsider - Frontpage News	Best Deals Oct. 20: $900 off Samsung 75-inch QLED 4K TV, $60 off Samsung 2TB T5 Portable External SSD, and more!	https://appleinsider.com/articles/21/10/20/best-deals-oct-20-900-off-samsung-75-inch-qled-4k-tv-60-off-samsung-2tb-t5-portable-external-ssd-and-more?utm_medium=rss	Best Deals Oct off Samsung inch QLED K TV off Samsung TB T Portable External SSD and more Wednesday s best deals include off Samsung TB T Portable External SSD off Nintendo Switch Mario Kart Racing Wheel off Samsung inch QLED K TV and more Best Deals Wednesday October Shopping online for the best discounts and deals can be an annoying and challenging task So rather than sifting through miles of advertisements check out this list of sales we ve hand picked just for the AppleInsider audience Read more	2021-10-20 14:33:18
Apple	AppleInsider - Frontpage News	Compared: Google Pixel 6 vs iPhone 13 and iPhone 13 Pro	https://appleinsider.com/articles/21/10/20/compared-google-pixel-6-vs-iphone-13-and-iphone-13-pro?utm_medium=rss	Compared Google Pixel vs iPhone and iPhone ProGoogle launched its new Pixel lineup on Tuesday with its smartphone range now sporting its own Tensor processor Here s how the search giant s latest compares against Apple s iPhone and the iPhone Pro Credit AppleInsiderTuesday saw Google formally introduce the Pixel Teased at Google I O over the summer the new smartphone is set to be a departure for the company as instead of relying on a Snapdragon processor it s using something entirely new a Google designed chip Read more	2021-10-20 14:18:11
Apple	AppleInsider - Frontpage News	New Twelve South PowerPic Mod lets you customize your wireless charger	https://appleinsider.com/articles/21/10/20/new-twelve-south-powerpic-mod-lets-you-customize-your-wireless-charger?utm_medium=rss	New Twelve South PowerPic Mod lets you customize your wireless chargerTwelve South announced its latest wireless charger on Wednesday the PowerPic Mod This W wireless charger can hold a picture behind a pane of acrylic allowing you to customize it to your liking PowerPic ModPowerPic Mod is made from a slab of acrylic with a wireless charging system inlaid in the center It has three Qi coils that allow for charging in multiple positions as well as supporting multiple phones It can power an iPhone at up to W Android phones at up to W and even can charge up a set of AirPods Pro Read more	2021-10-20 14:01:40
Apple	AppleInsider - Frontpage News	Compared: Google Pixel 6 Pro versus Apple iPhone 13 Pro Max	https://appleinsider.com/articles/21/10/19/compared-google-pixel-6-pro-versus-apple-iphone-13-pro-max?utm_medium=rss	Compared Google Pixel Pro versus Apple iPhone Pro MaxGoogle has launched a new lineup of high end Pixel devices equipped with chips of its own design Here s how the highest tier model the Pixel Pro stacks up against Apple s iPhone Pro Max Credit AppleInsiderWhile the Google Pixel Pro comes in at a lower price point of the device packs some premium features that bring it into competition with Apple s iPhone Pro Max which retails for Here s what the two devices have in common and how they differ as far as features cameras performance and more Read more	2021-10-20 14:49:54
海外TECH	Engadget	Square Enix opens a new studio dedicated to mobile games	https://www.engadget.com/square-enix-london-mobile-game-studio-144143411.html?src=rss	Square Enix opens a new studio dedicated to mobile gamesSquare Enix is ramping up its mobile game efforts by opening a studio devoted to phone titles The publisher has launched a Square Enix London Mobile location that will focus on free to play games It s relying on both Square Enix s own brands as well as other big name licenses The first projects reflect that strategy The already announced Tomb Raider Reloaded is a top down puzzle solver coming to Android and iOS in A new as yet untitled game based on Avatar The Last Airbender is also in the works from Canada based Navigator games This won t be thrilling if you were hoping for more console and PC games but it s expected given the shifting gaming landscape While console and PC titles are still important the mobile market is huge Titles like Honor of Kingsdominate China and Square Enix itself has been interested enough to port full size games like Final Fantasy VIII Remastered to phones The London Mobile studio lets Square Enix tap into that burgeoning market without drawing resources away from its other development teams	2021-10-20 14:41:43
海外TECH	Engadget	Razer reveals new mics for pro and casual streamers	https://www.engadget.com/razer-seiren-v2-pro-x-microphone-streaming-142521356.html?src=rss	Razer reveals new mics for pro and casual streamersRazer has refreshed its lineup of microphones aimed at streamers with new versions of two Seiren models The Seiren V Pro and Seiren V X are both plug and play mics with a high pass filter to mitigate unwanted low frequencies and an analog gain limiter to tackle voice distortion The mics each have a gain dial and mute button as well as a headphone jack while the V Pro also has a volume dial They re both said to be fully customizable for mixing and sound profiles and there s integration with audio mixing software via Razer Synapse The V Pro is a dynamic microphone with Hz frequency response to pick up a full range of audio according to Razer The company says it s an improvement on its Elite offering and it delivers “rich and powerful vocals with “superior clarity and noise dampening Meanwhile the V X is a new version of the Seiren X which emerged in It s a mm condenser mic with a supercaridoid pickup pattern which Razer suggests bolsters the device s voice isolation capabilities The company is promising “crisp and natural vocals with the V X as well Razer recently introduced a webcam and capture card for streaming newbies and an entry level headset for console gamers However the latest mics are aimed at professional and casual streamers who might want to improve the sound quality of their streams The V Pro costs while the V X is Both are available now as is the Seiren Mini which Razer debuted a year ago	2021-10-20 14:25:21
海外TECH	Engadget	Samsung's Galaxy Z Flip 3 Bespoke Edition offers 49 possible color combinations	https://www.engadget.com/samsung-galaxy-z-flip-bespoke-edition-140040550.html?src=rss	Samsung x s Galaxy Z Flip Bespoke Edition offers possible color combinationsOn Wednesday Samsung held its last Unpacked presentation of the year The company headlined the event with the announcement of the Galaxy Z Flip Bespoke Edition a version of its clamshell foldable you can customize in a variety of colors Specifically you can choose between two frame tones black or silver and five front and back panel hues blue yellow pink white or black for a total of possible combinations Each Bespoke Edition Galaxy Z Flip also comes with matching wallpaper and cover screen If you ever want to update the look of your phone Samsung will offer an Upgrade Care service where you can send it in for a palette swap That should come in handy if you ever feel like you went overboard on your first design attempt and made something completely garish Outside of the additional customization options the Bespoke Edition Galaxy Z Flip is identical to the model Samsung released in August So expect the company s best foldable yet SamsungThe Galaxy Z Flip Bespoke Edition is available to order today from Samsung s website in the US Australia Canada France Germany Korea and UK It starts at and comes with months of Samsung Care protection As each device is made to order delivery times will vary Alongside the Bespoke Edition Galaxy Z Flip Samsung announced a software update for the Galaxy Watch Available to download today it comes with four new watch faces including one called Info Brick that you can customize to display the fitness and health stats you want to see most If you re a fan of the existing Animals watch face it s now possible to add up to four complications to the interface SamsungAs part of the My Photo watch face you can now choose to use a GIF instead of a still image In the same vein Samsung has redone the animations that are part of the step challenge to make them more playful There s now a cute bear there to encourage you to walk your steps The update also adds a new knock knock gesture you can assign to launch your favorite app or feature For instance you can bind the gesture to create a new reminder or open a list of workouts Lastly you can tweak the sensitivity of the fall detection feature to trigger even if you fall after standing still With the update Watch owners can also get a free day subscription to Strava SamsungRounding out the event Samsung announced two Maison Kitsunéspecial edition Galaxy Buds and Galaxy Watch models Set to cost and when they go on sale later today the devices come in a new “Moonrock Biege color and feature the usual design flourishes that the fashion house is known for SamsungThe watch comes with two straps One in the aforementioned Moonrock Beige color and the other in a tone called “Stardust Gray The leather case the earbuds come is made from that same color If you buy one of the wearables you ll get access to a playlist curated by the KitsunéMusique music label Both devices will be available in limited quantities in select markets across the world	2021-10-20 14:00:40
金融	RSS FILE - 日本証券業協会	全国上場会社のエクイティファイナンスの状況	https://www.jsda.or.jp/shiryoshitsu/toukei/finance/index.html	上場会社	2021-10-20 15:30:00
金融	RSS FILE - 日本証券業協会	個人投資家の証券投資に関する意識調査について	https://www.jsda.or.jp/shiryoshitsu/toukei/kojn_isiki.html	意識調査	2021-10-20 15:30:00
金融	RSS FILE - 日本証券業協会	株主コミュニティの統計情報・取扱状況	https://www.jsda.or.jp/shiryoshitsu/toukei/kabucommunity/index.html	株主コミュニティ	2021-10-20 15:30:00
金融	RSS FILE - 日本証券業協会	会長記者会見−２０２１年−	https://www.jsda.or.jp/about/kaiken/kaiken_2021.html	記者会見	2021-10-20 15:00:00
金融	ニュース - 保険市場TIMES	SOMPOひまわり生命、東京グリーンボンドに投資	https://www.hokende.com/news/blog/entry/2021/10/21/000000		2021-10-21 00:00:00
ニュース	BBC News - Home	Nikolas Cruz: Parkland gunman pleads guilty to murdering 17	https://www.bbc.co.uk/news/world-us-canada-58983965?at_medium=RSS&at_campaign=KARANGA	school	2021-10-20 14:28:53
ニュース	BBC News - Home	Climate plan urging plant-based diet shift deleted	https://www.bbc.co.uk/news/business-58981505?at_medium=RSS&at_campaign=KARANGA	deleteda	2021-10-20 14:07:04
ニュース	BBC News - Home	'I guess he wanted to make a change' - Joshua visits Tyson's former coach	https://www.bbc.co.uk/sport/boxing/58984413?at_medium=RSS&at_campaign=KARANGA	x I guess he wanted to make a change x Joshua visits Tyson x s former coachAnthony Joshua is touring the United States speaking to trainers as the heavyweight considers a change to his coaching set up	2021-10-20 14:02:17
ニュース	BBC News - Home	Wood & Rashid impress as England beat New Zealand in T20 warm-up	https://www.bbc.co.uk/sport/cricket/58980312?at_medium=RSS&at_campaign=KARANGA	world	2021-10-20 14:06:38
ニュース	BBC News - Home	MOTDx In The Making: Louie Barry's journey to 'boyhood club' Aston Villa via Barcelona	https://www.bbc.co.uk/sport/av/football/58975861?at_medium=RSS&at_campaign=KARANGA	MOTDx In The Making Louie Barry x s journey to x boyhood club x Aston Villa via BarcelonaLouie Barry takes MOTDx back to his roots as the year old striker talks through his journey from signing for Barcelona at to scoring on his Aston Villa debut	2021-10-20 14:22:51
京都	烏丸経済新聞	「空降る飴玉社」が和菓子店舞台の人間ドラマ　11月は東京で上演へ	http://karasuma.keizai.biz/headline/3636/	人間ドラマ	2021-10-20 23:27:12
北海道	北海道新聞	中国恒大、株式売却できず　資金繰り、一段と厳しく	https://www.hokkaido-np.co.jp/article/602390/	経営危機	2021-10-20 23:12:00
仮想通貨	BITPRESS（ビットプレス）	野村HD、Crypto Garageへの出資とデジタルアセットカストディ事業の共同展開に向けた基本合意書締結	https://bitpress.jp/count2/3_79_12837	cryptogarage	2021-10-20 23:41:09