投稿時間:2021-07-13 10:32:42 RSSフィード2021-07-13 10:00 分まとめ(38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
ROBOT	ロボスタ	価格とサイズがコンパクトなPOS セルフレジ「EZ レジ」サインポストが月額9,800円で非接触・非対面レジを秋に提供開始へ	https://robotstart.info/2021/07/13/signpost-ezregi.html	店舗運営	2021-07-13 00:45:22
IT	ITmedia 総合記事一覧	[ITmedia News] Googleドライブの「バックアップと同期」ユーザーは9月末終までに「パソコン版Googleドライブ」に移行する必要あり	https://www.itmedia.co.jp/news/articles/2107/13/news061.html	ITmediaNewsGoogleドライブの「バックアップと同期」ユーザーは月末終までに「パソコン版Googleドライブ」に移行する必要ありGoogleが「Googleドライブ」のファイル同期サービス「バックアップと同期」と「ドライブファイルストリーム」を統合し、「パソコン版Googleドライブ」とする。	2021-07-13 09:29:00
IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] 真面目に運営していても、「飲食店」だけが叩かれるシンプルな理由	https://www.itmedia.co.jp/business/articles/2107/13/news052.html	itmedia	2021-07-13 09:18:00
デザイン	コリス	スクロールに連動するアニメーションを実装する時は、JSのIntersection Observerを使用すると簡単に実装できる	https://coliss.com/articles/build-websites/operation/javascript/animate-on-scroll-using-intersectionobserver.html	続きを読む	2021-07-13 00:36:30
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	AttributeError: 'NoneType' object has no attribute 'items'	https://teratail.com/questions/349156?rss=all	AttributeErrorxNoneTypexobjecthasnoattributexitemsxこのプログラムはPythonで写真から位置情報を取得するものなのですが、なぜかエラーが出ます。	2021-07-13 09:53:32
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	（スプレッドシート）編集権限と閲覧権限を混在させたい	https://teratail.com/questions/349155?rss=all	googleworkspace	2021-07-13 09:45:43
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	kotlin android hilt	https://teratail.com/questions/349154?rss=all	kotlinandroidhilt前提・実現したいことToDoリストを作るためにhiltnbspとroomを使おうと思っているんですがビルドをしたときにエラーが出てしまいます。	2021-07-13 09:36:50
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	PIC18F25K42のAD変換結果異常について	https://teratail.com/questions/349153?rss=all	PICFKのAD変換結果異常についてPICFKのADCを使用したプログラムを作成していますが、変換結果が想定外となってしまいます。	2021-07-13 09:15:07
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	正規表現でurlを除こうとしているがexpected string or bytes-like objectとエラーが出てしまう	https://teratail.com/questions/349152?rss=all	正規表現でurlを除こうとしているがexpectedstringorbyteslikeobjectとエラーが出てしまう前提・実現したいことtweepyを使用してツイートを取得するプログラムを作成しています。	2021-07-13 09:04:22
AWS	AWSタグが付けられた新着投稿 - Qiita	CloudWatchログ監視	https://qiita.com/umaibou1126/items/cc3d043c40c8adea4a52	cloud	2021-07-13 09:23:57
Docker	dockerタグが付けられた新着投稿 - Qiita	win10 Hoem docker rails ローカルファイルの更新 反映されない	https://qiita.com/hrose_kei/items/0886673d36af69fc697b	winHoemdockerrailsローカルファイルの更新反映されないコードの修正後の反映設定configenvironmentsdevelopmentrbconfigfilewatcherActiveSupportFileUpdateCheckerconfigfilewatcher部分を上記に変更何かしらの理由で上記のファイルを変更できない場合Git管理をしているとローカルのみで管理対象外にしてもPullやcheckoutができないのでどうにかしたかったinitializersに下記のファイルを追加して管理対象外にしてみた。	2021-07-13 09:04:37
golang	Goタグが付けられた新着投稿 - Qiita	[Go] YAMLファイルを埋め込み構造体に読み込む	https://qiita.com/x-color/items/3512b01155c14834ed65	typeTruckstructWheelsintyamlwheelsTonsintyamltonsそのため、inlineタグを付けることによって埋め込み構造体にYAMLファイルを読み込むことができるようになる。	2021-07-13 09:45:53
Git	Gitタグが付けられた新着投稿 - Qiita	【エラー対処】(push容量オーバー) error failed to push some refs to pre-receive hook declined	https://qiita.com/kasumiin-eng/items/55d52c4347ff003a65ae	原因GitHub公式によるとGitHubblockspushesthatexceedMBGitHubにMB以上のファイルをアップロードできないそうです。	2021-07-13 09:05:49
Ruby	Railsタグが付けられた新着投稿 - Qiita	win10 Hoem docker rails ローカルファイルの更新 反映されない	https://qiita.com/hrose_kei/items/0886673d36af69fc697b	winHoemdockerrailsローカルファイルの更新反映されないコードの修正後の反映設定configenvironmentsdevelopmentrbconfigfilewatcherActiveSupportFileUpdateCheckerconfigfilewatcher部分を上記に変更何かしらの理由で上記のファイルを変更できない場合Git管理をしているとローカルのみで管理対象外にしてもPullやcheckoutができないのでどうにかしたかったinitializersに下記のファイルを追加して管理対象外にしてみた。	2021-07-13 09:04:37
海外TECH	DEV Community	Evolving From Dev to CEO w/ Stephen Magill	https://dev.to/linearb/evolving-from-dev-to-ceo-w-stephen-magill-8n3	Evolving From Dev to CEO w Stephen MagillThe most prolific companies of our time are run by former developers That s why on this week s episode of Dev Interrupted we bring in former developer turned CEO Stephen Magill of Muse dev to chat about what it takes to make the jump from developer to business leader Listen to the full episode Episode Highlights include Why more companies are being led by former developersThe pros and cons of having a technical vs communication backgroundWhat Stephen wishes he knew before taking on a leadership roleGreat advice for developers who aspire to become business leaders Join the Dev Interrupted Discord ServerWith over members the Dev Interrupted Discord Community is the best place for Engineering Leaders to engage in daily conversation No sales people allowed Join the community gt gt	2021-07-13 00:16:33
海外TECH	DEV Community	UNDERSTANDING CALLBACKS, PROMISES, GENERATORS AND ASYNC/AWAIT	https://dev.to/mcube25/understanding-callbacks-promises-generators-and-async-await-j1c	UNDERSTANDING CALLBACKS PROMISES GENERATORS AND ASYNC AWAITThere are few fields in JavaScript that provide an equal amount of possible solutions and tools to the handling of asynchronous code There is a reason for the existence of the vast amount of tools Handling asynchronous code in a readable and manageable way has always been challenging in JavaScript We are going to try to understand callbacks promises generators and async await so as to know when to use each tool and how they actually differ By default JavaScript is a synchronous language This means it executes one line of code at a time and hence the need for certain approaches and tools to handle asynchronous code Let us look at this approaches CALLBACKSCallbacks are the oldest and simplest way to deal with asynchronous code in JavaScript Callbacks are also known as higher order functions They functions passed into functions and they are executed at some point let us have a look at an example codelet x function console log i am called from inside a function let y function callback console log do something here callback y x In the above example we have a function x and another function y Function y has an argument called callback and it is being executed as a function callback within the function y as shown in the image belowWhen function y is executed it passes function x as an argument and it will execute inside function y as an argument and a callback Note that we are passing function x into function y as a function body We are not passing the result of function x We are passing the function body itself into another function and it would be executed at some point Let us run the code and see what happensWhen we run the code as in above the first line of code in function y console log do something here gets executed and the console prints the result After this the function x gets executed printing to the console too This is asynchronous behavior and a very simple way of executing callbacks The problem with callbacks is that when the application gets bigger we have to do a lot of nesting which can lead to what is called callback hell Error handling becomes difficult in this situation Hence JavaScript gave us a solution called promises introduced in ES PROMISEA promise in JavaScript is like a promise in real life The promise has two outcomes which are either the promise is resolved or the promise fails Let us look at the syntax for creating a promiseWe create a variable and set it to a new promiselet p new PromiseThis promise is an object and it takes a parameter which is a function This function takes two parameters which are a resolve and a reject let p new Promise resolve reject gt Then we need to create a definition of the function We need to define what the actual promise islet p new Promise resolve reject gt let x let x is what the promise does If it resolves to true we resolve the promiselet p new Promise resolve reject gt let x if x resolve done we can pass in anything we want if the promise does not resolve the promise rejectslet p new Promise resolve reject gt let x if x resolve done else reject error we can also pass anything we want The above code is always going to resolve because is always going to resolve If we change the code to be which will give us the code is going to reject because then x will not be equal to let us now look at how we interact with a promise Below the code block we can now sayp then This is our promise and everything inside the then is going to run for a resolve The then is going to take a single parameter and in our case it is going to bep then message gt We want to decide what we want to do with our message thus we can pass a message to resolve the promise p then message gt console log this is a message message To catch an error in a promise we need to add the catch method to the promise It will catch any error in our promise p then message gt console log this is a message message catch error gt console log error The promise is fulfilled from the above code This is exactly how a promise is used They are very similar to callbacks but they are a little bit cleaner way of doing callbacks Promises are really great when something is to be done in the background The error can also be caught if it fails and a message can be sent if it fails GENERATORSA generator is a function that can be paused This will allow the writing of code in an asynchronous fashion Let us go straight to the syntax After defining a function an asteryx is added to the function keywordfunction car values can now be yielded and stored into a variablefunction car const variable yield value Essentially once that value is resolved or returned from whatever computations performed it will be stored in a variable The yield keyword can be used multiple times function car const numb yield const numb yield const numb yield const numb yield and so on After defining the generator it needs to be setup to be actually used We do this by setting the function to a variableconst gen car The function has been set and it is ready to get all values from the generator To get the value from the generator we can use a series of methods likegen next gen next valuegen next donenext is an object The object contains a property called values which represents whatever value that is yielded from the generator Thenext doneis a Boolean that represents whether the generator has simply finished Let us take an example in codeconst getNumber function yield yield hello yield true yield name anna To use the above function we have created as a generator assign it to a variableconst numberGen getNumber If the code is is executed nothing really will happen because we invoked the functiongetNumber without traversing it line by line const numberGen getNumber console log numberGen next If the above code is executed we will get an object The object shows that line one of the generator and thatnext doneis false To get the whole value we can duplicate thenext function a couple of timesconst getNumber function yield yield hello yield true yield name anna const numberGen getNumber console log numberGen next console log numberGen next console log numberGen next console log numberGen next You should see that we have a few objects and at the bottom we get a value done true which means that our generator has finished traversing the function To get the actual value of our generator we simply append value to next methodconsole log numberGen next value and we get our values To generate a value when done simply add a return statement at the end of the functionconst getNumber function yield yield hello yield true yield name anna return i am done const numberGen getNumber console log numberGen next value console log numberGen next value console log numberGen next value console log numberGen next value console log numberGen next value Promises can be used along with generators It is an interesting feature We will leave that for another day ASYNC AWAITAsync await is JavaScript baking callbacks promises and generators into a single function Let us take a look at the async await syntaxasync function logName name console log name logName Anna we get a name Anna now remove the async keyword from the code function logName name console log name logName Anna We still get the same exact response We can see that when we have the async keyword appended to the function we can yield promises inside the function body using the await keyword The second thing is that the function returns a promise For exampleasync function logName name console log name logName Anna then res gt console log hello from me res As you can see we get a response which is a promise If we remove the async keyword from the function we most likely will get an error Using the async keyword let us go inside the function and create a new promiseasync function logName name console log name const tranformName new Promise function resolve reject setTimeout gt resolve name toUpperCase return name Now we can go ahead and use the promise The way that we use the promise is we can use the keyword called await async function logName name we can yield promises using await const transformName new Promise resolve reject gt setTimeout gt resolve name toUpperCase const result await transformName console log result it returns a promise console log name return result This will return the actual result after the setTimeout method runs So basically those are the two things you need to know when using the async await Whatever is returned from the function ends up being a promise	2021-07-13 00:05:45
海外科学	NYT > Science	More Data Needed for Decision on Booster Shots, U.S. Officials Tell Pfizer	https://www.nytimes.com/2021/07/12/us/politics/pfizer-booster-shots.html	More Data Needed for Decision on Booster Shots U S Officials Tell PfizerAfter meeting with company representatives officials said the decision would depend partly on data on infections in vaccinated people that cause serious disease or hospitalization	2021-07-13 00:37:12
海外科学	NYT > Science	F.D.A. Attaches Warning of Rare Nerve Syndrome to Johnson & Johnson Covid Vaccine	https://www.nytimes.com/2021/07/12/us/politics/fda-warning-johnson-johnson-vaccine-nerve-syndrome.html	F D A Attaches Warning of Rare Nerve Syndrome to Johnson amp Johnson Covid VaccineFederal regulators concluded that the risk of developing the syndrome was low and that the benefits of the vaccine still strongly outweigh it	2021-07-13 00:07:56
海外科学	NYT > Science	E.P.A. Approved Toxic Chemicals for Fracking a Decade Ago, New Files Show	https://www.nytimes.com/2021/07/12/climate/epa-pfas-fracking-forever-chemicals.html	E P A Approved Toxic Chemicals for Fracking a Decade Ago New Files ShowThe compounds can form PFAS also known as “forever chemicals which have been linked to cancer and birth defects The E P A approvals came despite the agency s own concerns about toxicity	2021-07-13 00:42:08
海外科学	NYT > Science	Citing the Delta Variant, Pfizer Will Pursue Booster Shots and a New Vaccine	https://www.nytimes.com/2021/07/08/health/pfizer-booster-delta-variant.html	Citing the Delta Variant Pfizer Will Pursue Booster Shots and a New VaccineScientists were critical of the announcement pointing to evidence that the current two dose regimen is powerfully effective against the coronavirus	2021-07-13 00:54:13
金融	日本銀行：RSS	営業毎旬報告（7月10日現在）	http://www.boj.or.jp/statistics/boj/other/acmai/release/2021/ac210710.htm	月日	2021-07-13 10:00:00
金融	ニュース - 保険市場TIMES	第一生命、「デジホ」の新商品、「所得保障保険」販売開始	https://www.hokende.com/news/blog/entry/2021/07/13/100000		2021-07-13 10:00:00
ニュース	BBC News - Home	Iraq: Hospital fire in Covid ward kills dozens	https://www.bbc.co.uk/news/world-middle-east-57814954	cylinder	2021-07-13 00:49:53
ニュース	BBC News - Home	In numbers: Life in Afghanistan after America leaves	https://www.bbc.co.uk/news/world-asia-57767067	afghanistan	2021-07-13 00:13:09
ニュース	BBC News - Home	US heatwave: Could US and Canada see the worst wildfires yet?	https://www.bbc.co.uk/news/57770728	annual	2021-07-13 00:08:26
ニュース	BBC News - Home	Plastic surgery booming in China despite the dangers	https://www.bbc.co.uk/news/world-asia-china-57691525	china	2021-07-13 00:14:46
ニュース	BBC News - Home	The myth of India's population explosion	https://www.bbc.co.uk/news/world-asia-india-57801764	growth	2021-07-13 00:15:20
ビジネス	ダイヤモンド・オンライン - 新着記事	ブロードコム、データ分析ソフトのSAS買収で協議＝関係者 - WSJ発	https://diamond.jp/articles/-/276673	関係者	2021-07-13 09:09:00
ビジネス	ダイヤモンド・オンライン - 新着記事	マイクロソフト、サイバー防衛企業リスクIQの買収で合意 - WSJ発	https://diamond.jp/articles/-/276674	防衛	2021-07-13 09:02:00
北海道	北海道新聞	利尻島のアマガエル　情報提供を　早大・風間准教授が調査　２５年前に最後の目撃	https://www.hokkaido-np.co.jp/article/566161/	人間科学部	2021-07-13 09:11:40
北海道	北海道新聞	「日本一険しい」せたな・太田神社人気　参道に絶壁、古いつり橋…　「注意して参拝を」	https://www.hokkaido-np.co.jp/article/566162/	太田神社	2021-07-13 09:10:59
北海道	北海道新聞	タンチョウ　羽幌に２年ぶり飛来	https://www.hokkaido-np.co.jp/article/566174/	特別天然記念物	2021-07-13 09:09:54
北海道	北海道新聞	３年越しの夢タンクに詰め　原料オール江別のビール造り着々	https://www.hokkaido-np.co.jp/article/566233/	地ビール	2021-07-13 09:08:47
北海道	北海道新聞	サバイバルゲーム場オープン　なよろ観光協　８月末まで　スキー場周辺　夏も活性化	https://www.hokkaido-np.co.jp/article/566266/	観光	2021-07-13 09:07:35
北海道	北海道新聞	大谷、日本選手初本塁打Ｖ目指す　８人の争い、賞金１億円超	https://www.hokkaido-np.co.jp/article/566358/	本塁打競争	2021-07-13 09:01:43
北海道	北海道新聞	米英五輪スタッフ４人逮捕　コカイン使用疑い	https://www.hokkaido-np.co.jp/article/566367/	麻薬	2021-07-13 09:02:00
北海道	北海道新聞	熱海、被害調査ドローン活用検討　罹災証明発行で	https://www.hokkaido-np.co.jp/article/566366/	罹災証明	2021-07-13 09:01:00
ビジネス	東洋経済オンライン	人生｢何でも成功する人｣､最強コミュ術はただ1つ ｢一石三鳥｣の凄い効果！｢超簡単な秘訣｣は？ | リーダーシップ・教養・資格・スキル | 東洋経済オンライン	https://toyokeizai.net/articles/-/440075?utm_source=rss&utm_medium=http&utm_campaign=link_back	上場企業	2021-07-13 09:30:00