投稿時間:2021-09-05 18:30:49 RSSフィード2021-09-05 18:00 分まとめ(32件)

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TECH	Engadget Japanese	軍用無線機っぽい、ミリタリー感MAXなスピーカー「MUZEN Wild Mini」最高!	https://japanese.engadget.com/muzen-wild-mini-083059669.html	bluetooth	2021-09-05 08:30:59
python	Pythonタグが付けられた新着投稿 - Qiita	ABC217 A～E問題解説 python 灰色～茶色コーダー向け #AtCoder	https://qiita.com/sano192/items/054c4298f855a1a4c547	クエリを先読みしてカットする場所の情報をcutへ格納cutをソートcutとindex番号の変換表を作成座標圧縮クエリを読み直しcならxの座標を確認→FenwickTreeで該当のインデックス番号にを立てるを加算cなら二分探索Nibutanxxがどの要素の間にあるかleftirightiの間二分探索Nibutanlowleftiの区間和をFenwickTreeで計算→一番近いのインデックス番号区間和が以上となる最大の二分探索Nibutanhighrightiの区間和をFenwickTreeで計算→一番近いのインデックス番号区間和が以上となる最小の一番近いが立っているindex番号→cutの値へ変換右端左端をして答えを出力なお、pythonでは間に合わないのでpypyで提出します。	2021-09-05 17:12:05
js	JavaScriptタグが付けられた新着投稿 - Qiita	【デザインパターン】JavaScriptで学ぶBridge	https://qiita.com/suzuki0430/items/8fd6f42a90dda99604a0	まずは親クラスShapeとRendererを用意し、それぞれから形状に関するクラスと描画方法に関するクラスを派生継承します。	2021-09-05 17:23:36
js	JavaScriptタグが付けられた新着投稿 - Qiita	【初学者向け】JavaScriptの『forEach / for of / for in』のまとめ	https://qiita.com/yasu-hoshi/items/06c142e80eb51e449fa1	添字と混ざらないように奇数にしてます。	2021-09-05 17:14:14
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	[Swift]Swift側でもRailsのcurrent_userの値を保持した状態でログアウト処理を実行したい	https://teratail.com/questions/357886?rss=all	ログイン処理は正確に動きますが、ログアウト処理の部分が動きません。	2021-09-05 17:43:25
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	WordPressにて動作は問題ないがVScode上にエラーUndefined type 'WP_Query'.が表示される。	https://teratail.com/questions/357885?rss=all	発生している問題・エラーメッセージ開発環境下での動作は全く問題なく動作してるのですが、何故かVScode上にエラーメッセージが出ています。	2021-09-05 17:39:38
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	データベースから取得した日付と今日の日付を比較する方法	https://teratail.com/questions/357884?rss=all	データベースから取得した日付と今日の日付を比較する方法前提・実現したいことPHPで予約システムを作る勉強をしています。	2021-09-05 17:35:54
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	複数の画像を航空写真のように合成する方法	https://teratail.com/questions/357883?rss=all	複数の画像を航空写真のように合成する方法Pythonで物体の一部が写った異なる画像を何枚も用いてひとつの画像を生成したいと考えています。	2021-09-05 17:14:06
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	python for文内で複数の変数に同じ処理をする方法	https://teratail.com/questions/357882?rss=all		2021-09-05 17:12:23
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Trying to access array offset on value of type null	https://teratail.com/questions/357881?rss=all	Tryingtoaccessarrayoffsetonvalueoftypenull発生している問題DBから取得してきたデータをbladephpファイル内で表示しようとするとタイトル記載のエラーになります。	2021-09-05 17:10:42
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	SeqGANの実装にて、ValueError: `tape` is required when a `Tensor` loss is passed. の解決策	https://teratail.com/questions/357880?rss=all	SeqGANの実装にて、ValueErrortapeisrequiredwhenaTensorlossispassedの解決策前提・実現したいことSeqGANnbspwithnbspkeras上記のmainipynbに沿って進めていて、最後まで実行したいと思っています。	2021-09-05 17:08:10
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Message: element not interactableエラー	https://teratail.com/questions/357879?rss=all	MessageelementnotinteractableエラーPythonを学習してる初学者です。	2021-09-05 17:04:01
Ruby	Rubyタグが付けられた新着投稿 - Qiita	Express React Ruby Go	https://qiita.com/kurosawa_kuro/items/0d0935c03a22cbe358a8	install	2021-09-05 17:48:30
Ruby	Rubyタグが付けられた新着投稿 - Qiita	Mac で Ruby の環境が壊れてた	https://qiita.com/kino-ma/items/478295fba086777f8e60		2021-09-05 17:38:10
Linux	Ubuntuタグが付けられた新着投稿 - Qiita	Debian系のアンインストールコマンドについて(設定ファイルも含め完璧に消したい場合)	https://qiita.com/ToshihiroSawada/items/84c5df6ed99b9980b824	設定ファイルも一緒にアンインストールするコマンドaptpurgeltアンインストールしたい物gtyaptautoremoveyaptautocleany自分はこれで満足していた。	2021-09-05 17:35:07
AWS	AWSタグが付けられた新着投稿 - Qiita	AWS FSx for NetApp ONTAP GA になったので使ってみた	https://qiita.com/quryu/items/fc7793a6142582cb9f02	「ファイルシステムを作成」をクリックします。	2021-09-05 17:01:38
Docker	dockerタグが付けられた新着投稿 - Qiita	RaspberryPi4とDockerでグローバルアクセス可能な自前音楽ストリーミングサービスを作る【ざっくり解説】	https://qiita.com/issi030/items/fd7740a438c530170021	動作確認構築手順を全て実施後、例えばキャリアのモバイル通信を利用する状態Not自宅のWifi接続状態になっているスマホから、構築手順【】で作成した独自ドメインhttpsをつけることにWebブラウザでアクセスすると、自宅内からhttpのポートでアクセスするのと同様にEmbyのアプリページにアクセスし、音楽ストリーミングができるはずである。	2021-09-05 17:35:44
golang	Goタグが付けられた新着投稿 - Qiita	Express React Ruby Go	https://qiita.com/kurosawa_kuro/items/0d0935c03a22cbe358a8	install	2021-09-05 17:48:30
Git	Gitタグが付けられた新着投稿 - Qiita	[Git] 最近のブランチを探す	https://qiita.com/tamanobi/items/29f1946cb70837dc98c4	公式ドキュメントDocumentationgitbranchtxtsortltkeygt昇順降順の変更をつけるだけで変更できる。	2021-09-05 17:25:24
Git	Gitタグが付けられた新着投稿 - Qiita	SourceTreeとBacklogを利用してGit環境を構築してみた。[Windows][202109]	https://qiita.com/kamimura-gouki/items/1467b51cf546ab9c18ae	任意使ったことないけど、利用すると検索とか便利なのかもな機能GitFlow使ったことないので無視不明使ったことないリモートリモートリポジトリの表示なぜかbacklogはエラーで使えない任意リモートリポジトリをブラウザ表示できる機能ターミナル必須GitTerminal起動コマンドプロンプト的な玄人用の画面Explorer必須ローカルリポジトリフォルダ表示フォルダ表示自分のPC作業フォルダローカルリポジトリを見たい設定設定設定任意まんま設定画面が開く前提として「リポジトリ」とはなんだ「リモートリポジトリ」と「ローカルリポジトリ」がいまいち区別つかないって人はこちらをどうぞローカルリポジトリを開いてファイルを新規作成しコミットプッシュしようローカルリポジトリを開くリポジトリ内にファイルを新規作成コミットプッシュするHOW最後に、クローンできねーって人向けにおまけ経験上、うまくいかないのは大体「認証」が絡んでいる。	2021-09-05 17:24:10
Ruby	Railsタグが付けられた新着投稿 - Qiita	送信ボタンがdisabledのときにテキスト入力欄でEnterを押すと、フォームはどうなるか	https://qiita.com/kazutosato/items/886fc3d19e65c68d1824	結論送信ボタンがdisabledのときにはEnterを押してもフォームは送信されない、という決まりはHTMLの仕様HTMLLivingStandardにない以前はあった。	2021-09-05 17:51:48
海外TECH	DEV Community	OKEx clone script the best way to develop a website like OKEx	https://dev.to/radindev/okex-clone-script-the-best-way-to-develop-a-website-like-okex-194l	OKEx clone script the best way to develop a website like OKEx Okex clone scriptOkex clone script is a ready made cryptocurrency exchange website script that helps you to launch a trading website like okex The okex clone script describes software that has all the existing features present in the OKEx exchange platform Because clone script is ready made software by using it for developing a website you will get rid of many challenges that you may face while developing a crypto exchange software Using a clone script to develop a website will save plenty of time and energy Okex websiteBefore we start let s get to know the okex exchange platform Okex is a leading crypto exchange platform that provides exchange services all around the globe Okex was founded in currently Okex provides exchange services in more than countries around the world and about M users are trading on the platform OKEx offers online supports for its clients Okex exchange currently supports cryptocurrencies that are allowed to be exchanged on the OKEx platform okex has the grade A in cyber security rating OKEx cryptocurrency exchange website featuresLive list of the value of the assets that contain its last price change of the day the chart of the change Start your account and earn up to in crypto rewards Okex exchange gives rewards for users who are new to the platform and want to start their trading Synced app for android IOS MAC and windows Different payments method visa master cards top quality assets trading pairs for trading BTC against USDT Tips for creating a successful exchange website by cloning okex platform Gain the complete knowledge about the features of the okex platform Find the Strengths and weaknesses of the okex platform Try to add extra features to your exchange platform that you think will be interesting or useful for the user To understand what the traders really want Read the traders comment in related pages or social Medias to understand the users desire Also reading their feedback in different platform will help you to understand what they are complaining about or what the things are they don t like in exchange platforms and if this factor These actions will give you a clear view of what users want The next step is embedding their wanted feature in your platform and solve the factors or issues that the users don t like Check out other popular exchange websites and figure out what features do they have that attract traders to them and try to add them to your website Always be updated and add new features to your exchange platform Hire patient employees for your support team to treat and guide the users patiently in order to solve their problems Find reliable blockchain developer and cryptocurrency exchange platform Development company to purchase the premium clone script without security problems Make sure the exchange development company uses the latest technology for developing your website Some exchange websites are not available in some countries try to build an available website and offer exchange services in most of the countries Think of the ways to encourage the users to use your platform for trading Like some exchange platforms you can add the rewarding system to your exchange platform For example reward them with some altcoins for registration or after the first transaction give them some extra bitcoins for free and other ways to attract them to your exchange platform Use the educational part of the website to gain more users especially new users by teaching them the helping them to learn trading subjects Okex Quik summary OKEx AccountsFunding Account A funding account is for users to deposit and withdraw their assets safely and instantly A funding account is used to store save and transfer digital assets to another crypto wallet Trading account The first step to start trading is to transfer the crypto from the funding account to one of the following accounts CC SPOT margin future p swap or options account for users to deposit and withdraw their assets safely and instantly A funding account is used to store save and transfer digital assets to another crypto wallet Saving account Saving account is an account where you collect the revenue of savings With the help of saving account okex users can make good use of their coins Mining accountMining account is used to save the revenue of the mining process in the OKEx pool Spot accountUsers can trade fiat currencies with crypto currencies according to the exchange rate of the system in spot account Margin account The name of this account describes its usability Margin account is used for margin trading Each margin trading links to one of the margin accounts Option accountThis account is used for options trading This trading it gives you the right to buy and sell a specific security An option is a contract linked to an underlying asset What is okex pool and how does it work OKEx pool miningOKEx pool allows cryptocurrency miners to gain cryptocurrency rewards by the process of mining in the pool The OKEX s pool merges the trading services with the mining process It sends the mining rewards directly to users mining account Okex mining pool has assets and provides daily revenue The okex mining pool is Safe and stable Open and flexible Global and reliable The pool has three methods for mining rewards complete pay for each share pay per N last share Pay per share pps pay per share PPS Steps for working with okex pool A log into your okex account B enter the okex pool C set up you aliasD manage your mining dashboard E establish your mining settingsF Choose your desired cryptocurrency to mine G Connect your mining machine to the okex pool The Features of Okex Clone Script Multilingual it supports more than crypto coins and tokens Crypto payment gateway API security Trading engine KYC AML verificationsMargin perpetual and futures trading with x leverageMulti cryptocurrency wallet integration Liquidity API Referral program Admin and user panelDecentralized trading Easy interface for beginners and advanced traders Fast and instant way to buy sell crypto Supports three payment methods credit debit card purchases and bank transfer paymentsSecure online offline wallet Supported mobile app for IOS and android to trade anytime and anywhere Referral and affiliate system that rewards you in case you add new users to the platform Based on the company that you choose to develop your exchange website extra features that you want to embed in your exchange website can be added Perpetual and futures trading Is Okex a safe platform Okex has several layers of security features to protect its client against fraud keep their funds safe and also prevent their information to leak Okex offers a high security wallet to its client Based on the research that has been done okex has not been involved in any exchange hack or even didn t face any major security issue So yes okex can be regarded as a safe exchange platform ComparisonLet s take a look at OKex competitors The okex offers different order types which consists of •Limit order•Advanced limit •Market order •Stop limit •TWAP•Iceberg Iceberg order seems like a unique feature for okex exchange These are advanced orders that are used as part of a crypto trading strategy to execute an order in potions at regular intervals of time as specified by users This order type can reduce the effect of the market on the basket order Last words If you have decided to develop your website with a clone script you better choose a reliable company with expert workers in the field of crypto exchanges that offer premium okex clone scripts Radin dev is one of the trustworthy companies that has proved itself by the successful website that it has developed	2021-09-05 08:39:13
海外TECH	DEV Community	React Hooks: useMemo	https://dev.to/afozbek/react-hooks-usememo-4n23	React Hooks useMemo ProblemIn the lifecycle of a component React re renders the component when an update is made When React checks for any changes in a component it may detect an unintended or unexpected change due to how JavaScript handles equality and shallow comparisons This change in the React application will cause it to re render unnecessarily If one part re renders it re renders the entire component tree MemoizationMemoization or memoisation is an optimization technique used primarily to speed up computer programs by storing the results of expensive function calls and returning the cached result when the same inputs occur again If we have a function compute  it will return  But if it uses memoization the next time we run  s through the function it won t add them up it will just remember the answer is  without executing the adding function SyntaxFrom the official React documentation syntax is looking like this const memoizedValue useMemo gt computeExpensiveValue a b a b useMemo takes in a function and an array of dependencies useMemo hook will run the expensive operation when one of the dependencies has been changed If no changes has been made it will return stored value ExampleHere is an example of useMemo in action const memoizedList useMemo gt return userList map user gt return user name someExpensiveOperation user name userList Use right hookIn addition to useMemo there is also useCallback and useEffect which can be used similar situationsThe useCallback hook is similar to useMemo but it returns a memoized function rather than memoized value If your dependencies array is not provided there is no possibility of memoization and it will compute a new value on every render So in this reason you can go ahead with useEffect useMemo returns gt memoized valueconst memoizedValue useMemo gt expensiveFunction a b a b useCallback returns gt memoized functionconst memoizedCallback useCallback gt doSomething a b a b LinksHooks API Reference ReactUnderstanding the React useMemo Hook DigitalOcean	2021-09-05 08:15:06
海外ニュース	Japan Times latest articles	Could Japan soon have a female leader? Sanae Takaichi emerges as a contender	https://www.japantimes.co.jp/news/2021/09/05/national/sanae-takaichi-ldp-contender/	Could Japan soon have a female leader Sanae Takaichi emerges as a contenderWith the reported backing of former PM Shinzo Abe the ex internal affairs and communications minister has a shot at becoming the nation s first female prime	2021-09-05 17:53:15
海外ニュース	Japan Times latest articles	COVID-19 tracker: Tokyo logs 1,853 new cases, down more than 1,200 from a week before	https://www.japantimes.co.jp/news/2021/09/05/national/japan-coronavirus-september-5/	beforethe	2021-09-05 17:27:57
ニュース	BBC News - Home	Montenegro clashes ahead of Orthodox Church leader's inauguration	https://www.bbc.co.uk/news/world-europe-58451372?at_medium=RSS&at_campaign=KARANGA	serbia	2021-09-05 08:41:15
ニュース	BBC News - Home	Which country has won most golds?	https://www.bbc.co.uk/sport/disability-sport/58267874?at_medium=RSS&at_campaign=KARANGA	britain	2021-09-05 08:19:33
北海道	北海道新聞	次の首相に、河野氏トップ３１％　石破氏２６％、岸田氏は１８％	https://www.hokkaido-np.co.jp/article/585984/	共同通信社	2021-09-05 17:02:55
北海道	北海道新聞	函館で２３人感染確認　新型コロナ	https://www.hokkaido-np.co.jp/article/585988/	管内	2021-09-05 17:12:00
北海道	北海道新聞	東京で新たに１８５３人感染　新型コロナ、１０人死亡	https://www.hokkaido-np.co.jp/article/585987/	新型コロナウイルス	2021-09-05 17:11:00
北海道	北海道新聞	さらに６人告訴へ、殺人容疑も　熱海土石流の損賠提訴、６０人に	https://www.hokkaido-np.co.jp/article/585986/	殺人容疑	2021-09-05 17:04:00
北海道	北海道新聞	ソ１２―４オ（５日）　リチャードが逆転満塁弾	https://www.hokkaido-np.co.jp/article/585985/	逆転	2021-09-05 17:01:00