投稿時間:2021-04-19 21:49:06 RSSフィード2021-04-19 21:00 分まとめ(55件)

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IT	MOONGIFT	OSX PushToTalk - キーボード操作で素早くマイクのオンオフ	http://feedproxy.google.com/~r/moongift/~3/p_reSN5GY20/	OSXPushToTalkキーボード操作で素早くマイクのオンオフリモート会議での失敗あるあるといえばミュートになっている、またはミュートになっていなかったというミスでしょう。	2021-04-19 21:00:00
python	Pythonタグが付けられた新着投稿 - Qiita	Djangoでよく使うコマンド操作一覧	https://qiita.com/STAR77/items/ffcf622e640dfd2f7a21		2021-04-19 20:54:05
python	Pythonタグが付けられた新着投稿 - Qiita	wsl環境構築について	https://qiita.com/magonotegaeru/items/617c21f9548f3f9ef81e	以下のコマンドをwsl上で実行する。	2021-04-19 20:40:32
python	Pythonタグが付けられた新着投稿 - Qiita	KerasによるMNISTの手書き文字の分類	https://qiita.com/STAR77/items/d27a1f328cff2415a5fe		2021-04-19 20:36:28
python	Pythonタグが付けられた新着投稿 - Qiita	【Python】すべてのシートの印刷設定を行う。	https://qiita.com/rihu-do/items/91313c5b572a9ffdfc3e	pagesetupfitToWidth属性、pagesetupfitToHeight属性を使用した場合はsheetpropertiespageSetUpPrfitToPage属性を「True」にしないと有効にならない。	2021-04-19 20:36:14
python	Pythonタグが付けられた新着投稿 - Qiita	スマホを使ってRaspberryPiのWifi設定を外部から変更する（ESP8266使用）	https://qiita.com/NaohiroIIDA/items/285f51fb39e99c589d1d	本来の目的アプリを自動起動にしておけば、次回からは再設定されたWifiに自動接続されて無事動作するという目論見です。	2021-04-19 20:27:58
python	Pythonタグが付けられた新着投稿 - Qiita	OpenCVを用いた画像処理の基礎【まとめ】Python	https://qiita.com/STAR77/items/0d2d4400ca34c0f3ff16	OpenCVを用いた画像処理の基礎【まとめ】Pythonopencvをimportして使えるようにするimportcvimportnumpyasnpfrommatplotlibimportpyplotasplt・Opencvによる画像の読み込みopencvによる画像の読み込みimgcvimreadapplepicuturejpg・OpenCVによって扱われる画像はnumpyアレーで高さ、横幅、カラーの順に格納されているimgcvimreadapplepicuturejpgimgshapegtgtgt・OpenCVによって扱われる画像はBGRの順番で画素値が格納されているimgcvimreadapplepicuturejpgimggtgtgtBlueGreenRedの順番・OpenCVによる画像の表示画像が表示されたらその画像をクリックしてどこかのキーボードを入力するとウィンドウが閉じます画像を表示するimgcvimreadapplepicuturejpgcvimshowimageimgキーボード入力を待つcvwaitKeyすべてウィンドウを閉じるcvdestroyAllWindows・OpenCVによる画像の保存今回はtestjpgという名前で同じ階層に画像を保存うまくいくとTrueと出力されるimgcvimreadapplepicuturejpgosをimportimportos画像の保存cvimwritetestjpgimggtgtgtTrue・OpenCVによるリサイズimgcvimreadapplepicuturejpgimgresizecvresizeimgimgresizeshapegtgtgt高さ横幅チャンネル数・OpenCVによるリサイズの引数についてcvresizeの引数は以下のようになっていますcvresizesrcdsizefxfyinterpolationfxfyは画像を何倍にするのかを表します例えば縦を倍、横幅を倍にするならば①のようになりますinterpolationはデフォルトでINTERLINEARになっていますが他にも・INTERNEAREST最近傍補間・INTERAREAピクセル領域の関係を利用したリサンプリング。	2021-04-19 20:00:30
js	JavaScriptタグが付けられた新着投稿 - Qiita	Angularコーディングスタイルガイド【個人的方法】	https://qiita.com/baby-degu/items/d50afffd8a9dca9d380e	例Bitdevで共有Reactコンポーネントを検索するHTML折り返しと順序Angularテンプレートには、通常のHTMLにかなりの数の構文が追加されていて、読みにくいことがあります。	2021-04-19 20:48:09
js	JavaScriptタグが付けられた新着投稿 - Qiita	復習　Javascript　きほんの　「き」　初心者 配列　for文　を添えて	https://qiita.com/Hoshi10Lighthouse/items/adfa8e69d142e2949180	最後はを比較してfalseになるので、そこでストップだからまでしかブラウザにでない。	2021-04-19 20:13:07
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	ある配列を連番ごとに区切りたい	https://teratail.com/questions/334100?rss=all	ある配列を連番ごとに区切りたいある配列を連番ごとに区切りたいconstarray上記のような配列があったとします。	2021-04-19 20:58:14
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	商品を複数購入しているユーザーの数を出せるSQLの書き方が分からない	https://teratail.com/questions/334099?rss=all	商品を複数購入しているユーザーの数を出せるSQLの書き方が分からないA、B、Cという商品があるとして、いずれかの商品を複数購入しているユーザーの数を出せるSQLの書き方が分からなかったのでお伺いしました。	2021-04-19 20:41:41
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	macにてサーバー起動後のターミナルにてctrl+cがコピペになってしまう	https://teratail.com/questions/334098?rss=all	macにてサーバー起動後のターミナルにてctrlcがコピペになってしまうmacbookにてreactにおいてyarnnbspstartの後にターミナルにて⌘Cを押すとコピペ判定になり実行を停止できません。	2021-04-19 20:38:04
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	HPの差分ゲージを作りたいです。	https://teratail.com/questions/334097?rss=all	directx	2021-04-19 20:32:06
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	railsのrake taskでdbの呼び出し方	https://teratail.com/questions/334096?rss=all	railsのraketaskでdbの呼び出し方前提・実現したいことここに質問の内容を詳しく書いてください。	2021-04-19 20:21:04
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	HTMLのpattern属性で^と$を使う意味は？	https://teratail.com/questions/334095?rss=all	HTMLのpattern属性でとを使う意味はHTMLでは、inputなど一部のフォーム要素について、入力内容を正規表現で検証できるpattern属性を指定できます。	2021-04-19 20:06:13
Ruby	Rubyタグが付けられた新着投稿 - Qiita	cloud9のrails周りの環境構築メモ	https://qiita.com/d0ne1s/items/fec6ce3ebb10f090ae03	cloudのrails周りの環境構築メモYarnRailsをインストールするのに必要npminstallgyarnRubyデフォルトのバージョンだと、Herokuにデプロイできなかったりする。	2021-04-19 20:42:14
Ruby	Rubyタグが付けられた新着投稿 - Qiita	sketchupでruby その6	https://qiita.com/ohisama@github/items/e55f938f0f687d462c4c	sketchupでrubyその概要sketchupでrubyやってみた。	2021-04-19 20:37:26
Ruby	Rubyタグが付けられた新着投稿 - Qiita	よく使用するコマンドまとめ	https://qiita.com/takumi73/items/62b9c6bb671938d6597e	Gitファイル変更確認gitstatusステージングgitaddgitaddファイル名で全てステージングするファイル名で変更ファイルのみステージングするコミットgitcommitmメッセージプッシュgitpushoriginuブランチ名uを使用することで次回からgitpushでpush可能マージgitmerge変更したブランチ名リモートの変更を取り込むfetchgitfetchリモートの内容がローカルより進んでいる場合に使用する。	2021-04-19 20:06:13
AWS	AWSタグが付けられた新着投稿 - Qiita	AWS CLI 多要素認証を設定しなければならなくなったとき	https://qiita.com/quryu/items/ebad782a6816b1099db1	MFAデバイスを割り当てるIAMからユーザーを選択し、赤枠で囲った「管理」をクリックします。	2021-04-19 20:30:16
Git	Gitタグが付けられた新着投稿 - Qiita	よく使用するコマンドまとめ	https://qiita.com/takumi73/items/62b9c6bb671938d6597e	Gitファイル変更確認gitstatusステージングgitaddgitaddファイル名で全てステージングするファイル名で変更ファイルのみステージングするコミットgitcommitmメッセージプッシュgitpushoriginuブランチ名uを使用することで次回からgitpushでpush可能マージgitmerge変更したブランチ名リモートの変更を取り込むfetchgitfetchリモートの内容がローカルより進んでいる場合に使用する。	2021-04-19 20:06:13
Ruby	Railsタグが付けられた新着投稿 - Qiita	cloud9のrails周りの環境構築メモ	https://qiita.com/d0ne1s/items/fec6ce3ebb10f090ae03	cloudのrails周りの環境構築メモYarnRailsをインストールするのに必要npminstallgyarnRubyデフォルトのバージョンだと、Herokuにデプロイできなかったりする。	2021-04-19 20:42:14
Ruby	Railsタグが付けられた新着投稿 - Qiita	よく使用するコマンドまとめ	https://qiita.com/takumi73/items/62b9c6bb671938d6597e	Gitファイル変更確認gitstatusステージングgitaddgitaddファイル名で全てステージングするファイル名で変更ファイルのみステージングするコミットgitcommitmメッセージプッシュgitpushoriginuブランチ名uを使用することで次回からgitpushでpush可能マージgitmerge変更したブランチ名リモートの変更を取り込むfetchgitfetchリモートの内容がローカルより進んでいる場合に使用する。	2021-04-19 20:06:13
海外TECH	Ars Technica	NASA has flown a helicopter on Mars, and it went brilliantly [Updated]	https://arstechnica.com/?p=1757687	ingenuity	2021-04-19 11:10:21
海外TECH	Ars Technica	Who will win the self-driving race? Here are eight possibilities	https://arstechnica.com/?p=1756966	possibilitiesthe	2021-04-19 11:00:55
海外TECH	DEV Community	Why “dark mode” is more energy-efficent: How to calculate image energy-cost	https://dev.to/madsstoumann/why-dark-mode-is-more-energy-efficent-how-to-calculate-image-energy-cost-45pp	Why “dark mode is more energy efficent How to calculate image energy costWhen I read Tom Greenfords execellent book Sustainable Web Design there was one fact that stuck with me in particular Running Google Maps in night mode reduced screen power draw by percent Why is that When you think about it it s quite simple Black is the most efficient color for OLED screens as the pixels are switched off and white is the most energy intensiveSo images use different amounts of energy depending on the intensity of the red green and blue lights in the pixel Tom goes on to show two examples of his website before and after an update Before After The latter use almost half the energy of the first one Unebelievable right So I sat out to create a small tool for calculating the energy intensity of an image Draw the image onto a lt canvas gt The lt canvas gt tag has a really useful method getImageData which will return a very large array of all the pixels in an image in chunks of red green blue and alpha const imgData ctx getImageData width height With this array we can iterate and return an array of percentages const len imgData data length let r g b a for let i i lt imgData data length i a imgData data i r imgData data i a g imgData data i a b imgData data i a r Math floor r len g Math floor g len b Math floor b len return r g b To get the average const avg Math ceil r g b The tool is on Codepen try uploading your own image to check the light energy intensity The initial image is a pure rgb color image with blue set to rgb That results in R G B Average But …It s Not So SimpleWhile this tool will give you a hint about the energy usage of an image it s much more complex than that The photon energy differs for different wavelengths with red being lowest and violet being highest A pixel contains approx photons so I assume it s possible to calculate the eV cost of an image in a particular resolution and then convert that number to Watt but it s beyond my skills ConclusionIt would be nice if a tool like Lighthouse could calculate the energy effectiveness of a website perhaps compared to a list of how much energy popular devices use when all pixels are either black or white This way you could test how much battery drain you could prevent by designing darker websites Thanks for reading	2021-04-19 11:42:37
海外TECH	DEV Community	How It’s Going	https://dev.to/ourtimefortech/how-it-s-going-20g	How It s GoingAnother week in Our Time for Tech has gone by In the past week we had a variety of discussions as regards the development process First we had to stop the use of the Devise Gem and the reason was that as we worked further on different features of the App it was seen with our Senior Engineers help that it is too complex to fit into the needs of our App This caused us to have another version of the App on the GitHub repo of which everything has been running smoothly so far This also taught me that “Just because something is popular doesn t mean that it s going to fix your current project AritAdditionally we decided to reduce our App s MVP by removing the worker slots feature which allows businesses to alert workers as regards their availability which is specific for upcoming shifts The removal of this feature was because working on this is far more complex for the time we have which is now less than weeks including QA Quality Assurance smoke testing and User feedback Furthermore I learned how important it is to document write down your progress in whatever you re learning as it helps you to communicate effectively what you ve done which is a vital skill for a developer We were also advised and told of the importance of keeping our PRs Pull Requests small due to its efficiency and how it makes reviews easier Everybody likes Small PRs while Long PRs are not liked as they are known to stay for a long time Currently we re all working on the UI styling of the App of which we are using SASS and Bootstrap which gives us readable code In advance I m excited about how the guide on using the MiniTests Library is going to look like As promised by Arit a collaboration is ongoing with her and Chris Oliver Of GoRails in creating the guide for the testing of the App I m also glad about how my team and I now of us have improved on collaborating communicating more effectively and growing together Some Noteworthy points I learned in the past week “It s great to be comfortable with uncertainty “Uncertainty is something that s part of a developer s life “Get comfortable with being uncomfortable “Assume best intentions when giving and receiving feedback I m looking forward to more learning and excited to see where we go from here Thanks for reading Follow along with DEV posts from my cohort Check out Our Time for Tech Photo by Ilya Pavlov on Unsplash	2021-04-19 11:24:11
Apple	AppleInsider - Frontpage News	Golden Reel Awards honors Apple TV+'s 'Greyhound' and 'Servant' sound editing	https://appleinsider.com/articles/21/04/19/golden-reel-awards-honors-apple-tvs-greyhound-and-servant-sound-editing?utm_medium=rss	Golden Reel Awards honors Apple TV x s x Greyhound x and x Servant x sound editingMore awards have been given to Apple TV shows with Servant and Greyhound winning at the th Golden Reel Awards for sound editing The Motion Picture Sound Editors Golden Reel Awards on Friday honors movies and TV shows for their audio work covering editing and sound design Among the winners at the virtual th awards were a pair of Apple TV titles The naval epic Greyhound won the Outstanding Achievement in Sound Editing Feature Effects Foley award reports The Hollywood Reporter The drama Servant also secured an award for Live Action Under specifically for the episode titled Read more	2021-04-19 11:11:40
Apple	AppleInsider - Frontpage News	Facebook staff can continue remote working, but may face pay cut	https://appleinsider.com/articles/21/04/19/facebook-staff-can-continue-remote-working-but-may-face-pay-cut?utm_medium=rss	Facebook staff can continue remote working but may face pay cutAs Apple Google and others plan getting workers back into offices after the coronavirus Facebook says that it will support staff continuing to work from home ーwith certain conditions FacebookApple CEO Tim Cook can t wait for employees to return to Apple Park Google expects workers to return though overseas ones can apply to continue Now Facebook says that it believes remote working is the future Read more	2021-04-19 11:06:16
Apple	AppleInsider - Frontpage News	Adobe co-founder Charles Geschke dies	https://appleinsider.com/articles/21/04/19/adobe-co-founder-charles-geschke-dies?utm_medium=rss	Adobe co founder Charles Geschke diesComputer scientist Charles Geschke has died aged He co founded Adobe which with Apple created the desktop publishing industry before famously falling out with Steve Jobs over Adobe Flash Apple s revolutionary LaserWriter was powered by PostScript co invented by Charles Geschke at AdobeAs Adobe continues moving its flagship apps like Photoshop to Apple Silicon its co founder Charles Geschke has died from cancer in his home in Los Altos California Geschke and John Warnock had worked together at Xerox in the very early s on what was effectively the earliest version of PostScript Read more	2021-04-19 11:07:17
海外TECH	Engadget	Fitbit trackers and smartwatches are at all-time low prices	https://www.engadget.com/fitbits-flagship-sense-smartwatch-is-at-an-all-time-low-on-amazon-115529724.html	cheapest	2021-04-19 11:55:29
海外TECH	Engadget	The Morning After: Amazon cancels its 'Lord of the Rings' MMORPG	https://www.engadget.com/the-morning-after-amazon-games-studio-lord-of-the-rings-mmorpg-113030599.html	The Morning After Amazon cancels its x Lord of the Rings x MMORPGToday s headlines New York caps the cost of broadband for low income families Amazon cancels its Lord of the Rings RPG and two die in Tesla crash with no one at the wheel	2021-04-19 11:30:30
海外TECH	Engadget	Manager of prominent Fin7 hacking group sentenced to 10 years in prison	https://www.engadget.com/manager-fin-7-hacking-group-sentenced-prison-110506681.html	Manager of prominent Fin hacking group sentenced to years in prisonThe manager of a hacking group known as Fin has been sentenced to years in prison for his role in an international cybercrime operation that targeted US banks and retailers	2021-04-19 11:05:06
ラズパイ	Raspberry Pi	Transform Raspberry Pi 400 into a hacker cyberdeck	https://www.raspberrypi.org/blog/transform-raspberry-pi-400-into-a-hacker-cyberdeck/	Transform Raspberry Pi into a hacker cyberdeckResisting the desolate consumerism of the suburbs is a serious business for hardware hacker Zack Freedman Zack transformed a Raspberry Pi into the Voidstar Data Blaster a portable cyberdeck to fight against becoming a normie Hang on what is a cyberdeck Zack explains A data blaster cyberdeck is the trademark battlestation of console cowboy The post Transform Raspberry Pi into a hacker cyberdeck appeared first on Raspberry Pi	2021-04-19 11:01:36
海外科学	NYT > Science	NASA Mars Helicopter Achieves First Flight on Red Planet	https://www.nytimes.com/2021/04/19/science/nasa-mars-helicopter.html	ingenuity	2021-04-19 11:20:52
海外TECH	WIRED	NASA Lands Ingenuity, the First Ever Mars Helicopter	https://www.wired.com/story/nasa-lands-ingenuity-the-first-ever-mars-helicopter	helicopterthe	2021-04-19 11:24:57
海外ニュース	Japan Times latest articles	NASA aims for historic helicopter flight on Mars	https://www.japantimes.co.jp/news/2021/04/19/world/science-health-world/mars-helicopter-flight-2/	NASA aims for historic helicopter flight on MarsNASA is hoping to make history early Monday when the Ingenuity Mars Helicopter attempts the first powered controlled flight on another planet The space agency had	2021-04-19 21:40:05
海外ニュース	Japan Times latest articles	As Pfizer talks fail to lift its markets, could Japan see vaccine envy?	https://www.japantimes.co.jp/news/2021/04/19/business/economy-business/japan-covid-19-pfizer-vaccines/	As Pfizer talks fail to lift its markets could Japan see vaccine envy The nation won praise during the pandemic for staying open while others locked down but is now struggling with its inoculation program	2021-04-19 21:23:32
海外ニュース	Japan Times latest articles	Japan exports grow by double digits for first time since 2018	https://www.japantimes.co.jp/news/2021/04/19/business/double-digit-export-growth/	november	2021-04-19 20:03:27
海外ニュース	Japan Times latest articles	Joe Gunkel wins fourth game as Tigers continue to roll	https://www.japantimes.co.jp/sports/2021/04/19/baseball/japanese-baseball/joe-gunkel-wins-fourth-game/	Joe Gunkel wins fourth game as Tigers continue to rollSecond year Hanshin Tigers import Joe Gunkel allowed a run over six innings to improve to as the Central League leading Hanshin Tigers held off the	2021-04-19 21:13:27
海外ニュース	Japan Times latest articles	Women say it’s time to focus on structural issues that perpetuate sexism in sports	https://www.japantimes.co.jp/sports/2021/04/19/more-sports/women-sexism-in-sports/	Women say it s time to focus on structural issues that perpetuate sexism in sportsFemale athletes call for reforms of outdated structures that hurt women s career prospects and present a challenge for young athletes unwilling to follow the footsteps	2021-04-19 21:00:47
海外ニュース	Japan Times latest articles	Top European clubs announce new Super League amid storm of criticism	https://www.japantimes.co.jp/sports/2021/04/19/soccer/euro-super-league/	Top European clubs announce new Super League amid storm of criticismThe move sets up a rival to UEFA s established Champions League competition and was condemned by soccer officials and political leaders	2021-04-19 20:40:16
ニュース	BBC News - Home	Harry Richford: East Kent NHS Trust pleads guilty over baby death	https://www.bbc.co.uk/news/uk-england-kent-56800977	campaign	2021-04-19 11:30:24
ニュース	BBC News - Home	Mourinho sacked by Tottenham after 17 months in charge	https://www.bbc.co.uk/sport/football/56799400	hotspur	2021-04-19 11:26:21
ニュース	BBC News - Home	Mortgage scheme launched for 5% deposits	https://www.bbc.co.uk/news/business-56777436	analysts	2021-04-19 11:35:37
ニュース	BBC News - Home	HSBC boss Noel Quinn scraps executive floor at London HQ	https://www.bbc.co.uk/news/business-56799720	reality	2021-04-19 11:27:52
ニュース	BBC News - Home	England's 'big six' agree to join new European Super League	https://www.bbc.co.uk/sport/football/56795811	England x s x big six x agree to join new European Super LeagueArsenal Chelsea Liverpool Manchester City Manchester United and Tottenham are among clubs who agree to join a new European Super League	2021-04-19 11:14:54
ニュース	BBC News - Home	Amateur jockey Brooke dies in hospital after fall at Taunton	https://www.bbc.co.uk/sport/horse-racing/56798062	taunton	2021-04-19 11:29:13
ニュース	BBC News - Home	'I want everyone to feel rugby is for them' - Monye to chair new RFU advisory group	https://www.bbc.co.uk/sport/rugby-union/56709956	x I want everyone to feel rugby is for them x Monye to chair new RFU advisory groupFormer England wing Ugo Monye hopes that as chair of a new RFU advisory group he can help everyone feel rugby is a game for them	2021-04-19 11:10:38
LifeHuck	ライフハッカー［日本版］	「こんまり®メソッド」を実践。ライフハッカー編集部の働き方はどう効率化できた？	https://www.lifehacker.jp/2021/04/231732kmj_digital_katazuke_vol4-before-after.html	連載	2021-04-19 21:00:00
GCP	Google Cloud Platform Japan 公式ブログ	Cloud Data Fusion による SAP との統合のご紹介	https://cloud.google.com/blog/ja/products/data-analytics/introducing-sap-integration-cloud-data-fusion/	SAPのバッチソースプラグインは、SAPシステムからデータを抽出する際に、SAPアプリケーションサーバーのリソースとCloudDataFusionのランタイムリソースの双方に基づいてデータパイプラインを自動的に調整し、パフォーマンスを最適化します。	2021-04-19 12:00:00
北海道	北海道新聞	万博など見据え新組織　りそな銀、関西大型案件に意欲	https://www.hokkaido-np.co.jp/article/534974/	関西	2021-04-19 20:13:00
北海道	北海道新聞	２１日午後から運行再開　運休中の然別―倶知安間　ＪＲ北海道	https://www.hokkaido-np.co.jp/article/534973/	銀山	2021-04-19 20:07:00
北海道	北海道新聞	朝乃山、かど番正代を圧倒　合同稽古開始、照ノ富士は欠席	https://www.hokkaido-np.co.jp/article/534898/	両国国技館	2021-04-19 20:01:45
北海道	北海道新聞	大阪府、２０日に緊急宣言要請決定　３度目発令を政府検討、兵庫同調	https://www.hokkaido-np.co.jp/article/534966/	要請	2021-04-19 20:06:50
GCP	Cloud Blog JA	Cloud Data Fusion による SAP との統合のご紹介	https://cloud.google.com/blog/ja/products/data-analytics/introducing-sap-integration-cloud-data-fusion/	SAPのバッチソースプラグインは、SAPシステムからデータを抽出する際に、SAPアプリケーションサーバーのリソースとCloudDataFusionのランタイムリソースの双方に基づいてデータパイプラインを自動的に調整し、パフォーマンスを最適化します。	2021-04-19 12:00:00