投稿時間:2021-05-28 00:25:51 RSSフィード2021-05-28 00:00 分まとめ(29件)

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python	Pythonタグが付けられた新着投稿 - Qiita	【機械学習入門/Kaggle入門】タイタニックの号での生死をロジスティック回帰で分類してみよう	https://qiita.com/kwi0303/items/8c5d092bb89a5994fe61	例えば、Survivedの平均値がですので、半分以上が死んでいるということですね…モデルの作成ロジスティック回帰モデル変数のみを用いた生死の判別まずは変数のみを利用してロジスティック回帰モデルを学習させてみましょう。	2021-05-27 23:30:39
python	Pythonタグが付けられた新着投稿 - Qiita	[cx_Oracle入門](第20回) cx_Oracle8.2 リリース	https://qiita.com/nakaie/items/77ec581bb03c1be2830b	なお、このパラメータは、cxOracleconnectにも追加されています。	2021-05-27 23:21:51
python	Pythonタグが付けられた新着投稿 - Qiita	アルゴリズム辞典：ソート by Python	https://qiita.com/zuid/items/0460e251e04084118c4e	アルゴリズム辞典ソートbyPythonソートのアルゴリズムについては、名前は色々知っているのですが、書こうと思って空で書けるのは挿入ソートくらいだったりします。	2021-05-27 23:17:38
python	Pythonタグが付けられた新着投稿 - Qiita	pytestのtest IDにパラメータ由来の日本語を使う方法	https://qiita.com/gimKondo/items/d7a874a97af1ad93052a	pytestのtestIDにパラメータ由来の日本語を使う方法TLDRpytestのtestIDにパラメータ由来の日本語を真っ当に表示するためにはpytestiniでdisabletestidescapingandforfeitallrightstocommunitysupportをTrueに設定する必要があるこれを設定するとidsを指定すればきちんと表示されるようになるが、個別のidを設定すると表示が崩れる何がしたかったかパラメタライズドテストでパラメータごとに分かりやすい名前を日本語で付けたかった。	2021-05-27 23:09:03
js	JavaScriptタグが付けられた新着投稿 - Qiita	Dogelog Q&A: Can I run it on an iPad?	https://qiita.com/j4n_bur53/items/3f55f6c1f45745bb7fa0	Dogelog Q amp A Can I run it on an iPad To help understand Dogelog we made a little Q amp A Here are the results What is a Cross Compiler Q What does it mean that Dogelog was produced by a cross compiler A Dogelog is not enteirely written in JavaScript a great part was written in Prolog and then cross compiled into JavaScript Q Can Dogelog be run without Android A Yes since the result after cross compilation was entirely JavaScript you can run it everywhere where you find JavaScript no Android required Q Can Dogelog be run without internet connection A Yes the compilation has only generated client code there is no server code so once the JavaScript is loaded you can run it without a connection Q Can Dogelog be run without a Browser A Yes its also possible to run Dogelog from within node js forexample which is headless Does it run on Smartphones Q Can Dogelog be run from within a smartphone A Yes if you find a capable JavaScript environment you can alsorun it on a small device as a smartphone Q Can a smartphone use be demonstrated A Yes we have updated the link sothat it does automatic zooming by adding these lines lt style gt body font family verdana sans serif font size vw line height em lt style gt Here is a screenshot even an offline use where theinternet connection was cut off after Dogelog was loaded Does it run on Tablets Q Can a tablet use be demonstrated A Yes the same link also works for tablets Strangely the same Chrome browser has better rendering on a Huawei tablet than on Smasung smartphone But this is an issue of HTML CSS and not of Dogelog Q For further questions about Dogelog where should I go A Documentation about Dogelog will soon be out tickets with bug reports or feature requests can be opened on GitHub at See also previous post Dogelog Runtime Prolog to the Moon	2021-05-27 23:51:04
js	JavaScriptタグが付けられた新着投稿 - Qiita	文末に丸括弧をつけるネットスラングをJavaScriptで使ってみる()	https://qiita.com/Kynako/items/0f51c8e1068a9211e695	文末に丸括弧をつけるネットスラングをJavaScriptで使ってみるTwitter等のSNSでじゃんという、文末に丸括弧をつけるネットスラングを度々見かけるのでJavaScriptで再現してみました。	2021-05-27 23:10:31
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	【Rails API】本番環境にて画像置く場所のベスト アセットパイプライン / S3	https://teratail.com/questions/340744?rss=all	【RailsAPI】本番環境にて画像置く場所のベストアセットパイプラインSRailsで画像ファイルを扱う際、①nbsppublicnbspディレクトリ②nbspappassetsimagesnbspディレクトリ③nbsp外部ストレージサービスSどれかに置くと思います。	2021-05-27 23:55:38
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	[Windows]OPENCVのビルドエラー	https://teratail.com/questions/340743?rss=all		2021-05-27 23:50:33
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	【python】argparseの位置引数を条件付きで必須にする方法	https://teratail.com/questions/340742?rss=all	【python】argparseの位置引数を条件付きで必須にする方法コマンドラインで引数を指定して実行してもらうスクリプトがあります。	2021-05-27 23:23:00
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	laravelで画像をアップロードしようとするとnginxの「413 Request Entity Too Large」のエラー	https://teratail.com/questions/340741?rss=all		2021-05-27 23:18:11
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	現在開発しているアプリについて意見が欲しいです	https://teratail.com/questions/340740?rss=all	現在開発しているアプリについて意見が欲しいです前提・実現したいこと今現在大富豪のような対戦型テーブルゲームを作成しています。	2021-05-27 23:15:16
Ruby	Rubyタグが付けられた新着投稿 - Qiita	２つのエラーでHerokuにデプロイできない（メモ）	https://qiita.com/tech_kento/items/dda0a64415188a8b372f	つのエラーでHerokuにデプロイできないメモ実際のエラーつ目remoteTheRubyversionyouaretryingtoinstalldoesnotexistonthisstackremoteremoteYouaretryingtoinstallrubyonherokuremoteremoteRubyrubyispresentonthefollowingstacksremoteremotecedarremoteherokuremoteherokuremoteremoteHerokurecommendsyouusethelatestsupportedRubyversionlistedhereremotesupportedruntimesremoteremoteFormoreinformationonsyntaxfordeclaringaRubyversionseeremoteエラー文詳細当初、使用していたStackが。	2021-05-27 23:44:38
Ruby	Rubyタグが付けられた新着投稿 - Qiita	rakeタスクを作る	https://qiita.com/yamaneko1018/items/1d857290beb57a817980	作成したファイルに、タスクとして行いたい処理を書く。	2021-05-27 23:29:19
golang	Goタグが付けられた新着投稿 - Qiita	Goの演習「Exercise: Loops and Functions」をやってみた	https://qiita.com/t1k2a/items/541c9b8f33b4759bbed1	お次はこちら引数の平方根に近づけるfuncSqrtxfloatfloatz回繰り返すことが要件となっているforiilti記載通りの計算式zzzxzcounticountString回目の結果resultzfmtPrintlncountcountStringresult実際の平方根と同じになれば抜けるifmathSqrtxzfmtPrintlnclearbreakreturnzzにすることで浮動小数点数にするzzzxzは問題文にある計算式counticountString回目の結果resultzfmtPrintlncountcountStringresult実際の平方根と同じになれば抜けるifmathSqrtxzfmtPrintlnclearbreakまずは結果を返してます。	2021-05-27 23:42:45
Ruby	Railsタグが付けられた新着投稿 - Qiita	２つのエラーでHerokuにデプロイできない（メモ）	https://qiita.com/tech_kento/items/dda0a64415188a8b372f	つのエラーでHerokuにデプロイできないメモ実際のエラーつ目remoteTheRubyversionyouaretryingtoinstalldoesnotexistonthisstackremoteremoteYouaretryingtoinstallrubyonherokuremoteremoteRubyrubyispresentonthefollowingstacksremoteremotecedarremoteherokuremoteherokuremoteremoteHerokurecommendsyouusethelatestsupportedRubyversionlistedhereremotesupportedruntimesremoteremoteFormoreinformationonsyntaxfordeclaringaRubyversionseeremoteエラー文詳細当初、使用していたStackが。	2021-05-27 23:44:38
Ruby	Railsタグが付けられた新着投稿 - Qiita	rakeタスクを作る	https://qiita.com/yamaneko1018/items/1d857290beb57a817980	作成したファイルに、タスクとして行いたい処理を書く。	2021-05-27 23:29:19
海外TECH	DEV Community	.NET Hot Reload First Look	https://dev.to/mbcrump/net-hot-reload-first-look-11jj	NET Hot Reload First LookHello everyone In today s video we ll take a look at NET Hot Reload which shipped in the latest Visual Studio preview In short you can modify your apps source code while the application is running without the need to manually pause or hit a breakpoint Just make a change and click the apply code changes button and the magic happens Note I m not on this team at MS I m just a dude playing around with new bits like everyone else Supporting Materials activetab pivot overviewtabVideo mins ConclusionFeel free to checkout my Twitch streams as we learn about security and app development or you can watch the condensed version of all of my streams by subscribing to my YouTube Stay connected with me on social platforms for daily software development news Twitter Twitch Instagram YouTube GitHub Website	2021-05-27 14:47:59
海外TECH	DEV Community	Python read and write files	https://dev.to/dailydevtips1/python-read-and-write-files-3k8a	Python read and write filesThere are many great use cases to read and write data to a local file It might be for crawling purposes price checks logs or whatnot Today I ll be exploring the basics of reading and writing data to a file in Python Read files in PythonThe first part of file interaction would be to read data from an existing file Let s create a basic txt file called text txt at the root of our project Hi thereHow cool of you to try and read meHope you have funTo read this file in Python we can use the open function built into Python After opening the file we can use the file read function to see what s in it file open test txt r print file read This will print the exact content of our file Write data to a file in PythonNow that we know how to read a file let s see how we can write data to that same file There are two options when we open a file for writing a Append data to the existing filew Write this option will overwrite any existing contentLet s first try the append option file open test txt a file write I m an extra line of content file close If we now check our file it shows Hi thereHow cool of you to try and read meHope you have funI m an extra line of contentNow let s use the write function and see what happens file open test txt w file write I have new content now file close Checking the file now shows us I have new content nowAs you can see the old content is gone now So choose wisely which of the two options you wish to use Thank you for reading and let s connect Thank you for reading my blog Feel free to subscribe to my email newsletter and connect on Facebook or Twitter	2021-05-27 14:10:46
海外TECH	DEV Community	State Management: How to tell a bad boolean from a good boolean	https://dev.to/mpocock1/state-management-how-to-tell-a-bad-boolean-from-a-good-boolean-260n	State Management How to tell a bad boolean from a good booleanTL DR Bad booleans do a bad job modelling state Good booleans are derived from well modelled state When you re managing state in your app it s easy to fall prey to bad booleans Bad booleans look like this let isLoading true let isComplete false let hasErrored false On the surface this looks like good code It appears as though you ve represented three separate states with proper boolean names In the model you ve pictured for your state only one of these states can be true at any one time In a fetch request you might model the state like this const makeFetch async gt isLoading true try await fetch users isComplete true catch e hasErrored true isLoading false Again this looks nice We re orchestrating our booleans as we move through the async request But there s a bug here What happens if we make the fetch it succeeds and we make the fetch again We ll end up with let isLoading true let isComplete true let hasErrored false Implicit statesYou probably hadn t considered this when you made your initial model You may have frontend components which are checking for isComplete true or isLoading true You might end up with a loading spinner and the previous data showing at the same time How is this possible Well you ve created some implicit states Let s imagine you considered states as ones you actually wanted to handle loading Loading the datacomplete Showing the dataerrored Erroring if the data doesn t turn upWell you ve actually allowed states That s for the first boolean times for the second times for the third This is what s known as boolean explosion I learned about this from Kyle Shevlin s egghead course Making states explicitHow do you get around this Instead of a system with possible values we need a system with three possible values We can do this in Typescript with an enum type Status loading complete errored let status Status loading We d implement this in a fetch like this const makeFetch async gt status loading try await fetch users status complete catch e status errored It s now impossible to be in the loading and complete state at once we ve fixed our bug We ve turned our bad booleans into a good enum Making good booleansBut not all booleans are bad Many popular libraries such as react query apollo and urql use booleans in their state An example implementation const result useQuery if result isLoading return lt div gt Loading lt div gt The reason these are good booleans is that their underlying mechanism is based on an enum Bad booleans represent state Good booleans are derived from state let status Status loading Derived from the status abovelet isLoading status loading You can safely use this isLoading to display your loading spinner happy in the knowledge that you ve removed all impossible states	2021-05-27 14:05:02
Apple	AppleInsider - Frontpage News	First Apple data center in China officially commences operations	https://appleinsider.com/articles/21/05/27/first-apple-data-center-in-china-officially-commences-operations?utm_medium=rss	First Apple data center in China officially commences operationsApple has officially started operations at its first domestic data center in China over three years after it started building the facility to store customer data within the country s borders Credit AppleThe data center located in the southwestern province of Guizhou commenced operations on Tuesday local authorities said The data center will be operated by Guizhou Cloud Big Data GCBD and used to store Chinese customer iCloud data domestically Read more	2021-05-27 14:51:08
海外TECH	Engadget	EA’s Ultimate Team raked in $3k per minute last year	https://www.engadget.com/ea-fifa-ultimate-team-net-revenue-2021-loot-boxes-143258804.html	ultimate	2021-05-27 14:32:58
金融	RSS FILE - 日本証券業協会	株券等貸借取引状況（週間）	https://www.jsda.or.jp/shiryoshitsu/toukei/kabu-taiw/index.html	貸借	2021-05-27 15:30:00
ニュース	BBC News - Home	Covid: Johnson and Hancock reject Cummings' criticism	https://www.bbc.co.uk/news/uk-politics-57262790	deaths	2021-05-27 14:15:53
ニュース	BBC News - Home	Wembley Park deaths: Met PCs 'sorry' for sisters' murder scene images	https://www.bbc.co.uk/news/uk-england-london-57260505	bibaa	2021-05-27 14:26:02
ニュース	BBC News - Home	Covid: Boris Johnson says England may need to wait to end restrictions	https://www.bbc.co.uk/news/uk-57269032	boris	2021-05-27 14:43:43
ニュース	BBC News - Home	Windrush compensation: £30m offered to victims so far, Home Office says	https://www.bbc.co.uk/news/uk-57271540	office	2021-05-27 14:34:15
サブカルネタ	ラーブロ	麺・食堂 林　竹小町が移転リニューアル	http://feedproxy.google.com/~r/rablo/~3/9uw3ZNkwlZE/single_feed.php	新潟市中央区	2021-05-27 15:18:39
北海道	北海道新聞	緊急事態下の朗報に複雑　世界遺産勧告の道内６遺跡　見学者増で急きょ「閉鎖」も	https://www.hokkaido-np.co.jp/article/548847/	世界遺産	2021-05-27 23:16:42
仮想通貨	BITPRESS（ビットプレス）	[日経] 仮想通貨に規制の包囲網　バブルの先に何残す	https://bitpress.jp/count2/3_9_12522	規制	2021-05-27 23:32:01