投稿時間:2021-07-10 17:31:06 RSSフィード2021-07-10 17:00 分まとめ(33件)

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IT	MOONGIFT	LinearMouse - マウスの加速する動作を取り除く	http://feedproxy.google.com/~r/moongift/~3/zQvK_ADPSfY/	LinearMouseマウスの加速する動作を取り除くOS側で便利だと思って追加した機能も、それまで使ってこなかった人にすると不便に感じるものがあります。	2021-07-10 17:00:00
js	JavaScriptタグが付けられた新着投稿 - Qiita	【Rails】JavaScriptによる攻撃について	https://qiita.com/oak1331/items/e3e79c24118216105cff	XSSとは、攻撃者が脆弱性のあるWebアプリケーション上に、悪意のあるJavaScriptのプログラムスクリプトを埋め込み、そのサイトの利用者を攻撃する手法です。	2021-07-10 16:10:07
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	phpmyadminにログインできません。	https://teratail.com/questions/348732?rss=all	phpmyadmin に ログイン でき ませ ん 。	2021-07-10 16:48:52
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	iBeaconのRSSIやAccuracyなどを取得できない	https://teratail.com/questions/348731?rss=all	iBeaconのRSSIやAccuracyなどを取得できない前提・実現したいことUnityの有料アセット「iBeacon」を利用して、Android端末でiBeaconの「RSSI」、「Range」、「StrengthTXPower」、「Accuracy距離」を取得したいと考えております。	2021-07-10 16:33:41
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	VBAを用いたワークシート間のRangeのコピー	https://teratail.com/questions/348730?rss=all	まとめ用ワークシートの表は縦軸が日、横軸が年とします。	2021-07-10 16:23:58
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	DataFrame内の値の代入の高速化	https://teratail.com/questions/348729?rss=all	DataFrame内の値の代入の高速化前回質問の続きのコードになります。	2021-07-10 16:22:11
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	CSSボタンがデベロッパーツール確認時には問題ないが、iphone実機確認時にはレイアウトが崩れてしまう	https://teratail.com/questions/348728?rss=all	作成したボタンをchromeのデペロッパーツールのiphoneXサイズで確認した際は問題がなく表示されるのですが、実機iphoneで見た際にはボタンの中の文字が意図しないところで改行されたり、ボタンの配置がズレてしまっています。	2021-07-10 16:20:45
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Rubyの変更用メソッドについて	https://teratail.com/questions/348727?rss=all		2021-07-10 16:19:23
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	解析エラー：構文エラー　ファイルの予期しない終了について	https://teratail.com/questions/348726?rss=all	解析エラー構文エラーファイルの予期しない終了についてサイトにアクセスするとParsenbsperrornbspsyntaxnbsperrornbspunexpectednbspendnbspofnbspfilenbspinnbsphomeuserslolipopjpdpwebwpwpcontentthemesfreecloudtplheaderphpnbsponnbsplinenbsp上記の内容が表示されエラーが出ています。	2021-07-10 16:19:11
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	MKLocalSearchCompleterを使っての表示	https://teratail.com/questions/348725?rss=all	MKLocalSearchCompleterを使っての表示表題の機能を使い、テーブルビューに検索結果を表示させようと思っております。	2021-07-10 16:17:19
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	rのテーブルデータのマトリックスへの変換方法	https://teratail.com/questions/348724?rss=all	rのテーブルデータのマトリックスへの変換方法質問はじめまして。	2021-07-10 16:16:24
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	ruby on railsでdeviseを使ってユーザー登録したいが入力したデータを送信するとエラーが出てしまう	https://teratail.com/questions/348723?rss=all	rubyonrailsでdeviseを使ってユーザー登録したいが入力したデータを送信するとエラーが出てしまう前提・実現したいこと大学の教科書販売サイトを作成していて、rubynbsponnbsprailsでdeviseを使ってユーザー登録をしたいのですが、各項目にデータを入力して送信すると以下のようなエラーが出てしまいテーブルにデータが保存されません。	2021-07-10 16:13:25
Program	[全てのタグ]の新着質問一覧｜teratail（テラテイル）	Googleスプレッドシートの指定セルをHTML表示する方法	https://teratail.com/questions/348722?rss=all	bbedbcpng	2021-07-10 16:00:48
AWS	AWSタグが付けられた新着投稿 - Qiita	【AWS】ECS構築の基礎 −CI/CD編 (CodeCommit/CodeBuild/CodePipeline)−	https://qiita.com/suzuki0430/items/06755312a7757b940e69	CodeCommitにリポジトリを作成し、ローカルにクローンを作成GitHubのコードをローカルにプルして、で作成したクローンにコードを追加コードをCodeCommitにプッシュ実装CodeCommitを開いてリポジトリを作成を選択すると以下の画面になります。	2021-07-10 16:21:23
Docker	dockerタグが付けられた新着投稿 - Qiita	【AWS】ECS構築の基礎 −CI/CD編 (CodeCommit/CodeBuild/CodePipeline)−	https://qiita.com/suzuki0430/items/06755312a7757b940e69	CodeCommitにリポジトリを作成し、ローカルにクローンを作成GitHubのコードをローカルにプルして、で作成したクローンにコードを追加コードをCodeCommitにプッシュ実装CodeCommitを開いてリポジトリを作成を選択すると以下の画面になります。	2021-07-10 16:21:23
golang	Goタグが付けられた新着投稿 - Qiita	Goによる競プロライブラリ~Union-Find木~	https://qiita.com/DaikiSuyama/items/dab3a70c3c104ca0ab01	Goによる競プロライブラリUnionFind木内容自身の記事である競プロのライブラリ整理UnionFind木のPythonコードを元に、GoによってUnionFind木を実装しました。	2021-07-10 16:48:43
Ruby	Railsタグが付けられた新着投稿 - Qiita	【Rails】JavaScriptによる攻撃について	https://qiita.com/oak1331/items/e3e79c24118216105cff	XSSとは、攻撃者が脆弱性のあるWebアプリケーション上に、悪意のあるJavaScriptのプログラムスクリプトを埋め込み、そのサイトの利用者を攻撃する手法です。	2021-07-10 16:10:07
海外TECH	DEV Community	Appwrite In Production: Backups and Restores	https://dev.to/appwrite/appwrite-in-production-backups-and-restores-4beg	Appwrite In Production Backups and RestoresBacking up and restoring data is an extremely important part of running servers It s a virtual safety net against most bad things that can happen Made a bad config change Restore a backup Messed up an update Restore a backup Corrupted Drives Restore a backup Not only that backups can also come in handy when migrating data to other systems for instance migrating a development server into a production environment or vice versa To make this entire process as easy as possible we ve written this simple and handy guide to explain everything you need to know about backing up and restoring your Appwrite instance Appwrite is broken down into multiple sections and most of Appwrite is stateless This means that Appwrite only actually has two main things you need to backup one is Appwrite s Database MariaDB and the other is the Docker volumes which store functions data and uploads The rest Appwrite can automatically handle and regenerate Please note that all these commands need to be run within the same directory as Appwrite s docker compose ymlWith all that said lets begin Backing up the MariaDB DatabaseDue to the fact that Appwrite uses a Docker image of MariaDB it is extremely easy to dump the entire database with just one command and likewise to restore the dump Creating a Database backup is just one command docker compose exec mariadb sh c exec mysqldump all databases add drop database u MYSQL USER p MYSQL ROOT PASSWORD gt dump sqlGoing into depth this command does a couple things Docker compose launches a temporary shell onto the MariaDB container to start workIt runs mysqldump on the server with two specific options all databases and add drop database these are important since they ensure that when the backup is restored old data doesn t get overlapped with new data The output of mysqldump is piped into a dump sql file This is your backup ️ ️Restoring the MariaDB DatabaseRestoring the database is similarly easy and also requires just one command to do so docker compose exec T mariadb sh c exec mysql uroot p MYSQL ROOT PASSWORD lt dump sqlThis command is very simple once you break it down Docker compose launches a temporary shell onto the MariaDB container to start workUsing the mysql command we restore the dump through a pipe Backing up your Docker VolumesAppwrite stores various things in Docker volumes This includes your file uploads and Cloud Function data and docker volumes makes it easy for us to coordinate data between the central Appwrite container and our various Appwrite workers Uploads are especially important to backup since they include all your app s file uploads these commands can take a while to run depending on how much data you have to backup Before running these commands is it highly recommended to shutdown your Appwrite instance to ensure you get a complete backup To backup the functions volume the command is mkdir p backup amp amp docker run rm volumes from docker compose ps q appwrite v PWD backup backup ubuntu bash c cd storage functions amp amp tar cvf backup functions tar and to backup the uploads volume the command is mkdir p backup amp amp docker run rm volumes from docker compose ps q appwrite v PWD backup backup ubuntu bash c cd storage uploads amp amp tar cvf backup uploads tar Both these commands do similar things and when you break them down they are pretty simple Start a new Docker container This Docker container has a few special options rm will delete the container once it s done running The reason we want this is because this container is only being used to package up our backup and give it to the host machine volume from This flag special as it will mount all of the volumes of the container we give it To get the container ID we want we use a docker compose ps q appwrite to get the ID within the command v This flag is being used to mount a volume onto our new container which will give us access to a backup folder we created using the mkdir command at the startubuntu is the image we are basing our new container onFinally with this command created we change directories into the normal Appwrite mount point for uploads and create a tarball which will be created in the backup directory where we will be able to access it Once these commands are run you should find a new backup folder which containsuploads tar and functions tar these are your backups Keep them safe Restoring your Docker VolumesRestoring your Appwrite volumes is fairly simple as well Move the backup folder you just created to your destination machine next to the docker compose yml file and simply run the following commands to restore the backup Please note that the Appwrite instance should be shutdown while running these commands Restoring functions volume docker run rm volumes from docker compose ps q appwrite v PWD backup restore ubuntu bash c cd storage functions amp amp tar xvf restore functions tar strip Restoring uploads volume docker run rm volumes from docker compose ps q appwrite v PWD backup restore ubuntu bash c cd storage uploads amp amp tar xvf restore uploads tar strip This command creates new temporary Docker container like the backup command but instead extracts the tar back into the functions and uploads endpoint which will restore the backup ️In ConclusionTo create a full Appwrite backup you will want to backup MariaDB and the two volumes specified here Once you have done that make sure to keep it safe the best backup will store the backup in multiple locations including locally and in multiple clouds As with any Cloud Native Application make sure that you backup your Appwrite instance regularly to ensure that you re never in a situation where you have to lose data due to a server failure This entire process can be easily done to help migrate an Appwrite installation easily by simply copying the backup files onto another server and running the restore steps We hope you enjoyed this article We love contributions and encourage you to take a look at our open isuses and ongoing RFCs If you get stuck anywhere feel free to reach out to us on our friendly support channels run by humans ‍Here are some handy links for more information Appwrite Contribution GuideAppwrite GithubAppwrite DocumentationThank you to Taylor Vick for the server image	2021-07-10 07:16:50
海外TECH	DEV Community	The Scope Chain in JavaScript	https://dev.to/rajat2502/the-scope-chain-in-javascript-596o	The Scope Chain in JavaScript Chapter The Scope ChainThese are the notes of third chapter of the book You Don t Know JS Scope and Closures The connections between scopes that are nested in the other scopes are called the scope chain The scope chain is directed meaning the lookup moves upward only Lookup Is Mostly ConceptualWe described runtime access to a variable as a lookup in the last chapter in which the JavaScript Engine first checks if the variable is present in the current scope before moving upward up the chain of nested scopes towards the global scope until the variable is found if at all The lookup stops as soon as the first matching named declaration in scope is found The scope of a variable is usually decided during the initial compilation process It will not change based on anything that can happen later during runtime Since the scope is known from compilation this information would likely be stored with each variable s entry in the AST which means that the Engine doesn t need to lookup up a bunch of scopes to figure out which scope a variable comes from Avoiding the need for lookup is a key optimization benefit of lexical scope Note Consider the following scenario we have numerous files and we are unable to locate the declaration of a specific variable in one of them It s not always an error if no declaration is found That variable could be declared in the shared global scope by another file program in the runtime So the ultimate determination of whether the variable was declared in some scope may need to be deferred to the runtime Let s understand this with the Marble and Buckets analogy that we discussed in the last chapter Any reference to a variable that s initially undeclared is left as an uncolored marble during that file s compilation this color cannot be determined until other relevant files have been compiled and the application runtime commences That deferred lookup will eventually resolve the color to whichever scope the variable is found in likely the global scope ShadowingIf all variables have different names it wouldn t matter if all of them were just declared in the global scope Having different lexical scopes starts to matter more when you have two or more variables each in different scopes with the same lexical names Let s consider an example var studentName Suzy function printStudent studentName studentName studentName toUpperCase console log studentName printStudent Frank FRANKprintStudent studentName SUZYconsole log studentName SuzyThe studentName declaration on line creates a new variable in the global scope All the three studentName references in the printStudent function refer to a different local scoped variable and not the global scoped studentName variable This behavior is called Shadowing So we can say that in the above example the local scoped variable shadows the globally scoped variable Note It s lexically impossible to reference the global studentName anywhere inside of the printStudent function or from any nested scopes Global Unshadowing TrickIt is possible to access a global variable from a scope where that variable has been shadowed but not through a typical lexical identifier reference In the global scope var and function declarations also expose themselves as properties of the same name as the identifier on the global objectーessentially an object representation of the global scope Consider the program var studentName Suzy function printStudent studentName console log studentName console log window studentName printStudent Frank Frank Suzy So as we can notice using window variableName we can still access the globally scoped shadowed variable in a function Note The window studentName is a mirror of the global studentName variable not a separate snapshot copy Changes to one are still seen from the other in either direction This trick only works for accessing a global scope variable and not a shadowed variable from a nested scope and even then only one that was declared with var or function Warning Just because you can doesn t mean you should Don t shadow a global variable that you need to access and conversely avoid using this trick to access a global variable that you ve shadowed Copying Is Not AccessingConsider the example var special function lookingFor special var another special special function keepLooking var special console log special console log another special Ooo tricky console log window special keepLooking lookingFor So we noticed that we were able to get the value of special variable passed as a parameter to the lookingFor function in the keepLooking function Does that mean we accessed a shadowed variable No special special is copying the value of the special parameter variable into another container a property of the same name This doesn t mean that we are accessing the parameter special It means we are accessing the copy of the value it had at that moment by way of another container We cannot reassign the special parameter to a different value from the inside keepLooking function What if I d used objects or arrays as the values instead of the numbers etc Would us having references to objects instead of copies of primitive values fix the inaccessibility No Mutating the contents of the object value via a reference copy is not the same thing as lexically accessing the variable itself We still can t reassign the special parameter Illegal ShadowingNot all combinations of declaration shadowing are allowed let can shadow var but var can t shadow let Consider the example function something var special JavaScript let special totally fine shadowing function another let special JavaScript var special Syntax Error Notice in the another function the inner var special declaration is attempting to declare a function wide special which in and of itself is fine as shown by the something function The syntax error description in this case indicates that special has already been defined The real reason it s raised as a SyntaxError is because the var is basically trying to cross the boundary of or hop over the let declaration of the same name which is not allowed That boundary crossing prohibition effectively stops at each function boundary so this variant raises no exception function another let special JavaScript ajax function callback totally fine shadowing var special JavaScript Function Name ScopeA function declaration looks like function askQuestion While function expression looks like var askQuestion function A function expression takes in a function as a value due to this the function itself will not hoist Now let s consider a named function expression var askQuestion function ofTheTeacher We know askQuestion can be accessed in the outer scope but what about ofTheTeacher identifier ofTheTeacher is declared as an identifier inside the function itself var askQuestion function ofTheTeacher console log ofTheTeacher askQuestion function ofTheTeacher console log ofTheTeacher ReferenceError ofTheTeacher is not defined Arrow FunctionsHere is how an arrow function is declared var askQuestion gt The arrow function doesn t need the word function to define it Backing OutWhen a function declaration or expression is defined a new scope is created The positioning of scopes nested inside one another creates a natural scope hierarchy throughout the program called the scope chain Each new scope offers a clean slate a space to hold its own set of variables When a variable name is repeated at different levels of the scope chain shadowing occurs which prevents access to the outer variable from that point inward That concludes this chapter I ll be back with the notes for the next chapter soon Till then Happy Coding If you enjoyed reading the notes or have any suggestions or doubts then feel free to share your views in the comments In case you want to connect with me follow the links below LinkedIn GitHub Twitter Medium	2021-07-10 07:07:37
海外ニュース	Japan Times latest articles	Tokyo reports 950 new COVID-19 cases on Saturday	https://www.japantimes.co.jp/news/2021/07/10/national/tokyo-reports-950-new-covid-19-cases-saturday/	consecutive	2021-07-10 16:49:14
海外ニュース	Japan Times latest articles	China tightens rules on foreign IPOs in new blow to tech firms	https://www.japantimes.co.jp/news/2021/07/10/business/china-tightens-rules-foreign-ipos-new-blow-tech-firms/	approval	2021-07-10 16:29:36
海外ニュース	Japan Times latest articles	Japan’s robotics market sees boom amid pandemic	https://www.japantimes.co.jp/news/2021/07/10/business/tech/japan-robot-industry/	pandemicthe	2021-07-10 16:21:29
ニュース	BBC News - Home	Covid to get worse before it gets better, doctors warn	https://www.bbc.co.uk/news/uk-57786002	areas	2021-07-10 07:56:15
ニュース	BBC News - Home	Former England striker Paul Mariner dies aged 68	https://www.bbc.co.uk/sport/football/57788208	Former England striker Paul Mariner dies aged Former England striker Paul Mariner who won the FA Cup and Uefa Cup with Ipswich Town and had spells at Plymouth Argyle Arsenal and Portsmouth dies at the age of	2021-07-10 07:40:28
ニュース	BBC News - Home	Mystery North Norfolk treasure 'could be sword-related'	https://www.bbc.co.uk/news/uk-england-norfolk-57681725	anglo	2021-07-10 07:24:50
ニュース	BBC News - Home	Covid-19: Isolation changes for NHS staff, and a hunt for the pandemic's origin	https://www.bbc.co.uk/news/uk-57787685	coronavirus	2021-07-10 07:06:35
ニュース	BBC News - Home	Euro 2020: Insigne, Benzema, Damsgaard - six great goals from the knockout stages	https://www.bbc.co.uk/sport/av/football/57784614	Euro Insigne Benzema Damsgaard six great goals from the knockout stagesBBC Sport looks back at six great goals from the knockout stages of Euro featuring strikes from Lorenzo Insigne Karim Benzema Paul Pogba and Mikkel Damsgaard	2021-07-10 07:03:16
LifeHuck	ライフハッカー［日本版］	【楽天・お買い物マラソン開催中】DEAN＆DELUCAフルーツゼリーが40%ポイント還元、1000円のiPhone充電ケーブル3本セットが50％還元など	https://www.lifehacker.jp/2021/07/rakuten-sale-0710-1.html	deandeluca	2021-07-10 17:00:00
北海道	北海道新聞	福島県も一転、五輪無観客の方針　野球・ソフトボール	https://www.hokkaido-np.co.jp/article/565612/	東京五輪	2021-07-10 16:17:00
北海道	北海道新聞	ＰＴＳＤとの因果関係が焦点　性犯罪判決、否定なら免訴	https://www.hokkaido-np.co.jp/article/565610/	性的暴行	2021-07-10 16:07:00
北海道	北海道新聞	サッカー男子日本代表、静岡合宿終了　強化試合に備え大阪へ移動	https://www.hokkaido-np.co.jp/article/565595/	強化試合	2021-07-10 16:06:54
ビジネス	東洋経済オンライン	102歳女性｢点滴を断固拒否｣で迎えた意外な最期 在宅で｢枯れるように逝く｣という選択肢もある | さいごはおうちで | 東洋経済オンライン	https://toyokeizai.net/articles/-/438912?utm_source=rss&utm_medium=http&utm_campaign=link_back	東洋経済オンライン	2021-07-10 17:00:00
IT	週刊アスキー	マックカフェ限定「いちご練乳フラッペ」 「バナナキャラメルフラッペ」がおいしそう～!!	https://weekly.ascii.jp/elem/000/004/062/4062144/	限定	2021-07-10 16:30:00