投稿時間:2022-10-31 17:25:28 RSSフィード2022-10-31 17:00 分まとめ(29件)

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IT	気になる、記になる…	Amazon、読み放題サービス｢Kindle Unlimited｣が2ヶ月99円で利用出来るキャンペーンを開催中（表示されたユーザーのみ対象）	https://taisy0.com/2022/10/31/164492.html	kindleunlim	2022-10-31 07:47:50
IT	InfoQ	Azure Functions v4 Now Support .NET Framework 4.8 with Isolated Execution	https://www.infoq.com/news/2022/10/azure-functions-isolated-v4/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=global	Azure Functions v Now Support NET Framework with Isolated ExecutionMicrosoft announced on September th that Azure Functions runtime v will support running NET Framework functions in an isolated process allowing the developers to move their legacy NET functions to the latest runtime The isolated process execution decouples the function code from the Azure Functions host runtime By Edin Kapić	2022-10-31 08:00:00
IT	ITmedia 総合記事一覧	[ITmedia PC USER] Nerdytec、ソファに取り付けて使えるUSBハブ内蔵ポータブルデスク	https://www.itmedia.co.jp/pcuser/articles/2210/31/news151.html	gloture	2022-10-31 16:44:00
IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] 市場規模1000億円以上？　「ハロウィン」ってそもそも何の日？	https://www.itmedia.co.jp/business/articles/2210/31/news125.html	itmedia	2022-10-31 16:08:00
IT	情報システムリーダーのためのIT情報専門サイト IT Leaders	ヤマハ、公式認定制度「ヤマハネットワーク技術者認定試験」に中級試験を追加 | IT Leaders	https://it.impress.co.jp/articles/-/23981	ヤマハ、公式認定制度「ヤマハネットワーク技術者認定試験」に中級試験を追加ITLeadersヤマハは年月日、「ヤマハネットワーク技術者認定試験YamahaCertifiedNetworkEngineer」YCNEのラインアップを拡充し、新たに中級試験「YCNEStandard」を発表した。	2022-10-31 16:13:00
js	JavaScriptタグが付けられた新着投稿 - Qiita	wysiwygエディタのライブラリを調査・選定してみた	https://qiita.com/kotobuki5991/items/c7c9508af80783fc6e66	wysiwyg	2022-10-31 16:44:14
js	JavaScriptタグが付けられた新着投稿 - Qiita	JS/TS GraphQL環境でFactoryBot Fakerのような環境を作った	https://qiita.com/kyohah/items/33bda0c839a0b77f0898	factorybotfaker	2022-10-31 16:14:22
AWS	AWSタグが付けられた新着投稿 - Qiita	GitHub ActionでAWS EC2にデプロイを実行する(Amazon Linux)	https://qiita.com/kubota_ndatacom/items/1055df9b1568b86ddb41	action	2022-10-31 16:50:30
AWS	AWSタグが付けられた新着投稿 - Qiita	Amazon Cloud上にNetApp Cloud SyncのData Brokerを作成する二つの方法を検証してみた	https://qiita.com/heyanxia/items/c19d476bf4df60802e8f	objectstorageamazons	2022-10-31 16:39:19
Git	Gitタグが付けられた新着投稿 - Qiita	git の基本	https://qiita.com/webjp/items/f9baab1aeb82ab20c625	gitaddgitaddtestphpadd	2022-10-31 16:44:56
海外TECH	DEV Community	Quick Admin Panel alternative. Flatlogic Web Application Generator versus Quick admin panel	https://dev.to/flatlogic/quick-admin-panel-alternative-flatlogic-web-application-generator-versus-quick-admin-panel-m03	Quick Admin Panel alternative Flatlogic Web Application Generator versus Quick admin panel What are codebase generators Many software engineers these days are trying to automate their work by looking for tools to speed up their work And one of the parts that developers are trying to hack is the creation of applications in general or at least the automation of routine work when creating web applications Almost all modern web applications regardless of the technologies you choose start out pretty much the same and have the same components even if the tasks for these applications will differ cardinally For example most web applications will have the following components CRUD functions Authentication and authorization Login and registration pages Forms and tables Setup of the initial project Connecting DB to back end and back end to front end Creating a basic layout And I can list for a long time what needs to be done and what components can be common when starting applications Thus developers these can be freelancers or developers within the service business as well as teams within a large corporation who often need to start new projects do their starter kits to quickly launch projects and eliminate repetitive work These can range from simple tools for building only the front end part to more complex sets for fully customizing a full stack application Like any other work this area also began to become more complicated and developed To date some software engineers and companies have made tools for more advanced code generation tailored to your needs These instruments have different names Some people refer to them as low code tools some call them codebase generators and there is also a term that comes from ruby on rails ​​ scaffolding But the bottom line is that such tools help to significantly save time and money when starting the application while not depriving you of the option to customize the application Today we review two codebase generators that can create apps based on Laravel Flatlogic Web Application Generator and Quick Admin Panel Flatlogic Web Application Generator What is Flatlogic Web Application Generator Flatlogic is a full stack application codebase generation tool that creates apps based on a database schema An application made on the basis of the Flatlogic Web Application Generator can be immediately suitable for production in basic cases The front end back end database authentication API high quality coding and hosting are all included and ready to use when you begin work You choose the technology stack create a database schema and your ideal codebase is ready without having to start from scratch How Flatlogic works The process of creating a web application using Flatlogic is very simple especially for those who have developer experience Before you create your application you choose the stack front end back end and database type Further depending on the selected stack you will have the option to choose the appearance of your future application Create a database schema At this point you will need to create the entities for your application Flatlogic provides two options on how to do this you can create a database schema through the UI tool which also contains templates for some applications or you can upload a SQL file with a ready made database schema At the final step the applications are generated and depending on your subscription plan you can further work with it Technology StackYou can generate the app admin panel on the following stacks On the Front end you can choose React Vue Angular Tailwind On the Back end you can choose Node js Sequelize Node js Type ORM Laravel Database options MySQL PostgreSQL Flatlogic featuresAfter the creation of the application you can work with the platform itself as well as with the made application PlatformLet s first look at the features of the platform itself Even if you don t have to pay access to the tool you can still examine a code preview of the produced app in the cabinet Hosting to visually evaluate the outcome you can also host your generated app on our platform Our platform will provide you access to logs if there are any errors when launching your app Additionally you may change your schema and add new entities to your project The tool to modify UI schema is always free to use After that you may deploy the app at any time Complete access to the app s source code Generated application featuresNow let s take a look at how the application itself works and what it is all about The application created with Flatlgoic is fully responsive App has ready to use authorization and authentication that has been configured According to the previously established database structure all back end and front end logic is created automatically For easy deployment to any hosting platform every program comes with a docker container Flatlogic automatically builds a Swagger documented API for each item produced by the generator Forms buttons tables and the overall layout are pre made The tool also fully integrates with GitHub enabling you to quickly create new entities and tables without writing new code publish it to GitHub and collaborate with other engineers on your project WYSIWYG editor out of the box in created applications Additionally the app will include some searching filtering and validation Flatlogic pricingFlatlogic charges a monthly or yearly subscription for its Web application generator The subscription starts from for one stack There are tiers in the pricing plan that differ from each other on how many stacks you can use while generating the app and support Individual plan costs per month With that plan you can generate as many apps as you one but in one stack The professional plan costs You can create as many apps as you want on all stacks that Flatlogic supports Enterprise plans differ from professional plans on dedicated support Quick Admin Panel What is Quick Admin Panel QuickAdminPanel is an online code base generator of Laravel projects No coding is necessary to register add fields connections menus and install modules online You can create a Laravel CRUD project in several minutes The creator of the Quick Admin Panel has a similar story to Flatlogic Pavolias was making a lot of applications for data management he called them mini CRMs As is the case with many other generators the creator of Quick Admin Panel also noticed similarities in the creation of such projects and decided to also create a tool for quickly generating CRUD applications Thus QuickAdminPanel was started How does it work The process of creating an application is quite simple You choose the stack on which you want to make applications Choose the name of your future project Create database schema You can create it from scratch or choose the template There are options blank CRM Product Management and Asset Management Choose the laravel version There is also the option to choose supported languages View template Core UI or Admin LTE After that the application is created and you can see its code or download and edit it Later you will be redirected to the internal tool where you will create and edit the database schema User managementfunctionality will be implemented in the application right away Also the great feature and one of the main pros of Quick Admin Panel are modules with help of which you can extend the functionality of the created application Technology Stack Laravel jQuery jQuery Datatables net CRUDs Relationships Design Themes Modules Laravel API Generator Vue js Laravel API Only for Yearly Plan members Translations with Vue In plugin Vue CRUD components Material Design Theme Vue Router and Vuex Laravel API Auth with Laravel Sanctum Livewire Tailwind Only for Yearly Plan members Livewire Components Datatables with Search Filters Tailwind Design Theme Fully Customizable Features of Quick Admin PanelThe app created with help of QuickAdminPanel has the following features Multi tenancy restrict access to CRUD entries to only users or teams who actually created them You can add dashboards reports and number charts for analytics API generator you can create API Controllers and Routes for any of your CRUDs including OAuth with Laravel Passport You can install the registration module out of the box Audit logs With help of this module you can log every action that the user performs in your application Calendar which can accept several CRUDs as event sources also with customizable labels You can Import CSV files into any of your database CRUDs The generated app has internalization out of box If we touch the whole product it has the following notable features You can download and edit generated code and use it for commercial purposes Creation of the CRUD menus or in other words entities can be made through the internal UI tool You can preview generated code before you buy access to the product QuickAdminPanel has a day trial Quick Admin Panel pricingThe company offers two pricing plans a one time payment for one CRUD project with all models and functions and unlimited CRUD operations but only with jQuery on the front end And yearly for unlimited project generation and all stacks Pros and cons of Quick Admin Panel Pros Built in internationalization and localization With many built in modules with help of them you can extend the application in one click like dashboards calendars etc Price less than in Flatlogic Cons Limited capabilities in terms of supported stacks Low quality user experience in database schema editor tool Inability to host the application in one click Pros and cons of Flatlogic Pros Support of multiple stacks on front end back end and database parts A more straightforward path to creating an app e g the database schema builder more convenient Support of Material UI and React GitHub integration and version control Every app comes with Docker so you can host the generated app on most platforms with ease One click hosting of the generated app on the Flatlogic Platform Cons More expensive than Quick Admin Panel No built in localization No dashboard out of box No modules with help of which you can extend the application in one click ConclusionBoth products were created to solve a similar problem speeding up the process of creating a web application with CRUD functionality so the products themselves are similar The main difference between the two web app generators is in the number of supported stacks and the ability to host freshly created applications Flatlogic Web Application Generator supports more stacks on which you can build an application Moreover all these stacks have an up to date version under the hood You can also host a freshly created application on the Flatlogic platform and if you do not need such functionality then at least you can watch a live demo of the application Quick Admin Panel boasts that you can extend the created application with pre build modules such as multi tenancy dashboards calendars CSV import global search and other functions Based on the above we can conclude that if you are interested in some of the specific functions that are in the prebuild modules of the Quick Admin Panel and you are tied to the Laravel stack then this product will probably be your main choice Otherwise the best and most convenient choice for quickly creating web applications with CRUD functionality is Flatlogic Web Application Generator Thank you for reading this article I hope you find it useful We also welcome any feedback from you on this article as well as on improving our product Thank you	2022-10-31 07:54:55
海外TECH	DEV Community	Web Scraping With PHP | Ultimate Tutorial	https://dev.to/oxylabs-io/web-scraping-with-php-ultimate-tutorial-35n	Web Scraping With PHP Ultimate TutorialYou can use various scripting languages to do web scraping and PHP is certainly one to try It s a general purpose language and one of the most popular options for web development For example WordPress the most common content management system for creating websites is built using PHP PHP offers various building blocks required to build a web scraper although it can quickly become an increasingly complicated task Conveniently many open source libraries can make web scraping with PHP more accessible This post will guide you through the step by step process of writing various PHP web scraping routines you can employ to extract public data from static and dynamic web pages Let s get started Can PHP be used for web scraping In short yes it certainly can and the rest of the article will detail precisely how the web page scraping processes should look However asking whether it s a good choice as a language for web scraping is an entirely different question as numerous programming language alternatives exist Note that PHP is old It has existed since the s and reached significant version Yet this is advantageous as it makes PHP a rather easy language to use and has decades of solved problems errors under its belt However simplicity comes at a cost as well When it comes to complex dynamic websites PHP is outperformed by Python and Javascript although if your requirements are data scraped from simple pages then PHP is a good choice Installing prerequisitesTo begin make sure that you have both PHP and Composer installed If you re using Windows visit this link to download PHP You can also use the Chocolatey package manager Using Chocolatey run the following command from the command line or PowerShell choco install phpIf you re using macOS the chances are that you already have PHP bundled with the operating system Otherwise you can use a package manager such as Homebrew to install PHP Open the terminal and enter the following brew install phpOnce PHP is installed verify that the version is or newer Open the terminal and enter the following to verify the version php versionNext install Composer Composer is a dependency manager for PHP It ll help to install and manage the required packages To install Composer visit this link Here you ll find the downloads and instructions If you re using a package manager the installation is easier On macOS run the following command to install Composer brew install composerOn Windows you can use Chocolatey choco install composerTo verify the installation run the following command composer versionThe next step is to install the required libraries Making an HTTP GET requestThe first step of PHP web scraping is to load the page In this tutorial we ll be using books toscrape com The website is a dummy book store for practicing web scraping When viewing a website in a browser the browser sends an HTTP GET request to the web server as the first step To send the HTTP GET request using PHP the built in function file get contents can be used This function can take a file path or a URL and return the contents as a string Create a new file and save it as native php Open this file in a code editor such as Visual Studio Code Enter the following lines of code to load the HTML page and print the HTML in the terminal lt php html file get contents echo html Execute this code from the terminal as follows php native phpUpon executing this command the entire HTML of the page will be printed As of now it s difficult to locate and extract specific information within the HTML This is where various open source third party libraries come into play Web scraping in PHP with GoutteA wide selection of libraries is available for web scraping with PHP In this tutorial Goutte will be used as it s accessible well documented and continuously updated It s always a good idea to try the most popular solution Usually supporting content and preexisting advice are plentiful Goutte can handle most static websites For dynamic sites let s use Symfony Panther Goutte pronounced goot is a wrapper around Symfony s components such as BrowserKit CssSelector DomCrawler and HTTPClient Symfony is a set of reusable PHP components The components used by Goutte can be used directly However Goutte makes it easier to write the code To install Goutte create a directory where you intend to keep the source code Navigate to the directory and enter these commands composer init no interaction require php gt composer require fabpot gouttecomposer updateThe first command will create the composer json file The second command will add the entry for Goutte as well as download and install the required files It ll also create the composer lock file The composer update command will ensure that all the files of the dependencies are up to date Sending HTTP requests with GoutteThe most important class for PHP web scraping using Goutte is the Client that acts like a browser The first step is to create an object of this class client new Client This object can then be used to send a request The method to send the request is conveniently called request It takes two parameters ーthe HTTP method and the target URL and returns an instance of the DOM crawler object crawler client gt request GET This will send the GET request to the HTML page To print the entire HTML of the page we can call the html method Putting together everything we ve built so far this is how the code file looks like lt phprequire vendor autoload php use Goutte Client client new Client crawler client gt request GET echo crawler gt html Save this new PHP file as books php and run it from the terminal This will print the entire HTML php books phpNext we need a way to locate specific elements from the page Locating HTML elements via CSS SelectorsGoutte uses the Symfony component CssSelector It facilitates the use of CSS Selectors in locating HTML elements The CSS Selector can be supplied to the filter method For example to print the title of the page enter the following line to the books php file that we re working with echo crawler gt filter title gt text Note that title is the CSS Selector that selects the node from the HTML Keep in mind that in this particular case text returns a text contained in the HTML element In the earlier example we ve used html to return the entire HTML of the selected element If you prefer to work with XPath use the filterXPath method instead The following line of code produces the same output echo crawler gt filterXPath title gt text Now let s move on to extracting the book titles and prices Extracting the elementsOpen in Chrome right click on a book and select Inspect Before we write the web scraping code we need to analyze the HTML of our page first The books are located in the tagsUpon examining the HTML of the target web page we can see that each book is contained in an article tag which has a product pod class Here the CSS Selector would be product pod In each article tag the complete book title is located in the thumbnail image as an alt attribute value The CSS Selector for the book title would be image container img Finally the CSS Selector for the book price would be price color To get all the titles and prices from this page first we need to locate the container and then run the each loop In this loop an anonymous function will extract and print the title along with the price as follows function scrapePage url client crawler client gt request GET url crawler gt filter product pod gt each function node title node gt filter image container img gt attr alt price node gt filter price color gt text echo title price PHP EOL The functionality of web data extraction was isolated in a function The same function can be used for extracting data from different websites Handling paginationAt this point your PHP web scraper is performing data extraction from only a single URL In real life web scraping scenarios multiple pages would be involved In this particular site the pagination is controlled by a Next link button The CSS Selector for the Next link is next gt a In the function scrapePage that we ve created earlier add the following lines try next page crawler gt filter next gt a gt attr href catch InvalidArgumentException Next page not foundreturn null return next page This code uses the CSS Selector to locate the Next button and to extract the value of the href attribute returning the relative URL of the subsequent page On the last page this line of code will raise the InvalidArgumentException If the next page is found this function will return its URL Otherwise it will return null From now on you ll be initiating each scraping cycle with a different URL This will make the conversion from a relative URL to an absolute one easier Lastly you can use a while loop to call this function client new Client nextUrl while nextUrl nextUrl scrapePage nextUrl client scrapePage url client The web scraping code is almost complete Writing data to a CSV fileThe final step of the PHP web scraping process is to export the data to a storage PHP s built in fputcsv function can be used to export the data to a CSV file First open the CSV file in write or append mode and store the file handle in a variable Next send the variable to the scrapePage function Then call the fputcsv function for each book to write the title and price in one row Lastly after the while loop close the file by calling fclose The final code file will be as follows function scrapePage url client file crawler client gt request GET url crawler gt filter product pod gt each function node use file title node gt filter image container img gt attr alt price node gt filter price color gt text fputcsv file title price try next page crawler gt filter next gt a gt attr href catch InvalidArgumentException Next page not found return null return next page client new Client file fopen books csv a nextUrl while nextUrl echo lt h gt nextUrl lt h gt PHP EOL nextUrl scrapePage nextUrl client file fclose file Run this file from the terminal php books phpThis will create a books csv file with rows of data Web scraping with Guzzle XML and XPathGuzzle is a PHP library that sends HTTP requests to web pages in order to get a response In other words Guzzle is a PHP HTTP client that you can use to scrape data Note that before working with a web page you d need to understand two more concepts XML and XPath XML stands for eXtensible Markup Language It ll be used to create files for storing structured data These files can then be transmitted and the data constructed There is the issue of reading XML files and this is where XPath comes into the picture XPath stands for XML Path and is used for navigation and selecting XML nodes HTML files are very similar to XML files In some cases you might need a parser to make adjustments to the minor differences and make HTML at least somewhat compliant with XML file standards There are some parsers that can read even poorly formatted XML In any case the parsers will then make necessary HTML modifications so that you can work with XPath to query and navigate the HTML Setting up a Guzzle ProjectTo install Guzzle create a directory where you intend to keep the source code Navigate to the directory and enter these commands composer init no interaction require php gt composer require guzzlehttp guzzleIn addition to Guzzle let s also use a library for parsing HTML code There are many PHP libraries available such as simple HTML dom parser and Symphony DOMCrawler In this tutorial Symphony DOMCrawler is chosen Its syntax is very similar to Goutte and you ll be able to apply what you already know in this section Another point in favor of DomCrawler over the simple HTML dom parser is that it supports working with invalid HTML code very well So let s get going Install DOMCrawler using the following command composer require symfony dom crawlerThese commands will download all the necessary files The next step is to create a new file and save it as scraper php Sending HTTP requests with GuzzleSimilar to Goutte the most important class of Guzzle is Client Begin by creating a new file scraper php and enter the following lines of PHP code lt phprequire vendor autoload php use GuzzleHttp Client use Symfony Component DomCrawler Crawler Now we re ready to create an object of the Client class client new Client You can then use the client object to send a request The method to send the request is conveniently called request It takes two parameters ーthe HTTP method and the target URL and returns a response response client gt request GET From this response we can extract the web page s HTML as follows html response gt getBody gt getContents echo htmlNote that in this example the response contains HTML code If you re working with a web page that returns JSON you can save the JSON to a file and stop the script The next section will be applicable only if the response contains HTML or XML data Continuing the DomCrawler will be used to extract specific elements from this web page Locating HTML elements via XPathImport the Crawler class and create an instance of the Crawler class as shown in the following PHP code snippet use Symfony Component DomCrawler Crawler We can create an instance of the crawler class as follows crawler new Crawler html Now we can use the filterXPath method to extract any XML node For example the following line prints only the title of the page echo crawler gt filterXPath title gt text A quick note about XML Nodes In XML everything is a node an element is a node an attribute is a node and text is also a node The filterXPath method returns a node So to extract the text from an element even if you use the text function in XPath you still have to call the text method to extract text as a string In other words both the following lines of code will return the same value echo crawler gt filterXPath title gt text echo crawler gt filterXPath title text gt text Now let s move on to extracting the book titles and prices Extracting the elementsBefore writing web scraping code let s start with analyzing the HTML of our page Open the web page in Chrome right click on a book and select Inspect The books are located in elements with the class attribute set to product pod The XPath to select these nodes will be as follows class product pod In each article tag the complete book title is located in the thumbnail image as an alt attribute value The XPath for book title and book price would be as follows class image container a img alt class price color text To get all of the titles and prices from this page you first need to locate the container and then use a loop to get to each of the elements containing the data you need In this loop an anonymous function will extract and print the title along with the price as shown in the following PHP code snippet crawler gt filterXpath class product pod gt each function node title node gt filterXpath class image container a img alt gt text price node gt filterXPath class price color text gt text echo title price PHP EOL This was a simple demonstration of how you can scrape data from any page using Guzzle or DOMCrawler parsers Note that this method won t work with a dynamic website These websites use JavaScript code that cannot be handled by DOMCrawler In cases like this you ll need to use Symphony Panther The next step after extracting data is to save it Saving extracted data to a fileTo store the extracted data you can change the script to use the built in PHP and create a CSV file Write the following PHP code snippet as this file fopen books csv a crawler gt filterXpath class product pod gt each function node use file title node gt filterXpath class image container a img alt gt text price node gt filterXPath class price color text gt text fputcsv file title price fclose file This code snippet when run will save all the data to the books csv file Web scraping with Symfony PantherDynamic websites use JavaScript to render the contents For such websites Goutte wouldn t be a suitable option For these websites the solution is to employ a browser to render the page It can be done using another component from Symfony Panther Panther is a standalone PHP library for web scraping using real browsers In this section let s scrape quotes and authors from quotes toscrape com It s a dummy website for learning the basics of scraping dynamic web pages Installing Panther and its dependenciesTo install Panther open the terminal navigate to the directory where you ll be storing your source code and run the following commands composer init no interaction require php gt composer require symfony panthercomposer updateThese commands will create a new composer json file and install Symfony Panther The other two dependencies are a browser and a driver The common browser choices are Chrome and Firefox The chances are that you already have one of these browsers installed The driver for your browser can be downloaded using any of the package managers On Windows run choco install chromedriverOn macOS run brew install chromedriver Sending HTTP requests with PantherPanther uses the Client class to expose the get method This method can be used to load URLs or in other words to send HTTP requests The first step is to create the Chrome Client Create a new PHP file and enter the following lines of code lt phprequire vendor autoload php use Symfony Component Panther Client client Client createChromeClient The client object can then be used to load the web page client gt get This line will load the page in a headless Chrome browser Locating HTML elements via CSS SelectorsTo locate the elements first you need to get a reference for the crawler object The best way to get an object is to wait for a specific element on a page using the waitFor method It takes the CSS Selector as a parameter crawler client gt waitFor quote The code line waits for the element with this selector to become available and then returns an instance of the crawler The rest of the code is similar to Goutte s as both use the same CssSelector component of Symfony The container HTML element of a quoteFirst the filter method is supplied by the CSS Selector to get all of the quote elements Then the anonymous function is supplied to each quote to extract the author and the text crawler gt filter quote gt each function node author node gt filter author gt text quote node gt filter text gt text echo autor quote Handling paginationTo scrape data from all of the subsequent pages of this website you can simply click the Next button For clicking the links the clickLink method can be used This method works directly with the link text On the last page the link won t be present and calling this method will throw an exception This can be handled by using a try catch block while true crawler client gt waitFor quote …try client gt clickLink Next catch Exception break Writing data to a CSV fileWriting the data to CSV is straightforward when using PHP s fputcsv function Open the CSV file before the while loop write every row using the fputcsv function and close the file after the loop Here s the final code file fopen quotes csv a while true crawler client gt waitFor quote crawler gt filter quote gt each function node use file author node gt filter author gt text quote node gt filter text gt text fputcsv file author quote try client gt clickLink Next catch Exception break fclose file Once you execute the web scraper contained in this PHP script you ll have a quotes csv file with all the quotes and authors ready for further analysis Click here and check out a repository on GitHub to find the complete code used in this article ConclusionYou shouldn t run into major hiccups when using Goutte for most static web pages as this popular library offers sufficient functionality and extensive documentation However if the typical HTML extraction methods aren t up to the task when dynamic elements come into play then Symfony Panther is the right way to deal with more complicated loads If you re working with a site developed using Laravel Code Igniter or just plain PHP writing the web scraping part directly in PHP can be very useful for example when creating your own WordPress plugin As PHP is also a scripting language you can write web scraping code even when it s not meant to be deployed to a website	2022-10-31 07:37:41
海外TECH	DEV Community	Preact an alternative to React?	https://dev.to/amirlotfi/preact-an-alternative-to-react-4p15	Preact an alternative to React I recently heard about Preact and learned that high traffic sites like IKEA Bing Etsy and others use Preact so I got curious about it I wanted to know how Preact works under the hood and the similarities and differences between react and preact so I decided to learn it This series is my journey learning preact and my thoughts on it I recommend signing up and creating a preact code in nexuscode online to follow along Like React Preact uses virtual DOM A Virtual DOM is a simple description of a tree structure using objects let vdom type p a lt p gt element props class big with class big children Hello World and the text Hello World Preact provides a way to construct these descriptions which can then be compared against the browser s DOM tree Each part of the tree is compared and the browser s DOM tree is updated to match the structure described by the Virtual DOM tree Instead of describing how to update the DOM in response to things like keyboard or mouse input we only need to describe what the DOM should look like after that input is received It means we can repeatedly give Preact descriptions of tree structures and it will update the browser s DOM tree to match each new description regardless of its current structure There are three ways to create Virtual DOM trees with Preact createElement a function provided by PreactHTM HTML like syntax you can write directly in JavaScriptJSX HTML like syntax that can be compiled into JavaScript createElementThe simplest approach would be calling Preact s createElement function directly import createElement render from preact let vdom createElement p a lt p gt element class big with class big Hello World and the text Hello World render vdom document body The code above creates a Virtual DOM description of a paragraph element The first argument to createElement is the HTML element name The second argument is the element s props an object containing attributes or properties to set on the element Any additional arguments are children for the element which can be strings like Hello World or Virtual DOM elements from additional createElement calls The last line tells Preact to build a real DOM tree that matches our Virtual DOM description and to insert that DOM tree into the body of a web page JSXJSX lets us describe our paragraph element using HTML like syntax JSX must be compiled by a tool like Babel or you can use nexuscode online to compile JSX inside your browser and see the result instantly Let s rewrite the previous example using JSX without changing its functionality import createElement render from preact let vdom lt p class big gt Hello World lt p gt render vdom document body HTMHTM is an alternative to JSX that uses standard JavaScript tagged templates removing the need for a compiler If you haven t encountered tagged templates they re a special type of String literal that can contain expression fields import h render from preact import htm from htm const html htm bind h function App return html lt p class big gt Hello World lt p gt render html lt App gt document body All of these examples produce the same result a Virtual DOM tree that can be given to Preact to create or update an existing DOM tree In the next chapter we re going to learn about components and events Please share your ideas and ask any questions you have or share your code via nexuscode online in the comments section below	2022-10-31 07:33:27
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海外ニュース	Japan Times latest articles	Ageless September champ Tamawashi rejoins sumo’s elite ranks	https://www.japantimes.co.jp/sports/2022/10/31/sumo/tamawashi-oldest-wrestler/	fukuoka	2022-10-31 16:12:27
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ビジネス	ダイヤモンド・オンライン - 新着記事	米中間選挙「インフレの痛み」が最後の決め手か - WSJ発	https://diamond.jp/articles/-/312184	中間選挙	2022-10-31 16:16:00
北海道	北海道新聞	林道脇からＲＶ転落　死亡男性の身元判明　帯広	https://www.hokkaido-np.co.jp/article/753458/	帯広市岩内町	2022-10-31 16:01:00
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