投稿時間:2023-08-13 22:12:32 RSSフィード2023-08-13 22:00 分まとめ(15件)

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python	Pythonタグが付けられた新着投稿 - Qiita	[Python / opencv-python] ImportError: libGL.so.1: cannot open shared object file の対策	https://qiita.com/siruku6/items/b8aae4cdbf6ebc0dc5d6	otlocalsharevirtualenvsop	2023-08-13 21:44:42
js	JavaScriptタグが付けられた新着投稿 - Qiita	javascript 分割代入(でストラクチャリング)とは？	https://qiita.com/shira_qt/items/54169f2a761a468469a7	javascript	2023-08-13 21:40:32
js	JavaScriptタグが付けられた新着投稿 - Qiita	Moddable SDK 4.0.0でXIAO BLE(nRF52840)を動かす	https://qiita.com/kitazaki/items/8005496f37ac4bfea789	moddablesdk	2023-08-13 21:40:14
Docker	dockerタグが付けられた新着投稿 - Qiita	[Python / opencv-python] ImportError: libGL.so.1: cannot open shared object file の対策	https://qiita.com/siruku6/items/b8aae4cdbf6ebc0dc5d6	otlocalsharevirtualenvsop	2023-08-13 21:44:42
技術ブログ	Developers.IO	[アップデート] AWS Firewall Manager ポリシースコープ内にリソースが存在する場合のみ Web ACL が作成されるよう設定出来るようになりました	https://dev.classmethod.jp/articles/firewall-manager-optimize-waf-web-acl/	awsfirewallmanager	2023-08-13 12:11:19
海外TECH	MakeUseOf	8 Aesthetic Blogs to Follow for Inspiration	https://www.makeuseof.com/aesthetic-blogs-inspiration-for-bloggers/	aesthetic	2023-08-13 12:31:24
海外TECH	MakeUseOf	4 Ways Apple Could Improve Its iMac Lineup	https://www.makeuseof.com/how-apple-could-improve-imac-lineup/	consumers	2023-08-13 12:15:24
海外TECH	MakeUseOf	What Is Network Security? How It Works and Why It's Important	https://www.makeuseof.com/network-security-working-and-importance/	security	2023-08-13 12:01:24
海外TECH	DEV Community	Proxies	https://dev.to/scorcism/proxies-3m9d	Proxies What Is a Proxy At its core a proxy is an intermediary server that stands between your device computer smartphone etc and the internet It acts as a gateway that forwards your requests and responses effectively acting on your behalf When you send a request to access a website or resource the proxy server relays that request to the destination retrieves the response and sends it back to you Type of Proxies Forward Proxy A forward proxy commonly known as just proxy is often used by clients users to access resources from the internet It masks your identity by using its own IP address providing anonymity and security When you request a webpage through a forward proxy it fetches the content and sends it back to you allowing you to access restricted or blocked content In simple its a vpn that we use Your Shield of Anonymity Reverse ProxyA reverse proxy acts on behalf of servers rather than clients It sits in front of one or more web servers distributing incoming requests to those servers This setup enhances security by isolating the internal servers from direct internet exposure Additionally reverse proxies can handle tasks like load balancing caching and SSL termination Best for server efficiency Advantages Forward ProxyEnhanced Privacy and AnonymityBypassing Content FiltersProtection from Malicious SitesMonitoring and Logging Reverse ProxyLoad BalancingCachingWeb Application Firewall WAF Content Compression	2023-08-13 12:47:40
海外TECH	DEV Community	Unveiling the Finest CSS Frameworks: Elevate Your Web Development Game	https://dev.to/arsalanmee/unveiling-the-finest-css-frameworks-elevate-your-web-development-game-ci4	Unveiling the Finest CSS Frameworks Elevate Your Web Development GameIn today s fast paced digital arena mastering web development demands more than just coding skills It s about efficiency creativity and staying ahead in the ever evolving landscape This is where CSS frameworks come into play Think of them as your secret weapon they provide a foundation of pre designed CSS code and components that can turn your coding into an art form Whether you re an aspiring developer or a seasoned pro diving into the world of the best CSS frameworks can be a game changer for your web projects So let s embark on a journey to explore the cream of the crop when it comes to CSS frameworks Table of ContentsGetting Acquainted with CSS FrameworksUnraveling the Magic Benefits of CSS FrameworksHandpicking the Perfect CSS Framework What to ConsiderThe Elite Five Top CSS Frameworks for Today s DevelopersBootstrap A Powerhouse of PossibilitiesFoundation Where Flexibility Meets IngenuityBulma Simplifying Style with EleganceTailwind CSS Crafting Brilliance with UtilitiesMaterialize Fusion of Aesthetics and FunctionalityA Clash of Titans Comparing the CSS Framework GiantsExpress Yourself Customization and ResponsivenessA Symphony of Codes Harmonizing CSS Frameworks with JavaScriptSEO and CSS Frameworks A Symbiotic RelationshipAhead of the Curve The Future Landscape of CSS FrameworksWrapping Up the Odyssey Embrace the Power of CSS Frameworks Getting Acquainted with CSS FrameworksCSS frameworks are like the building blocks of web design They re pre designed sets of CSS files and components that can turn a potentially tedious coding process into a creative masterpiece Unraveling the Magic Benefits of CSS FrameworksWhy should you even bother with CSS frameworks Here s the scoop Time Savior With ready made components you ll be coding at the speed of light Consistency Enforcer Say goodbye to design inconsistencies across your site Mobile Magic Frameworks ensure your site looks fabulous on every device Browser Peacekeeper Cross browser compatibility Consider it handled Community Comfort Tap into a treasure trove of resources and assistance Handpicking the Perfect CSS Framework What to ConsiderDon t dive into a framework without considering these factors Project Priorities Different frameworks suit different project sizes and scopes Learning Curve Some frameworks are gentle teachers while others demand more dedication Unleash Your Creativity Check the extent to which you can customize Speed Racer Does the framework affect your site s speed Investigate The Elite Five Top CSS Frameworks for Today s Developers Bootstrap A Powerhouse of PossibilitiesBootstrap the brainchild of Twitter is a household name among developers It s a versatile CSS framework offering responsive grid systems premade components and cool JavaScript plugins perfect for projects simple or complex Foundation Where Flexibility Meets IngenuityFoundation is a playground for designers It flaunts a flexible grid system and modular approach giving you the power to sculpt unique designs Oh and it s the king of mobile responsiveness Bulma Simplifying Style with EleganceBulma is your minimalist friend It relies on CSS Flexbox for layout and sports an intuitive syntax Perfect if you re after a clean and straightforward design Tailwind CSS Crafting Brilliance with UtilitiesTailwind CSS takes a unique approach It s utility first letting you compose designs using small utility classes This intricate control over design is every developer s dream Materialize Fusion of Aesthetics and FunctionalityMaterialize brings Google s Material Design to your projects It s all about the sleek and consistent look that modern users adore A Clash of Titans Comparing the CSS Framework GiantsEach framework has its own flavor Bootstrap for quick development Foundation for custom aesthetics Bulma for simplicity Tailwind CSS for fine tuning and Materialize for a modern feel Express Yourself Customization and ResponsivenessCustomization is the heart of your framework decision Bootstrap and Foundation go deep Bulma and Tailwind CSS go efficient It s your call A Symphony of Codes Harmonizing CSS Frameworks with JavaScriptCSS frameworks and JavaScript libraries are like Batman and Robin Together they create web experiences that are both engaging and interactive SEO and CSS Frameworks A Symbiotic RelationshipDon t worry about SEO Minify CSS optimize images use semantic HTML your website built on a framework can still shine in search engine rankings Ahead of the Curve The Future Landscape of CSS FrameworksAs web design evolves so will CSS frameworks Keep your eyes peeled for innovative newcomers catering to niche needs and design trends Wrapping Up the Odyssey Embrace the Power of CSS FrameworksIn the dynamic realm of web development CSS frameworks are your comrades in arms They ll fast track your designs and redefine user experiences The choice of framework is personal so pick wisely and embark on your journey to create stunning responsive and captivating websites FAQs Q Can I use CSS frameworks for any type of web project Absolutely Whether it s a simple page or a complex app CSS frameworks can fit the bill Q Can I put my personal touch on a CSS framework s design Definitely While some frameworks allow a deeper dive all let you add a sprinkle of your creativity Q Will CSS frameworks slow down my website There might be a slight overhead but smart optimization can keep your site swift Q Can I combine multiple CSS frameworks You can but it s like juggling too many balls it might get messy Q Are CSS frameworks secure to use Yes but staying updated with security patches is crucial Safety first	2023-08-13 12:14:53
海外TECH	DEV Community	The SQL Language (Part-1)	https://dev.to/pawankukreja01/the-sql-language-part-1-3i92	The SQL Language Part IntroductionThis chapter provides an overview of how to use SQL to perform simple operations This tutorial is only intended to give you an introduction and is in no way a complete tutorial on SQL In the following example we assume that you have created a database named mydb as described in the previous chapter and have been able to start psql Examples can also be found in the PostgreSQL source distribution in the directory src tutorial To use those files first change to that directory and run make cd src tutorialmakeThis creates the scripts and compiles the C files containing user defined functions and types Then to start to tutorial do the following psql s mydbmydb gt i basics sqlThis i command reads in commands from the specified file psql s s option puts you in single step mode which pauses before sending each statement to the server This commands used in this section are in the file basics sql ConceptsPostgreSQL is a relational database management system RDBMS that means it is a system for managing data stored in relations Relation is essentially a mathematical term for table The notion of storing data in tables is so common place today that it might seem inherently obvious but there are a number of other ways of organising database Each table is a named collection of rows Each row of a given table has the same set of named columns and each colum is of a specific datatype Where as columns have a fixed order in each row it is important to remember that SQL does not guarntee the order of the rows within the table in any way Creating a New Tableyou can create a table by specifying the table name along with all column names and their types Create table weather city varchar temp lo int low temperature temp hi int high temperature prcp real precipitation date date you can enter this into psql with the line breaks psql will recognise that the command is not terminated until the semicolon Populating a Table With RowsThe INSERT statement is used to populate a table with rows INSERT INTO weather VALUES San Francisco All the data types use rather obvious input formats Constants that are not simple numeric values usually must be surrounded by single quotes as in the example The datatype is actually quite flexible in what it accepts but for this tutorial we will stick to the unambiguous formate shown here The point type requires a coordinate pair as input as shown hereINSERT INTO cities VALUES San Francisco This syntax used so far requires you to remember the order of the columns As alternative syntax allows you to list the columns explicitly INSERT INTO weather city temp lo temp hi prcp date VALUES San Francisco You can list the columns in a different order if you wish or even omit some columns e g if the precipitationis unknown INSERT INTO weather date city temp hi temp lo VALUES Hayward Enter all the commands shown above so you have some data to work with in the following sections You can use COPY to load large amounts of data from flat text files This is usually faster because the COPY command is optimised for this application while allowing less flexibility that INSERTCOPY weather FROM home user weather txt Where file name for the source file must be available on the machine running the backend process	2023-08-13 12:09:57
海外TECH	DEV Community	Understanding Closures in JavaScript	https://dev.to/avwerosuoghene/understanding-closures-in-javascript-1dkb	Understanding Closures in JavaScriptClosures might seem puzzling at first but they re actually a powerful tool in JavaScript Think of them as hidden treasures that help make JavaScript work its magic In this article we ll uncover what closures are how they work and why they re important in making cool stuff with JavaScript What are Closures Closures in easy words empower functions to reach out and grab variables from the functions that hold them Imagine it as if functions have a secret tunnel to their parent functions treasure trove of variables These tunnels are constructed when functions come to life and they share a special connection This link between inner and outer functions forms the groundwork for numerous advanced coding strategies and techniques in JavaScript In this example the innerFunction is defined inside the outerFunction When outerFunction is called and innerFunction is returned it forms a closure This closure allows innerFunction to access the treasure variable from its parent function s scope even after outerFunction has completed execution This demonstrates how closures create a connection between inner and outer functions enabling access to outer variables Use Cases of ClosuresLet s examine some of the use cases of closures Data EncapsulationClosure provides a means to encapsulate data within functions allowing for controlled access to that data while keeping it hidden from the outside scope This concept is crucial for maintaining data integrity preventing unintended modifications and creating more modular and organised code In this example the createCounter function returns an object containing both the increment function and the getCount function The count variable is encapsulated within the closure formed by the increment and getCount functions The increment function can modify the count and the getCount function can retrieve its value However the count variable itself remains hidden from direct access from outside the closure The getCount function serves as the only way to access the count value from the external scope Functional ProgrammingClosures play a significant role in functional programming by enabling the creation of higher order functions which are functions that either take one or more functions as arguments or return a function as a result In this example the multiplier function returns a closure that captures the factor argument The returned function double and triple is a higher order function that multiplies its input by the captured factor This showcases the concept of closures in creating reusable higher order functions Event HandlingClosures are powerful tools for managing event handling in JavaScript They allow you to attach functions to events while maintaining access to the surrounding scope which is particularly useful for data encapsulation and avoiding global variables In this example the setupClickHandler function attaches a click event listener to a button element The anonymous function inside the addEventListener closure retains access to the count variable from its containing scope This enables the function to increment and log the click count each time the button is clicked Managing Closures and MemoryWhile closures offer powerful capabilities they can also lead to memory leaks if not managed carefully When a closure references variables from its containing scope those variables won t be garbage collected as long as the closure is in use This can lead to a buildup of memory over time To mitigate this ensure that unnecessary closures are released by removing references when they are no longer needed By setting the closure to null when it s no longer needed you allow the JavaScript engine to release the associated memory ConclusionIn the world of coding closures are like tiny allies that enhance the adaptability and efficiency of your functions However remember to manage closures well Don t leave them lying around when they re not needed This keeps your codebase tidy and efficient With closures in your toolkit you ll soon be crafting awesome code effortlessly	2023-08-13 12:02:23
Apple	AppleInsider - Frontpage News	Major Apple Watch redesign could change how bands attach	https://appleinsider.com/articles/23/08/13/major-apple-watch-redesign-could-change-how-bands-attach?utm_medium=rss	Major Apple Watch redesign could change how bands attachApple may be preparing a big refresh of the Apple Watch as early as a report claims with changes to the design potentially reworking how bands are attached to the wearable device Apple is currently anticipated to bring out the Apple Watch Series this fall but rumors are already circulating about the next model along For the Apple Watch X a milestone release Apple may have something big planned for the product line Writing in the Power On newsletter for Bloomberg Mark Gurman claims Apple is scheduling the Apple Watch X for launch sometime in or The theory is that it will be a celebration in line with the th anniversary of the Apple Watch itself Read more	2023-08-13 12:55:18
ニュース	BBC News - Home	Miss Universe Organisation cuts Indonesia ties over sex abuse claims	https://www.bbc.co.uk/news/world-asia-66491919?at_medium=RSS&at_campaign=KARANGA	checks	2023-08-13 12:18:56
ニュース	BBC News - Home	Altrincham: Teenager killed after climbing on car bonnet	https://www.bbc.co.uk/news/uk-england-manchester-66491306?at_medium=RSS&at_campaign=KARANGA	fatal	2023-08-13 12:30:50