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- What's the difference between object, embed, and iframe in HTML
- Use embedded web pages or web applications, such as third-party websites; 2. Use embedded external resources such as PDF and SVG and provide alternate content when loading fails; 3. Avoid using it, because it only supports plug-ins and does not have fallback, it is no longer recommended for modern web development.
- HTML Tutorial . Web Front-end 826 2025-08-06 04:07:02
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- How to create a 3D flipping card with CSS?
- To create a 3D flip card, you must first build an HTML structure containing the front and back sides; 2. Set perspective, transform-style:preserve-3d and backface-visibility:hidden through CSS to create a 3D space and hide the back; 3. Use the :hover to trigger the .card's rotateY (180deg) to achieve flip animation; 4. Optional enhancements include using JavaScript to control flip, adjust the animation curve, add pictures and adapt to reduce animation preferences. This effect performs well in modern browsers, but should be used appropriately and consider accessibility, ultimately achieving a responsive 3D flip card effect that is purely CSS-driven
- CSS Tutorial . Web Front-end 366 2025-08-06 04:04:00
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- How to use MySQL with Docker for development environments?
- RunMySQLinaDockercontainerusingtheofficialimagewithenvironmentvariablesforrootpassword,database,andusersetup.2.PersistdatabymountinganamedvolumeorhostdirectorytostoreMySQLfiles.3.ConnectviaMySQLCLIinsidethecontaineroraclientonthehostusinglocalhostand
- Mysql Tutorial . Database 405 2025-08-06 03:33:01
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- How to create a CSS-only animated tabs?
- Use hidden radio-select input boxes and tags to control tag switching through:checked status; 2. Use CSS to hide input boxes, beautify tags to tab styles, and set the tab content to be hidden by default; 3. Use the brother selector and checked status to display the corresponding content, and add fade in or slide through @keyframes; finally, smooth animation tabs without JavaScript are achieved, with good accessibility and cross-browser compatibility.
- CSS Tutorial . Web Front-end 230 2025-08-06 03:17:00
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- How to Handle Time Zones in MySQL?
- UseTIMESTAMPforautomatictimezoneconversion;itstorestimeinUTCanddisplaysitinthesession’stimezone.2.AvoidDATETIMEfortime-sensitivedataasitdoesnothandletimezonesandstoresvaluesexactlyasgiven.3.Settime_zonetoUTCgloballyorpersessiontoensureconsistentinter
- Mysql Tutorial . Database 741 2025-08-06 01:14:01
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- Implementing Set and Dictionary Data Structures with PHP Associative Arrays
- PHPassociativearrayscanbeusedtoimplementSetandDictionarydatastructures.1.ForaSet,usearraykeystostoreuniqueelements,enablingO(1)average-timecomplexityforadd,remove,andlookupoperationsviaisset()andunset().2.ForaDictionary,wrapassociativearraysinaclasst
- PHP Tutorial . Backend Development 901 2025-08-06 01:02:01
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- How to create a responsive landing page with CSS?
- Startwithamobile-firstapproachusingtheviewportmetatagandmin-widthmediaqueriestoprogressivelyenhancestylesforlargerscreens.2.UseCSSFlexboxforone-dimensionallayoutsandGridfortwo-dimensionallayouts,adjustingwithmediaqueriesfordifferentdevices.3.Makeimag
- CSS Tutorial . Web Front-end 352 2025-08-06 00:58:00
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- What are the different numeric data types in MySQL and their ranges?
- MySQLsupportsintegertypes(TINYINT,SMALLINT,MEDIUMINT,INT,BIGINT)withsignedandunsignedrangesforwholenumbers.2.Fixed-pointtypesDECIMAL(M,D)andNUMERIC(M,D)storeexactdecimalvalues,idealforfinancialdata,withprecisionupto65digitsandscaleupto30.3.Floating-p
- Mysql Tutorial . Database 395 2025-08-06 00:36:01
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- How to create a responsive login form with CSS?
- StartwithasemanticHTMLstructureusingaformwrappedinacontainer.2.UseCSSFlexboxtocentertheformandensureresponsivenessacrossdevices.3.Styleinputsandbuttonsforusabilitywithfull-widthlayouts,properspacing,andfocusstates.4.Optimizeformobilewithmediaqueriest
- CSS Tutorial . Web Front-end 625 2025-08-06 00:30:01
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- Monitoring MySQL Performance with Prometheus and Grafana
- To monitor MySQL using Prometheus and Grafana, you need to first deploy mysqld-exporter to expose MySQL metrics; 1. Install mysqld-exporter (recommended Docker startup and configuration connection information); 2. Add job to grab exporter data in the Prometheus configuration file; 3. Import community templates (such as ID7386) in Grafana to display monitoring charts; 4. Pay attention to key indicators such as connection number, slow query, buffer pool usage, query volume, and configure alarms.
- Mysql Tutorial . Database 185 2025-08-06 00:24:01
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- What is the noscript tag in HTML and how is it used
- Tags are displayed when JavaScript is not executed and are used to provide alternative content for users who do not support or disable JavaScript. 1. Prompt information such as "Please enable JavaScript", 2. Provide static resources as a downgrade replacement for dynamic functions, 3. Load styles or meta information when there is no JS, 4. Enhance accessibility and SEO, but cannot be used for security control, and modern search engines can execute JavaScript, so their SEO function has been weakened, ultimately ensuring that the website is still available and the information is complete in a JavaScript-free environment.
- HTML Tutorial . Web Front-end 487 2025-08-06 00:21:02
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- Implement URL rewrite using .htaccess: Remove ?q= parameter
- This article aims to explore in-depth how to use Apache's mod_rewrite module to rewrite dynamic URLs containing ?q= parameters (such as https://example.com/?q=something) through the .htaccess file to a more concise and friendly static appearance URL (such as https://example.com/something). The article will explain in detail the issues in common rewrite rules that may lead to "index.php" loop rewrites and provide a robust solution including sample code and key considerations to ensure the correctness and efficiency of rewrite rules.
- PHP Tutorial . Backend Development 146 2025-08-06 00:00:05
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- Using Jetstream and Spatie to implement user roles and permission management in Laravel 8
- This article aims to provide a detailed set of guides for Laravel 8 project developers to seamlessly integrate and leverage Spatie's Laravel Permission package to achieve powerful user role and permission management capabilities in projects that have integrated Jetstream authentication systems. We will dive into how to add Spatie to existing projects, resolve compatibility issues with Jetstream, and provide detailed steps and code examples to help developers build flexible and scalable permission control systems, including role-based permission allocation and permission overrides for individual users.
- PHP Tutorial . Backend Development 512 2025-08-05 23:57:01
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- Rewrite URL with .htaccess: Remove ?q= parameter and solve internal rewrite problems
- This article explains in detail how to use Apache's mod_rewrite module, and rewrite the URL like example.com/?q=something to example.com/something through the .htaccess file. The focus is on analyzing the problems caused by the common RewriteRule configurations that cause index.php display, and provides professional solutions to avoid internal rewriting and correctly handle URLs, ensuring the implementation of elegant URLs.
- PHP Tutorial . Backend Development 660 2025-08-05 23:51:00
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