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- Improve MySQL performance: Comparison and selection between PHP/mysqli and PHP/exec
- This article explores the performance differences between using the mysqli library in PHP and calling the mysql command line tool through the exec function to execute MySQL requests. By analyzing the execution process of the two methods, the advantages of mysqli in connection multiplexing, resource consumption, etc. are revealed, and it is clearly pointed out that mysqli is a better choice to improve application performance.
- PHP Tutorial . Backend Development 721 2025-08-05 16:24:01
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- Solve the problem that the PHPMailer namespace cannot be resolved in Eclipse
- This article aims to resolve the issue where the Eclipse IDE prompts "the import phpmailer\phpmailer\PHPMailer cannot be resolved" error when using PHPMailer. This problem can be effectively solved by understanding the difference between namespaces, Composer package names, and path names, and using the use statement correctly, ensuring that PHPMailer works properly.
- PHP Tutorial . Backend Development 627 2025-08-05 16:18:01
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- Optimize MySQL performance: mysqli extensions and exec calls
- This article aims to compare the performance differences in using mysqli extension in PHP and calling MySQL client programs through exec functions to execute SQL queries. The conclusion is clear: Directly using database extensions such as mysqli or PDO is far better than calling external programs through exec in terms of performance, resource consumption and code maintenance.
- PHP Tutorial . Backend Development 160 2025-08-05 16:06:01
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- What are HTML entities for special characters
- HTMLentitiesareusedtodisplayreservedorinvisiblecharactersinwebpages;1.Forreservedcharacterslike,and&,use,and&respectively;2.Forspecialsymbolssuchas?,?,and€,use?,?,and€;3.Foraccentedletterslikeé,?,andü,useé,?,andü;4.Forwhitespacecontrol,use?fo
- HTML Tutorial . Web Front-end 835 2025-08-05 15:53:21
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- Optimizing MySQL for E-commerce Product Search
- TooptimizeproductsearchinMySQL,usetherightindexingstrategybyaddingindexesonsearchablecolumnslikeproduct_name,category_id,brand_id,orprice,andconsidercompositeindexesformultiplefilters.Avoidover-indexingtopreventwriteoverhead.Structurequeriesefficient
- Mysql Tutorial . Database 614 2025-08-05 15:48:01
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- How to Set up a Master-Master Replication in MySQL?
- Master-MasterreplicationinMySQLcanbeconfiguredbyfollowingthesesteps:1.EnsuretwoMySQLserversarenetwork-accessible,useuniqueserver-ids,enablebinarylogging,synchronizetimeviaNTP,andallowport3306throughthefirewall;2.Configureeachserver’smy.cnfwithuniques
- Mysql Tutorial . Database 769 2025-08-05 15:29:00
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- What is the difference between GET and POST form methods in HTML
- GETappendsdatatotheURL,makingitvisibleandunsuitableforsensitiveinformation,whilePOSTsendsdataintherequestbody,keepingithidden.2.GEThaslengthlimitationsduetoURLconstraints,whereasPOSTsupportslargerdatatransfers.3.GETrequestscanbecachedandbookmarked,un
- HTML Tutorial . Web Front-end 274 2025-08-05 15:21:23
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- What is the MySQL thread cache and how does it work?
- TheMySQLthreadcachereducesthreadcreationoverheadbyreusingthreadsfromdisconnectedclients;1.Itstoresidlethreadsinsteadofdestroyingthem,allowingreusefornewconnections;2.Itismosteffectiveinhigh-connection-churnenvironmentslikewebapplicationswithshort-liv
- Mysql Tutorial . Database 449 2025-08-05 15:19:01
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- How to create a circular progress bar with CSS?
- Create an infrastructure using HTML and set progress values through custom attributes --progress; 2. Use CSS's conic-gradient to generate a colored fan background based on --progress; 3. Cut out the center area through pseudo-element::before and inset and border-radius to form a ring; 4. Optionally add a styled span tag as the center text tag; 5. The overall centering content is centered through flex layout, and the final effect is a 75% green fill and 25% gray remaining ring progress bar, and the progress value can be dynamically updated and animation effects can be achieved through JavaScript.
- CSS Tutorial . Web Front-end 525 2025-08-05 15:16:01
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- How to Use the LIMIT Clause for Pagination in MySQL?
- When using LIMIT for MySQL paging, you must combine ORDERBY and pay attention to performance issues; the specific steps are: 1. Use SELECTFROMtable_nameLIMIToffset, row_count to implement paging; 2. Calculate offset by (page_number-1)page_size; 3. Always add ORDERBY to ensure the consistent results; 4. Consider using cursor-based paging for large offsets to improve performance; 5. Ensure that the columns of ORDERBY have been indexed to speed up querying.
- Mysql Tutorial . Database 943 2025-08-05 15:11:03
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- How to use HTML for basic text formatting
- Useforboldandsemanticimportance,andforitalicandemphasisinsteadoforforbetteraccessibilityandSEO.2.Structurecontentwithheadingtagsto,anduseforsmallertextlikedisclaimers.3.Separateparagraphswithandinsertlinebreakswithinparagraphsusingtheself-closingtag.
- HTML Tutorial . Web Front-end 220 2025-08-05 15:05:21
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- Efficiently obtain and index ACF field values of all articles in WordPress
- This tutorial details how to efficiently extract specific advanced custom field (ACF) values from all articles with custom PHP functions in WordPress and organize them into an alphabetical index list, while providing links to the original article for each entry. This method uses WP_Query for data retrieval, and combines PHP array functions for sorting and formatting output, which is suitable for building custom content directories or keyword indexes.
- PHP Tutorial . Backend Development 316 2025-08-05 14:57:00
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- Dynamically extract and sort WordPress ACF keywords and generate index links
- This article details how to programmatically use WordPress’ WP_Query and Advanced Custom Fields (ACF) plug-ins to extract the values of the specified ACF fields (such as "keywords") from the site-wide article. The tutorial will guide you how to collect links to these keywords and their corresponding articles and sort them alphabetically, and ultimately generate a clearly structured and clickable keyword index list, greatly improving the discoverability of website content and user navigation experience.
- PHP Tutorial . Backend Development 191 2025-08-05 14:54:01
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- How to embed a Google Map into an HTML webpage
- Find the map location and adjust the view; 2. Click "Share or Embed" to get the iframe code; 3. Paste the code into HTML; 4. Optionally adjust the size and responsive layout through CSS. Embedding Google Maps does not require an API key, you just copy the provided iframe code and insert the web page, ensuring that the map is publicly accessible and not scaled to too small, ultimately enabling fast and free map embedding, suitable for any standard website.
- HTML Tutorial . Web Front-end 668 2025-08-05 14:49:21
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