current location：Home > Technical Articles > Daily Programming
- Direction：
- All web3.0 Backend Development Web Front-end Database Operation and Maintenance Development Tools PHP Framework Daily Programming WeChat Applet Common Problem Other Tech CMS Tutorial Java System Tutorial Computer Tutorials Hardware Tutorial Mobile Tutorial Software Tutorial Mobile Game Tutorial
- Classify：
- PHP tutorial MySQL Tutorial HTML Tutorial CSS Tutorial
-
- Implementing Core Algorithms in PHP with the Versatile For Loop
- Linearsearchusesaforlooptoiteratethrougheachelement,returningtheindexifthetargetisfound,otherwise-1.2.Bubblesortemploysnestedforloopstorepeatedlycompareandswapadjacentelementsuntilthearrayissorted.3.Factorialiscomputediterativelywithaforloopmultiplyi
- PHP Tutorial . Backend Development 692 2025-08-02 13:51:01
-
- MySQL and Docker: Containerizing Your Database Deployments
- Running MySQL with Docker simplifies environment configuration and enables rapid deployment and scaling. 1. Quickly start a standardized MySQL environment through mirroring, supporting version control; 2. Use docker-compose to build multi-service applications, suitable for microservice architecture; 3. Set root password, port mapping and data mount when starting containers; 4. It is recommended to mount local directories or use named volumes; 5. Back up data regularly and avoid multiple containers sharing the same data directory; 6. You can connect to the database through client tools or container commands, pay attention to firewall and remote access rights configuration.
- Mysql Tutorial . Database 160 2025-08-02 13:48:01
-
- How to use the data-* attributes in HTML for custom data
- The data-attribute is a feature in HTML5 used to store custom data on standard elements and does not affect the page layout; 1. Use the data-attribute to store private data on HTML elements, such as data-user-id; 2. Accessed through JavaScript's dataset attributes, such as element.dataset.userId; 3. You can also use getAttribute and setAttribute operations; 4. It can be used in CSS through attribute selector or attr() function; 5. It should avoid storing sensitive information, not abuse, or using style logic, and maintaining name semantics. These properties provide a flexible and semantic way of data delivery for scripts
- HTML Tutorial . Web Front-end 934 2025-08-02 13:44:02
-
- Safe and Sound: Null-Safe Patterns for Accessing Array Elements
- Alwayscheckifthearrayisnullandnotemptybeforeaccessingelementstopreventruntimeexceptions.2.UsereusablehelpermethodslikesafeGettoencapsulatenullandboundschecks,improvingcodeclarityandreducingduplication.3.LeverageOptionalinJavatomakenullsafetyexplicit,
- PHP Tutorial . Backend Development 754 2025-08-02 13:27:01
-
- Efficiently Removing Multiple Elements from a PHP Array
- To efficiently remove multiple elements in the PHP array, you should choose the appropriate method according to the removal conditions: 1. Use array_diff() to remove elements through values, which is suitable for deletion of known values in one-dimensional array, pay attention to the key name retention, and use array_values() to re-index; 2. Use unset() loop or array_diff_key() to remove elements through keys. The former is simple and efficient, while the latter needs to be used to implement functional programming style with array_flip(); 3. Use array_filter() to filter elements according to conditions, such as removing empty values, non-strings or items that meet specific logic, return false to indicate removal, and true to indicate retention; 4. Use array_un
- PHP Tutorial . Backend Development 542 2025-08-02 13:22:01
-
- How to use the CSS :focus-within pseudo-class?
- :focus-within style is applied to the parent element when the element obtains focus or any of its descendants obtains focus; 1. Can be used to highlight the form container when the input box obtains focus; 2. Can be used to expand the pull-down menu when the button or link obtains focus; 3. Can enhance the accessibility of complex controls such as combo boxes to provide visual feedback; it should be noted that it does not support IE and will only take effect if the element is focused or has a tabindex.
- CSS Tutorial . Web Front-end 631 2025-08-02 13:16:01
-
- Strategic Array Combination: Preserving Keys with the Union Operator
- Using PHP's union operator ( ) can effectively merge arrays and preserve key names, especially for associative arrays. 1. The union operator shall be based on the key value of the left array, and shall be added only if the key of the right array does not exist on the left; 2. This feature is suitable for configuring merge scenarios, such as filling in missing items configured by the user with default values, and will not overwrite existing settings; 3. For index arrays, array_merge() should be used instead of the union operator, because the numeric keys will conflict, causing the right element to be ignored; 4. When using it, the default array should be placed on the right, supporting chain operations and not modifying the original array; 5. Ensure that all operands are arrays to avoid warnings. Therefore, when it is necessary to preserve existing key values and only fill in voids, the union operator is the best choice.
- PHP Tutorial . Backend Development 374 2025-08-02 13:10:02
-
- Optimizing MySQL for Customer Support Ticketing Systems
- TooptimizeMySQLforaticketingsystem,useInnoDBasthestorageengine,implementstrategicindexing,tuneconfigurationparameters,designascalableschema,andperformregularmonitoringandmaintenance.First,switchtoInnoDBfortransactionalsupportandrow-levellockingbysett
- Mysql Tutorial . Database 765 2025-08-02 12:50:02
-
- How to use the HTML article tag for content
- Thetagisusedforself-contained,independentlydistributablecontentlikeblogposts,newsarticles,comments,orreviews;2.Itshouldbeusedwhencontentmakessenseonitsown,canbesyndicated(e.g.,inRSSfeeds),andhasitsownauthororpublicationdate;3.Nestingelementsisappropr
- HTML Tutorial . Web Front-end 685 2025-08-02 12:41:02
-
- A Performance Deep Dive: Analyzing do-while Loop Overhead in PHP
- Theperformanceoverheadofado-whileloopinPHPisnegligibleundernormalconditions.2.PHPcompilesloopsintobytecodeexecutedbytheZendEngine,anddo-whileandwhileloopsgeneratenearlyidenticalopcodeswithmicroscopicdifferences.3.Benchmarking1millioniterationsshowsno
- PHP Tutorial . Backend Development 359 2025-08-02 12:39:01
-
- Implementing MySQL Data Lineage Tracking
- The core methods for realizing MySQL data blood ties tracking include: 1. Use Binlog to record the data change source, enable and analyze binlog, and trace specific business actions in combination with the application layer context; 2. Inject blood ties tags into the ETL process, and record the mapping relationship between the source and the target when synchronizing the tool; 3. Add comments and metadata tags to the data, explain the field source when building the table, and connect to the metadata management system to form a visual map; 4. Pay attention to primary key consistency, avoid excessive dependence on SQL analysis, version control data model changes, and regularly check blood ties data to ensure accurate and reliable blood ties tracking.
- Mysql Tutorial . Database 299 2025-08-02 12:37:01
-
- Advanced Conditional Logic: Combining Nested Ifs with Logical Operators Effectively
- Uselogicaloperators(AND,OR,NOT)tosimplifyconditionsandavoidunnecessarynesting.2.ApplynestedIFsonlyforhierarchical,sequentialdecisionslikegradingsystems.3.CombinenestedIFswithAND/ORformulti-factorrules,suchasloanapprovalbasedonincomeandcredit.4.Avoidd
- PHP Tutorial . Backend Development 628 2025-08-02 12:36:01
-
- How to use the HTML picture element for art direction
- Theelementisusedforartdirectiontodeliverdifferentimagesbasedonscreensizeorlayout.1.Itcontainselementswithmediaqueriestospecifywheneachimageshouldbedisplayed,endingwitharequiredfallback.2.Commonusecasesincludemobilevs.desktopcropping,orientationchange
- HTML Tutorial . Web Front-end 715 2025-08-02 12:33:02
-
- A Deep Dive into PHP's Array Append Mechanisms Under the Hood
- Whenyouuse$array[]=$valueinPHP,theZendEngineappendsthevalueusingthenextintegerkey,determinedbythecachednNextFreeElementintheHashTablestructure,startingfrom0foremptyarrays.2.Theoperationbeginswithopcodeexecution(e.g.,ASSIGN_DIM),followedbyacheckforwri
- PHP Tutorial . Backend Development 749 2025-08-02 12:19:00
Tool Recommendations
jQuery enterprise message form contact code
jQuery enterprise message form contact code is a simple and practical enterprise message form and contact us introduction page code.
form button
2024-02-29
HTML5 MP3 music box playback effects
HTML5 MP3 music box playback special effect is an mp3 music player based on HTML5 css3 to create cute music box emoticons and click the switch button.
Player special effects
2024-02-29
HTML5 cool particle animation navigation menu special effects
HTML5 cool particle animation navigation menu special effect is a special effect that changes color when the navigation menu is hovered by the mouse.
Menu navigation
2024-02-29
jQuery visual form drag and drop editing code
jQuery visual form drag and drop editing code is a visual form based on jQuery and bootstrap framework.
form button
2024-02-29
Organic fruit and vegetable supplier web template Bootstrap5
An organic fruit and vegetable supplier web template-Bootstrap5
Bootstrap template
2023-02-03
Bootstrap3 multifunctional data information background management responsive web page template-Novus
Bootstrap3 multifunctional data information background management responsive web page template-Novus
backend template
2023-02-02
Real estate resource service platform web page template Bootstrap5
Real estate resource service platform web page template Bootstrap5
Bootstrap template
2023-02-02
Simple resume information web template Bootstrap4
Simple resume information web template Bootstrap4
Bootstrap template
2023-02-02
Cute summer elements vector material (EPS PNG)
This is a cute summer element vector material, including the sun, sun hat, coconut tree, bikini, airplane, watermelon, ice cream, ice cream, cold drink, swimming ring, flip-flops, pineapple, conch, shell, starfish, crab, Lemons, sunscreen, sunglasses, etc., the materials are provided in EPS and PNG formats, including JPG previews.
PNG material
2024-05-09
Four red 2023 graduation badges vector material (AI EPS PNG)
This is a red 2023 graduation badge vector material, four in total, available in AI, EPS and PNG formats, including JPG preview.
PNG material
2024-02-29
Singing bird and cart filled with flowers design spring banner vector material (AI EPS)
This is a spring banner vector material designed with singing birds and a cart full of flowers. It is available in AI and EPS formats, including JPG preview.
banner picture
2024-02-29
Golden graduation cap vector material (EPS PNG)
This is a golden graduation cap vector material, available in EPS and PNG formats, including JPG preview.
PNG material
2024-02-27
Home Decor Cleaning and Repair Service Company Website Template
Home Decoration Cleaning and Maintenance Service Company Website Template is a website template download suitable for promotional websites that provide home decoration, cleaning, maintenance and other service organizations. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-05-09
Fresh color personal resume guide page template
Fresh color matching personal job application resume guide page template is a personal job search resume work display guide page web template download suitable for fresh color matching style. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-29
Designer Creative Job Resume Web Template
Designer Creative Job Resume Web Template is a downloadable web template for personal job resume display suitable for various designer positions. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
Modern engineering construction company website template
The modern engineering and construction company website template is a downloadable website template suitable for promotion of the engineering and construction service industry. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
