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
-
- Are there any alternatives to PHP sessions?
- Alternatives to PHP sessions include Cookies, Token-based Authentication, Database-based Sessions, and Redis/Memcached. 1.Cookies manage sessions by storing data on the client, which is simple but low in security. 2.Token-based Authentication uses tokens to verify users, which is highly secure but requires additional logic. 3.Database-basedSessions stores data in the database, which has good scalability but may affect performance. 4. Redis/Memcached uses distributed cache to improve performance and scalability, but requires additional matching
- PHP Tutorial . Backend Development 155 2025-04-29 00:36:40
-
- Define the term 'session hijacking' in the context of PHP.
- Sessionhijacking refers to an attacker impersonating a user by obtaining the user's sessionID. Prevention methods include: 1) encrypting communication using HTTPS; 2) verifying the source of the sessionID; 3) using a secure sessionID generation algorithm; 4) regularly updating the sessionID.
- PHP Tutorial . Backend Development 818 2025-04-29 00:33:40
-
- What are the data types available in MySQL?
- MySQL data types are divided into numerical, date and time, string, binary and spatial types. Selecting the correct type can optimize database performance and data storage.
- Mysql Tutorial . Database 699 2025-04-29 00:28:51
-
- What are some best practices for writing efficient SQL queries in MySQL?
- Best practices include: 1) Understanding the data structure and MySQL processing methods, 2) Appropriate indexing, 3) Avoid SELECT*, 4) Using appropriate JOIN types, 5) Use subqueries with caution, 6) Analyzing queries with EXPLAIN, 7) Consider the impact of queries on server resources, 8) Maintain the database regularly. These practices can make MySQL queries not only fast, but also maintainability, scalability and resource efficiency.
- Mysql Tutorial . Database 235 2025-04-29 00:24:41
-
- How does MySQL differ from PostgreSQL?
- MySQLisbetterforspeedandsimplicity,suitableforwebapplications;PostgreSQLexcelsincomplexdatascenarioswithrobustfeatures.MySQLisidealforquickprojectsandread-heavytasks,whilePostgreSQLispreferredforapplicationsrequiringstrictdataintegrityandadvancedSQLf
- Mysql Tutorial . Database 423 2025-04-29 00:23:30
-
- What is the root tag in an HTML document?
- TheroottaginanHTMLdocumentis.Itservesasthetop-levelelementthatencapsulatesallothercontent,ensuringproperdocumentstructureandbrowserparsing.
- HTML Tutorial . Web Front-end 625 2025-04-29 00:10:12
-
- Are the HTML tags and elements the same thing?
- The article explains that HTML tags are syntax markers used to define elements, while elements are complete units including tags and content. They work together to structure webpages.Character count: 159
- HTML Tutorial . Web Front-end 182 2025-04-28 17:44:31
-
- What is the significance of <head> and <body> tag in HTML?
- The article discusses the roles of and tags in HTML, their impact on user experience, and SEO implications. Proper structuring enhances website functionality and search engine optimization.
- HTML Tutorial . Web Front-end 397 2025-04-28 17:43:42
-
- What is the difference between <strong>, <b> tags and <em>, <i> tags?
- The article discusses the differences between HTML tags , , , and , focusing on their semantic vs. presentational uses and their impact on SEO and accessibility.
- HTML Tutorial . Web Front-end 903 2025-04-28 17:42:16
-
- Please explain how to indicate the character set being used by a document in HTML?
- Article discusses specifying character encoding in HTML, focusing on UTF-8. Main issue: ensuring correct display of text, preventing garbled characters, and enhancing SEO and accessibility.
- HTML Tutorial . Web Front-end 899 2025-04-28 17:41:23
-
- What are the various formatting tags in HTML?
- The article discusses various HTML formatting tags used for structuring and styling web content, emphasizing their effects on text appearance and the importance of semantic tags for accessibility and SEO.
- HTML Tutorial . Web Front-end 518 2025-04-28 17:39:58
-
- What is the difference between the 'id' attribute and the 'class' attribute of HTML elements?
- The article discusses the differences between HTML's 'id' and 'class' attributes, focusing on their uniqueness, purpose, CSS syntax, and specificity. It explains how their use impacts webpage styling and functionality, and provides best practices for
- HTML Tutorial . Web Front-end 874 2025-04-28 17:39:09
-
- What is the 'class' attribute in HTML?
- The article explains the HTML 'class' attribute's role in grouping elements for styling and JavaScript manipulation, contrasting it with the unique 'id' attribute.
- HTML Tutorial . Web Front-end 808 2025-04-28 17:37:13
-
- What are different types of lists in HTML?
- Article discusses HTML list types: ordered (), unordered (), and description (). Focuses on creating and styling lists to enhance website design.
- HTML Tutorial . Web Front-end 646 2025-04-28 17:36:30
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
