Found a total of 10000 related content
How to use the datediff function in sql
Article Introduction：The DATEDIFF function calculates the difference in the number of days between two dates. Syntax: DATEDIFF(interval, start_date, end_date). interval Indicates interval units (year, month, day, etc.). start_date and end_date are the start and end dates.
2025-04-10
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421
How to encapsulate functions in vue
Article Introduction：There are three ways to encapsulate functions in Vue: 1. Use mixins to define functions in mixin files and use mixin options in components; 2. Use plug-ins to add functions to Vue prototypes and install plug-ins through install methods; 3. Use global methods to add functions to Vue prototypes through plug-ins. The selection method depends on project requirements and preferences.
2025-04-08
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834
How to use PostCSS
Article Introduction：PostCSS is a tool for converting CSS through JavaScript plug-in, and its functionality depends entirely on the selection and configuration of the plug-in. 1. It can automatically complete CSS optimization, compatibility processing and syntax extension; 2. Common plug-ins include autoprefixer, postcss-preset-env, cssnano, postcss-import and postcss-nested; 3. When used with the project, most modern frameworks have integrated support, just add postcss.config.js configuration file; 4. Pay attention to details such as browserslist configuration, environment distinction and plug-in order.
2025-07-03
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173
10 JavaScript & jQuery MVC Tutorials
Article Introduction：This article presents a curated selection of over 10 tutorials on JavaScript and jQuery Model-View-Controller (MVC) frameworks, perfect for boosting your web development skills in the new year. These tutorials cover a range of topics, from foundatio
2025-03-02
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1200
How customizable is WordPress, really?
Article Introduction：WordPress is very customized, providing a wide range of flexibility and customizability. 1) Through the theme and plug-in ecosystem, 2) use RESTAPI for front-end development, 3) In-depth code level modifications, users can achieve a highly personalized experience. However, customization requires mastering technologies such as PHP, JavaScript, CSS, etc., and pay attention to performance optimization and plug-in selection to avoid potential problems.
2025-05-11
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803
7 Pretty Cool jQuery Mobile Plugins
Article Introduction：7 awesome jQuery Mobile plug-ins to make your mobile web pages even better!
Nowadays, smartphones are equipped with efficient web browsers. We hereby recommend 7 cool jQuery Mobile plug-ins to improve the user experience of mobile devices. The following plug-ins will make your mobile device more convenient! Related articles:
4 jQuery Mobile Price Slider (Scope Selection)
50 jQuery Mobile Development Tips
jQuery Wiggle plug-in: brings shaking effects to mobile devices
jQuery Wiggle is a jQuery plug-in that can simulate the shaking of the iPhone when you hold the icon for a long time
2025-02-25
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636
Sublime Text: An Introduction to the Code Editor
Article Introduction：SublimeText is a powerful and flexible code editor that is worthy of exploration by programmers. 1) It supports multiple selection and editing, allowing multiple locations to be modified at the same time. 2) The plug-in system is rich and extensible. 3) The basic usage is intuitive, and the advanced usage includes regular expressions and macros. 4) Common errors such as plug-in conflicts can be resolved by uninstalling or adjusting the configuration. 5) Performance optimization is achieved through management plug-ins and configuration files.
2025-04-30
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819
Working with Date and Time Data Using SQL Functions
Article Introduction：The key to processing date and time data is to master common functions and their differences in different databases. 1. Get the current time: MySQL uses NOW(), PostgreSQL supports NOW() and CURRENT_TIME, SQLServer uses GETDATE() or SYSDATETIME(); 2. Extract the date part: MySQL uses YEAR(), MONTH() and other functions, PostgreSQL recommends EXTRACT(), SQLServer uses DATEPART(); 3. Date operation: MySQL is implemented through DATE_ADD() or INTERVAL, PostgreSQL uses INTER
2025-07-13
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792
What does sublime renewal balm mean
Article Introduction：Sublime Text is a powerful customizable text editor with advantages and disadvantages. 1. Its powerful scalability allows users to customize editors through plug-ins, such as adding syntax highlighting and Git support; 2. Multiple selection and simultaneous editing functions improve efficiency, such as batch renaming variables; 3. The "Goto Anything" function can quickly jump to a specified line number, file or symbol; but it lacks built-in debugging functions and needs to be implemented by plug-ins, and plug-in management requires caution. Ultimately, the effectiveness of Sublime Text depends on the user's ability to effectively configure and manage it.
2025-04-16
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1109
VSCode debugger is very slow
Article Introduction：The main reasons for the slowdown of VSCode debugger include improper selection of debug protocols, excessive breakpoints, plug-in interference, and unreasonable project structure. The optimization methods are as follows: 1. Priority is given to the use of efficient debugging protocols such as built-in JS debugger or LLDB; 2. Reduce the number of breakpoints and avoid complex conditional breakpoints; 3. Disable irrelevant plug-ins and animation effects; 4. Optimize the project structure to exclude useless file indexes. Debugging performance can be significantly improved through targeted adjustments.
2025-07-16
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174
php get age in years months days
Article Introduction：To accurately calculate age and format output, it is recommended to use PHP's DateTime and DateInterval classes. 1. Use the DateTime object to represent the date of birth and the current date; 2. Call the diff method to obtain the date difference, and automatically process the leap year and the days of different months; 3. Get the year, month and day through the $interval->y, $m, and $d attributes; 4. Avoid manually calculating the timestamp, which is prone to errors; 5. You can optimize the output format based on the remaining days and add humanized prompts; 6. The final output results are similar to "34 years, 2 months and 10 days" or "You are 34 years old this year, and you will be 35 years old in 15 days."
2025-07-06
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695
CSS Pseudo-classes: Styling Elements Based on Their Index
Article Introduction：CSS selector: Pseudo-class selection based on the position of elements in the document subtree
Core points
CSS provides a selector called a sub-index pseudo-class that matches elements based on their position in the document subtree. These include :first-child, :last-child, :only-child, :nth-child() and :nth-last-child().
The pseudo-classes :nth-child() and :nth-last-child() are functional and can accept parameters in the form of odd keyword, even keyword, integer, or An B, where A is the step interval and B is the bias Movement, n is positive
2025-02-19
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382
How to partition a table in PHPMyAdmin
Article Introduction：Partitioning a table in PHPMyAdmin can be achieved through SQL statements. First, log in to PHPMyAdmin, select the database, enter and execute the CREATETABLE statement in the SQL tab, such as CREATETABLE orders(...)PARTITIONBYRANGE(YEAR(order_date))(...) to complete the partition. Pay attention to the challenges of data migration, partitioning policy selection, performance monitoring and maintenance management in actual operations, and follow best practices such as reasonable planning of partitioning strategies, regular maintenance, backup and recovery, testing and verification.
2025-05-19
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1028
10 Popular Plugins to Extend or Enhance Your WordPress Site
Article Introduction：A practical plug-in guide to improving the functionality of WordPress websites
Key points:
WordPress plug-in can efficiently improve website functions, covering SEO tools, appointment systems, content personalization and social media automation.
Plugin selection depends on the specific needs of the website, but some plugins such as wpDataTables, Amelia, NextGEN Gallery, Rank Math SEO, and Logic Hop are powerful and suitable for a variety of scenarios.
Using plugins not only saves time and effort, it also expands website features, improves user experience, and may improve site performance and ranking.
This sponsored post was created by our content partner BAW Media. Thanks you
2025-02-08
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1212
mysql date_add function
Article Introduction：MySQL's DATE_ADD function is used to add a specified time interval to a date or time value. Its basic syntax is DATE_ADD(date,INTERVALexprunit), where date is the original date or time, INTERVAL is the keyword, expr is the increased number, and unit is the time unit such as DAY, MONTH, etc. 1. It is often used to calculate future time points, such as one day's reminder after registration, member validity period, etc.; 2. It can be used in combination with other functions, such as using CURDATE() to obtain yesterday's data, or NOW() to query future appointments; 3. When using it, you need to pay attention to the correctness of the date format, unit spelling, negative number use and cross-month/year boundary issues. Mastering this function helps
2025-07-13
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688
WordPress Multilingual Conversion
Article Introduction：WordPress Multilingual Conversion Solution Selection Guide: Plug-in Solution: Easy to install, but limited performance and high cost. Multi-site solution: good performance, but complex management, SEO needs to be handled separately. Custom code solution: Flexible and best performance, but high development costs and requires strong technical capabilities. Advanced Usage: SEO Configuration: Tell search engines multilingual version relationships through the hreflang tag. Common Errors: Language Conflict: Different plugins or topics cause display errors. Best practices: caching, database optimization, code optimization, CDN acceleration. Core answer: WordPress multilingual solution selection depends on the website size, budget, technical capabilities and actual needs.
2025-04-20
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626
What are some lesser-known but useful features of Sublime Text?
Article Introduction：SublimeText has many practical but easily overlooked features. 1. Multiple selection and quick editing: supports multi-cursor operation, splitting and selecting rows, batch modifying the same words to improve the efficiency of processing duplicate content; 2. Fuzzy search expansion function: can jump function definition, specify line number, and global search symbols to facilitate navigation of large projects; 3. Automatic saving and project recovery: no manual saving, it can automatically recover after crash, retaining the multi-task working state; 4. Custom shortcut keys and plug-in extensions: Install plug-ins and custom shortcut keys through the command panel to significantly improve personalized editing efficiency.
2025-07-08
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660
