Asksearch_php.cn

Community Learn Tools Library Leisure

English

Popular searches：
PHP
MySQL
jquery
HTML
CSS

Is it semantically correct to use the <math> tag to write chemical equations?

I've been writing a chemical equation in an HTML file using elements. For example, to display MnSO4, I would enter: <math><mi>M</mi><mi>n</mi><mi>S</mi><msub><mi>O</mi><mn >4</mn></msub></math&gt

P粉896751037 2023-09-03 22:02:28

Updates a cell in a specified row and unspecified column with content containing a specific string

I have a table with the following columns: name-course1-course2-course3. The two rows look like this: John-physics-math-artSara-math-chemistry-psychology Now that John has been kicked out of math class, I want to replace "math" with "none" in his row. When I looked for a solution...

P粉197639753 2023-09-05 00:22:58

Alias routing prompt parameter error

think\Route::rule('add/:n/:m','index/demo/add'); This address is ok to access tp5.com/add/5/6. think\Route::alias('math','index/demo'); // Change to alias route and visit tp5.com/math/add

电动小老虎 2017-11-16 20:10:58

Math problem with JS?

Found the problem, thank you all

伊谢尔伦 2017-05-19 10:42:08