Please tell me how to type the symbol =》

Please tell me how to type the symbol =》

大王叫我来巡山 2022-07-21 17:50:00 0  1  798

javascript - How can I prevent input of type=number from adding plus signs, minus signs and multiple decimal points?

Thank you in advance. I wrote an Input with type = number. Due to business needs, only numbers can be entered in this Input, and the plus and minus signs cannot be entered. I originally wanted to judge the value in the input and manually delete the plus and minus signs and redundant dots, but I foun...

给我你的怀抱 2017-05-16 13:37:46 0  6  1415

vimrc - vim cannot be used after installing the jshint plug-in. The ~ symbol appears when setting the plug-in running path. I use the win system, how can I change it?

The following is the set path. The beginning of the path is a ~ symbol, but I am using win10. Please tell me how should I modify this path so that it can also be used on win systems? {Code...} The following is a screenshot of the error message

天蓬老师 2017-05-16 16:34:24 0  2  830

javascript - When there are too many characters in the legend of echarts, how to change it into an ellipsis?

I am now making an echarts pie chart, in which the legend is dynamically generated. Sometimes more than a dozen texts are sent to the background, and the style is ugly. Now I want to achieve: when the text in a single legend exceeds 8, it will automatically change into "..." ellipsis (as s...

过去多啦不再A梦 2017-05-19 10:19:29 0  3  744

Implement different custom CSS (font color) for kable headers in continuous tables

I want a blue title and then a red title. I'm cat two HTML... parts, first blue and second red, as per this answer, but I get both red. How to get blue title and red title? ---output:html_document---```{rsetup,include=FALSE}knitr::opts_chunk$set(echo=FALSE)````{rresults="asis"}cat(&quo

P粉563831052 2023-09-01 19:53:36 0  2  583

javascript - Why are there two activeLinks in vue? I only click on one link. There should only be one activeLink.

New to Vue-. -It took me a long time to figure it out...help me! ! ~~I just want to make three icons under the footer. Click on one icon and that icon will change color, while the other icons will not change color. I saw that after clicking, an active-link is automatically added, and the style is wr...

我想大声告诉你 2017-05-19 10:36:08 0  2  648

About the usage of circumflex character '^'

<?phpheader('Content-Type: text/html; charset=utf-8');$pattern='/[^0-9A-Za-z_]/';$string='!$@!#%$#^##';if(preg_match($pattern, $string,$match)){    echo '

Will 2017-11-08 17:11:58 0  2  2481

Posted SF tracking number inquiry (full list of the charity live broadcast book delivery event on the evening of November 2, 2018)

On the evening of November 2, 2018, for the public welfare live broadcast book prize list inquiry and the steps to complete the address, please see: //m.sbmmt.com/wenda/142915.html User student number Waybill number Recipient contact person Shipping time 173660 251417658388 Zhao Enpeng &n

z老师 2018-11-16 09:56:41 0  8  4652

How to quickly enter "$" and "->" symbols in sublime text or phpstrom?

For example, to input the '$' symbol, I want to change it to pressing the letter 'A' key, and then pressing the Tab key to automatically change it to the '$' symbol. Or is there any other way to quickly input?

昨夜长风 2017-07-17 16:04:35 0  2  1638

Will use CSS to center the content and add additional content to the right of the div

How can I display the content in the center of the div and the icon on the right side. The content currently given is as follows: But I want it to be like this: the above 50% notification is in the center of the div, and the pencil icon is on the right. .w-100{width:100%;}<divclass="w-100&qu...

P粉237029457 2024-02-21 18:54:39 0  1  324

How to remove white space around icons in CSS FLEXBOX?

I'm a beginner, can someone explain me how to get rid of the blue background color around my icons when I use flexbox? I can't generalize properties of child elements to their parent elements. My code and my results I don't want to use inline-flex. Thanks

P粉765570115 2023-08-10 14:11:39 0  1  487

AJAX POST and the plus sign (+) -- how to encode it?

I'm POSTing the contents of a form field to a PHP script via AJAX and escaping using JavaScript's escape(field_contents). The problem is that any plus signs are stripped and replaced with spaces. How can I safely "encode" the plus sign and properly "decode" it on the PHP side?

P粉116654495 2023-07-17 18:42:16 0  1  458

php - Who has done the Ant Credit user authorization function?

How to encrypt? I used the SDK method. In the first step of the request, the return information said that it needs to be encrypted with the application public key. However, after looking at the SDK method, some fields are encrypted. What should I do?

巴扎黑 2017-05-27 17:42:58 1  2  882

When selecting different options, the input field type can support 20 digit rupee with rupee symbol or replaced with percentage

If the option is selected to select fixed value then the input field type is Rupee value supports only 20 digits with Rupee symbol. If percentage is selected then the rupee symbol is replaced with percentage symbol and the value type is only 2 digits to enter the value without clicking the button My...

P粉022140576 2023-08-13 18:35:32 0  1  466

User update problem

The password in the data table is SHA1 encrypted. Later, the update was re-encrypted, resulting in the inability to log in after the update. I would like to know how the teacher solved it later. It seems that it was not mentioned in the class?

拼搏奋斗 2019-08-08 09:49:51 0  1  1182

PHP newline problem

I encountered a problem while reading PHP-related tutorial books. Please forgive me for being too clumsy. Forgive me for using the book title number in capital letters instead of &lt;&gt;, otherwise the line break will be automatically displayed. echo "a: [".(20&gt;9)."]《b...

大家讲道理 2017-06-29 10:08:44 0  2  875

php replaces all symbols or spaces in the string with "-"

How can I replace all symbols or spaces in a string of words with "-", including? @%! $&* (whatever)

PHPz 2017-05-16 13:16:12 0  3  594

How to allow chrome extension to access his path and files

I'm making an Opera extension and I want to get some images stored in the extension's path. What this plugin does is, on a specific web page, change the background image URL and some icons to custom icons within the extension. However, when I run the script, everything becomes invisible, meaning it ...

P粉644981029 2024-02-26 23:12:34 0  1  805

JavaScript - Asking for advice on password regularity

/^(\w){8,50}$/ This is a regular pattern for 8 to 50 alphanumeric underscores. Now we want to add support for all special symbols (such as %@, etc.). How to modify it?

PHP中文网 2017-06-12 09:28:59 0  4  651

PHP, how to display the data with the same order number in the database into a table display of pictures

I would like to ask all the masters, how can I display the data of [same order number] in the table in the above database into a table display of the picture, and each order number forms such a table; [Use native to do it], my brother's Graduation project, please help me brothers and sisters, it is ...

Fllllll 2018-03-06 10:42:05 0  1  1341