problem description my regular expression has always been a blind spot. I hope my friends can help write a regular expression to extract the title, picture link, article link and description of the following web page. Thank you here! regular web pag...
$name = $email = $gender = $comment = $website = " "; if ($_ SERVER [ "REQUEST_METHOD "] = "POST ") { $name = test_input ($_ POST [ "name "]); $email = test_input ($_ POST [ "email "]); $website = test_input ($_ POST [ "website "]); $comment = te...
for example, 0386 will be displayed as 386 can not be displayed even if the tool is converted to xls ....
Front-end page A DIV default display:none, page JS sends AJAX and then the request to the parameter shows that there are two input in the DIV of DIV,display:block; shows that several are judged by the returned parameters. If 1 is returned, one is disp...
querylist3.0, is adopted because of php version 5.6. but there is a problem: when the collected data reaches a certain amount (such as the first), php, the second), php will report an error. The location of the: The received content is empty, error is t...
A mall has a cache on its system interface, but it is impossible for app to reload data every time it changes pages. such as Banner diagram article list, the current practice is to add storage time to Banner data in nedb or localstorage ; det...
set up a svn server on Aliyun. After a successful connection, you can also upload files, but you did not export the files in this folder, and the uploaded files are not in this directory, and the files I uploaded were not found at all! ip ...
for example, define a data model class Employee class Employee extends thinkModel then add a public static function Search () to the class use the where () method when querying, and then return the paged data model object. < hr > but there is a ...
in a task table, a task can be received by multiple users, and a user can receive multiple tasks, then a user can publish multiple tasks. There is an one-to-many relationship and a many-to-many relationship. So how can this data table be built reasonably...
* excel table export @ param string $fileName file name @ param array $headArr header name @ param array $data data to be exported @ author static7 * function excelExport ($fileName = , $headArr = [], $data = []) { $fileName .= &quo...
only admin users who send messages in Aurora im have this permission, so why do ordinary users still need to register, and ordinary user face messages can not be sent? why? ...
< hr > cat usr local var log nginx access.log|sort -nrk9|head -2 < hr > what I wonder about is sort-nrk9; -nrk. I know what this 9 means. What does this 9 stand for? here is the format of nginx log . log_format main $remote_addr - $remote_user [$...
there is $serv in the callback function of swoole, such as onOpen onMessage, but what if you want to push a message to the client somewhere else? used to use $serv- > push ($fd,$data); but how to solve this if serv doesn t exist anywhere else? ...
I ve heard that the mecab participle is easy to use. I d like to try it, but I can t download it and ask for a copy from the passing Gang. Thank you official website address http: taku910.github.io meca. Windows address https: drive.google.co...
$mail->Body = ; when I find that I want to send a letter, I will write a whole html + css phrase, and then add a php phrase like: $mail->Body = <html> <head> .$phpmailerCssStyle. < head> <body...
the current problem is that no matter which page you visit, the display is the home page, and only the link in the address bar is changing . here is a screenshot of my configuration, location ~ .* .(gif|jpg|jpeg|png|bmp|swf|js|css|mp4|doc|docx|ppt|pp...
laravel using scheduled tasks requires adding crontab information in the form of artisan schedule:run > > dev null 2 > & 1 on the server. Can you add more than one piece of this information? the project I am working on now needs to use a scheduled...
I have read some articles. There are generally two ways to deal with token expiration by separating items in front and back end, namely, re-login after expiration and refreshing token renewal. 1. Log in again after token expires; Operation points ...
$this->widget( Widget_Contents_Page_List ) -> to($pages); the above code can get open independent pages, but can not get hidden independent pages, how to get all independent pages? ...
recently made a web version of the chat room, want to customize the format of the mobile phone keyboard, that is, according to their own layout to design, I would like to ask you have any good ideas or examples for reference, thank you! ...
could you trouble the gods to explain the following with code? A lot of people found on the Internet say that the feeling of prototype chain is not easy to understand. if you want to implement an add function, how do you do it? ...
because the audio file is too long for users to listen to at one time, I hope users can listen to it directly from what they have heard next time, but the seekTo () method is invalid because my audio file is encrypted by AES. ...
how to solve this problem, ask for advice ...
want to start to build a nodejs micro-service system. There is not much information on the Internet. Have any experts actually done it? what are the technology stacks needed to ask for help? what are the good examples? refer to ....
use JS to LeetCode, to question 6 ZigZag Conversion report an error TypeError: Cannot read property push of undefined ** * @param {string} s * @param {number} numRows * @return {string} * var convert = function(s, numRows) { var rowArra...