can anyone tell me about it? ...
for example, I have two online servers as follows: 1.web server environment centos+nginx+php+mysql, upload picture program on this server 2. Picture server environment centos+nginx I would like to write a php upload picture program on the web serve...
the server system is centos with pagoda panel php version is 7.2 the specific code is as follows ". attachment qrcode user " $path=". attachment qrcode user"; if(!is_dir($path)){ mkdir($path,"0777",1); } 1.txt 1. The ...
in the case of high concurrency such as flash sale activity, we use the redis function rpush,lpop to implement queue processing. Why do you always use rpush to put requests in the queue first, such as rpush.php, ? $arr = array( h , e , l , l , ...
for example, I have a variable that needs to store a list of online users. I declare a global variable directly in the swoole server file and store the information of each online user in the form of a two-dimensional array. Swoole itself is resident in m...
M664.261517.521c0meme 6.627-5.372Magi 12-12H520.826c 12V386.087c0 6.627Magi 0-12-5.373-12-12V386.087c0-6.627Magi 5.373-12h131.435c6.628Magi 12M664.261517.521z if the above is a d attribute in a path tag, now it is necessary to separate these values into...
this is the time in my database, it s a timestamp, I want to search or SQL statement search out the update_time field of the current month or the 1st-31st of a certain month ...
what if a token is valid for 7 days and the token expires at the moment a user chooses to buy an item and submits an order? ...
our website is configured in this way (assuming the domain name is abc.com): PC version https: abc.com mobile https: m.abc.comPC version uses QR code to scan payment, mobile version uses H5 payment (wake up Wechat from the browser). callback addre...
I want to use the A URL jx.mh87.cn vip 213.htm to make a page for spiders. If it s not a spider, jump to another page, how not to be caught by the spider that I made a black hat SEO ...
how do I invoke symfony s doctrine service to operate the database within a socket service? php website project done with symfony framework needs to use websocket service. The service written by socketio is started on the command line. Now it needs t...
as shown in the figure, it just tells me that a test has been skipped, but does not tell me which test method has been skipped. What should I do? is there any way to make it show the skipped method? ...
routing: Route::post( api :version address$ , api :version.Address createOrUpdateAddress ); constroller: create Or update userAddress public function createOrUpdateAddress() { (new AddressNew())->goCheck(); $val...
want to do the function of taking an order like Didi, for example, how do I click on the order and then the system automatically dispatches it to me? do the gods have any good ideas? thank you ...
if($request->isPost()){ $file =input( post.avatar ); if(!$file){ $this->error( csv,xls,xlsx ); } $filePath = ROOT_PATH . DS . public . DS . $file; if (!is_file($fi...
1. For example, for N sales orders, I want to count the sales of each item every day, but if I use sum () to sum, I will delete all my other fields. Is there any way to keep the fields and sum 2. Raw data $data = array( array( ...
the problem we are facing now: opening the home page of the website requires statistics of a lot of tables, and each temporary summary will be very slow. if you do a data statistics function alone, you will need a lot of extra workload and redundant d...
problem description ask the boss for help to write a regular expression Raw data: < H3 > [5RU 1.000 dint 5RU 2.400] I feel basically shaking. He sings. output result: 1.000 2.400 I feel basically shaking. He sings. want to match the above ...
the website made by myself has been attacked by others to visit a certain page or a certain method to make the website run very slow. how can such an attack be effectively prevented? Is there any other way to upgrade the server? thank you ...
problem description file_put_contents () failed to open stream:No such file or directory the environmental background of the problems and what methods you have tried data link: https: learnku.com laravel t... related codes Please paste th...
problem description CDDCCD the environmental background of the problems and what methods you have tried related codes Please paste the code text below (do not replace the code with pictures) what result do you expect? What is the error...
problem description I added an id, to the input input box and then pressed enter to trigger a js event in which the input input box lost focus, but why didn t it take effect? the environmental background of the problems and what methods you have tr...
lua-rectangle [master] ll total 32 -rw-r--r-- 1 zhangwei staff 15B 11 27 15:04 README.md -rw-r--r-- 1 zhangwei staff 352B 11 27 15:15 lua-rectangle-0.1-1.rockspec -rw-r--r-- 1 zhangwei staff 770B 11 27 15:15 lua-rectangle-0.1-1.src.rock -r...
problem description the front end uses ajax to send the picture in base64 format, which can be saved successfully, but somehow one more picture is generated. related codes ...
I don t understand why the letter A runs to the front. Why does the (RTL), add the < bdi > tag to precede the last letter when the direction is from right to left? Please wake up! ...