has a set of data, write it to txt, and then download the txt file how should this be implemented ...
data table design php: ...
dynamically defines the route of a get request, which is OK without parameters, but not with dynamic parameters id ...
partial code: find a regular or other solution: _ 0x begins with a non-numeric or alphanumeric end, or 0x begins with a non-numeric letter, or x begins with a non-numeric letter (all three are global matches) ...
< H1 > problem description < H1 > I use the hash table to represent the people on the seat (key represents the seat position, value is the specific uid), and then use hsetnx to process the concurrent seat. but there is a problem that, after the seat ...
recently I am doing a mall type DEMO, like JD.com Taobao and so on. For example, in the commodity details page, in addition to some relatively fixed fields in the head, such as product name, price, profile, and so on, there are also commodity details. T...
$register->add($register::onWorkerStart, function ( swoole_server $server, int $workerId) { var_dump( worker: . $workerId . start ); }); Di::getInstance()->set("REDIS"...
topic description how to add the same key values in a two-dimensional array sources of topics and their own ideas add up the sum of a hid with the same two-dimensional array do it yourself $array=[]; foreach ($arr as $k=>$v){ ...
according to the Wechat development documentation, I have obtained the user list { "total ": 2, "count ": 2, "data ": { "openid ": [ "OPENID1 ", "OPENID2 ", "OPENID3 ", "OPENID4 ",.]}, "next_openid ": "NEXT_OPENID " } is to get a lot of o...
rule (the result of formula calculation is the ranking of topic heat): : I would like to ask how such a requirement can reduce the consumption of server performance, can you tell me about the solution? ...
now the official account is authorized to a third party, and the administrator only needs to scan a QR code to complete the authorization. how is this implemented, and it is not found in the developer documentation- ...
how does php verify that the properties of a class are private? Don t use reflexes. ...
can the access_token of the official account be saved in Session whether each user s Session is independent of each other, and each user will get access_token once where does access_token exist under normal circumstances ...
problem description added a new page to the site and uploaded it to FTP, then how can it be displayed on the site? the original interface displays index.html, and another page is changed to index1.html. It is hoped that the two faces can be switched ...
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if I only use cookies for verification, what is the optimization and can I make up for it? where is session better than cookie? Please give me some advice, thank you! ...
for example, I want to develop an APP with chat and moments, the back end is in PHP language, and the front and back ends are separated, and what framework is more suitable to use? at present, all I know is thinkphp, lumen and other frameworks that are m...
is developing a Wechat step-by-step purchase project. How to design the database structure? ...
now there are three roles: general factory, middleman, and customer. the framework I use is the laravel framework I have built three middleware: BackendRole.php function: only allow factory access ShopRole.php function: only allow middlemen ...
code to achieve the function is to query the uploaded directory under the picture in the database if not deleted, I wrote the code as follows, in the local test when the picture is relatively few can be uploaded to the server, because the server has mor...
Is just a difference in writing ...
basic information: The datasheet has almost 10 million pieces of data, using the mycat sublibrary. the indexes in the data table are PRIMARY id AppName (AppName, custidStatus, channel) the table creation statement is as follows CREATE TABLE...
The code is as follows. I want to broadcast the five pictures in turn and then play them in a loop. How to achieve this? ask for help, boss. Thank you . <div class="prologue"> <div class="prologue__end"> <d...
as seen in a development tutorial, the blogger did not mention why the signed right shift is used here, and it is still 0 bits, because it is generally used to move 0 bits to the unsigned right to convert numbers into unsigned integers. ...
what exactly does mysql.sock store? mysql.sock is generally used to connect to databases locally as a socket for mysql , which is faster than TCP IP connections. It is usually placed under the tmp mysql.sock directory. Let s first take a loo...