edusoho online classroom source code, who has done secondary development or research ah? The colleagues around me have asked everywhere, but Baidu can t find out. When logging in, the code to verify the password is in a file? A big god to save it! The s...
now there are two tables, as shown in the figure the question is: how do I write a sql statement to query the data that contains a field (user_id) in Table 2 (m_top_user_list)? Thank you ~ ...
problem description APNs push returns { "reason ": "MissingProviderToken "} even though the PEM certificate is provided. the environmental background of the problems and what methods you have tried after carefully confirming the official document...
just encountered a very unclear problem: -sharp B.php ... die("AAAA"); require_once __DIR__ . " .. public A.php"; die("b"); ... can die () come out. I wonder if there is anything special about this package of files, be...
now APP, which has made a news, has a video column, just like the video column in Tencent News s APP, but a video may be dozens or hundreds of megabytes in size, and your server will be full soon. It is not realistic for a small APP to keep expanding it...
problem description when you add a layer in the middle of the MVC to pass parameters from the controller to this layer, do you want to pass the value with a fixed parameter, or do you instantiate it and save the value to the property of the object? Is...
you need to count the sum of price and number by time grouping and take out the values of the first price and the last price in the group . I haven t been able to find the corresponding method for a long time. I hope you can guide me . ...
one of my programs will initiate a http request to another project, using the file_get_content function. I need to make sure that the request is made, but I don t need to return a result. Can I set the file_get_content timeout to 1 second? Because of th...
Can variables be created in Smarty templates? We generally define the assign variable in the php file, and then use the defined variable in the corresponding template .tpl . so can we define variables in the .tpl template? ...
mysql version 5.7 question 1: add an index to a field of numeric type: if the date is stored as int, can you add an index to the date in such a way as index or key? index (field name)? question 2: whether to use index or key to index the plastic ...
id name relation 1 n1 r1 2 n2 r2 3 n4 r1 4 n5 r1 5 n6 r2 6 n6 r1 the relation relationship of the table is shown above where the relation field indicates the relationship between the cur...
I have two sites, and after they log in, they will generate a token, to determine whether the authentication is successful. The next API request can be made with token, or only if it is required. but how can I achieve token sharing between the two sit...
problem description Does the stored procedure of mysql automatically start a transaction the environmental background of the problems and what methods you have tried the problem is that there is a piece of code that opens the transaction, and the ...
the name of the operator (that is, the name of the recorder) when the employee under the department is added through the department multi-table. existing one one_id tow_idID tow tow_idID name tows_id(IDID) SQL select c.name f...
now, I receive a video stream and display it via video if the video stream is sent from a mobile phone, it is vertical, but if it is sent by a tablet, it is a rectangular . excuse me, how to control the size of this display? is there any way to ...
after the user logs in, the token sent from the backend is stored locally (localStrong, cookie or memory) assuming that when A gets the token, of B, A with the token of B can pretend to be B. is that so? ...
I need to display many pictures on one page. I specify the length and width of each img tag in order to be neat and beautiful, but the ratio of length to width of each picture may be inconsistent, which leads to serious stretching of the image. Can I si...
$public_prod_id = C .rand(1000000000,9999999999); $_SESSION[ public_prod_id ] = $public_prod_id; $exist = mysqli_num_rows($pdo->query( "SELECT * FROM `product` WHERE `public_prod_id` = {$_SESSION[ public_prod_id ]} &q...
problem description you need a link to curl in your work, and you need to log in before you can return the key fields. Previously, it was directly curl, and then accessed with the saved cookie file, but only 20 results were returned per page, and it w...
use this code mqqwpa: im chat?chat_type=wpa&uin=123456&version=1&src_type=web&web_src=oicqzone.com to call qq chat, pop-up prompt: Web page request to open QQ sure to open? If you cancel at this point, the online customer service at the click of the web...
question 1. The project is a chat application, which needs to display the latest news in the chat window in real time. Using the scrollIntoView method id div for bottom, I want to put it at the bottom. As long as it can be displayed, other chat message...
When pipenv manages the environment, there is an entry in pipfile [requires] python_version = "3.7" is there a syntax to write , for example, if the python version is greater than or equal to 3.5? ...
A project you are working on requires rich text functionality, which is transcoded using the encodeURIComponent method when you submit, but will the browser automatically decode it when you send a request? meeting description has been converte...
I use Jupyter Notebook to crawl the url, of the picture I need to save, but use urllib.request.urlretrieve () to save the picture locally, the picture has no content, and the url is opened with no content (the same as I saved locally), but open with goo...
<template> <div> <div> <nuxt-link class="test" :to="{ path: testNuxtLink 1 }" :key=" a ">< nuxt-link> <br > < div> <div> <nuxt-link c...