current balance = Last balance + income-Expenditure how can the performance of details become like this time-transaction type-income expenditure-available balance 2018-03-13-Buy-100270 2018-03-12-sell-50-370 2018-03-11-recharge -50,320 2018-0...
I know that the OAuth2.0 protocol receives code, from the client and uses code in exchange for token and openID in the background, but I don t quite understand. When you see QQ logging into these third-party api, you can directly obtain token and openI...
I will write a website, after submitting the form on the website, store the relevant information about the form in the back-end database, and then reorganize the home page of the website. Read the content from the database to change the content of the ho...
problem description I just used the powerful plug-in Grafika . After all, I typed the Chinese font into the picture, and the picture is still displayed in the frame. the environmental background of the problems and what methods you have tried 1. ...
when I install homestead of laravel, I run vagrant up error, indicating that the version installed is too small. I don t know which version needs to be updated. operating environment: win7 64bit + vagrant2.1.2 + virtualbox5.2.18 procedure: follow th...
function test($arr) { return $arr; } $arr = [1111]; test($arr); debug_zval_dump($arr); c implementation code of test: PHP_FUNCTION(test) { zval *arr; ZEND_PARSE_PARAMETERS_START(1, 1) Z_PARAM_ARRAY(arr) ZEND_PARSE_PARAMETERS_EN...
js Code: var socket = new WebSocket( ws: 47.94.80.240:12345 ); socket.onopen = function (evt) { console.log("socket"); var mes = { type: 1 } socket.send(JSON.stringify(mes)); }; part of php code: publi...
UPDATE kt_accbalance SET accbalance_ep = CASE user_id WHEN 10001 THEN accbalance_ep + 8 WHEN 10002 THEN accbalance_ep + 5 WHEN 10004 THEN accbalance_ep + 3 WHEN 10006 THEN accbalance_ep + 10 WHEN 10039 THEN accbalance_ep + 100 END WHERE user_id I...
I would like to ask , for example, how to make a website how to let users automatically issue a registration code to users through Wechat s top-up charge, and how to design and write the ideas recommended by bosses who have done it. Thank you ~ ....
read about CROS on the Internet, probably understand the flow of non-simple requests. first Options the request, and then after the negotiation is successful, after the formal request. nothing can be done. Do a hand-holding party I customized two va...
$mail->Subject = .$row[ name ]. ; $mail->Body = xxx ; $mail->AddBCC($row[ email ]); I want to send more than one person using a while circle now there is a problem is sure to send it to more than one person, all...
php implements iterator only needs functions such as spl_iterators and next key current. In terms of source code, -sharpifdef HAVE_PCRE -sharpinclude <ext spl spl_iterators.h> -sharpendif -sharpifdef HAVE_PCRE static PHP_METHOD(swoole_table, rew...
problem description php some interfaces may take a long time to be called, and you want to solve it asynchronously, so you want to solve it in a multi-threaded way. Google looked up the sample code in readme.MD after the pThread, installation. It is s...
problem description A set of interfaces developed by tp5 and a mall for multi-end use are intended to make interface version division. The situation is as follows: API code, PC side and WAP side should be placed under the same tp5 application, beca...
I encountered a mysql problem during development. I have multiple tables, there are relationships between multiple tables, and each table has a separate sort. The hierarchical relationship of the four tables course > course_level > course_unit > course...
Code: Set < SearchFieldsEnum > searchFields = new HashSet < SearchFieldsEnum > (); searchFields.add (SearchFieldsEnum.USER_ID); question: how to implement this code with php? ...
has been playing the game of NetEase. Today, I suddenly feel that the general order of NetEase is very interesting. Do you know how to realize this thing? how can Synchronize correspond to the number of your mobile phone and your account even if you don ...
< eq name= "{: C ( login_verify )} " value= "1 " > this makes an error ...
want to ask a question see what everyone does suppose there is an item < 1 the user sets up a list after buying item A, and uses the relational database to find 1 and then go to the information table product to introduce purchased goods suppose one...
the database has 200000 pieces of data. Use php to read all of them. If you only read id or name columns, you can print them out by print_r. If you read all columns, you can t print them, and if you read all the columns, you can t print them, and the...
The granularity of the data stored in the table is relatively fine, so you need to make statistics according to the two fields in the table. select B.col2,count(col2),sum(t.num) from ( select col1,col2,count(col3) as num from A where A.stat...
for a class that has introduced namespace through use, why can t it be found without namespace when calling dynamically through variables (that is, why code snippets 1 and 2 prompt "class A not found ") <?php namespace aaa; class A { publi...
https: codepen.io niusz pen . When using negative margin, I found that if I didn t use negative margin on .left to get it up first, I wouldn t go up no matter how much,. Right I had for .right negative margin. Why is that? ...
because the request header cannot be set, the token cannot be set to complete the task through the Authorization request header. Can you identify the task by passing parameters to the background ...
host: www.xx.com , port: 8080, I can start the project, but I can t access the site when it opens, and my native host file 127.0.0.1 has also been changed to www.xx.com. May I ask what s going on ? ...