for example, why can the max () method be called $this- > max ( id ) as well as statically self::max ( id ) ? ...
SELECT * FROM user_order as c LEFT JOIN product_order AS b ON c.order_id = b.order_id LEFT JOIN product AS a ON a.prod_id = b.prod_id WHERE c.id = 16 too expensive my user_order list has name, id my product_order also has i...
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is when you click to jump to the PHP page that is paid for by scanning the code, it is possible to run it in the test environment, but 500 errors are reported during the server test. Is it the configuration of the server? How do I configure it? ...
@OnlyViewSG : later used yum install php-xml and yum-- enablerepo remi install php-xml , both of which failed to install. Finally, another great god proposed to use yum install-- enablerepo=remi--enablerepo=remi-php56 php-xml and succeeded...
phpstudy configuration apache and mysql display enable the service, and the command line connection can also be connected, but the following statement shows that the connection cannot be made in php: $con = mysqli_connect ( "localhost ", "root ", "roo...
I have my own server domain name. When I do Wechat development, I have to upload it to the server every time. I can debug it with Wechat developers. I checked the mapping, but I don t quite understand it. Online users like natapp are used when there is ...
I am doing a file data writing function. I need to read all the data in the file first, use regular processing, and then merge with the data transmitted through GET in the client form to write to the file. But I have encountered a problem, that is, after...
follow login with Wechat scan code, the user scans the code, and the official account does not receive any push events. Other mobile phones, WeChat accounts can be received normally. A test phone, cancel the event can not be received, but the official ac...
such as the title. I searched the Internet for answers, but I still didn t get it (in fact, all the answers are the same, which makes me speechless). And ask the great gods here for advice. ...
require is not defind file path in the laravel + vue Laravel Elixir project is no problem the project code is placed under the www folder of phpstady laravel 5.3 ...
Mini Program video component loads videos from its own server (Ali) very slowly, in the format of mp4. But it will be quick to replace the video link with Mini Program s official demo video. I would like to ask what aspects should be taken to solve thi...
the project requires you to extract the zip file, which contains a Chinese string. And Chinese strings are a must, so not using Chinese characters cannot be counted as a solution. tried garbled code after failed conversion of iconv ( utf-8 , gbk ,$...
@if(count($roles) >1) @foreach$roles as $role) <tr > <td class="tc" id="aa"><input type="checkbox" name="id[]" >< td> <td class=...
$datum = Coupon::orderBy( create_at , desc )->get(); SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near or...
Custom polymorphic associated type fields write mapping [ 1=> App Post , 2=> App Commit , ] but I have multiple tables with many-to-many relationships? requires another set of mappings [ 1=> App Other , 2=> App User , ] th...
I want to add the goods to the merchandise I want to go to SESSION to record but I just don t know what the principle is? is there a great god who can interpret it for me? there will be a product name, slice, number of statistics can even remove t...
uses the website built by Weaving Dream cms. Several content models have been added. After uploading several pictures, Fatal error: Out of memory (allocated 2097152) (tried to allocate 18446744073709551614 bytes) in www web hyglz.glzhealth.com include...
$create = [ title => $data[ title ], describes => $data[ introduce ], promotions_detail => json_encode([ type => $data[ discount_type ], point =>...
how to add a watermark to a pdf file via php ...
version: laravel 5.7 when using the $appends attribute of the model modifier to add elements and using faker to generate false data, an error is reported: Unknown column sex_str Model related code: $factory->define( App Models User::cl...
if the title is too long, you want to set the width to wrap the line. How to use this width? it won t work even if you add it. What s the use of rich in textStyle? you can t formatter in title ....
customized a Header component web AndroidAndroid studio is there anything that the great god knows? would like to give some guidance. ...
RT. I didn t see the change method on the element website. By the way, how can you just add the outer border and delete the inner border? ...
The problem is that canvas users draw graphics when they touchstart touchmove. Because I call the drawing method in touchmove, now there will be a little stutter when I come across a phone with poor performance. Is there any good solution? What I m thi...