pass in a set of data and draw a smooth curve. 
pass in a set of data and draw a smooth curve.
php is troublesome to draw. You can consider using some other things, such as echart, hignchart, etc., to generate charts
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in order to facilitate development, we plan to create a LNMP environment based on docker, which makes it much more convenient to change computers or unify the team s development environment. choreographed a docker-compose.yaml file with nginx, php-fp...
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description: a regular match is given to the content of an input box, and the matching content is the product activation code. looks like this: "0C31-0B81-BB32-3094-0C31-0B81-BB32-3094 " Code: $( -sharplicenseCode ).keyup(function () { le...
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what does the code circled in the following picture mean? ...
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$selectTip = $pdo->query("SELECT * FROM `tips_rate` WHERE `tip_id` = ".$row[ id ]." " ); $selecttotal = mysqli_num_rows($selectTip); $rate = $pdo->query("SELEC...
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what happens when you get a list of followers through access_token after getting access_token and show that this operation cannot be performed? $url = "https: api.weixin.qq.com cgi-bin token?grant_type=client_credential&appid=$appid&secre...
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1. Background of the problem: recently, it has been almost exclusively said on php7, that only php7 compiled with GCC 4.8 will open Global Register for opline and execute_data . 2. Question description: Q: what is 1Global Register for opline and e...
the query data is printed to see that _ id is objectID,. If it is directly converted to json,_id, it will be empty. Can you change objectID to string, and then to json? ...
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stateful fields are often saved in the database, which are represented by numbers: 0-> fail reject 1-> success pass and so on, I want to convert 0 or 1 into Chinese characters in the obtained results, is there any good way to quickly complete t...