problem description this is a coupon module there are three kinds of coupons: designated merchandise coupons, supplier coupons, all-purpose coupons; you can only use one coupon per order use precedence rules 1, the amount is the largest and ...
pseudo code is as follows; < script> <script> $(function(){ $("-sharpeng").on( click , function(){ fn1(); fn2(); fn3(); }); function fn1(){ console...
I think the title can clearly express what I mean. What I see on the server is a warning, while my local PHP is a notification. According to the instructions in the official manual, accessing undefined constants should report a notification-level error. ...
the string entered by the user in the database is displayed as Mike s,PHP output. JS will report a syntax error in the web page, indicating that Uncaught SyntaxError: Unexpected identifier, is obviously caused by one more . Page error output code &...
topic description there is always an error that MosquittoClient cannot find when using Mosquitto-PHP, in laravel sources of topics and their own ideas I have compiled mosquitto.so, and added php.ini, and have no problem using the following code: ...
ask a question mysql s order table somehow, the pay_time field data will change. A random line is updated into the sum of order adding time + a fixed period of time. I am not sure which project links the updated data in the database, or there are sche...
see the function array_diff_ukey in the official manual. The examples in are as follows. <?php function key_compare_func($key1, $key2) { if ($key1 == $key2) return 0; else if ($key1 > $key2) return 1; else re...
$_ GET gets the data requested by get $_ POST gets the data requested by post the following example <html> <body> <? $flag = $_GET["flag"]; if($flag== 1 ) echo .$_POST["user&quo...
laravel5.2 excel import function imported excel tables must be cleared before they can be imported normally. If not, this exception will be reported. how to customize this exception. ...
< div id= "text " > my Baidu < script type= " text javascript "> var txt = document.getElementById ( text ). InnerHTML; var regexp = (http: |https: )((w|=|?|.| |&|-)+) g; regular match txt1=txt.replace (regexp,function ($url) {) return...
use php to download the excel file, and after the download, why is the excel file automatically generated in the server root directory? ...
[ "id" => 7 "parent_id" => 9 "child_id" => 11 "children" => [ 0 => [ "id" => 4, "parent_id" => 11, "child_id" => ...
1, currently learning AJAX, encountered a problem in following the tutorials, using getAllResponseHeaders can not get the ResponseHeaders data of the page. A novice, the current self-study front-end, what questions are inappropriate, I hope you do not m...
has been working for 8 years, it is absolutely no problem to write business code in php, and I also know something about architecture. I know how to deal with high concurrency and database optimization, and there are some deficiencies in system tuning or...
Please take a look at the code $Dss=array(0,0,0,0,0,0,0,0,0,0); for ($i=1;$i<=12;$iPP){ 12 $sql=""; $row[ DSS ] = 1,2,3,4,5,6,7,8,9,10|11,12,13,14,15,16,17,18,19,20 ; $Dsx=explode("|",$row[ DSS ]); | ...
PHP Warning: PHP Startup: Unable to load dynamic library mbstring (tried: usr lib php 20170718 mbstring ( usr lib php 20170718 mbstring: cannot open shared object file: No such file or directory), usr lib php 20170718 mbstring.so ( usr lib php...
I have learned a novice vue, and I have also gone through the official website. I am a bit vague about the front and back end interfaces. I don t know if it is correct to understand this: the back end (assuming php) provides json data through .php files...
use the inheritance environment laragon access any page is 404 add to the domain name .conf configuration file fastcgi_split_path_info ^((?U).+ .php)( ?.+)$; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_param...
< H2 > scene < H2 > you need to generate n random integers between 1 seconds each time, and store them in the database. The generated random numbers cannot be duplicated with the data already in the database . < H2 > tried ideas < H2 > use r...
< hr > like this kind of background picture, Mini Program tabbar can only modify the background color. How to add the background picture? ...
because it is a python rookie, some test files are built in Pycharm, but an error will be reported when you right-click to run the python file, as follows: although it is not possible to run a file, there is no problem with running the python fi...
while ($row = mysqli_fetch_array($aa)){ $public_order_id = date( Ymd , time()).rand(1,999999); because there will be more than one br in an instant. my current idiotic approach is to use rand. , but 1999999 still has a chance to reproduce, bec...
id from the list page detail:function (event) { var id=event.currentTarget.dataset.id wx.navigateTo({ url: detail detail?id= +id, }); } how do I get it on the details page? data simulated by the interface using easymock ...
I need to set a default value in the default of prop, which is set through module css, but I found that prop cannot call in the document of vue. so how can I call the value in data in prop? prop:{ btnStyle: { type: String, default:...
recently, I want to build an environment for automatic packaging and deployment on iOS. look at the information and say that you can only use mac. Is it OK to configure, mac miniJ? and who has more experience to exchange with jenkins or flow.ci,? ...