given that the elements in an array $arr, array are 0 to NMagi N < = $NMMI 1, find out whether there are any duplicate elements. The time complexity is O (n), and the space complexity is O (1) ....
135..... I want to calculate the most expensive "price " * "amount " can be multiplied normally, but there will be a problem with the sum ...
int [] a1 = new int[]{1,2,3}; int [] a2 = new int[4]; int[][] a3 = new int[2][3]; String [] a4 = new String[]{"a","b","c"}; Object aObj1 = a1; IntObject Object aObj2 = a4; Object[] aObj3 = a1; Int...
I d like to check the data structure how can I get the data after the second round? complete structure: I can get the "chinese-name " of "restaurants-involved " this way foreach ($order_get_one->{ restaurants-involved } as $key){ echo $k...
about PHP CURL there are three sets of data returned by default this means that it takes three foreach to implement . Are there any other ways? how else can I get the data of the second dishes-selected or even the third (options)? ...
is an array just another form of object when it comes to the relationship between arrays and objects in javascript? Why do arrays have key?? Why is the final printed result the same? Ask the great god to answer this question about the array. let arr=[ ...
1. If you have an entity class, the name of the Test, attribute is . {1,2} {1,2,3} {1,2,3,4} ..... how can I set the data into the corresponding bean attribute based on the content and the number of contents in this array? ...
should mean I have written an api I want to list all the data of a certain table and then let the counterparty access but through php curl . what am I supposed to do? what should I do with the other side? I am stuck in array because my company ...
there is the following array: const fData = [ {ownerName: "a", type: "1", total: 85} {ownerName: "a", type: "2", total: 22} {ownerName: "b", type: "1", total: 11} {ownerName: "b"...
how do I use a function to cross merge two arrays? ...
has a two-dimensional array usersname ask for advice from God ...
[ 1 ,[ 2 , 3 , [ 4 , 5 , [ 6 ]]]] ...
<?foreach ($restaurant_get_all->restaurants as $key) {?> <?foreach ($region_get_all->regions as $key2) {?> <option value="<?=@$key2->{ region-name };?>"><?=@$key2->{ region-name };...
$data(0=>array( city => , addressid =>1, ordersn => 456786a , goods => ), 1=>array( city => , addressid =>1, ...
$courseDetail = M( course ) ->field( c.course_id,c.name,from_unixtime(c.time) as course_time,c.room_id,tu.teacher_id,tu.relname as teacher_name, tu.mobile as teacher_mobile,su.student_id,su.nickname as student_name,su.mobile as student_...
I use php curl to retrieve json data from http , and then I use foreach array to display all the data , but when I encounter a problem, how to break it down? what kind of data does the counterparty need to give me? for example, he has a total of 30 yu...
default value 2018 04 16, 2018 04 17, 2018 04 18, 2018 04 19, 2018 04 20, 2018 04 21, 2018 04 28 when I deal with it on the other side how to convert it to array and send json to the specified http? Using curl $data = array( "date" =&g...
I am a novice. At present, I have encountered some confusion when learning set data types in Es6, as follows: in the Es6 about Ruan Yifeng, it is mentioned that set types can be used to intersect and judge sets, but I have tried it unsuccessfully. ...
recently read Learning Scrapy, which mentions a crawler that automatically turns pages and crawls items on each page. The book says that Scrapy uses last-in, first-out queues. suppose there are 30 items on each page, and start_url is set to the first ...
1. The prompt to run the tsc compilation command in vscode is as follows: 2.nodejsvscode Please give us a lot of advice, thank you. ...
<p id="num"> <p id="num_1"> $("-sharpnum").rollNumDaq({ deVal: 16888 }); $("-sharpnum_1").rollNumDaq({ deVal: 2478 }); ;(function($, window, document) { "use strict"; va...
customize the component of the weex and directly inherit the WXText. Why can t you get the data in the tag in the Attributes in basicComponentData? the code is as follows: public class FundWxRichText extends WXText { public FundWxRichText(WXSDKInst...
the problem is that I H5 has two pages, parent page A, child page B, A has a route to B, because put in the APP, the head is to be removed, so B does not have the above head, does not do the right arrow to return to A, the App side should be able to list...