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. ...
A financial background is written using the TP framework, the real login URL in its source code is admin index login, and the background home page is admin index index, but why it opens the route with an alias. For example: safeadmin = > admin index l...
when you don t use routing lazy loading, the packaged vendor.js is a bit big. Now, after using routing lazy loading, there is a js file that prompts you to be a bit big . : ...
what I often see is that the parameters of the uri of the search page are encoded. Why should I encode the parameters? For example, the parameter is Xiaoming, can t you search Xiaoming directly? ...
often w3wp.exe this process 50% CPU, and these events. Xiaobai asks for advice. thought about changing linux, but felt some code numbers were complicated. ...
The default environment in python is 2.7, but now I want to deal with it in 3.5 environment. ...