if the generated arrays are not sorted, the normal situation is to parse one by one according to the array order. the problem arises. At present, my android phone parsing is like this, ios mobile phone parsing in reverse order. [ {id: 1, name:...
Drag sorting in the list, the maximum number of rows in the list is 20, and you can slide up and down. How can this be achieved? ...
A company had no idea after thinking about the interview questions for half an hour. $arr = [ [4, 5, 9, 4, 1], [11, 14, 9, 6, 20], [21, 44, 90, 16, 21], [16, 34, 99, 600, 230], [121, 18, 89, 60, 33] ] the array $arr [0] [0] is th...
problem description in the table, id is the primary key, created_at is the timestamp, and the created_at of the data to be queried is 1538125292 . first page: SELECT * FROM 4s_active_slotmachine_import_player WHERE ( area_id = 18696) AND ( active...
for example, the order in which I typed is {id: {$in: [1pg4]}}, how can I make the results returned by mongodb return the corresponding data in this order? ...
imagine such a scenario. If all the elements in the heap are the same, then every time the heap is adjusted, there is no need to adjust the heap after the exchange of the top element and the tail element, and then the n elements will do so. Isn t this s...
he will print the results of con.update.php to-sharpsaveresult suppose I echo 200 how do I catch this 200 in con.update? because ajax has success, I can catch data , but this one doesn t have . ...
want to compare my use of jquery sortable I want to compare if A B C D E if B is moved to D , it is only to Bauddline An and E that they are not sent to php for processing . how do I do this? ...
the set of collections I now get through the mongoose query looks like this: [{ _id: "123456", sex: 0 },{ _id: "222222", sex: 1 },{ _id: "111111", sex: 1 },{ _id: "333333", sex: 0 ...
persons= [{ name : Jon , age : 32}, { name : Alan , age : 50}, { name : Bob , age :23}] sorted (persons, key = lambda x: (x [ name ],-x [ age ]) persons [{ age : 32, name : Jon }, { age : 50, name : ...
has a two-dimensional array usersname ask for advice from God ...
has the following array: $arr = [ abc , ABC , 0.23, Begin , oh , 11,456, sort , EMAIL ] ; Why is it sorted using sort ($arr), sort ($arr, SORT_STRING), sort ($arr, SORT_NUMERIC) respectively? [ ABC , Begin , EMAIL , abc , ...
ask for an algorithm for mixed sorting of numbers and characters in CPP. input is a string array, all elements are essentially string, such as [2, Banana, 1, Apple, 3, Pear] . Now sort it, requiring that the sorted output be [1, Apple, 2, Banana, 3,...
my global variable configuration vue :@base-color-red less@ ...
already knows that md5 is irreversible. there is a simple way to generate token $token = md5 ($username.$password.$regtime); 1. If you can t reverse it, why is token only valid for 24 hours? generated validation link register active.php?verify= ...
what is the reason for this error when webpack is packaged? ...
background: there is a need to implement a tree view that can be expanded up and down. Due to the limited ability, the master can only write traditional JS,. He encapsulated it with traditional JS, and the directory is as follows: d3.jszrender.js,r...
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