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Set type judgment intersection and union in javascript
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. ...
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Values separated by commas are sent to http in curl and json
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...
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How to break down the json, obtained from curl?
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...
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PHP changes the array format of query results, which is a problem of efficiency.
$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_...
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Js multi-layer nested array to extract the data from the last layer?
you need to get a collection of all the id of isCheck = true
list: [{
id: 1 ,
isCheck: false,
children: [{
id: 1-1 ,
isCheck: false,
children: null
}, {
id: 1-2 ,
isCheck: true,
children: null
}]
}, {
id: ...
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Php groups and merges data based on a key value in a two-dimensional array
$data(0=>array(
city => ,
addressid =>1,
ordersn => 456786a ,
goods =>
),
1=>array(
city => ,
addressid =>1,
...
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How can you add a foreach, server to a foreach to improve efficiency?
<?foreach ($restaurant_get_all->restaurants as $key) {?>
<?foreach ($region_get_all->regions as $key2) {?>
<option value="<?=@$key2->{ region-name };?>"><?=@$key2->{ region-name };...
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Recursively traverses the multidimensional array, returning the array before traversal
[ 1 ,[ 2 , 3 , [ 4 , 5 , [ 6 ]]]]
...
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How do I convert a string to a binary array?
the string needs to be converted to a binary sequence. Since new TextEncoder ( "utf-8 ") .encode (str), is not compatible with IE browsers, you need to find another way to replace the TextEncoder method. ...
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Chinese sorting of php two-dimensional array
has a two-dimensional array
usersname
ask for advice from God
...
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How to use a function to cross merge two arrays?
how do I use a function to cross merge two arrays? ...
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How do I extract the common elements from an array and put them into two arrays?
var arr = [ "2018-04-17T03 ", "2018-04-18T15 ", "2018-04-17T04 ", "2018-04-18T16 ", "2018-04-17T05 ", "2018-04-18T17 ", "2018-04-17T06 ", "2018-04-17T07 ", "2018-04-17T08 ", "2018-04-17T09 ", "2018-04-17T20 ", "2018-04-18T10 ", "2018-04-17T2...
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A problem about refactoring arrays
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"...
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Does php compare the square value through curl? The opposite party also uses curl
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 ...
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The data in the array is mutable, how to set to a fixed class attribute.
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?
...
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Php deals with array problems
is there a great god to help write a function that processes $arr into $arr1
$arr = array(
array( id => 1 , name => a ),
array( id => 1 , name => b ),
array( id => 1 , name => c ),
...
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With regard to the relationship between arrays and objects in javascript, are arrays just another form of objects?
is an array just another form of object when it comes to the relationship between arrays and objects in javascript? Why do arrays have key?? Why is the final printed result the same? Ask the great god to answer this question about the array.
let arr=[ ...
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I have such an array object that I need to sort.
drawerList:[
{url: .. .. static images icon coin-etc.png ,name: ETC ,zhangfu:+122.33,price:228.253,about:3.3248,state:1},
{url: .. .. static images icon coin-bat.png ,name: BAT ,zhangfu:-12.20,price:68.53,about:3.3248,state:0},
...
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If PHP CURL has three figures, how can I write it correctly?
about PHP CURL there are three sets of data returned by default
this means that it takes three foreach to implement . Are there any other ways?
how else can I get the data of the second dishes-selected or even the third (options)?
...
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How does php curl take the second "third" and "fourth"?
I d like to check the data structure how can I get the data after the second round?
complete structure:
I can get the "chinese-name " of "restaurants-involved " this way
foreach ($order_get_one->{ restaurants-involved } as $key){
echo $k...
