如何解决这个错误: SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data
我正在向ajax和php发送一些数据.
这是我的ajax代码:
flag = 111;
var dt = $(this).serializeArray();
dt.push({
name: 'flag',
value: flag
});
$.ajax({
url: 'emp.php',
type: "post",
async: true,
data: dt,
dataType: 'html',
contentType: 'application/x-www-form-urlencoded; charset=UTF-8',
success: function(data) {
var x = JSON.parse(data); //THIS Line shows error!!
alert(x);
$('#name').val(x.ename);
$('#designation').val(x.designation);
$('#department').val(x.department);
$('#sd').val(x.secdivision);
},
error: function(jqXHR, textStatus, errorThrown) {
console.log(textStatus, errorThrown);
}
});
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这是我的PHP:
$empid = (isset($_POST['employeeid'])) ? $_POST['employeeid'] : 'NOT';
$flag = (isset($_POST['flag'])) …Run Code Online (Sandbox Code Playgroud) 我使用以下 OpenAPI 命令来使用openapi-generator生成客户端:
npx @openapitools/openapi-generator-cli generate -i api.yaml -g cpp-restsdk -o %CD%
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运行命令后为什么会显示以下警告:
[main] WARN o.o.codegen.DefaultCodegen - The value (generator's option) must be either boolean or string. Default to `false`.
Run Code Online (Sandbox Code Playgroud) 我确实尝试过,viewMode: 'months'但没有成功。我该怎么做。请帮助这是源代码:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Review Sample Month Only</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.37/css/bootstrap-datetimepicker.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.37/js/bootstrap-datetimepicker.min.js"></script>
<script type="text/javascript">
$(function () {
$('#datetimepicker').datetimepicker({
format: 'MM',
viewMode: 'months'
});
});
</script>
</head>
<body >
<div class="container" >
<div class="panel-group">
<div class="panel panel-primary" >
<div class="panel-heading" >
<h3 class="panel-title" style="text-align: center;">Review Sample Month Only</h3>
</div>
<div class="panel-body">
<form class="form-horizontal" >
<div class="form-group">
<label class="control-label col-sm-2" …Run Code Online (Sandbox Code Playgroud)如果 C++ DLL 函数复制更长的数组,我想在 Delphi 程序中更改缓冲区数组的大小。德尔福代码:
function sendUserAllocatedArray(AllocatedArrayPtr: PAnsiChar; Length: Integer): Integer; cdecl;
external 'DLLlibrary.dll';
var
myCharPtr : PAnsiChar;
size : integer;
UserAllocatedArray: array[0..10] of AnsiChar;
arrayPtr: PAnsiChar;
begin
UserAllocatedArray := 'test123';
arrayPtr := UserAllocatedArray;
size := sendUserAllocatedArray(arrayPtr, Length(UserAllocatedArray));
end
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C++ DLL:
extern "C" __declspec(dllexport) int sendUserAllocatedArray(char* data, int length);
int sendUserAllocatedArray(char* data, int length)
{
char char_array[] = "this array length is more than 10";
datLength = sizeof(char_array);
if(datLength < length)
strcpy_s(data, length, char_array);
else
....;
return length;
} …Run Code Online (Sandbox Code Playgroud) 我想编写 JQuery 代码,从 Bootstrap Multi select 中取消选中和取消选择某些选项。
我想要一个将输出以下内容的 JQuery
我做了以下无效的 JQuery:
$('#example-optionClass').val('1').prop('checked', flase);
$('#example-optionClass').val('4').prop('checked', flase);
$('#example-optionClass').val('2').prop('checked', true);
$('#example-optionClass').val('6').prop('checked', true);
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这里的源代码:
$('#example-optionClass').val('1').prop('checked', flase);
$('#example-optionClass').val('4').prop('checked', flase);
$('#example-optionClass').val('2').prop('checked', true);
$('#example-optionClass').val('6').prop('checked', true);
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请帮忙。谢谢
我正在研究用于堆排序的 BST 树。
void heapSort(int arr[], int n){
// Build heap (rearrange array)
for (int i = n / 2 - 1; i >= 0; i--)
heapify(arr, n, i);
-----------
----------
}
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它表明,树的第 2 个最后一级索引的最右边节点总是n/2-1。
请谁能告诉我简单的数学证明。谢谢