我以前曾经问过这个问题.由于我在java和android的新手技巧.一个多星期以来,我无法解决这个问题.
我的一个朋友和我正在开发一个Android项目是有这样的事情.
这件事最奇怪的部分是,它发生在我从谷歌游戏商店下载和测试时.不是从本地android studio安装或调试模式.
这可能是什么问题,或者这个完全错误的返回列表?我的朋友说服这段代码正确返回但是从Play商店安装它始终是一个错误.
请建议我在哪里继续挖掘?
@Override
public void promiseMethod(JSONObject object) {
if (object != null) {
if (object.has(DO_SERVICES)) {
vehicleDetails = new ArrayList < Object[] > (1);
List < String > vehicleNoList = new ArrayList < String > (1);
List < String > serviceList = new ArrayList < String > (1);
try {
Gson gson = new Gson();
JSONObject jsonObj = new JSONObject(object.get(DO_SERVICES)
.toString());
servDto = gson.fromJson(jsonObj.toString(),
ServiceDto.class);
if (servDto.getServiceDto() instanceof List) {
List < DoServiceDto > doServiceList = …Run Code Online (Sandbox Code Playgroud) 我想将对象从列表视图传递到子路线。似乎没有办法传递对象。
有什么办法吗?
GoRouter routes(AuthBloc bloc) {
return GoRouter(
navigatorKey: _rootNavigatorKey,
routes: <RouteBase>[
GoRoute(
routes: <RouteBase>[
GoRoute(
path: loginURLPagePath,
builder: (BuildContext context, GoRouterState state) {
return const LoginPage();
},
),
GoRoute(
path: homeURLPagePath,
builder: (BuildContext context, GoRouterState state) =>
const HomePage(),
routes: <RouteBase>[
GoRoute(
path: feeURLPagePath,
name: 'a',
builder: (context, state) => FeePage(),
routes: [
/// Fee Details page
GoRoute(
name: 'b',
path: feeDetailsURLPagePath,
builder: (BuildContext context, GoRouterState state) =>
const FeeDetails(),
),
]),
],
),
],
path: welcomeURLPagePath,
builder: (BuildContext …Run Code Online (Sandbox Code Playgroud) 异常:类型“String”不是类型“Map<String,dynamic>”的子类型
{"collection":{"data":"{\"id\": 1, \"name\": \"Marko\", \"picture\":
\"https://lh3.googleusercontent.com/a-/AAuE7mC1vqaKk_Eylt-fcKgJxuN96yQ7dsd2dBdsdsViK959TKsHQ=s96-
c\"}","statusCode":202,"version":"1.0"}}
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这是上面的 json,我想将它仅放在 User pojo 类中 [data]。
但它抛出了上面的异常类型。
class UserCollection {
final User data;
final int statusCode;
final String version;
UserCollection({this.data, this.statusCode, this.version});
factory UserCollection.fromJson(Map<String, dynamic> json) {
return UserCollection(
statusCode: json['statusCode'] as int,
data: User.fromJson(json['data']) ,
version: json['version'] as String );
}
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = new Map<String, dynamic>();
data['data'] = this.data;
data['statusCode'] = this.statusCode;
data['version'] = this.version;
return data;
}
}
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用户Pojo类
@JsonSerializable()
class User { …Run Code Online (Sandbox Code Playgroud) 我有这样的文件:
pup@pup:~/perl_test$ cat numbers
1234567891
2133123131
4324234243
4356257472
3465645768000
3424242423
3543676586
3564578765
6585645646000
0001212122
1212121122
0003232322
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在上面的文件中我想删除前导零和尾随零,所以输出将是这样的
pup@pup:~/perl_test$ cat numbers
1234567891
2133123131
4324234243
4356257472
3465645768
3424242423
3543676586
3564578765
6585645646
1212122
1212121122
3232322
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怎么做到这一点?我试图sed删除那些零.很容易删除尾随零而不是前导零.
帮我.
我是MSSQL Hibernate的新手,以前与Spring和hibernate的MySQL实现一起工作。
我看到以下受支持的列表:
org.hibernate.dialect.SQLServerDialect
org.hibernate.dialect.SQLServer2005Dialect
org.hibernate.dialect.SQLServer2008Dialect
org.hibernate.dialect.SQLServer2012Dialect
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我找不到对最新版本的2017 MSSQL Server的支持。可以使用org.hibernate.dialect.SQLServer2012Dialect?。现在它可以工作,但是我不确定从长远来看它会如何。
请提出建议!
感谢Log.d
我对 Django restframework 很陌生,我现在正在尝试使用外键返回对象。
class User(models.Model):
name = models.CharField(max_length=255,blank=True)
date_created = models.DateTimeField(auto_now_add=True)
date_modiefied = models.DateTimeField(auto_now=True)
area = models.CharField(max_length=255,blank=True)
uuid = models.CharField(max_length=255)
home = models.CharField(max_length=255,blank=True)
work = models.CharField(max_length=255,blank=True)
mobileNo = models.CharField(max_length=255,blank=True)
email = models.CharField(max_length=255,blank=True)
appVersionCode = models.CharField(max_length=255,blank=True)
photoUrl = models.CharField(max_length=255,blank=True)
serverTime = models.CharField(max_length=255,blank=True)
fcmTokenId = models.CharField(max_length=255,blank=True)
def __str__(self):
return self.name
class LocationData(models.Model):
user = models.ForeignKey(
User, related_name='user', on_delete=models.DO_NOTHING)
source_id = models.CharField(max_length=255)
latitude = models.CharField(max_length=255)
longitude = models.CharField(max_length=255)
speed = models.CharField(max_length=255)
kms = models.CharField(max_length=255)
date_created = models.DateTimeField(auto_now=True)
date_modiefied = models.DateTimeField(auto
class UserSerializer(serializers.ModelSerializer): …Run Code Online (Sandbox Code Playgroud)