我有一个错误:
NoMethodError: undefined method 'some_method?' for #<Customer:0x007f8a2c5d7d80>
Customer
是db支持的AR模型。
我可以通过0x007f8a2c5d7d80
判断哪个客户真正知道哪个方式?
如何将其翻译成合理的内容?
答案 0 :(得分:0)
好的,this thread回答了我的问题。
没有办法确定,究竟是这个对象:
显然,这在多次运行期间会有所不同,因为它只是 取决于系统决定分配内存的位置,而不是任何内存 对象本身的属性。
有一种很棒的方法 - ObjectSpace#_id2ref
- 它允许 实际找到 对象object_id
:
ObjectSpace._id2ref(object_id)
答案 1 :(得分:0)
我找到了一些东西:)
public class Getquote extends AppCompatActivityimplementsNavigationView.OnNavigationItemSelectedListener{
private ProgressDialog loadDialog;
private String Feature_id_itt;
String category_id;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_getquote2);
inilizeToolbar();
inilizeProgressDialog();
final Intent int2=getIntent();
batteryFeatureid_itt= int2.getStringExtra("battery_featuer_idc");
category_id=int2.getStringExtra("category_id");
Feature_id_itt=int2.getStringExtra("Feature_idc");
final Intent int1=getIntent();
Feature_id_itt=int1.getStringExtra("Feature_idc");
category_id=int1.getStringExtra("Category_id");
name_c = (EditText) findViewById(R.id.name);
mobile_c = (EditText) findViewById(R.id.mobile);
emailid_c = (EditText) findViewById(R.id.email_id);
state_c = (EditText) findViewById(R.id.state);
city_c = (EditText) findViewById(R.id.city);
street_c = (EditText) findViewById(R.id.street);
pin_c = (EditText) findViewById(R.id.pin);
subject_c = (EditText) findViewById(R.id.subject);
btsub = (Button) findViewById(R.id.bt_sub);
btsub.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
oncheck();
}
});
}
private void oncheck() {
if(category_id==("1")){
Toast.makeText(Getquote.this, ""+category_id, Toast.LENGTH_SHORT).show();
}
else{
Toast.makeText(Getquote.this, ""+category_id, Toast.LENGTH_SHORT).show();
}
}
}
所以在十进制中,这个“werid”代码只加倍a = SomethingClass.new
a
# => #<SomethingClass:0x005641a0a3bed8>
0x005641a0a3bed8
#=> 94839867948760
a.object_id * 2
#=> 94839867948760