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App Inventor 2 接入百度网盘API · App Inventor 2 中文网
...载或使用 隐私策略和使用条款 技术支持 service@fun123.cn
How to get a list of all valid IP addresses in a local network? [closed]
... Is there any chance nmap might crash or do any harm to any of the services or machines running in the subnet?
– Jin
Jun 27 '17 at 19:10
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Enabling ProGuard in Eclipse for Android
...* extends android.app.Application
-keep public class * extends android.app.Service
-keep public class * extends android.content.BroadcastReceiver
-keep public class * extends android.content.ContentProvider
-keep public class com.google.vending.licensing.ILicensingService
-keep public class com.andr...
Non-Relational Database Design [closed]
...hDB, SimpleDB, Google App Engine datastore, Voldemort, Cassandra, SQL Data Services, etc.). They're also often referred to as "key/value stores", and at base they act like giant distributed persistent hash tables.
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When to use EntityManager.find() vs EntityManager.getReference() with JPA
...
private String name;
private Integer age;
}
public class PersonServiceImpl implements PersonService {
public void changeAge(Integer personId, Integer newAge) {
Person person = em.getReference(Person.class, personId);
// person is a proxy
person.setAge(newAge...
mysql error 1364 Field doesn't have a default values
...m /etc/my.cnf -- in the line starting with sql_mode -- and restarted mysql service and issue went away.
– Mike Volmar
Jan 28 '19 at 13:42
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Static method behavior in multi-threaded environment in java
... @selig if I have a class with only instance methods for ex: a service class and It is singleton then I don't need to worry about multiple threads executing the instance methods at a time as the service class does not hold any state where state is present only if class has instance varia...
C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...能在不安全的上下文中使用(请考虑使用 System.Runtime.InteropServices.Marshal.SizeOf)
修改为Marshal.SizeOf方法，改方法返回对象的非托管大小（以字节为单位）。参数可以是引用类型或装箱的值类型。布局必须是连续的或显式的。
int ...
Verify version of rabbitmq
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And if rabbitmq services are stopped? It doesn't works. How can I retrieve version of a "shut down" rabbitmq?
– andPat
Jul 29 '15 at 14:00
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Same Navigation Drawer in different Activities
... layers));
View footerView = ((LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE)).inflate(
R.layout.drawer_list_footer, null, false);
drawerList.addFooterView(footerView);
drawerList.setOnItemClickListener(new OnItemClickListener() ...