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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
1
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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...
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...
What is the best collation to use for MySQL with PHP? [closed]
...TE: Switching to Barracuda from Antelope, may require restarting the MySQL service more than once. innodb_file_format_max does not change until after the MySQL service has been restarted to: innodb_file_format = barracuda.
MySQL uses the old Antelope InnoDB file format. Barracuda supports dynamic r...
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() ...
Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
... a 405 is evidence that the servlet itself is actually found).
Overriding service() is a bad practice, unless you're reinventing a MVC framework — which is very unlikely if you're just starting out with servlets and are clueless as to the problem described in the current question ;) See also Desi...
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
...
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
...
Sending mail from Python using SMTP
...n = ['recipient@her_email_domain.com']
USERNAME = "USER_NAME_FOR_INTERNET_SERVICE_PROVIDER"
PASSWORD = "PASSWORD_INTERNET_SERVICE_PROVIDER"
# typical values for text_subtype are plain, html, xml
text_subtype = 'plain'
content="""\
Test message
"""
subject="Sent from Python"
import sys
import o...
How to enable local network users to access my WAMP sites?
...
Now you are done with PORT opening as well.
Next is “Restart All Services” of WAMP and access your machine in LAN
or WAN.
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