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How do I discover memory usage of my application in Android?
...s, thus needing to start killing needed processes like services. For pure Java applications, this should be of little use, since the Java heap limit is there in part to avoid one app from being able to stress the system to this point.
Going lower-level, you can use the Debug API to get raw kernel-...
C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...针实现方式）。
其实，智能指针的引用计数类似于java的垃圾回收机制：java的垃圾的判定很简答，如果一个对象没有引用所指，那么该对象为垃圾。系统就可以回收了。
HasPtr 智能指针的声明如下，保存一个指向U_Ptr对...
Deserialize JSON with C#
...t; set;}
}
Then you should be able to do:
Friends facebookFriends = new JavaScriptSerializer().Deserialize<Friends>(result);
The names of my classes are just an example. You should use proper names.
Adding a sample test:
string json =
@"{""data"":[{""id"":""518523721"",""name"":""ft...
top -c command in linux to filter processes listed based on processname
...he o key and then type in a filter expression. For example, to monitor all java processes use the filter expression COMMAND=java. You can add multiple filters by pressing the key again, you can filter by user with the u key, and you can clear all filters with the = key.
...
What is the difference between atomic / volatile / synchronized?
...p a thread that is running forever without any use and Stopping a specific java thread.
AtomicInteger
private AtomicInteger counter = new AtomicInteger();
public int getNextUniqueIndex() {
return counter.getAndIncrement();
}
The AtomicInteger class uses CAS (compare-and-swap) low-level CPU op...
.gitignore is ignored by Git
...sh removing files from .gitignore file."
// For example, if you want the .java type file to be tracked again,
// The command should be:
// git add -f *.java
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How to use JUnit to test asynchronous processes
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If you use a CompletableFuture (introduced in Java 8) or a SettableFuture (from Google Guava), you can make your test finish as soon as it's done, rather than waiting a pre-set amount of time. Your test would look something like this:
CompletableFuture<String> fu...
Hibernate: “Field 'id' doesn't have a default value”
...LT CHARSET=latin1;
Here's the Entity
package com.keyes.jpa;
import java.io.Serializable;
import javax.persistence.*;
import java.math.BigInteger;
/**
* The persistent class for the parkingsupplier database table.
*
*/
@Entity
@Table(name = "supplier")
public class supplier implements Se...
How can I find the latitude and longitude from address?
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It throws the "java.io.IOException service not available"
– Kandha
Aug 26 '10 at 13:02
3
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Converting many 'if else' statements to a cleaner approach [duplicate]
...OGG(); break;
}
}
And have a look at the Stack Overflow question Java - Convert String to enum on how to convert Strings to enums.
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