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How to sort ArrayList in decreasing order?
How to sort an ArrayList<Long> in Java in decreasing order?
14 Answers
14
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How to use IntelliJ IDEA to find all unused code?
When I am in a .java file the unused code is usually grayed out or has a green underline saying this code will probably (probably because of some weird JNI/Reflection corner cases) be unused. But I have this project with thousands of Java files and I want to find ALL INSTANCES of such probable-unuse...
Remove the image from a imageview Android [duplicate]
...erence for the picture), which is stored as an int, but displayed in the R.java class as a hex value, 0xf2fs... So assuming this reference exist it will show a picture, if you later pass that same imageview a reference which does not exist the old picture will no longer show. So, if you pass it 0, o...
Integer.valueOf() vs. Integer.parseInt() [duplicate]
...ling an int from a database and trying to convert it from String to int in Java. NOT String to Integer. I had to switch to Integer.parseInt() instead.
– anon58192932
Sep 28 '15 at 20:08
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Best way to Format a Double value to 2 Decimal places [duplicate]
...on, is there is any easy way to handle the formatting of decimal values in Java?
2 Answers
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DTO and DAO concepts and MVC [closed]
... use DTO and DAO , and when should we use them. I am developing a GUI Java software to do with inserting, editing, deleting data. But I am struggling to distinguish between DTO/DAO and Model , View , Controller (MVC) Structure? Are they similar, which is better to use when interacting w...
org.apache.tomcat.util.modeler.ManagedBean tomcat启动不了 - Python - 清泛IT社区，为创新赋能！
java版本太低了，下载新版本java：
http://www.oracle.com/technetwork/java/javase/downloads/jdk6-jsp-136632.html
C++ protobuf使用入门实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tion go_package = "google.golang.org/protobuf/types/known/testpb";
option java_package = "com.google.protobuf";
option java_outer_classname = "TestProto";
option java_multiple_files = true;
option objc_class_prefix = "GPB";
// `Test` represents a structured data value, consisting of fields
/...
Is there a method that works like start fragment for result?
...aredViewModel = ViewModelProviders.of(activity).get(SharedViewModel::class.java)
}
}
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?): View? {
return inflater.inflate(R.layout.fragment_first...
How do servlets work? Instantiation, sessions, shared variables and multithreading
...ets and filters are shared among all requests. That's the nice thing about Java, it's multithreaded and different threads (read: HTTP requests) can make use of the same instance. It would otherwise be too expensive to recreate, init() and destroy() them for every single request.
You should also rea...