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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...
Splitting string with pipe character (“|”) [duplicate]
...usly getting the same problem and thought it was related to my newbie (for java 8) use of Array.AsList or Arrays.stream - thanks devnull!
– JGlass
Sep 19 '18 at 19:50
add a co...
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
How can I include raw JSON in an object using Jackson?
I am trying to include raw JSON inside a Java object when the object is (de)serialized using Jackson. In order to test this functionality, I wrote the following test:
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Get item in the list in Scala?
...or (immutable) or ArrayBuffer (mutable) or possibly Array (which is just a Java array, except again you index into it with (i) instead of [i]).
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What integer hash function are good that accepts an integer hash key?
... built-in integer multiplication unit. C code, assuming int is 32 bit (for Java, replace >> with >>> and remove unsigned):
unsigned int hash(unsigned int x) {
x = ((x >> 16) ^ x) * 0x45d9f3b;
x = ((x >> 16) ^ x) * 0x45d9f3b;
x = (x >> 16) ^ x;
return...