包含标签：Java 的文章
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Priority queue using Multimap – Java
I must use Multimap to implement priority queue I use Multimap in Google collections Multimap<Integer,String> mu…… -
Java – how to use spaces in the parameters of Maven 2 exec plug-in
Related questions: Maven exec plugin not reading configuration In my configuration, I need a parameter, which is a fil…… -
Setopaque (true / false); Java
In Java 2D, when you use setopaque, I'm confused about some true and false For example, I know that swing opera means …… -
Java – interpreting type classes in Haskell
I am a C / Java programmer. The main example I use in daily programming is OOP In some threads, I read a comment that …… -
Java – split main and test in gradle’s eclipse build
Today, I tried to switch integration testing from Maven to gradle Everything is fine except that I have a serious prob…… -
How to make command-w close windows on Java or clojure’s Mac OS
I want to close a window / JFrame in the program I wrote in clojure How will this be achieved? Pure Java solutions are…… -
Java – implement clone () for immutable classes
I am developing a class library >I have an abstract base class of matrix, which provides the implementation of some…… -
Use JDBC realm to authenticate Shiro
I'm trying to use Shiro to verify the servlet running in Tomcat 6 I have the following Shiro INI file: [main] ps = org…… -
Dataoutputstream gives me a ‘Java io. IOException: unexpected end of stream ‘?
I'm trying to use httpurlconnection to send a request from an Android application to WebService But sometimes it works…… -
Java – comma separated string of currency values
I have a string that contains formatted currency values, such as 45890.00 and multiple values separated by commas, 890…… -
Multithreading – how to minimize the cost of allocating and initializing nsdateformatter?
I noticed that using nsdateformatter can be quite expensive I find that allocating and initializing objects has taken …… -
Java code for converting country code alpha-2 (in) to alpha 3 (ind)
Using Java, is there a quick way to convert alpha-2 country codes (in or GB) I can get alpha-2 Code: String[] codes = …… -
Is the Java – bouncy castle API thread safe?
Is bouncy castle API thread safe? especially, org.bouncycastle.crypto.paddings.PaddedBufferedBlockCipher org.bouncycas…… -
Java – real time collaboration in eclipse
See the English answer > is there an eclipse plugin for collaborative editing? [closed] 3 We have installed the lat…… -
Using play framewok and akka to map diagnostic context records in Java
I'm trying MDC logging all requests in Java. I follow Scala in this tutorial and try to convert to Java http://yanns.g…… -
What is the best open source web crawler tool written in Java?
What is the best open source web crawler tool written in Java Solution Try crawler4j You only need to implement a simp…… -
Valgrind and Java
I want to use Valgrind 3.7 0 to find a memory leak in my java native code I'm using jdk1 6.0._ twenty-nine To do this,…… -
Java – UUID randomly generated with duplicate
I use the following functions to generate UUIDs UUID.randomUUID().toString() In prod, we have 50 servers (application …… -
Java – extending annotated controllers in spring MVC
I'm developing a small project and have some existing code. I want to keep clearing my changes, so I need to extend an…… -
java – Google Protobuf ByteString vs. Byte []
I'm using Google's protobuf in Java I don't know what bytestring is I get the following definitions from the protobuf …… -
Java – why close () an input stream?
I have rich experience in Java programming language But I've been thinking, why close () Java io. What about InputStre…… -
Java – given a 2D integer array, recursively find the path with the sum of the given number
Given a two-dimensional array, I need to recursively return a matrix whose path sum is a given number The path matrix …… -
Java – is there an implementation of dukpt or ANSI x9 24 open source library [closed]
My task is to decrypt the device using dukpt protocol / scheme / algorithm The encryption algorithm itself is deSede, …… -
Java – how to create a polygon in JTS when we have a coordinate list?
We can use this coordinate list to create a linestring: Geometry g1 = new GeometryFactory().createLineString(coordinat…… -
java. Lang. outofmemoryerror: Web application usage on permgen space
I am trying to deal with the recent OUTOFMEMORY permgen problem One of the log fragments saved when an error occurs: j…… -
Java – failed task ‘: app: compiledebugndk’ cannot run this command NDK build cmd
Error:Execution Failed for task ':app:compileDebugNdk'. Error:Execution Failed for task ':app:compileDebugNdk'. Error …… -
Multithreading – how to minimize the cost of allocating and initializing nsdateformatter?
I noticed that using nsdateformatter can be quite expensive I find that allocating and initializing objects has taken …… -
Multithreading – Perl multithreaded programs occasionally crash
I wrote a program using multithreading in Perl I am using this program to understand how multithreading is implemented…… -
How to use opensh private key in Java?
I am generating a DSA key using the following command: ssh-keygen -t dsa Then, I try to sign the data using the bounc…… -
Java 8 uses generic type method references
I have the problem of combining Java 8 method references with generic types I have simplified my problem and made it c…… -
Java – the real advantage of the factory model
I've been using the factory model for a year Sometimes I just think the real advantage is clean code Let me explain, i…… -
Java is equivalent to Matlab’s’ EPS’ or numpy / Python’s’ spacing ‘function (floating point relative precision)
background Matlab's built-in EPS function [1] can take a value x and return "the positive distance from ABS (x) to the……