Recent Posts
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Can the Java – checkstyle module “needbraces” use nested if / else blocks?
We are using checkstyle to enforce our style standards One of the style rules we chose to include is the needbraces mo…… -
Converting nested lists using java streams
Is it possible to use streams to get the same results (as I currently get using the following nested for loop)? List&l…… -
About vector / vector behavior in Julia
Given by 3 / [2; 2] 1×2 LinearAlgebra.Transpose{Float64,Array{Float64,1}}: 0.75 0.75 And 3/ [2; 2] gives 2-element A…… -
Dynamically create tables and Java classes at run time
There are requirements in my application My table is not defined in advance For example, if a user creates a form by n…… -
Setting namespaces and schemas using java DOM
There is a root element without attributes in my output XML document: <?xml version="1.0" encoding="UTF-8" standalo…… -
Java – requires pattern advice (hibernate Guice)
I am looking for advice on how to inject runtime dependencies into JPA entities retrieved from hibernate My question i…… -
Java scheduler
Which is the best way to run a process in a scheduler I can do crontab or spring batch Are there other better options?…… -
Java – convert 2 decimal to integer
I want to convert the number 2.55 to 255.55 in Java I tried the following code, but I got 254 instead of 255: final Do…… -
Java – map filter lambda expression using two fields from different class hierarchy routes
We have a method that receives class objects at the top of the class hierarchy It uses a condition based on a field de…… -
Java – gradle: ‘compile’ cannot be applied
Today, I started a new JDK 11 project with gradle 5.0 (using gradle wrapper) and created a basic build script: buildsc…… -
Java – JNI is passed by reference. Is it possible?
I have a java program that calls the C program to authenticate users I want the program to return true or false. If fa…… -
Java reduces the collection of strings to the mapping that occurs
Treat list as Id1_ f,id2_ d,id3_ f,id1_ g. How do I use streams to obtain simplified mappings of statistics in the for…… -
Can the skip method of Java – stream make the infinite stream limited?
"The limit() and skip() methods make the stream smaller. They can make the finite flow smaller, or they can generate a…… -
Java – add fields to webservice
I have a soap service that exposes methods TradeDetail getTradeDetail() Tradedetail stores five fields, transaction nu…… -
Java – deploy spring based war and externalize its jar dependencies
I have a spring application that has many dependencies (18 megabyte jar files..) – Now, when I test on a remote Tomcat…… -
java – PrintWriter. Printf and printwriter Differences between format methods
Is there any difference between the Java printwriter method printf and the format? The document says printf is a conve…… -
How to add two matrices in Java
I want to add two matrices with the same number of columns and different numbers of rows, but I want to know how to do…… -
Verify Hijri date on Java 6 (Islamic calendar)
I want to verify the Hijri date In my application, Hijri date will appear in DD / mm / yyyy format I want to verify th…… -
Java – ${ucsrf} what do you do? Is this an implicit El object?
I'm looking at some source code and trying to find out_ The source of CSRF As far as I know, it looks like an implicit…… -
Java-8 – how to filter a list, which is the value of the map entry in Java 8?
I have a map < B, list < a > > I want to filter out some a based on some predicates that depend on the key…… -
How to use multithreaded scripts
I am here http://www.get-blog.com/?p=189 Found this multithreaded script Param($Command = $(Read-Host "Enter the scrip…… -
Write alternatives to Java standard class libraries from scratch
I'm just curious, but I wonder if I can completely delete the Java standard class library attached to the JVM and star…… -
Arrange the characters of the array in the order they appear in the Java string
I have a string and an array of characters in the string I want to arrange the characters in the order they appear in …… -
Java – kotlin stream Peek (…) method
Java. In kotlin util. stream. Stream<> . What is the best choice for Peek (...)? https://docs.oracle.com/javase/…… -
Java transient key word method sugar?
Why not resolve transients by using annotations instead of introducing keywords? It seems that the transient keyword d…… -
What is Java util. Concurrent package Net equivalent?
I come from a Java background I think so Net and C # to learn more about concurrency Is there a Java like concurrency …… -
Split or not split classification (in Java)
I have a sentence that is analyzed at different stages First, I get some attributes (such as X, y, z): public class An…… -
How do I resolve errors about incompatible types?
I study java projects on IntelliJ Then I found an error about incompatible types in the try catch block This is part o…… -
Java – error calling method check when deploying war on Tomcat
When I deploy the war generated by ant on the local system (copy / paste under / webapps), everything is normal The pr…… -
Java – how can I guarantee to send a “stay alive” heartbeat?
We have an RMI client application written in Java that needs to send "keep alive" messages to the server application r…… -
Java generalizes methods to validate nulls in object parameters
I'm trying to implement a logic. I have a POJO class with 7 properties The following is the implementation Map<Stri……