Java Iterator in C++

I am a Java user and I am getting into C++ and in Java it allows classes to reveal Iterable types so clients can traverse some instance’s collection of data. Is there any way to obtain this …

JPA Criteria builder for dynamic query

I have to write a method where I pass it some arguments and depending on which arguments are empty it modifies the query I need to execute at the end. E.g. if I want to select from a table Customer …

Why do Primitive Data Types have a Fixed Size?

In most programming languages, typically C, C++, and Java, the integer data types are “int”, “short”, and “long”. The “int” data type is usually 32 bits. The &…

Linked List – remove duplicates algorithm in C#/Java

I am studying Data Structures and Algorithms in C#/Java. After encountering a solution to the problem of Linked List duplicate removal, I have been struggling to understand it. The solution is the one …

How to call a Java entrypoint method with non-primitive types as parameters from C++ using GraalVM

I am trying to create a shared library(dll with header and lib files) of a java code using graalvm. there will be one java method with 2 parameters of type String which I will call from c++. I am …

ByteBuffer.wrap().getInt() equivalent in c#

Java byte[] input = new byte[] { 83, 77, 45, 71, 57, 51, 53, 70 }; int buff = ByteBuffer.wrap(input).getInt(); Output: 1397566791 C# byte [] array = { 83, 77, 45, 71, 57, 51, 53, 70 }; MemoryStream …

How to close all child processes in C#

C# code: ProcessStartInfo processStartInfo = new ProcessStartInfo(); processStartInfo.Verb = “runas”; processStartInfo.FileName = fileNameToExecute; processStartInfo.Arguments = …

JNI 8 C++ : Thread attach and detach And async callback

How to async call Java method from std::thread ? Let’s assuming this is a IM bot sdk, Because it’s logic basicly a IM bot sdk. The most importtant is: How to async call java method and callback native….

Is it possible to open 2 microphones in Android at same time with Oboe library?

I’m trying to open 2 microphone streams with google’s Oboe library like this, for each microphone: oboe::AudioStreamBuilder builder; builder.setChannelCount(channelCount) ->…

SLF4J: Failed to load class at Eclipse

Using win10, Eclipse June 2020 C++ IDE, jdk-13.0.2, IAR plugin. I have a project that contains several sub-projects and it doesn’t compile using the command line (eclipsec.exe). The running command C:…