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FrancescoJo / ColourUtils.kt
Created August 8, 2025 00:31
Various colour related Kotlin functions
import kotlin.math.max
import kotlin.math.min
/**
* @returns hue, saturation%, brightness%
*/
fun rgbToHsb(r: Int, g: Int, b: Int): Triple<Float, Float, Float> {
val rF = r / 255f
val gF = g / 255f
val bF = b / 255f
@FrancescoJo
FrancescoJo / simple_moe.py
Created February 28, 2025 02:29
Simple MoE implementation using tf/keras
import tensorflow as tf
from tensorflow.keras import layers, Model
import numpy as np
class ExpertLayer(layers.Layer):
"""Individual expert network."""
def __init__(self, hidden_dim, output_dim, **kwargs):
super(ExpertLayer, self).__init__(**kwargs)
self.hidden_layer = layers.Dense(hidden_dim, activation='relu')
self.output_layer = layers.Dense(output_dim, activation='linear')
@FrancescoJo
FrancescoJo / main.py
Created February 27, 2025 07:45
Run DeepSeek Models on my good old PC
from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
from vllm import LLM, SamplingParams
app = FastAPI()
model_path = "/home/deploy/workspace/DeepSeek-R1-Distill-Llama-8B"
llm = LLM(model=model_path, gpu_memory_utilization=0.9, tensor_parallel_size=1, enforce_eager=True, max_model_len=16384)
@FrancescoJo
FrancescoJo / JPA_ERRORS.kt
Last active November 16, 2023 02:35
Hibernate error while upgrading Spring boot 2.7 to 3.0(Hibernate 5.x to 6.1)
// UserEntity.kt
@Entity
@Table(name = "users")
class UserEntity(
@Id @GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "id")
val id: Long = 0L,
@Column(name = "isDeleted")
var isDeleted: Boolean = false,
@FrancescoJo
FrancescoJo / CustomBeanConfig.kt
Created May 26, 2022 12:31
Spring Framework Custom annotation as Bean loader
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory
import org.springframework.beans.factory.support.BeanDefinitionRegistry
import org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor
import org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider
import org.springframework.context.annotation.Configuration
import org.springframework.core.type.filter.AnnotationTypeFilter
@Configuration
class AnnotationConfig : BeanDefinitionRegistryPostProcessor {
override fun postProcessBeanFactory(beanFactory: ConfigurableListableBeanFactory) {
@FrancescoJo
FrancescoJo / example.jsh
Created January 18, 2022 05:41
Run jshell as script engine
//usr/bin/env jshell --show-version "$0" "$@"; exit $?
public class Runner {
public static void main(final String[] args) {
System.out.println("Runner#main");
}
}
System.out.println("Executing class");
Runner.main(new String[0]);
@FrancescoJo
FrancescoJo / fancy-console.js
Created August 2, 2019 14:25
Facebook "STOP!" code for Google chrome
console.log("%cGood to go!", "font: 2em roboto; color: yellow; background-color: green;");
@FrancescoJo
FrancescoJo / AnimalClassfication.java
Last active June 27, 2019 01:01
An example to demonstrate animal classification system in Java 1.8.x.
class Animal { }
class Reptile extends Animal { }
class Bird extends Animal { }
interface MobileLife {
// Every classes derived from this interface should implement common features on it.
void move(double displacement);
double getDistance();
@FrancescoJo
FrancescoJo / AnimalClassfication.dart
Created June 17, 2019 13:38
An example to demonstrate animal classification system in Dart 2.x.
class Animal { }
class Reptile extends Animal { }
class Bird extends Animal { }
mixin MobileLife {
// We don't need to implement _move on every classes using this mixin, since mixin can include state.
var _distance = 0.0;
void _move(double displacement) {
@FrancescoJo
FrancescoJo / spring-jpa-disable-automatic-method-derivation.kt
Last active June 5, 2019 09:13
How to disable spring-jpa automatic method derivation
interface UserRepository : JpaRepository<User, Long>, UserRepositoryExtension
interface UserRepositoryExtension {
/*
* Here we get exception as following:
*
* Caused by: java.lang.IllegalArgumentException: Failed to create query for method
* public abstract User UserRepositoryExtension.getByRoleCriteria(java.lang.String,java.util.Set)!
* At least 2 parameter(s) provided but only 1 parameter(s) present in query.
*