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linux anacron

cron is a tool for automation job on linux. installation #check installation, if not exist it can be installed from distro's software repository $ which anacron /usr/sbin/anacron usage #create...

Posted by neverset on April 3, 2021

hyperopt

Hyperopt is a tool for finding the optimal hyperparameter based on a Bayesian Optimization and supported by the SMBO (Sequential Model-Based Global Optimization) methodology, such as Tree of Parzen...

Posted by neverset on April 3, 2021

comprehension

List Comprehension my_list = [ for in if ] Dictionary Comprehension my_dict = [: for in if ] e.g. data_employees = {p[‘name’]:p[‘title’] for p in persons if ‘Data’ in p[‘title’]} Set Compr...

Posted by neverset on April 3, 2021

server side rendering

a SPA page loading needs at least 3 cascading trips, which can not be execuated parallel. by code splitting the bundle size can be kept small, but main bundle doesn’t know what page chunk to reque...

Posted by neverset on April 2, 2021

IndexedDB

IndexedDB is an inbuilt non-relational database for browser to persistently store data in the browser and to perform various types of queries on it. Dexie.js is a minimalistic wrapper for IndexedDB...

Posted by neverset on April 1, 2021

springboot

Posted by neverset on March 29, 2021

spring

The Spring Framework is a lightweight java solution for building enterprise-ready applications. modular IoC container supports any web framework on top non-intrusive one-stop-shop aop: a...

Posted by neverset on March 28, 2021

aws

lambda service lambda service works as function as a service, the source code and library are packed into lambda function. the IAM defines who can call the lambda function and execution role define...

Posted by neverset on March 28, 2021

dashboard

echarts pyecharts combine python and echarts to create beautiful charts dash_echarts combine dash and echarts to create dashboad(https://github.com/mergeforward/dash_echarts) #installation #pip in...

Posted by neverset on March 27, 2021

adakptive mutation in genetic algorithm

genetic algorithm a population-based evolutionary algorithm, where a group of solutions works together to find the optimal parameters for a problem To produce the offspring, pairs of parents mate ...

Posted by neverset on March 27, 2021