Install MySQL server with Docker Compose
Inside a new directory, create a data directory and docker-compose.yml with these rows: To start the container, run docker-compose up -d. To stop & remove the container, run docker-compose down. […]
Warning: setlocale: LC_CTYPE: cannot change locale (UTF-8): No such file or directory
After a recent Ubuntu update, I get this error. What finally helped was putting to the file /etc/environment: LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8 For some reason, it was missing. The outputs for […]
How to fix a locale setting warning from Perl and/or *nix bash?
Perl is sometime called by a *nix script and, after an update I get recently this warning message (in particular when I run apt or npm command): perl: warning: Setting […]
Find on different collections to create a document using mongoose
I need to query multiple collections to prepare a MongoDB document and then save it using Mongoose and NodeJS. The solution is to use async.parallel I have two source collections, […]
How to use Spring DataSource bean as data source for Log4j 2 JDBC appender
I would like to log log4j2 messages into a relational database using the datasource defined on application context and initialized using spring using log4j 2.10. One possibility is to add […]
Warning about SSL connection when connecting to MySQL database
After a recent update of mySql, I get this warning: WARN: Establishing SSL connection without server’s identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL […]
Convert timestamp long to normal date format
One simply way to convert a Long time stamp into a formatted string is (time paramter is Long timestamp): Date date = new Date(time); Format format = new SimpleDateFormat("yyyy MM […]
Date based query using milliseconds (Java long) time on MongoDB
Let’s suppose I need to search all records that match a date condition. On MongoDB I’ve a bunch of data like this: { "_id" : "9ed3b937-0f43-4613-bd58-cb739a8c5bf6", "userModels" : { "5080" […]
Industria 4.0
Uno degli interrogativi più importanti di tutte le rivoluzioni industriali a cui l’umanità ha assistito è: ’innovazione porta o toglie occupazione? Personalmente ritengo che molto più semplicemente la cambi. Cambiano […]
Gap di competenze per Industria 4.0
«Non vedo un rischio di disoccupazione maggiore provocato dalle tecnologie, il saldo non sarà negativo», spiega ancora l’economista Ocse che però vede una minaccia nell’aumento delle diseguaglianze – «sia come […]