Tutorials Index Page 3


How to update the Go version

Steps to update go lang to the latest version. Remove your current go and then Go to the [downloads](https://golang.org/dl/) page and download the binary release. finally install it following the steps in this guide.


Fast bulk insert with sqlalchemy

SQLAlchemy has some ways to do fask bulk inserts into the database. With this tutorial you will learn how to insert a large number of rows in bulk, using dictionaries or objects.

Gitlab CI register runner on multiple proyects

With gitlab ci if you want to reuse the runner on multiple projects you will need to be master an both proyects. You will need then to Go to Settings>CI/CD>Runner Settings of Project A and finally Edit the desired runner properties. Uncheck the "Lock to current projects" box. Check here for full detailed steps.


Bluetooth headset playing low quality on ubuntu 18

If you are using ubuntu and you bluetooth speaks is playing with low quality, check here for the solution. You need to edit the file /etc/bluetooth/audio.conf and change some configurations. Read here for more details.

[SOLVED] Repository changed its 'Origin' value from 'Google, Inc.' to 'Google LLC'

When you use apt or apt-get and you are using official chrome repos, you could see this message: Repository changed its 'Origin' value from 'Google, Inc.' to 'Google LLC'. SOLUTION -> sudo apt update and answer yes


How to fix bluetooth speakers on ubuntu

In this tutorial, we try many ways to fix problems with bluetooth speaks on Ubuntu Linux. Most of the issues are solved on the file /etc/bluetooth/main.conf changing #AutoEnable=false to AutoEnable=true. Check here for more alternatives.

Solved: Failed - Module 'DevicePowerOn' power on failed

Check here the solution of the error "Failed - Module 'DevicePowerOn' power on failed." when the virtual machine was started.


Setup Bluetooth speakers with Ubuntu 18.04

In this tutorial, we are going to configure bluetooth speakers on Ubuntu 18.04. The steps should be similar in previous version of ubuntu like 16.04.


Elastic search with python

In this tutorial, we are going to use python and elastic search. We are going to cover from scratch how to use elastic search using python. The tutorial could be read by python and elastic search beginners.


Bitcoin electrum wallet install from source code

In this tutorial, we are going to install all bitcoin electrum dependencies from source code and make it work with PyQT5. we provide a step by step tutorial to install bitcoin electrum.