igricart

import numpy as np

def investment_value(principal, rate, time, n, dividends, reinvest_dividends, brokerage_fee, investment_fee):
    if reinvest_dividends:
        # Calculate dividend reinvestment
        for t in range(time):
            # Calculate interest with compound
            principal = principal * (1 + rate / n) ** n

            # Calculate and reinvest dividends

igricart

Paste the following code in your .bashrc

parse_git_branch() {
 git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'
}
if [ "$color_prompt" = yes ]; then
 PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[01;31m\] $(parse_git_branch)\[\033[00m\]\$ '
else
 PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w$(parse_git_branch)\$ '
fi

igricart

Clang Format

File to format code in C++

---
BasedOnStyle:  Google
AccessModifierOffset: -2
ConstructorInitializerIndentWidth: 2
AlignEscapedNewlinesLeft: false
AlignTrailingComments: true
AllowAllParametersOfDeclarationOnNextLine: false

igricart

Having a simple debian package out of a Python script

Create a directory to store the debian folder

$ mkdir -p test_folder/DEBIAN

Create a control file inside debian folder

igricart

How to check it ?

$? represents last command sent

#!/bin/bash

touch a/a/.a
if [ $? -eq 0 ]; then
 echo OK

igricart

Simple Cheat Sheet

This gist is menat to help find some information and handle errors with packages using either dpkg or apt

To use it, change <package> for your package name

Getting install tree from package

$ dpkg -c <package>

igricart

Create a debian pkg out of CMakeFiles/CMakeLists.txt

The following script is meant to be used to create a debian package out of a CMake project well defined

  GNU nano 2.9.3                                                                                 build_deb_from_cmake.sh                                                                                 Modified  

export DEBMAIL="your@amazing-email.com"
export DEBFULLNAME="Ignacio Ricart"
export DEB_BUILD_OPTIONS=nocheck

igricart

Example to show the usage of condition variable

In addition to the good documentation provided by cppreference

I had a doubt that the mutex would be locked in the waiting cycle, but because of the condition_variable::wait() function, it actually allows other threads to access the variable while no notifi_all() method has been called.

#include <iostream>
#include <condition_variable>

igricart

How create a debian package out of Paho MQTT C

$ git clone https://github.com/eclipse/paho.mqtt.c.git
$ cd paho.mqtt.c

# Check version from Paho MQTT Cpp too
$ git checkout v1.3.1

igricart

Create debian packages out of a ROS package (docker)

The dockerfile should be something like

# If amd64 architecture
# FROM osrf/ros:melodic-desktop-full-bionic

# If arm64 architecture
FROM arm64v8/ros:melodic

# uncomment ARG if you need to interact with a remote repository