boseji

// Copyright 2021 Abhijit Bose. All rights reserved.
// Use of this source code is governed by a Apache 2.0 license

package main

import (
	"bytes"
	"crypto/rand"
	"crypto/sha256"
	"encoding/hex"

boseji

// Copyright 2021 Abhijit Bose. All rights reserved.
// Use of this source code is governed by a Apache 2.0 license

package main

import (
	"fmt"
	"encoding/hex"
	"golang.org/x/crypto/bcrypt"
)

boseji

// Copyright 2021 Abhijit Bose. All rights reserved.
// Use of this source code is governed by a Apache 2.0 license

package main

import (
	"crypto/aes"
	"crypto/cipher"
	"encoding/hex"
	"fmt"

boseji

// Copyright 2020 Abhijit Bose. All rights reserved.
// Use of this source code is governed by a Apache 2.0 license

package main

import (
	"log"
	"sync"
	"time"
)

boseji

Firebase Snippets

This documents provides a brief command sequences and code that can get you started with [Google Firebase][1].

Install Command Line Tools

Firebase uses command line tools to perform upload, test and deploy actions.

boseji

#!/bin/sh
###########################################
### Workspace Startup File
###
### @brief Creates the Required files and configuration needed
### to begin working with Python projects
###  This work has been inspired by:
###     Learn Python the Hard Way by Zed A Shaw
###   - Great book on python and other topics
###   - Visit: https://learnpythonthehardway.org/

boseji

Details

This command would alter the default committer name and email address for each of the commits.

This command uses the git filter-branch command.

$ git filter-branch --env-filter '
WRONG_EMAIL="wrong@example.com"
NEW_NAME="New Name Value"

boseji

Manjaro Linux : Tips and Tricks

We have been using [Manjaro linux][2] for past year and have been happy with its perfomance. Though we don't use te [AUR][1] (Arch User Repository, since many are not supported into Manjaro.

The best part is even with bad / dumb users like myself, IT-DOES-NOT-BREAK. So, we very much recommend [Manjaro][2].

It seriously worked much better than Ubuntu. We might not be able to have all the boat load of software & support like Debian, but we are happy.

boseji

Let [tag] = any tag in upstream repo

git fetch upstream --tags
git push origin --tags

boseji

#include <SPI.h>
#include "PinNames.h"
// 11 - GPIOC_2 - SPI0_MOSI = Connected to Chip SPI MOSI
// 12 - GPIOC_3 - SPI0_MISO = Connected to Chip SPI MISO
// 13 - GPIOC_1 - SPI0_CLK  = Connected to Chip SPI SCK
//      GPIOC_4 - SPI0_CS1  = Connected to Chip SPI CS
#define CS PC_4

SPISettings settings = SPISettings(20000000, MSBFIRST, SPI_MODE0);
void setup() {