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@yoavniran
yoavniran / simple-nodejs-iv-encrypt-decrypt.js
Last active January 20, 2022 08:16
nodejs crypto - simple encrypt & decrypt using IV (Initialization Vector)
"use strict";
var crypto = require("crypto");
var EncryptionHelper = (function () {
function getKeyAndIV(key, callback) {
crypto.pseudoRandomBytes(16, function (err, ivBuffer) {
var keyBuffer = (key instanceof Buffer) ? key : new Buffer(key) ;
@doubleyou
doubleyou / Makefile
Last active August 15, 2023 10:30
grpc-gateway python example
GATEWAY_FLAGS := -I. -I/usr/local/include -I$(GOPATH)/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis -I/usr/local/include
GRPC_FLAGS := --python_out=. --grpc_python_out=.
code:
python -m grpc_tools.protoc $(GRPC_FLAGS) $(GATEWAY_FLAGS) *.proto
gw:
protoc $(GATEWAY_FLAGS) \
--go_out=Mgoogle/api/annotations.proto=github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis/google/api,plugins=grpc:. \
@enjoylife
enjoylife / IslandCounting.js
Last active July 18, 2021 09:37
Given a matrix of 0s and 1s, where 0 represents water and 1 represents land, count the number of islands. Two pieces of land are connected if they are vertically or horizontally touching. Two pieces of land that are diagonal from each other are not touching.
// our simple example to play with
let island = [
[1, 1, 0, 0, 0],
[0, 1, 0, 0, 1],
[1, 0, 0, 1, 1],
[0, 0, 0, 0, 0],
[1, 0, 1, 0, 1]
];