mytholog’s gists

mytholog / batcher goroutine

Created April 17, 2025 11:56 — forked from egorlepa/batcher goroutine


	func batcher[T any](in chan T, out chan []T, batchSize int, timeout time.Duration) {
	for {
	batch := make([]T, 0, batchSize)
	t := time.After(timeout)
	for batchReady := false; !batchReady; {
	select {
	case e := <-in:
	batch = append(batch, e)
	if len(batch) == batchSize {

mytholog / letitfail.go

Created April 5, 2019 11:37 — forked from campoy/letitfail.go

This example shows how to have a set of goroutines running concurrently and processing requests. Panics from goroutines are recovered and the worker is restarted. You can download it and run it directly using `go run letitfail.go`

	package main

	import (
	"bufio"
	"fmt"
	"os"
	"time"
	)

	const numWorkers = 3

mytholog / postgresql-set-id-seq.sql

Created April 26, 2018 15:06 — forked from henriquemenezes/postgresql-set-id-seq.sql

PostgreSQL set Next ID Sequence Value to MAX(id) from Table

	-- Get Max ID from table
	SELECT MAX(id) FROM table;

	-- Get Next ID from table
	SELECT nextval('table_id_seq');

	-- Set Next ID Value to MAX ID
	SELECT setval('table_id_seq', (SELECT MAX(id) FROM table)+1);

mytholog / stack_queue.go

Last active September 13, 2017 12:51 — forked from moraes/gist:2141121

LIFO Stack and FIFO Queue in golang

	package main

	import (
	"fmt"
	)

	type Node struct {
	Value int
	}

mytholog / StreamToString.go

Created July 5, 2017 07:36 — forked from tejainece/StreamToString.go

Golang: io.Reader stream to string or byte slice

	import "bytes"

	func StreamToByte(stream io.Reader) []byte {
	buf := new(bytes.Buffer)
	buf.ReadFrom(stream)
	return buf.Bytes()
	}

	func StreamToString(stream io.Reader) string {
	buf := new(bytes.Buffer)

mytholog / LazyLoad.js

Created February 9, 2017 12:40 — forked from neilsoult/LazyLoad.js

LazyLoad directive for loading external javascript for AngularJs. In this example, I use google maps' API as the external library being loaded

	angular.module('testApp', []).
	directive('lazyLoad', ['$window', '$q', function ($window, $q) {
	function load_script() {
	var s = document.createElement('script'); // use global document since Angular's $document is weak
	s.src = 'https://maps.googleapis.com/maps/api/js?sensor=false&callback=initialize';
	document.body.appendChild(s);
	}
	function lazyLoadApi(key) {
	var deferred = $q.defer();
	$window.initialize = function () {

mytholog / fetch_blob.js

Created November 29, 2016 04:44 — forked from zzarcon/fetch_blob.js

	var url = 'https://ronreiter-meme-generator.p.mashape.com/meme?meme=Baby+Godfather&font_size=50&font=Impact&top=Thanks+m&bottom=Later';
	var headers = new Headers({'X-Mashape-Key': 'API_KEY'});
	var options = {
	method: 'GET',
	headers: headers,
	mode: 'cors',
	cache: 'default'
	};
	var request = new Request(url);

mytholog / custom-error.js

Last active August 9, 2016 15:16 — forked from justmoon/custom-error.js

Creating custom Error classes in Node.js

	'use strict';

	module.exports = function CustomError(message, extra) {
	Error.captureStackTrace(this, this.constructor);
	this.name = this.constructor.name;
	this.message = message;
	this.extra = extra;
	};

	require('util').inherits(module.exports, Error);

mytholog / gist:f792eb69d5941676a426

Created September 24, 2015 02:01 — forked from tonymtz/gist:d75101d9bdf764c890ef

Uninstall nodejs from OSX Yosemite

	# First:
	lsbom -f -l -s -pf /var/db/receipts/org.nodejs.pkg.bom \| while read f; do sudo rm /usr/local/${f}; done
	sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*

	# To recap, the best way (I've found) to completely uninstall node + npm is to do the following:

	#go to /usr/local/lib and delete any node and node_modules
	cd /usr/local/lib
	sudo rm -rf node*

mytholog / mediastreamsegmenter 1080p.sh

Created July 16, 2014 13:30 — forked from NapoleonWils0n/mediastreamsegmenter 1080p.sh

	#!/bin/sh

	# streaming 1080p h264 to the ipad

	# vod style program
	ffmpeg -i infile.mkv -acodec libfaac -ac 2 -ar 48000 -ab 160k -vcodec copy -vbsf h264_mp4toannexb -f mpegts - \| mediastreamsegmenter -f /Users/username/Sites/video/stream -t 30 -p


	# delete files to save space
	ffmpeg -i infile.mkv -acodec libfaac -ac 2 -ar 48000 -ab 160k -vcodec copy -vbsf h264_mp4toannexb -f mpegts - \| mediastreamsegmenter -f /Users/username/Sites/video/stream -t 30 -s 4 -D

Igor Gavrilov mytholog