So you want to write a sync system for a web app with offline and realtime support? Good luck. You might find the following resources useful.
Database in a browser, a spec (Stepan Parunashvili)
What problem are we trying to solve with a sync system?
The web of tomorrow (Nikita Prokopov)
| package main | |
| import ( | |
| "context" | |
| "encoding/json" | |
| "fmt" | |
| "io" | |
| "log" | |
| "sync/atomic" | |
| "time" |
| #lang racket | |
| (require racket/generic | |
| racket/match | |
| racket/pretty | |
| struct-update | |
| threading) | |
| (define flip | |
| (curry (λ (f a b) (f b a)))) |
| #!/bin/bash | |
| mkdir /tmp/adodefont | |
| cd /tmp/adodefont | |
| mkdir -p ~/.fonts | |
| wget https://github.com/adobe-fonts/source-code-pro/archive/2.030R-ro/1.050R-it.zip | |
| unzip 1.050R-it.zip | |
| cp source-code-pro-2.030R-ro-1.050R-it/OTF/*.otf ~/.fonts/ | |
| wget https://github.com/adobe-fonts/source-serif-pro/archive/2.000R.zip |
| CREATE TABLE `cities` ( | |
| `id` Int( 11 ) AUTO_INCREMENT NOT NULL, | |
| `name` VarChar( 255 ) CHARACTER SET utf8 COLLATE utf8_unicode_ci NULL, | |
| PRIMARY KEY ( `id` ) ) | |
| CHARACTER SET = utf8 | |
| COLLATE = utf8_unicode_ci | |
| ENGINE = InnoDB | |
| AUTO_INCREMENT = 82; | |
| INSERT INTO `cities` (`id`,`name`) VALUES ( 1,'Adana' ); |
| go test -run=. -bench=. -benchtime=5s -count 5 -benchmem -cpuprofile=cpu.out -memprofile=mem.out -trace=trace.out ./package | tee bench.txt | |
| go tool pprof -http :8080 cpu.out | |
| go tool pprof -http :8081 mem.out | |
| go tool trace trace.out | |
| go tool pprof $FILENAME.test cpu.out | |
| # (pprof) list <func name> | |
| # go get -u golang.org/x/perf/cmd/benchstat | |
| benchstat bench.txt |
| (* | |
| * Tested on PolyML. `polyc server.ml && ./a.out` | |
| *) | |
| fun println s = | |
| (print (s ^ "\n"); TextIO.flushOut TextIO.stdOut) | |
| fun readAll conn req = | |
| let val ntoread = Socket.Ctl.getNREAD conn in | |
| if ntoread > 0 |
| defmodule Bumper do | |
| @doc ~S""" | |
| Reads a Bitmap (24-bit) and displays width, height, and the RGB of each pixel | |
| """ | |
| def show(filename) do | |
| {:ok, bindata} = File.read(filename) | |
| << "BM", | |
| _::size(64), | |
| offset_to_pixels::size(32)-little, |
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
| --- A simple module to read ID3 tags from MP3 files. | |
| -- Supports ID3v1 tags and a (meaningful) subset of ID3v2 tags. | |
| -- @class module | |
| -- @name id3 | |
| -- @author Michal Kottman | |
| -- @copyright 2011, released under MIT license | |
| local id3 = {} | |
| local function textFrame(name) |
