/.../
: Start and end regex delimiters|
: Alternation()
: Grouping
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# Example YAML configuration for the sidecar pattern. | |
# It defines a main application container which writes | |
# the current date to a log file every five seconds. | |
# The sidecar container is nginx serving that log file. | |
# (In practice, your sidecar is likely to be a log collection | |
# container that uploads to external storage.) | |
# To run: |
- https://ferd.ca/a-distributed-systems-reading-list.html
- http://the-paper-trail.org/blog/distributed-systems-theory-for-the-distributed-systems-engineer/
- https://github.com/palvaro/CMPS290S-Winter16/blob/master/readings.md
- http://muratbuffalo.blogspot.com/2015/12/my-distributed-systems-seminars-reading.html
- http://christophermeiklejohn.com/distributed/systems/2013/07/12/readings-in-distributed-systems.html
- http://michaelrbernste.in/2013/11/06/distributed-systems-archaeology-works-cited.html
- http://rxin.github.io/db-readings/
- http://research.microsoft.com/en-us/um/people/lamport/pubs/pubs.html
- http://pdos.csail.mit.edu/dsrg/papers/
- http://scalingsystems.com/2011/09/07/reading-list-for-distributed-systems/
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if _, err := os.Stat("/path/to/whatever"); os.IsNotExist(err) { | |
// path/to/whatever does not exist | |
} | |
if _, err := os.Stat("/path/to/whatever"); !os.IsNotExist(err) { | |
// path/to/whatever exists | |
} |
Express makes it easy to nest routes in your routers. But I always had trouble accessing the request object's .params
when you had a long URI with multiple parameters and nested routes.
Let's say you're building routes for a website www.music.com
. Music is organized into albums with multiple tracks. Users can click to see a track list. Then they can select a single track and see a sub-page about that specific track.
At our application level, we could first have a Router to handle any requests to our albums.
const express = require('express');
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// Module dependencies | |
var express = require('express'), | |
mysql = require('mysql'); | |
// Application initialization | |
var connection = mysql.createConnection({ | |
host : 'localhost', | |
user : 'root', |
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# Redis Cheatsheet | |
# All the commands you need to know | |
redis-server /path/redis.conf # start redis with the related configuration file | |
redis-cli # opens a redis prompt | |
# Strings. |
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package main | |
import ( | |
"fmt" | |
"os" | |
"os/exec" | |
"syscall" | |
) | |
func main() { |
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# Hello, and welcome to makefile basics. | |
# | |
# You will learn why `make` is so great, and why, despite its "weird" syntax, | |
# it is actually a highly expressive, efficient, and powerful way to build | |
# programs. | |
# | |
# Once you're done here, go to | |
# http://www.gnu.org/software/make/manual/make.html | |
# to learn SOOOO much more. |
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