NickNaso

FROM golang:1.9

RUN mkdir -p /go/src/github.com/purplebooth/example
WORKDIR /go/src/github.com/purplebooth/example
COPY . .
RUN go build -ldflags "-linkmode external -extldflags -static" -a main.go

FROM scratch
COPY --from=0 /go/src/github.com/purplebooth/example/main /main
CMD ["/main"]

NickNaso

package main

//#include<stdio.h>
//void inC() {
//    printf("I am in C code now!\n");
//}
import "C"
import "fmt"

func main() {

NickNaso

#include <stdio.h>
#include <node.h>

class WeakRef {
 public:
  WeakRef(v8::Isolate* isolate, v8::Local<v8::Value> func, const char* string):
      string_(string) {
    pers_.Reset(isolate, func);
    pers_.SetWeak(this, DeleteMe, v8::WeakCallbackType::kParameter);
  }

NickNaso

git branch -m old_branch new_branch         # Rename branch locally    
git push origin :old_branch                 # Delete the old branch    
git push --set-upstream origin new_branch   # Push the new branch, set local branch to track the new remote

NickNaso

/* test load from stream
 *
 * compile with:
 *
 *      gcc -g -Wall load-from-stream.c `pkg-config vips --cflags --libs`
 *
 * test with:
 *
 *      cat k2.jpg k4.jpg | ./a.out
 */

NickNaso

Here's how you could create custom error classes in Node.js using latest ES6 / ES2015 syntax.

I've tried to make it as lean and unobtrusive as possible.

Defining our own base class for errors

errors/AppError.js

NickNaso

{
  "targets": [
    {
      "target_name": "example_addon",
      "sources": [ "example_addon.c" ],
      "include_dirs": [ "<!@(node -p \"require('node-addon-api').include\")" ],
      "dependencies": [ "<!@(node -p \"require('node-addon-api').gyp\")" ]
    }
  ]
}

NickNaso

A quick overview of the node.js streams interface with basic examples.

This is based on @brycebaril's presentation, Node.js Streams2 Demystified

Overview

Streams are a first-class construct in Node.js for handling data.

Think of them as as lazy evaluation applied to data.

NickNaso

for i in `ls *.svg`
  rsvg-convert -f pdf -o PDF/${i}.pdf $i

NickNaso

#user  nobody;
#Defines which Linux system user will own and run the Nginx server

worker_processes  1;
#Referes to single threaded process. Generally set to be equal to the number of CPUs or cores.

#error_log  logs/error.log; #error_log  logs/error.log  notice;
#Specifies the file where server logs.