EtienneR

// Get all users
var url  = "http://localhost:8080/api/v1/users";
var xhr  = new XMLHttpRequest()
xhr.open('GET', url, true)
xhr.onload = function () {
	var users = JSON.parse(xhr.responseText);
	if (xhr.readyState == 4 && xhr.status == "200") {
		console.table(users);
	} else {
		console.error(users);

guumaster

Upload a file with $.ajax to AWS S3 with a pre-signed url

When you read about how to create and consume a pre-signed url on this guide, everything is really easy. You get your Postman and it works like a charm in the first run.

Then you open your browser, try your usual $.ajax() and send your PUT operation, and you hit the cold iced wall of AWS error message, a simple <Code>SignatureDoesNotMatch</Code> that will steal hours from your productivity.

So here I come to save you and give you a free working example of how to upload a file directly to AWS S3 from your browser. You are wellcome :).

nmerouze

package main

import (
	"encoding/json"
	"log"
	"net/http"
	"reflect"
	"time"

	"github.com/gorilla/context"

nmerouze

package main

import (
	"database/sql"
	"encoding/json"
	"errors"
	"fmt"
	"log"
	"net/http"
	"time"

branneman

Better local require() paths for Node.js

Problem

When the directory structure of your Node.js application (not library!) has some depth, you end up with a lot of annoying relative paths in your require calls like:

const Article = require('../../../../app/models/article');

Those suck for maintenance and they're ugly.

Possible solutions

kennydude

						// Encrypt where jo is input, and query is output and ENCRPYTION_KEy is key
						byte[] input = jo.toString().getBytes("utf-8");
						
						MessageDigest md = MessageDigest.getInstance("MD5");
						byte[] thedigest = md.digest(ENCRYPTION_KEY.getBytes("UTF-8"));
						SecretKeySpec skc = new SecretKeySpec(thedigest, "AES/ECB/PKCS5Padding");
						Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
						cipher.init(Cipher.ENCRYPT_MODE, skc);
						
						byte[] cipherText = new byte[cipher.getOutputSize(input.length)];

fduran

#!/bin/bash
# www.fduran.com
# script that will send an email to EMAIL when disk use in partition PART is bigger than %MAX
# adapt these 3 parameters to your case
MAX=95
EMAIL=alert@example.com
PART=sda1

USE=`df -h |grep $PART | awk '{ print $5 }' | cut -d'%' -f1`
if [ $USE -gt $MAX ]; then