jorotenev

If some lost soul is searching for a way to validate a json schema in NativeScript, the only plugin that I found to work is tv4(https://github.com/geraintluff/tv4)

jorotenev

./thesis
├── docker-compose.yaml
├── micrsoserviceX
├── micrsoserviceY
├── memory-engine

Subtree workflows

Adapted from here. Below is an executive summary for the use case of a university collaborative thesis project.

dmpop

#!/bin/bash
uuser="unsplash_user_name"
path="path/to/dir"
size=$(xdpyinfo | grep dimensions | awk '{print $2}')
curl "https://source.unsplash.com/user/$uuser/$size" --location --output $path/unsplash-random.jpeg
gsettings set org.gnome.desktop.background picture-uri file://$path/unsplash-random.jpeg

hirobert

from flask import abort, make_response, jsonify
abort(make_response(jsonify(message="Message goes here"), 400))

colinvh

Alternative naming schemes for AWS regions

Purpose

The intent is to define terse, standards-supported names for AWS regions.

Schemes

psayre23

Below are the Big O performance of common functions of different Java Collections.


List                 | Add  | Remove | Get  | Contains | Next | Data Structure
---------------------|------|--------|------|----------|------|---------------
ArrayList            | O(1) |  O(n)  | O(1) |   O(n)   | O(1) | Array
LinkedList           | O(1) |  O(1)  | O(n) |   O(n)   | O(1) | Linked List
CopyOnWriteArrayList | O(n) |  O(n)  | O(1) |   O(n)   | O(1) | Array

ghaering

service salt-minion stop
rm -f /etc/salt/pki/minion/minion_master.pub
echo "master: salt" > /etc/salt/minion
service salt-minion start

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD