Capacitor, BigQuery’s next-generation columnar storage format

Hacker News

we'll be able to take great advantage of RLE, and will end up with a total of 9 runs. This permutation is the optimal solution for the given input, and it produces better results than lexicographical sort by any combination of columns. Unfortunately,…

26 April 2016

How We Made MySQL Great Again, or Upgrading MySQL with Orchestrator

MySQL Performance Blog

In this blog post, we’ll discuss upgrading MySQL with Orchestrator. I recently had a client, Life360, that wanted to upgrade from Percona Server 5.5 to Percona Server 5.6, and implement GTID in their high transaction environment. ...

26 April 2016

Building a GSM BTS Using the BladeRF, RPi and YateBTS

Hacker News

I was always amazed when I read articles published by some hackers related to GSM technology. However, playing with GSM technologies was not cheap until the arrival of Software Defined Radios (SDRs), besides not being something easy to be implemented. …

25 April 2016

Dropbox as a Git Server

Hacker News

git-remote-dropbox is now on PyPI! Get it with pip install git-remote-dropbox. As far as I know, git-remote-dropbox is the only safe way to host a Git repository on Dropbox. Read about why here. Once it’s installed, using Dropbox as a Git server is as…

25 April 2016

Technical Documentation Should Be a Graph

Hacker News

TL;DR: This blog post is mainly about how technical documentation should ideally be structured: as a graph (not to be confused with a chart). As a software developer and author I have had the chance (and also the obligation) to write about software from…

25 April 2016

55% off Wansview Wireless IP Security Camera - Deal Alert

Macworld

This security camera from Wansview currently averages 4 out of 5 stars from 180 reviewers on Amazon (read reviews). It lists for $199.99, but with the current 55% discount you save $110 and can buy it for just $89.99. The unit has clarity up to 1920x1080,…

25 April 2016

Swiss ISP hijacks IP prefixes of high profile networks

Hacker News

Starting today at 17:09 UTC our systems detected a large scale routing incident affecting hundreds of Autonomous systems. Many BGPmon users have received an email informing them of this change. Our initial investigation shows that the scope of this…

23 April 2016

Scala vs. Node.js as a RESTful back end server (2015)

Hacker News

I’ve been involved with full-stack development for a while now, especially stacks involving single page apps. When choosing to go with a single page webapp the backend concerns change. While any backend will do the job (think ruby, python, java, etc.) more…

23 April 2016

Making 1M requests with Python-aiohttp

Hacker News

In this post I’d like to test limits of python aiohttp and check its performance in terms of requests per minute. Everyone knows that asynchronous code performs better when applied to network operations, but it’s still interesting to check this…

23 April 2016