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Niclas sphrak

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@nathakits
nathakits / README.md
Last active August 25, 2023 17:59
Creating a `.desktop` file in Ubuntu that launches a Python script

Creating a .desktop file in Ubuntu that launches a Python script

Here we will make two .desktop files that will launch Pupil Capture and Pupil Player.

Steps

  1. Right click on your desktop and create a new empty document.
  2. Set the document file type by Renaming the document that ends with .desktop
  3. Drag the document into a text editor and edit the document with the example code below

Note: Change the X-Icon-Path to the icon you want to use and Execpath to where Pupil Capturemain.py` is located on your machine (see example pupil.desktop for reference)

@andymatuschak
andymatuschak / States-v3.md
Last active March 23, 2024 04:53
A composable pattern for pure state machines with effects (draft v3)

A composable pattern for pure state machines with effects

State machines are everywhere in interactive systems, but they're rarely defined clearly and explicitly. Given some big blob of code including implicit state machines, which transitions are possible and under what conditions? What effects take place on what transitions?

There are existing design patterns for state machines, but all the patterns I've seen complect side effects with the structure of the state machine itself. Instances of these patterns are difficult to test without mocking, and they end up with more dependencies. Worse, the classic patterns compose poorly: hierarchical state machines are typically not straightforward extensions. The functional programming world has solutions, but they don't transpose neatly enough to be broadly usable in mainstream languages.

Here I present a composable pattern for pure state machiness with effects,

@0XDE57
0XDE57 / config.md
Last active March 25, 2024 20:49
Firefox about:config privacy settings

ABOUT

about:config settings to harden the Firefox browser. Privacy and performance enhancements.
To change these settings type 'about:config' in the url bar. Then search the setting you would like to change and modify the value. Some settings may break certain websites from functioning and rendering normally. Some settings may also make firefox unstable. I am not liable for any damages/loss of data.

Not all these changes are necessary and will be dependent upon your usage and hardware. Do some research on settings if you don't understand what they do. These settings are best combined with your standard privacy extensions (HTTPS EverywhereNo longer required: Enable HTTPS-Only Mode, NoScript/Request Policy, uBlock origin, agent spoofing, Privacy Badger etc), and all plugins set to "Ask To Activate".

@nickbutcher
nickbutcher / 1 search_bar.xml
Last active March 26, 2022 10:03
Demonstrating morphing a search icon into a search field. To do this we use an AnimatedVectorDrawable (https://developer.android.com/reference/android/graphics/drawable/AnimatedVectorDrawable.html) made up of two paths. The first is the search icon (as a single line) the second is the horizontal bar. We then animate the 'trimPathStart' property …
<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2015 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
@staltz
staltz / introrx.md
Last active March 26, 2024 00:52
The introduction to Reactive Programming you've been missing
@mattlewissf
mattlewissf / add-p.md
Last active March 24, 2024 07:39
Lightning Talk: Git add -p

git add -p is your friend

git add -p is basically "git add partial (or patch)"

Patch mode allows you to stage parts of a changed file, instead of the entire file. This allows you to make concise, well-crafted commits that make for an easier to read history. This feature can improve the quality of the commits. It also makes it easy to remove parts of the changes in a file that were only there for debugging purposes - prior to the commit without having to go back to the editor.

It allows you to see the changes (delta) to the code that you are trying to add, and lets you add them (or not) separately from each other using an interactive prompt. Here's how to use it:

from the command line, either use

  • git add -p
@willurd
willurd / web-servers.md
Last active March 26, 2024 18:11
Big list of http static server one-liners

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000
@jboner
jboner / latency.txt
Last active March 28, 2024 15:49
Latency Numbers Every Programmer Should Know
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
@pkese
pkese / gist:2790749
Created May 25, 2012 21:36
Django&PostgreSQL: LISTEN + NOTIFY = Async notifications
##########################################################
# django postgres polling - LISTEN
import psycopg2.extensions
import select
from django.db import connection
crs = connection.cursor() # get the cursor and establish the connection.connection
pg_con = connection.connection