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@robinkraft
robinkraft / projected_area.py
Created December 12, 2014 00:37
get the area in square meters of a polygon using shapely and pyproj
import pyproj
from shapely.geometry import shape
from shapely.ops import transform
geom = {'type': 'Polygon',
'coordinates': [[[-122., 37.], [-125., 37.],
[-125., 38.], [-122., 38.],
[-122., 37.]]]}
s = shape(geom)
@mythz
mythz / gist:c82c770cc17f11bb38df
Created January 16, 2015 18:06
Undocumented but useful built-in functions for Swift
Can be extracted from `libswiftCore.dylib` with:
cd `xcode-select -p`/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/macosx
nm -a libswiftCore.dylib | grep "T _swift_"
Output:
00000000001a4fc0 T _swift_ClassMirror_count
00000000001a52a0 T _swift_ClassMirror_quickLookObject
00000000001a5000 T _swift_ClassMirror_subscript
@iamralch
iamralch / sshtunnel.go
Last active April 16, 2023 03:07
SSH tunnelling in Golang
package main
import (
"log"
"bufio"
"time"
"os"
"fmt"
"io"
"net"
@karpathy
karpathy / min-char-rnn.py
Last active May 11, 2024 20:19
Minimal character-level language model with a Vanilla Recurrent Neural Network, in Python/numpy
"""
Minimal character-level Vanilla RNN model. Written by Andrej Karpathy (@karpathy)
BSD License
"""
import numpy as np
# data I/O
data = open('input.txt', 'r').read() # should be simple plain text file
chars = list(set(data))
data_size, vocab_size = len(data), len(chars)
@cesarferreira
cesarferreira / RxJava.md
Last active February 2, 2022 07:28
Party tricks with RxJava, RxAndroid & Retrolambda

View Click

Instead of the verbose setOnClickListener:

RxView.clicks(submitButton).subscribe(o -> log("submit button clicked!"));

Filter even numbers

Observable
    .just(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
@lopspower
lopspower / README.md
Last active May 14, 2024 14:36
Hexadecimal color code for transparency

Hexadecimal color code for transparency

Twitter

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

Download This sample on Google Play Store

@egorf
egorf / bluetoothctl.py
Created March 22, 2016 10:30
Bluetoothctl wrapper in Python
# ReachView code is placed under the GPL license.
# Written by Egor Fedorov (egor.fedorov@emlid.com)
# Copyright (c) 2015, Emlid Limited
# All rights reserved.
# If you are interested in using ReachView code as a part of a
# closed source project, please contact Emlid Limited (info@emlid.com).
# This file is part of ReachView.
# coding: utf-8
# Imports
import os
import cPickle
import numpy as np
import theano
import theano.tensor as T
@mjambon
mjambon / ocaml_lwt_sample.ml
Last active May 29, 2022 19:59
OCaml/Lwt crash course. Adult supervision recommended.
(*
Interactive approach
--------------------
You can copy-paste code into `utop`, provided you load the lwt.unix
package:
#use "topfind";;
#thread;; (* only needed in the plain `ocaml` toplevel, not in `utop`. *)
#require "lwt.unix";;
@chrishoffman
chrishoffman / pki-setup.sh
Last active July 19, 2023 15:52
Vault Multi-Level CA Setup
vault mount pki
vault mount -path=pki1 pki
vault mount -path=pki2 pki
vault mount -path=pki3 pki
vault mount-tune -max-lease-ttl=87600h pki
vault mount-tune -max-lease-ttl=87600h pki1
vault mount-tune -max-lease-ttl=87600h pki2
vault mount-tune -max-lease-ttl=87600h pki3
vault write pki/root/generate/internal common_name="Vault Testing Root Authority" ttl=87600h