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@dergachev
dergachev / GIF-Screencast-OSX.md
Last active April 1, 2025 01:48
OS X Screencast to animated GIF

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Screencapture GIF

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

@hSATAC
hSATAC / gist:5343225
Created April 9, 2013 05:38
Http Redirect in Golang
package main
import (
"log"
"net/http"
)
func redirect(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "http://www.google.com", 301)
@Mortimerp9
Mortimerp9 / Retry.scala
Last active July 3, 2022 22:35
A retry implementation for Scala, a bit of explanations here: http://pierreandrews.net/posts/retry-fail-scala.html
import scala.concurrent.Await
import scala.concurrent.ExecutionContext
import scala.concurrent.Future
import scala.concurrent.blocking
import scala.concurrent.duration.Deadline
import scala.concurrent.duration.Duration
import scala.concurrent.duration.DurationInt
import scala.concurrent.duration.DurationLong
import scala.concurrent.future
import scala.concurrent.promise
@heatxsink
heatxsink / glog-example.go
Last active March 25, 2023 06:02
An example of how to use golang/glog.
/*
glog-example
------------
background
---
You probably want to read the source code comments at the top of the glog.go file in
the golang/glog repository on github.com. Located here: https://github.com/golang/glog/blob/master/glog.go
setup
@fancellu
fancellu / MergeSort.scala
Created November 25, 2015 12:12
MergeSort in Scala with recursive merge
object MergeSort {
// recursive merge of 2 sorted lists
def merge(left: List[Int], right: List[Int]): List[Int] =
(left, right) match {
case(left, Nil) => left
case(Nil, right) => right
case(leftHead :: leftTail, rightHead :: rightTail) =>
if (leftHead < rightHead) leftHead::merge(leftTail, right)
else rightHead :: merge(left, rightTail)
@karpathy
karpathy / pg-pong.py
Created May 30, 2016 22:50
Training a Neural Network ATARI Pong agent with Policy Gradients from raw pixels
""" Trains an agent with (stochastic) Policy Gradients on Pong. Uses OpenAI Gym. """
import numpy as np
import cPickle as pickle
import gym
# hyperparameters
H = 200 # number of hidden layer neurons
batch_size = 10 # every how many episodes to do a param update?
learning_rate = 1e-4
gamma = 0.99 # discount factor for reward
@alexislucena
alexislucena / install-scala-sbt-and-java-on-ubuntu.md
Created December 5, 2016 12:35
Ubuntu: Install Scala, SBT and Java on Ubuntu 16.04

Install Scala 2.11.8

$ sudo apt-get remove scala-library scala
$ sudo wget www.scala-lang.org/files/archive/scala-2.11.8.deb
$ sudo dpkg -i scala-2.11.8.deb

Check Scala version

$ scala -version
@ruzickap
ruzickap / aws_create_site.yml
Created February 16, 2017 12:35
Ansible playbook which creates instances and tag volumes
---
- name: Create Instance in AWS
hosts: localhost
connection: local
gather_facts: false
vars:
aws_access_key: "xxxxxx"
aws_secret_key: "xxxxxx"
security_token: "xxxxxx"
@jubel-han
jubel-han / pipeline_venv_workarounds.groovy
Created April 13, 2017 08:14
Jenkins pipeline python virtualenv workarounds
node {
stage 'Checkout and Build'
createVirtualEnv 'env'
executeIn 'env', 'pip install -r requirements.txt'
executeIn 'env', './manage.py test'
executeIn 'env', './manage.py integration-test'
virtualEnv('true')
runCmd('pip install -r requirements.txt')
@EvenOldridge
EvenOldridge / ExportKerasToTensorflowServing.py
Last active January 11, 2019 21:42
Export a Keras Model for Tensorflow Serving
import numpy as np
import tensorflow as tf
import keras as k
from keras.applications.resnet50 import ResNet50
from keras import backend as K
from keras.layers.core import Flatten, Dense, Dropout, Lambda
from keras.models import Model
from keras.preprocessing import image