jruizvar

Building OpenCV 3.2.0 from source with Python 3 support

Install OpenCV on macOS Sierra enabling Python 3 with the following instructions:

• Install CMake, Python 3 + Numpy in advance
• Download latest OpenCV source code (https://github.com/opencv/opencv/releases)
• Move the folder opencv-3.2.0 to the current directory
• In the current directory, execute the following steps:

mkdir build

pythonhacker

import threading
import time

class TTLDict(dict):
    """ A dictionary with keys having specific time to live """

    def __init__(self, ttl=5):
        self._ttl = ttl
        # Internal key mapping keys of _d
        # to times of access

jmvrbanac

import os

import falcon
import jinja2


def load_template(name):
    path = os.path.join('templates', name)
    with open(os.path.abspath(path), 'r') as fp:
        return jinja2.Template(fp.read())

leonjza

import socket
 
class Netcat:

    """ Python 'netcat like' module """

    def __init__(self, ip, port):

        self.buff = ""
        self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

olebedev

#!/usr/bin/env bash
rm go-swarm.test || true
nohup go test -c -gcflags '-N -l' -work github.com/olebedev/go-swarm
WORK=$(cat nohup.out)
rm nohup.out
cgdb go-swarm.test -- -d ${WORK#WORK=} || rm go-swarm.test || true
# gdb --tui go-swarm.test -d ${WORK#WORK=} || rm go-swarm.test || true
rm go-swarm.test || true
echo ${WORK#WORK=}

davidvthecoder

package main

import (
	"log"
	"math"
)

func Round(val float64, roundOn float64, places int ) (newVal float64) {
	var round float64
	pow := math.Pow(10, float64(places))

ibeex

A warning occurred (42 apples)
An error occurred

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

samuraisam

#Copyright (c) 2010-2013 Samuel Sutch [samuel.sutch@gmail.com]
#
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:
#
#The above copyright notice and this permission notice shall be included in