JavaScriptDude

import time, sys, os

class SingleInstanceChecker:
    def __init__(self, id):
        if isWin():
            ensure_win32api()
            self.mutexname = id
            self.lock = win32event.CreateMutex(None, False, self.mutexname)
            self.running = (win32api.GetLastError() == winerror.ERROR_ALREADY_EXISTS)

westphallm1

Raspberry Pi Ubuntu Spinnaker SDK Setup

These steps describe using an Ubuntu desktop environment to install Ubuntu and the Spinnaker Python interface on a Raspberry Pi 3 B+. Commands to be run on the desktop are prefaced with (desktop)$, and commands to be run on the Raspberry Pi are prefaced with (pi)$

1. Flash the latest Ubuntu image (at the time of writing: 18.04) to an SD card and perform first-time setup by following these instructions. You will need an HDMI cable, a monitor, and a keyboard. The Raspberry Pi must also be connected to your local network via Ethernet.

wojteklu

Code is clean if it can be understood easily – by everyone on the team. Clean code can be read and enhanced by a developer other than its original author. With understandability comes readability, changeability, extensibility and maintainability.

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General rules

1. Follow standard conventions.
2. Keep it simple stupid. Simpler is always better. Reduce complexity as much as possible.
3. Boy scout rule. Leave the campground cleaner than you found it.
4. Always find root cause. Always look for the root cause of a problem.

Design rules