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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

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FFmpeg cheat sheet

A list of useful commands for the ffmpeg command line tool.

Download FFmpeg: https://www.ffmpeg.org/download.html

Full documentation: https://www.ffmpeg.org/ffmpeg.html

Basic conversion

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@echo off

:======================================================================================================================================================
:Thanks to abbodi1406 for SppExtComObjPatcher-kms\2-Activate-Local.cmd, which used as base in this script 
:Thanks to rpo for the Great and Continued help in improving this script.
:Thanks to AR_Alex for the ideas and suggestions.
:======================================================================================================================================================

::===========================================================================
fsutil dirty query %systemdrive%  >nul 2>&1 || (

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# Download from
# http://security.debian.org/debian-security/pool/updates/main/c/chromium-browser/chromium-browser_60.0.3112.78-1~deb9u1.debian.tar.xz
# API keys assigned to Debian by Google for access to their services like sync and gmail.

# *nix
export GOOGLE_API_KEY="AIzaSyCkfPOPZXDKNn8hhgu3JrA62wIgC93d44k"
export GOOGLE_DEFAULT_CLIENT_ID="811574891467.apps.googleusercontent.com"
export GOOGLE_DEFAULT_CLIENT_SECRET="kdloedMFGdGla2P1zacGjAQh"

# OSX

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SQL to MongoDB Mapping Chart

SQL to MongoDB Mapping Chart¶

In addition to the charts that follow, you might want to consider the Frequently Asked Questions section for a selection of common questions about MongoDB.

Executables¶

The following table presents the MySQL/Oracle executables and the corresponding MongoDB executables.

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How to use Qt that installed by Vcpkg with Qt Creator

(0) Install Qt using Vcpkg

Vcpkgを使用してQtをインストールする。(e.g. C:\vcpkg)

cd C:\vcpkg
.\vcpkg install qt5:x64-windows

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Install mosquitto with websockets

This is a guide how to install mosquitto on Ubuntu with websockets enabled.

It is more or less the same as explained in the article "Six Steps to install mosquitto 1.4.2 with websockets on debian whezy" http://www.xappsoftware.com/wordpress/2015/05/18/six-steps-to-install-mosquitto-1-4-2-with-websockets-on-debian-wheezy/comment-page-1/

Exceptions:

1. mosquitto version 1.4.10 is used.

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# -*- coding: cp950 -*-
'''
Everything Search Engine SDK 封裝

'''
__author__ = 'Chui-Wen Chiu'
__version__ = "0.0.1"

from ctypes import *
from ctypes.wintypes import *

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Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

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#! /usr/bin/env bash

# Target and build configuration.
TARGET=arm-none-eabi
PREFIX=/opt/arm-none-eabi-4.7.1

# Sources to build from.
BINUTILS=binutils-2.23.1
GCC=gcc-4.7.1
NEWLIB=newlib-1.20.0