eSoares eSoares

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

The netfilter hooks in the kernel and where they hook in the packet flow

The figure below calls out

The netfilter hooks
The order of table traversal

You can use this class to realize a simple sectioned RecyclerView.Adapter without changing your code.

The RecyclerView should use a LinearLayoutManager. You can use this code also with the TwoWayView with the ListLayoutManager (https://github.com/lucasr/twoway-view)

This is a porting of the class SimpleSectionedListAdapter provided by Google

Example:

ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!

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	Copyright 2020 Aubrey Taylor

	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 all copies or substantial portions of the Software.

	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTH

	/*
	* Copyright (C) 2014 skyfish.jy@gmail.com
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software

	/***
	* Android L (lollipop, API 21) introduced a new problem when trying to invoke implicit intent,
	* "java.lang.IllegalArgumentException: Service Intent must be explicit"
	*
	* If you are using an implicit intent, and know only 1 target would answer this intent,
	* This method will help you turn the implicit intent into the explicit form.
	*
	* Inspired from SO answer: http://stackoverflow.com/a/26318757/1446466
	* @param context
	* @param implicitIntent - The original implicit intent

	import ctypes, sys
	from ctypes import windll, wintypes
	from uuid import UUID

	class GUID(ctypes.Structure): # [1]
	_fields_ = [
	("Data1", wintypes.DWORD),
	("Data2", wintypes.WORD),
	("Data3", wintypes.WORD),
	("Data4", wintypes.BYTE * 8)

	package me.kennydude.spending.widgets;

	import android.content.Context;
	import android.content.res.TypedArray;
	import android.graphics.*;
	import android.graphics.drawable.Drawable;
	import android.graphics.drawable.StateListDrawable;
	import android.text.Editable;
	import android.text.TextPaint;
	import android.text.TextWatcher;

	dependencies {
	compile 'com.android.support:appcompat-v7:21.+'
	compile 'com.wrapp.floatlabelededittext:library:0.0.5'
	}