Jiefu mikkkee

6.828 2014 L1: O/S overview

6.828 goals
- Understand operating systems in detail by designing and implementing a small O/S
- Hands-on experience with building systems ("Applying 6.033")

Download [OpenCV][1] and extract it to desired directory, for example D:\opencv.
Set up environment variables for Windows:
1. OPENCV_DIR = D:\opencv\build
2. Add %OPENDC_DIR%\x86\vc12\bin to PATH
Set up properties of MicroSoft Visual Studio project (Only works for OpenCV 3, need to add [more files][2] in step iv for OpenCV 2):
1. Right click on project name in Solution Explorer and choose Properties.
2. In Configuration Properties -> C/C++ -> General -> Additional Include Directories,

[When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?][1]
[What are the basic rules and idioms for operator overloading in C++?][2]
[Why would one replace default new and delete operators?][3]
[What is the copy-and-swap idiom?][4]
[What is the difference between #include and #include “filename”?][5]
[What can I use to profile C++ code in Linux?][6]
[C++ multithreading?][7]
[When and how should dynamic memory allocation and pointers be used?][8]

	"""
	Create a spinning cursor or progress bar in terminal can be useful
	for some scripts.

	1. Use '\r' to move cursor back to the line beginning. Or use '\b'
	to erase the last character.
	2. The standard out of Python is buffered, which means it will
	collect some data written to standard out before it actually
	writes to the terminal.
	The code snippet

	main.o: In function `MAIN__':
	main.f90:(.text+0xf73f): undefined reference to `sol_writer_'
	pot.o: In function `pot_mp_potlok_':
	pot.f90:(.text+0x1b1e): undefined reference to `sol_vcorrection_'
	make: *** [vasp] Error 1

	// Package p contains an HTTP Cloud Function.
	package p

	import (
	"encoding/json"
	"fmt"
	"net/http"
	"sort"
	"strings"