erizhang’s gists

erizhang / commands-of-install-emacs24

Created October 22, 2013 07:57

Install emacs24 ppa version under ubuntu

	sudo apt-get purge emacs-snapshot-common emacs-snapshot-bin-common emacs-snapshot emacs-snapshot-el emacs-snapshot-gtk emacs23 emacs23-bin-common emacs23-common emacs23-el emacs23-nox emacs23-lucid auctex emacs24 emacs24-bin-common emacs24-common
	sudo add-apt-repository ppa:cassou/emacs
	sudo apt-get update
	sudo apt-get install emacs-snapshot-el emacs-snapshot-gtk emacs-snapshot
	sudo apt-get install emacs24 emacs24-el
	emacs --version

erizhang / table_driven.c

Last active December 27, 2015 13:28

This code snippet illustrate how validate members value a specific structure. It's implemented in table driven way. One hand, it separate the content definition and mechanism, on the other hand, it can reduce the complexity of structure comparing once there are too much members were defined in the structure.

	#include <stdio.h>
	#include <stdlib.h>
	#include <stddef.h>

	typedef struct __sample_t {
	int a;
	int b;
	}sample_t;

	typedef struct __structure_threshold_t

erizhang / build.csv

Last active August 29, 2015 14:02

d3js StackedBar

build	waiting	duration
001	3	5
002	6	6
003	13	12
005	7	2
006	5	10

erizhang / donut.html

Last active August 29, 2015 14:04

Generate a donut chart in d3js

	<!DOCTYPE HTML>
	<html>
	<head>
	<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
	</head>
	<body>
	<script>
	var data = [21, 32, 35, 64, 83];
	var color = d3.scale.category10();
	var pie = d3.layout.pie();

erizhang / plotarea.html

Created July 30, 2014 08:01

Plotarea implementation in d3js

	<!DOCTYPE HTML>
	<html>
	<head>
	<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
	<style>
	path{stroke: white; strok-width; 2; fill: steelblue;}
	.plot{fill: none; stroke: #aec7e8; stroke-width: 2;}
	circle{fill: steelblue; stroke: white;}
	</style>
	</head>

erizhang / diagonalSample.html

Created August 1, 2014 03:02

	<!DOCTYPE HTML>
	<html>
	<head>
	<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
	<style>
	path {stroke: black; storke-width: 2; fill: none;}
	.plot {fill: none; stroke: #aec7e8; stroke-width: 2;}
	circle {fill: steelblue; stroke: white;}
	</style>
	</head>

erizhang / lineRadial.html

Created August 1, 2014 05:39

	<!DOCTYPE html>
	<html>
	<head>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<style>
	body {margin: 0;}
	circle {fill: orange; stroke: #333;}
	path {fill: steelblue; stroke: #333; stroke-width: 4;}
	</style>
	</head>

erizhang / linepolate.html

Created August 4, 2014 06:13

	<!DOCTYPE HTML>
	<html>
	<head>
	<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
	<style>
	path {stroke: white; stroke-width: 2; fill:black;}
	body, svg {background-color: black;}
	</style>
	</head>
	<body>

erizhang / .emacs

Last active November 12, 2019 14:58

emacs configuration for c/c++

	; start package.el with emacs
	(require 'package)
	; add MELPA to repository list
	(add-to-list 'package-archives '("melpa" . "http://melpa.milkbox.net/packages/"))
	; initialize package.el
	(package-initialize)

	;start auto-complete with emacs
	(require 'auto-complete)
	; do default config for auto-complete

erizhang / General Makefile for C++

Created May 7, 2015 08:00

	C_SRCS:=$(foreach d, $(SRC_DIRS), $(wildcard $d/*.c))
	CXX_SRCS:=$(foreach d,$(SRC_DIRS), $(wildcard $d/*.cpp))
	C_OBJS:=$(C_SRCS:.c=.o)
	CXX_OBJS:=$(CXX_SRCS:.cpp=.o)
	FLAGS:=-I$(CPPUTEST_INCLUDE) -I src -I .
	LDFLAGS:=-L$(CPPUTEST_LIB) -lCppUTest -lstdc++

	$(TARGET) : $(CXX_OBJS) $(C_OBJS)
	echo $(LDFLAGS)
	gcc -o $@ $^ $(LDFLAGS)

Eric Zhang erizhang