zorchp’s gists

zorchp / useful_snippets.tex

Last active December 2, 2023 12:33

Some useful snippets for LaTeX typewriting including Article, Beamer, TikZ Picture and so on.

	%%%%%%%%%%%%%%%%%%% 参考文献 %%%%%%%%%%%%%%%%%%%%%%
	% 自定义新命令\upcite, 使参考文献引用以上标出现
	\newcommand{\upcite}[1]{\textsuperscript{\cite{#1}}}

	% 参考文献样式
	\bibliographystyle{data/gbt7714-2005}

	%%% 目录设置
	\usepackage{tocloft}
	\setcounter{tocdepth}{2} % 目录层级数

zorchp / useful-alias-in-shell.sh

Created May 8, 2023 02:42

`Alias` when I use Ubuntu

	# Ubuntu Linux
	alias vi=nvim
	alias cl=clear
	alias vb='vi ~/.bashrc'
	alias sb='source ~/.bashrc'

	# for net
	func_tcp() { firewall-cmd --zone=public --add-port=$1/tcp --permanent && iptables -I INPUT -ptcp --dport $1 -j ACCEPT; }
	alias addtcp='func_tcp'
	alias addudp='func_udp() { firewall-cmd --zone=public --add-port=$1/udp --permanent && iptables -I INPUT -pudp --dport $1 -j ACCEPT; };func_udp'

zorchp / alias-and-brew-on-MacOS-zsh.sh

Last active August 11, 2023 11:44

Alias and Brew config for MacOS with zsh

	export PATH="/usr/local/texlive/2023/bin/universal-darwin:$PATH"
	export PATH="/opt/homebrew/bin:/usr/local/bin:$PATH"


	# brew git mirrors: update for brew 4.0.0
	export HOMEBREW_BOTTLE_DOMAIN="https://mirrors.ustc.edu.cn/homebrew-bottles"
	export HOMEBREW_API_DOMAIN="https://mirrors.ustc.edu.cn/homebrew-bottles/api"

zorchp / C++STL-IO.cpp

Last active May 16, 2023 09:25

C++ print 1d 2d vector and other containers by template and operator<< overload

	// all container which support range-for-loop
	template <typename T, template <typename> class Container>
	ostream &operator<<(ostream &os, const Container<T>& v) {
	for (auto i : v) os << i << " ";
	return os << endl;
	}

	// ========================== vector ==============================
	template <typename T>
	ostream &operator<<(ostream &os, const vector<T>& v) {

zorchp / math-function.cpp

Created May 19, 2023 04:10

some useful math function written by C++.

	// calc factorial
	auto f=[](int n) {
	int ans{1};
	while (n > 1) ans*= n, --n;
	return ans;
	};
	// calc combination number
	auto comb = [](int n, int k) {
	int ans{1};
	for (int i{}; i < k; ++i) ans = ans * (n - i) / (i + 1); // can not `ans *= `

zorchp / time-spent-for-cpp.cpp

Last active August 11, 2023 11:17

for-record-time-spent

zorchp / text-process.sh

Created August 22, 2023 11:22

文本处理的 Linux 工具使用

	### 查找指定文件中包含某关键字的指定行(显示行号)

	# -n 显示行号
	grep -n "home" /etc/passwd

	# 需要先打印模式匹配然后打印行号, 比较麻烦
	sed -ne '/home/p' -e '/home/=' /etc/passwd

	### 查找某些特定文件(例如通过扩展名)中出现的关键字的对应文件名和行号
	grep -rn "process" --include='*.cpp' .

zorchp / centos-bashrc.sh

Created August 28, 2023 02:17

centos bashrc with useful alias etc.

	############### for proxy accelerate network ############################
	# start_clash.sh: (may stdout in screen, you should use `nohup`)
	: '
	#!/bin/bash

	./clash -d . &
	'

	alias vpn='cd ~/opt/clash && ./start_clash.sh && cd -'
	alias uvpn='pkill -9 clash'

zorchp / cxx-print-type.cpp

Last active October 6, 2023 15:28

print-type-with-clang-and-gcc-use-cxxabi

	#include <cxxabi.h>
	#include <iostream>


	#if __cplusplus < 202002
	#define print_type(x) \
	std::cout << #x << typeid(x).name() << " => " \
	<< abi::__cxa_demangle(typeid(x).name(), NULL, NULL, NULL) \
	<< std::endl
	#else

zorchp / wrap-ghidra-into-MacOS-app-bundle.py

Last active November 30, 2023 11:07

A worked way to bundle ghidra installed from homebrew to MacOS `.app` format.

	#!/opt/homebrew/bin/python3

	import os
	import re
	import subprocess as sp # for get command return value(stdout)

	base_path = "/Applications"
	app_name = "Ghidra"
	exec_file = "ghidraRun"

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