luochen1990

#!/usr/bin/env python3

phrases = '''
;  希腊字母: 参考 https://en.wikipedia.org/wiki/Greek_alphabet

Alpha,1=Α
alpha,1=α
Nu,9=Ν
nu,9=ν
Beta,1=Β

luochen1990

#!/usr/bin/env -S bash -c 'docker build -t devbox --build-arg USER_ID=$(id -u) --build-arg USER_NAME=$(id -un) --build-arg GROUP_ID=$(id -g) --build-arg GROUP_NAME=$(id -gn) $(realpath $(dirname $0))'

FROM ubuntu:20.04

ARG USER_ID
ARG USER_NAME
ARG GROUP_ID
ARG GROUP_NAME

RUN addgroup --gid $GROUP_ID $GROUP_NAME; exit 0

luochen1990

#!/usr/bin/env nix-shell
#! nix-shell -p "haskellPackages.ghcWithPackages (p: with p; [conduit conduit-extra bytestring text hint])"
#! nix-shell -i "ghci -ignore-dot-ghci -fdefer-type-errors -XTypeApplications"

{-# language ScopedTypeVariables, TypeApplications, PartialTypeSignatures #-}
{-# language OverloadedStrings #-}

import Conduit
import Data.Conduit
import Data.ByteString (ByteString)

luochen1990

#!/usr/bin/env bash

#So that directories are relative to current file path instead of cwd
#Ref: https://stackoverflow.com/questions/242538/unix-shell-script-find-out-which-directory-the-script-file-resides
cd $(dirname $0)
cd ./server

#Start multiple daemon processes and kill them all in one shot
#Ref: https://stackoverflow.com/questions/3004811/how-do-you-run-multiple-programs-in-parallel-from-a-bash-script
(trap 'kill 0' SIGINT EXIT;

luochen1990

#!/usr/bin/env python3
import sys
import os
relpath = lambda p: os.path.normpath(os.path.join(os.path.dirname(__file__), p))
sys.path.append(relpath('..')) # so that you can import from upper dir

path1 = relpath('../src/main.py')
print(f'path1 relative to cwd: {path1}')
print(f'path1 absolute path: ({ os.path.abspath(path1) })')

luochen1990

{-# language TemplateHaskell #-}
{-# language TypeFamilies #-}
{-# language StandaloneDeriving, DeriveFunctor, DeriveFoldable, DeriveTraversable, DeriveGeneric, DeriveDataTypeable, DeriveAnyClass, FlexibleContexts #-}

import Control.Monad.Free
import Data.Functor.Foldable
import Data.Functor.Foldable.TH
import Data.Functor.Classes
import Text.Show.Deriving
import Data.Foldable

luochen1990

/*
Assuming:
 1. l <= r
 2. forall u, v, u < v -> f(u) <= f(v)

So, curve of f should looks like
        ______
 f: ___|

So we know:

luochen1990

package tools;

import com.google.gson.*;
import com.google.gson.reflect.TypeToken;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;
import io.vavr.collection.List;
import io.vavr.control.Option;
import java.io.IOException;

luochen1990

899   execve("/usr/bin/xeyes", ["xeyes"], 0x7ffc75d322e8 /* 29 vars */) = 0
899   brk(NULL)                         = 0x5630ea012000
899   arch_prctl(0x3001 /* ARCH_??? */, 0x7ffd2662e3f0) = -1 EINVAL (Invalid argument)
899   access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
899   openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
899   fstat(3, {st_mode=S_IFREG|0644, st_size=53133, ...}) = 0
899   mmap(NULL, 53133, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f8626f6c000
899   close(3)                          = 0
899   openat(AT_FDCWD, "/usr/lib/x86_64-linux-gnu/libXext.so.6", O_RDONLY|O_CLOEXEC) = 3
899   read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340E\0\0\0\0\0\0"..., 832) = 832

luochen1990

package my.demo.project.test;

import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import com.google.gson.reflect.TypeToken;
import io.vavr.control.Option;
import org.junit.Test;
import my.demo.project.tools.JsonHelper;

public class JsonTest {