focusj

package main

import "fmt"

func main() {
	targetPool := "A"
	arbPools0 := []string{"B"}
	hops0 := spreadSingleHop(targetPool, arbPools0)
	fmt.Println(hops0)

focusj

package main

import (
	"fmt"
)

type TemplateCacheAlias map[string]int

func (t *TemplateCacheAlias) Get(name string) int {
	return (*t)[name]

focusj

package main

import (
	"encoding/json"
	"errors"
	"fmt"
	"strconv"

	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/common/hexutil"

focusj

INSERT INTO `lon_mining_powers` (`round`, `wallet_address`, `lon`, `acc_trader_fee`, `acc_trader_txs`, `trader_power`, `acc_referer_fee`, `acc_referer_txs`, `referer_power`, `start_block`, `end_block`, `invitee_power`, `invitee_lon`, `acc_maker_fee`, `acc_maker_txs`, `maker_power`, `tx_hash`, `phase`, `relayer_power`, `relayer_lon`, `acc_relayer_txs`)
VALUES
	(0, '0xe0f5069f617D99f9Ff40E96A36579A57890F6201', 0.000000000, 6.155428, 1, 131.995135, 0.000000, 0, 0.000000, 12333704, 12333704, 61.554280, 0.000000, 0.000000, 0, 0.000000, NULL, 1, 0.000000, 0.000000, 0),
	(0, '0xFe9941141b1D4eDa04A6BDb67735E00f3F983A9C', 0.000000000, 21.822680, 1, 293.438918, 0.000000, 0, 0.000000, 12333690, 12333690, 0.000000, 0.000000, 0.000000, 0, 0.000000, NULL, 1, 0.000000, 0.000000, 0);


update lon_mining_powers set relayer_power=16169063.787222, acc_relayer_txs=24408 where wallet_address='0x03f34be1bf910116595db1b11e9d1b2ca5d59659' and phase=1;

update lon_mining_powers set acc_maker_fee=258938.55588306, maker_power=2589385.5

focusj

package driver

import (
	"context"
	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo"
)

type Filter struct {
	ds map[string]interface{}

focusj

Ctrl + d 删除一个字符，相当于通常的Delete键（命令行若无所有字符，则相当于exit；处理多行标准输入时也表示eof）
Ctrl + h 退格删除一个字符，相当于通常的Backspace键
Ctrl + u 删除光标之前到行首的字符
Ctrl + k 删除光标之前到行尾的字符
Ctrl + c 取消当前行输入的命令，相当于Ctrl + Break
Ctrl + a 光标移动到行首（Ahead of line），相当于通常的Home键
Ctrl + e 光标移动到行尾（End of line）
Ctrl + f 光标向前(Forward)移动一个字符位置
Ctrl + b 光标往回(Backward)移动一个字符位置
Ctrl + l 清屏，相当于执行clear命令

focusj

1. brew install hyperkit
2. brew install docker-machine-driver-hyperkit
3. sudo chown root:wheel /usr/local/bin/docker-machine-driver-hyperkit && sudo chmod u+s /usr/local/bin/docker-machine-driver-hyperkit
4. brew install minikube
5. minikube start --logtostderr --vm-driver=hyperkit

focusj

How to get a stack trace for each thread in a running python script

Sometimes a python script will simply hang forever with no indication of where things went wrong. Perhaps it's polling a service that will never return a value that allows the program to move forward. Here's a way to see where the program is currently stuck.

Install gdb and pyrasite

Install gdb.

# Redhat, CentOS, etc

focusj

docker network create mongo

docker run -d \
-p 0.0.0.0:27017:27017 \
--name mongo-rs1 \
--net mongo \
mongo:3.4.20-xenial mongod --replSet mongo-rs1

docker run -d \
-p 0.0.0.0:27027:27017 \

focusj

tioper简介

tioper名字由来：TiDB + Operator。使用tioper可以实现TiDB多集群创建和管理。 如果本机装有Docker，还可以使用tioper在本地启动一个kubernetes集群，方便尝鲜。

tioper正确运行需要依赖以下软件，请确保本机已经安装，且符合最低版本要求：

• Docker: 17.03 or later
• Helm Client: 2.9.0 or later
• Kubectl: 1.10 or later