aquiladev

pragma solidity ^0.4.24;

contract Tree {
    struct Node {
        bytes32 name;
        bytes32 parent;
        bytes32 data;
        bytes32[] nodes;
    }

yuriy77k

ConsenSys MultiSigWallet security audit report performed by Callisto Security Audit Department

Conclusion:

No critical issue, bug fixing is necessary. It is highly recommended to complete a bug bounty before use.

Medium severity issues:

• getTransactionIds function return wrong result.

mahirrudin

## installation openldap with backend mysql
sudo apt update && sudo apt upgrade -y && sudo reboot
sudo apt install mysql-server unixodbc make gcc libmysqlclient-dev unixodbc-dev groff ldap-utils

## mysql login as root
sudo mysql -u root

CREATE DATABASE ldap
CREATE USER 'ldap'@'%' IDENTIFIED BY 'S3cureP4ssw0rd$';
GRANT ALL PRIVILEGES ON ldap.* TO 'ldap'@'%';

bbc4468

create database price_history_db

CREATE CONTINUOUS QUERY "cq_1m" ON "price_history_db" BEGIN SELECT MIN(price) as low, MAX(price) as high, FIRST(price) as open, LAST(price) as close, SUM(size) as volume INTO "price_1m" FROM "trade" GROUP BY time(1m), symbol END

CREATE CONTINUOUS QUERY "cq_5m" ON "price_history_db" BEGIN SELECT MIN(low) as low, MAX(high) as high, FIRST(open) as open, LAST(close) as close, SUM(volume) as volume INTO "price_5m" FROM "price_1m" GROUP BY time(5m), symbol END
CREATE CONTINUOUS QUERY "cq_15m" ON "price_history_db" BEGIN SELECT MIN(low) as low, MAX(high) as high, FIRST(open) as open, LAST(close) as close, SUM(volume) as volume INTO "price_15m" FROM "price_5m" GROUP BY time(15m), symbol END
CREATE CONTINUOUS QUERY "cq_1h" ON "price_history_db" BEGIN SELECT MIN(low) as low, MAX(high) as high, FIRST(open) as open, LAST(close) as close, SUM(volume) as volume INTO "price_1h" FROM "price_15m" GROUP BY time(1h), symbol END
CREATE CONTINUOUS QUERY "cq_6h" ON "price_history_db" BEGIN SELECT

DennisXie

1. git status 查看状态
    On branch master
    Your branch is behind 'origin/master' by 4 commits, and can be fast-forwarded.
    (use "git pull" to update your local branch)
    nothing to commit, working directory clean

2. git pull
    Your configuration specifies to merge with the ref 'master'
    from the remote, but no such ref was fetched.

willwhui

让两个子网内的设备可以互通访问

alexellis

FROM golang:1.7.3
RUN mkdir -p /go/src/github.com/alexellis2/jaas
WORKDIR /go/src/github.com/alexellis2/jaas
COPY ./app.go ./

RUN go get -v -d
RUN go build

bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

DinoChiesa

function computeHttpSignature(config, headerHash) {
  var template = 'keyId="${keyId}",algorithm="${algorithm}",headers="${headers}",signature="${signature}"',
      sig = template;

  // compute sig here
  var signingBase = '';
  config.headers.forEach(function(h){
    if (signingBase !== '') { signingBase += '\n'; }
    signingBase += h.toLowerCase() + ": " + headerHash[h];
  });

evantoli

Configure Git to use a proxy

In Brief

You may need to configure a proxy server if you're having trouble cloning or fetching from a remote repository or getting an error like unable to access '...' Couldn't resolve host '...'.

Consider something like: