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@tomcatzh
tomcatzh / readwrite.go
Created Apr 1, 2015
Golang readline and writeline
View readwrite.go
func readLines(path string) ([]string, error) {
file, err := os.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
var lines []string
scanner := bufio.NewScanner(file)
for scanner.Scan() {
@yushijinhun
yushijinhun / Dockerfile
Created Jul 31, 2017
[ubuntu|docker]auto select fastest apt mirror
View Dockerfile
FROM ubuntu
RUN apt-get update -y \
&& apt-get install -y wget \
&& wget -O netselect.deb http://http.us.debian.org/debian/pool/main/n/netselect/netselect_0.3.ds1-28+b1_`dpkg --print-architecture`.deb \
&& dpkg -i netselect.deb \
&& rm netselect.deb \
&& sed -r -i -e "s#http://(archive|security)\.ubuntu\.com/ubuntu/?#$(netselect -v -s1 -t20 `wget -q -O- https://launchpad.net/ubuntu/+archivemirrors | grep -P -B8 "statusUP|statusSIX" | grep -o -P "http://[^\"]*"`|grep -P -o 'http://.+$')#g" /etc/apt/sources.list
@jaytaylor
jaytaylor / thrift-configure-mac-osx-20170504.md
Last active Aug 22, 2019
Thrift compilation advice for mac OS-X, particular ./configure QT errors and openssl errors.
View thrift-configure-mac-osx-20170504.md
@chmike
chmike / checkDomain.go
Created Jun 29, 2018
Check domain name validity in Go
View checkDomain.go
// checkDomain returns an error if the domain name is not valid
// See https://tools.ietf.org/html/rfc1034#section-3.5 and
// https://tools.ietf.org/html/rfc1123#section-2.
func checkDomain(name string) error {
switch {
case len(name) == 0:
return nil // an empty domain name will result in a cookie without a domain restriction
case len(name) > 255:
return fmt.Errorf("cookie domain: name length is %d, can't exceed 255", len(name))
}
View Python PyCrypto: Verify Signature Example.py
def verify_sign(public_key_loc, signature, data):
'''
Verifies with a public key from whom the data came that it was indeed
signed by their private key
param: public_key_loc Path to public key
param: signature String signature to be verified
return: Boolean. True if the signature is valid; False otherwise.
'''
from Crypto.PublicKey import RSA
from Crypto.Signature import PKCS1_v1_5
@evilpacket
evilpacket / gist:3628941
Created Sep 5, 2012
Top 1000 from Alexa Top 1million
View gist:3628941
wget -q http://s3.amazonaws.com/alexa-static/top-1m.csv.zip;unzip top-1m.csv.zip; awk -F ',' '{print $2}' top-1m.csv|head -1000 > top-1000.txt; rm top-1m.csv*
@Zate
Zate / get_go.sh
Last active Jul 9, 2020
Shell script to download and install latest golang
View get_go.sh
#! /bin/bash
# [get_golang.sh](https://gist.github.com/n8henrie/1043443463a4a511acf98aaa4f8f0f69)
# Download latest Golang release for AMD64
# https://dl.google.com/go/go1.10.linux-amd64.tar.gz
set -euf -o pipefail
# Install pre-reqs
sudo apt-get install python3 git -y
o=$(python3 -c $'import os\nprint(os.get_blocking(0))\nos.set_blocking(0, True)')
View test.go
package main
import (
"bytes"
"fmt"
"net"
"runtime"
"sync"
"sync/atomic"
"time"
@sergiotapia
sergiotapia / md5-example.go
Last active Jul 12, 2020
Golang - How to hash a string using MD5.
View md5-example.go
import (
"crypto/md5"
"encoding/hex"
)
func GetMD5Hash(text string) string {
hasher := md5.New()
hasher.Write([]byte(text))
return hex.EncodeToString(hasher.Sum(nil))
}
View clickhouse-get-tables-size.sql
SELECT table,
formatReadableSize(sum(bytes)) as size,
min(min_date) as min_date,
max(max_date) as max_date
FROM system.parts
WHERE active
GROUP BY table
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