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1. Ditch Excel (for real)

    in2csv file1.xls > file1.csv

2. Conquer fixed-width formats

    in2csv -f fixed -s schema.csv data.fixed > data.csv

3. Find cells matching a regular expression

csvgrep -c phone_number -r "\d{3}-123-\d{4}" data.csv > matching.csv

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package sync

import "sync"

type Map[K, V any] struct {
	s sync.Map
}

func NewMap[K, V any]() Map[K, V] {
	return Map[K, V]{

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func whoisnext() {
    if ! command -v shuf &> /dev/null; then
        brew install coreutils
    fi

    if ! command -v cowsay &> /dev/null; then
        brew install cowsay
    fi

    if ! command -v lolcat &> /dev/null; then

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  -----------------------------------
/                                     \
|                                     |
|             SYN seq (n)             |         
| ----------------------------------> |         
|                                     |         
|                                     |         
|                                     |         
|        SYN seq (m) ack (n+1)        |         
| <---------------------------------- | 

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FROM golang:alpine

ARG tz=Europe/Moscow
ARG repository=/go/src/app

ENV TZ=$tz
ENV REPOSITORY_PATH=$repository

RUN apk update && apk add --update \
    alpine-sdk \

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-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

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Setup JasminSMS \o/

Passo-a-passo para rodar o JasminSMS localmente com o Docker

Referencias:

• Jasminsms Docker
• Jasmin Command Line Interface

Pegar Imagem do Jasmin

docker pull jookies/jasmin

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Install OSX Parallels version 10/11/12/13 tools on Ubuntu server guest

Have tested these instructions successfully under Ubuntu 16.04LTS and 14.04LTS.

• Create Ubuntu server instance under Parallels (obviously).
• Start VM, goto Actions - Install Parallels Tools... to mount the ISO image.
  • Note: if this fails, or updating tools for an existing guest you can do the following:
  • Goto Devices > CD/DVD 1 > Connect Image....
  • Select the following ISO image: /Applications/Parallels Desktop/Contents/Resources/Tools/prl-tools-lin.iso.
  • This will mount the tools CD image.
• From the terminal, run the following commands:

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Git-Flow Cheatsheet

References

• Detailed Cheatsheet: http://danielkummer.github.io/git-flow-cheatsheet/
• Command-line Arguments Reference: https://github.com/nvie/gitflow/wiki/Command-Line-Arguments
• git-flow Home: https://github.com/nvie/gitflow

Initialize a Repository for git-flow