Guilherme Marthe GuiMarthe
GuiMarthe
/ remove_conteiner_windows.cmd
Created
January 16, 2017 20:49
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| FOR /f "tokens=*" %i IN ('docker ps -a -q') DO docker rm %i |
GuiMarthe
/ empirical_boot.R
Last active
June 11, 2017 04:02
Um simples script que cria 300 variáveis normais de 100 pares de média e variância distintas e calcula suas médias e intervalos de confiança por meio do bootstrap e ainda calcula a proporção de vezes que a verdadeira média esta no intervalo
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| library(tidyverse) | |
| ### criando 300 váriáveis normais para 20 diferentes | |
| ### pares de média e variância distintos | |
| set.seed(42) | |
| df <- tibble( | |
| grupo = purrr::map_chr(1:100, ~paste('grupo_', ., sep = '')), | |
| true_mean = runif(100), | |
| true_variance = runif(100), |
GuiMarthe
/ good_bash_template.sh
Last active
June 14, 2017 17:59
This is a template for bash scripting I got from https://dev.to/thiht/shell-scripts-matter
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| #!/usr/bin/env bash | |
| # This template comes from https://dev.to/thiht/shell-scripts-matter | |
| { | |
| set -euo pipefail | |
| IFS=$'\n\t' | |
| #/ Usage: | |
| #/ Description: | |
| #/ Examples: |
GuiMarthe
/ free_some_memory.sh
Last active
August 19, 2021 22:00
This is a small one liner that I saw somewhere for freeing up some memory on linux systems.
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| free -m | |
| echo 3 | sudo tee /proc/sys/vm/drop_caches | |
| free -m |
GuiMarthe
/ apt_install_history.sh
Created
June 14, 2017 19:48
(Beautiful) Commando to list all packages intentionally installed (not as dependencies) by apt commands
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| # stole from https://askubuntu.com/questions/17823/how-to-list-all-installed-packages | |
| (zcat $(ls -tr /var/log/apt/history.log*.gz); cat /var/log/apt/history.log) 2>/dev/null | | |
| egrep '^(Start-Date:|Commandline:)' | | |
| grep -v aptdaemon | | |
| egrep '^Commandline:' |
GuiMarthe
/ usefUlll_regex.py
Created
June 22, 2017 22:23
A couple of decent regular expressions to find URLs and email addresses
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| #A couple of decent regular expressions to find URLs and email addresses | |
| urlRe = re.compile(r'http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+') | |
| #See http://www.regular-expressions.info/email.html | |
| emailRe = re.compile(r'[a-zA-Z0-9+_\-\.]+@[0-9a-zA-Z][.-0-9a-zA-Z]*\.[a-zA-Z]+') | |
| someString = "Lorem ipsum dolor http://google.com/ consectetuer elit. Aliquam \ | |
| scelerisque felis. Nulla lacinia - info@subdomain.mah.se. Suspendisse elementum \ | |
| lacus. Suspendisse potenti. Etiam et id lorem congue aliquam. Aenean venenatis, \ | |
| elit commodo pretium aliquet, dolor webmaster@yahoo.com, ut iaculis est ante at \ |
GuiMarthe
/ pure_purrr_boot.R
Created
June 26, 2017 22:09
A small little idea on implementing bootstrap only using purrr, not dplyr based, after reading a google data science blog
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| ## http://www.unofficialgoogledatascience.com/2015/08/an-introduction-to-poisson-bootstrap26.html | |
| n <- 10000000 | |
| data <- rnorm(n, mean = 4, sd = 2) | |
| matrix_col_as_vector <- . %>% as.list() %>% purrr::as_vector() | |
| boot_delta_mean <- function(id, data){ | |
| mean_data <- mean(data) | |
| indicator <- |
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| # https://www.reddit.com/r/linux/comments/1u0d8s/dtrx_a_versatile_tool_to_easily_extract_tar_zip/ | |
| extract () { | |
| if [ -f $1 ] ; then | |
| case $1 in | |
| *.tar.bz2) tar xvjf $1 && cd $(echo $1 | sed 's/.tar.bz2//') ;; | |
| *.tar.gz) tar xvzf $1 && cd $(echo $1 | sed 's/.tar.gz//') ;; | |
| *.bz2) bunzip2 $1 && cd $(echo $1 | sed 's/.bz2//') ;; | |
| *.rar) unrar x $1 && cd $(echo $1 | sed 's/.rar//') ;; | |
| *.gz) gunzip $1 && cd $(echo $1 | sed 's/.gz//') ;; |
GuiMarthe
/ log_odds_table.R
Last active
October 24, 2017 21:31
quick log odds, odds, probability equivalence
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| library(dplyr) | |
| tibble( | |
| prob = seq(0, 1, 0.01), | |
| complement = 1 - prob, | |
| odds_ratio = prob/complement, | |
| log_odds_ratio = log(odds_ratio) | |
| ) %>% | |
| arrange(-abs(log_odds_ratio)) %>% |
GuiMarthe
/ cifra_cesar_pythonica.py
Created
September 19, 2017 21:06
Implementando uma simples cifra de cesar mostrando compreensões de lista e dicionários + alguns métodos de string
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| import string | |
| letras = string.ascii_lowercase | |
| texto = input('Digite o seu texto: ').lower() | |
| k = int(input('Digite a quantidade de vezes que o seu texto se deslocará: ')) | |
| chave = {letra:letras[(i + k) % len(letras)] for i, letra in enumerate(letras + ' ')} |
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