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# Check server process is using jemalloc | |
# ref. [Japanese] https://tech.studyplus.co.jp/entry/2019/09/09/094140 | |
class AppController < ActionController::Base | |
def show | |
r = `strings /proc/#{Process.pid}/maps | grep jemalloc` | |
render plain: "<h1>#{ENV['LD_PRELOAD'].presence || 'empty'}</h1><pre>#{r}</pre>" | |
end | |
end |
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server { | |
listen 80; | |
server_name localhost; | |
location /oauth2/ { | |
proxy_pass http://oauth-proxy:4180; | |
proxy_set_header Host $host; | |
proxy_set_header X-Real-IP $remote_addr; | |
proxy_set_header X-Scheme $scheme; | |
proxy_set_header X-Auth-Request-Redirect $request_uri; |
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#! /usr/bin/env bash | |
GOOS=linux GOARCH=amd64 go build -o main main.go | |
zip main.zip main |
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FROM debian:10-slim | |
RUN apt-get update -y && \ | |
apt-get install -y awscli curl gnupg && \ | |
apt-key adv --fetch-keys "https://nginx.org/keys/nginx_signing.key" && \ | |
echo "deb http://nginx.org/packages/debian buster nginx" > /etc/apt/sources.list.d/nginx.list | |
RUN curl --silent --show-error --location --output /tmp/amazon-ssm-agent.deb "https://s3.us-east-1.amazonaws.com/amazon-ssm-us-east-1/latest/debian_amd64/amazon-ssm-agent.deb" && \ | |
dpkg -i /tmp/amazon-ssm-agent.deb |
#Getting Started
##Webpage:
<html>
<head>
<title>Testing with Ruby and Selenium WebDriver</title>
</head>
<body bgcolor="antiquewhite">
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# Hello, and welcome to makefile basics. | |
# | |
# You will learn why `make` is so great, and why, despite its "weird" syntax, | |
# it is actually a highly expressive, efficient, and powerful way to build | |
# programs. | |
# | |
# Once you're done here, go to | |
# http://www.gnu.org/software/make/manual/make.html | |
# to learn SOOOO much more. |
(This guide is meant for beginners. If you have solved 100+ problems and are looking for guidance on how to solve problems involving algorithms and data structures, this document is not for you.)
Competitive Programming is an interesting activity which mixes problem solving with programming. It is not only enjoyable but also very demanded in placements. Competitive programming will make you very good at writing efficient programs quickly.
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