laidback / c_nostd.txt

Created October 27, 2024 16:53 — forked from tcoppex/c_nostd.txt

Writing C software without the standard library [Linux Edition] - Franc[e]sco's Gopherspace

	###################################################################
	Writing C software without the standard library
	Linux Edition
	###################################################################
	There are many tutorials on the web that explain how to build a
	simple hello world in C without the libc on AMD64, but most of them
	stop there.

	I will provide a more complete explanation that will allow you to
	build yourself a little framework to write more complex programs.

laidback / openapi3_codequality.sh

Created March 16, 2020 09:47

	#!/usr/bin/env bash

	# create the base lint result
	spectral lint --quiet --format json --output lint.json code/build/api-spec/openapi3.yaml

	# process to code quality format
	jq -c '[.[] \| { description: .message, original: ., location: { path: .source, lines: { begin: .range.start.line }}}]' lint.json > base.json

	jq -c '.[]' base.json \| while read -r line ; do
	sum=$(echo "$line" \| md5sum \| cut -d' ' -f1);

laidback / bash starter

Last active September 4, 2019 22:00

	#!/usr/bin/env bash

	# Filename: ${filename}
	# Description: ${filedesc}
	# Maintainer: Lukas Ciszewski <lukas.ciszewski@gmail.com>

	# set shell options
	# * fail immediately on the first error occuring
	# * allow clean trapping for ERR
	# * fail also if the call to nested functions fails

laidback / go-json.go

Created April 28, 2018 21:30

go-json created by laidback - https://repl.it/@laidback/go-json

	package main

	import (
	"encoding/json"
	"fmt"
	)

	type resp struct {
	Fname string `json:"fname, string"`
	}

laidback / rsyslog_fwd.md

Created February 22, 2018 13:45

Forwarding Rsyslog

We want to forward messages using an intermediate rsync forwarder/broker. We do not want the broker to save any messages from the clients and we also want to forward the broker messages to the Rsyslog Sink.

Useful Links

grok construction

laidback / java_cars_detail.java

Created February 17, 2018 17:28

java_cars_detail created by laidback - https://repl.it/@laidback/javacarsdetail

	interface SubSystem {
	public void startSystem();
	public void stopSystem();
	public SubSystemState getState();
	}

	interface SubSystemState {}

	enum Color { WHITE, BLACK, RED, BLUE, GREEN; }
	enum EngineType { DIESEL, GASOLINE; }

laidback / go-routines.go

Created February 17, 2018 17:28

go-routines created by laidback - https://repl.it/@laidback/go-routines

	package main

	import "os"
	import "fmt"
	import "time"
	import "runtime/debug"
	import "runtime/pprof"

	var _ = os.Stdout
	var _ = debug.PrintStack

laidback / go-factorial.go

Created February 17, 2018 17:27

go-factorial created by laidback - https://repl.it/@laidback/go-factorial

	// Provide simple time measured factorial function versions
	// * iterative
	// * recursive
	// * tail recursive
	package main

	import (
	"fmt"
	"time"
	)

laidback / converge_cli.sh

Created December 11, 2017 22:37

	# some converge rest api
	curl http://127.0.0.1:4774/api/v1/resources/modules/hello.hcl
	curl http://127.0.0.1:4774/api/v1/resources/binary -H "Accept: text/plain" \| shasum

	# download converge binary
	curl http://127.0.0.1:4774/api/v1/resources/binary -H "Accept: text/plain" -O

	# use the binary
	chmod +x binary
	./binary

laidback / show_path

Created November 5, 2017 20:20

$ python -c "import os; print('\n'.join(os.environ['PATH'].split(':')))"

Lukas Ciszewski laidback

Forwarding Rsyslog

Useful Links