x0nu11byt3

ELF Format Cheatsheet

Introduction

Executable and Linkable Format (ELF), is the default binary format on Linux-based systems.

Compilation

lucaguada

How to install Ubuntu Server and Minikube on Raspberry Pi 4 4GB+ (recommended)

Disclaimer: this step-by-step GIST has been created with no guarantees, I may have missed some steps because of distraction or chiptune improvised on-chair-dancing, so be patient and let me know if I must add or fix something.

This is the way for living long and prospering!

Download Raspberry Pi Imager

Download and install Raspberry Imager: https://www.raspberrypi.org/software/

vnkdj5

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "omp.h"

#define MAX_SIZE 10

//Function for creating an input array||Update accoorind to your need
void generate_list(int * x, int n) {
   int i,j,t;

jhoenicke

/**********************************************************************
 * Copyright (c) 2017, Jochen Hoenicke                                *
 *                                                                    *
 * Compile with:                                                      *
 *  gcc -O2 -I secp256k1/src/ -I secp256k1/ break_short.c -lgmp       *
 **********************************************************************/

#include "libsecp256k1-config.h"

#include <stdio.h>

simonw

git archive --format=tar.gz -o /tmp/my-repo.tar.gz --prefix=my-repo/ master

More detailed version: https://til.simonwillison.net/git/git-archive

flbuddymooreiv

This is the process of setting up erlang, rebar3, and cowboy for a Hello World, starting with a clean Debian 8 install.

Update apt and install deps:

root@046edcaea45a:~# apt-get update
root@046edcaea45a:~# apt-get install erlang erlang-dev gcc
root@046edcaea45a:~# wget https://s3.amazonaws.com/rebar3/rebar3
root@046edcaea45a:~# mkdir ~/bin/
root@046edcaea45a:~# mv rebar3 ~/bin/
root@046edcaea45a:~# chmod +x ~/bin/rebar3 

kingluo

$ erlc processes.erl
$ erl -noshell -s processes test -s init stop
the max processes is 262144 
the proecess time is 2.0:3.57
$ erl -noshell -s processes test2 100000 -s init stop
the max processes is 262144 
{"init terminating in do_boot",{system_limit,[{erlang,spawn,[erlang,apply,[#Fun<processes.2.26012808>,[]]],[]},{erlang,spawn,1,[]},{processes,for,3,[{file,"processes.erl"},{line,24}]},{processes,for,3,[{file,"processes.erl"},{line,24}]},{processes,max,1,[{file,"processes.erl"},{line,10}]},{init,start_it,1,[]},{init,start_em,1,[]}]}}

# program freeze here...
# Ctrl+C not work

jlouis

        -:    0:Source:beam/erl_map.c
        -:    0:Graph:obj/x86_64-unknown-linux-gnu/gcov/smp/erl_map.gcno
        -:    0:Data:obj/x86_64-unknown-linux-gnu/gcov/smp/erl_map.gcda
        -:    0:Runs:4
        -:    0:Programs:1
        -:    1:/*
        -:    2: * %CopyrightBegin%
        -:    3: *
        -:    4: * Copyright Ericsson AB 2014. All Rights Reserved.
        -:    5: *

theburningmonk

-module(exceptions).
-export([sword/1, talk/0, black_knight/1]).

sword(1) -> throw(slice);
sword(2) -> erlang:error(cut_arm);
sword(3) -> exit(cut_leg);
sword(4) -> throw(punch);
sword(5) -> exit(cross_bridge).

talk()   -> "blah blah".