cristopher-rodrigues

let q = {
  miles: 40, //mile pointOf earth radius
  earth: 3963.2, //earth radius
  lat: -25,
  long: -49
};

db.collection.find({$geoWithin: {$centerSphere: [[q.lat, q.long], q.miles/q.earth]}});

cristopher-rodrigues

Fork Bomb (CREATE MULTI CLONES ON SELF, CRASH MEMORY AND MORE)

:(){ :|: & };:

CLEAR/FORMAT PARTITION

mkfs.ext4 /dev/sda1

cristopher-rodrigues

PROMPT='%{$fg_bold[red]%}☠  λ%{$fg_bold[black]%}%p %{$fg[black]%}%~%  %{$fg_bold[cyan]%}$(git_prompt_info)%{$fg_bold[blue]%} % %{$reset_color%} '

ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg[green]%}[%{$fg[cyan]%}"
ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[green]%}] %{$fg[yellow]%}⚡%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg[green]%}]"

cristopher-rodrigues

Create repo to deploy your project

Create on bitbucket or github

Add your repo on local project

git remote add origin [email protected]

Init git on project path

cristopher-rodrigues

db.collection.find().limit(1).skip(_rand()*db.collection.count());

cristopher-rodrigues

sudo dscacheutil -flushcache;
sudo killall -HUP mDNSResponder;say flushed

Clear MDNS Cache

sudo discoveryutil mdnsflushcache

cristopher-rodrigues

Create script on server

/root/mongo_bkp.sh

rm -rf /root/dump* && mongodump && tar -cvf dump.tar dump/

Exec script

ssh user@machine /root/mongo_bkp.sh

cristopher-rodrigues

if [[ "$OSTYPE" == "linux-gnu" ]]; then
     printf "\e[97mlinux-gnu ☂\n";
elif [[ "$OSTYPE" == "darwin"* ]]; then
     printf "\e[97mdarwin \n";
else
     echo "☠ WTF? ☠;
fi

cristopher-rodrigues

//For a specified field
db.collectionname.createIndex(
   { "field_name": "text" },
   { name: "TextIndex" }
 )
 
//For All Fields
db.collectionname.createIndex(
   { "$**": "text" },
   { name: "TextIndex" }

cristopher-rodrigues

/* LET: scope vars */
let foo = "bar";
console.log(foo);
if(foo.includes("bar")){
  let inc = true;
}
console.log(inc);

/*CONST: constants vars */
const PI = 3.14;