Vova vova

## gist:3879739
echo 3.6.9 | awk -F. -v OFS=. 'NF==1{print ++$NF}; NF>1{if(length($NF+1)>length($NF))$(NF-1)++; $NF=sprintf("%0*d", length($NF), ($NF+1)%(10^length($NF))); print}'

## gist:3879753
defaults read /Applications/Mail.app/Contents/Info PluginCompatibilityUUID

## gist:4198705
db.adminCommand("listDatabases").databases.forEach( function (d) {
  if (d.name != "local" && d.name != "admin" && d.name != "config")
     db.getSiblingDB(d.name).dropDatabase();
})

## gist:4198767
set session query_cache_type=0;

## Ruby Notepad Bookmarklet
data:text/html, <style type="text/css">#e{position:absolute;top:0;right:0;bottom:0;left:0;}</style><div id="e"></div><script src="http://d1n0x3qji82z53.cloudfront.net/src-min-noconflict/ace.js" type="text/javascript" charset="utf-8"></script><script>var e=ace.edit("e");e.setTheme("ace/theme/monokai");e.getSession().setMode("ace/mode/ruby");</script>

## gist:4953599
Shellwords.escape("yr_test1:QWEqwe`123123")

## gist:4995825
create table table_name_backup as SELECT * FROM table_name

## gist:4995834
git diff --no-prefix > patchfile

## gist:4995838
patch -p0 < patchfile

## gist:4995842
(while true; do true; done) & (while true; do true; done)
	db.adminCommand("listDatabases").databases.forEach( function (d) {
	if (d.name != "local" && d.name != "admin" && d.name != "config")
	db.getSiblingDB(d.name).dropDatabase();
	})