Nguyễn Thanh Hải hailazy

## it-ebooks.md

      
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                baiwfg2
                / it-ebooks.md
            
            
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              July 23, 2024 03:19
            
              
                Download ebooks as you want
              
          
    The initial source comes from sdcuike/issueBlog#4

http://greenteapress.com/wp/
https://papers.nips.cc
https://github.com/PacktPublishing  free to download books code by Packet
https://github.com/EbookFoundation/free-programming-books Very immense

  
## mongodb-facet-combine.js
db.getCollection('list').aggregate([
    {
        $facet: {
            "events":[{
                $match: {
                   'type': 'Event'
                }
            }],
            "tasks": [{
                $match: {
	db.getCollection('list').aggregate([
	{
	$facet: {
	"events":[{
	$match: {
	'type': 'Event'
	}
	}],
	"tasks": [{
	$match: {