add electron desktop application

week05/note in class.txt

+//See manual of mongod
+man mongod
+
+//Set path
+mkdir -p ~/mongodbdir
+mongod --dbpath ~/mongodbdir
+
+//Switch to myappdb collection
+use myappdb
+
+//Insert data to collection ("")
+db.students.insert({name:"ป้อม",age:20})
+db.students.insert({name:"Yos",age:21,gpa:3.5})
+
+
+//Find all data in collections
+db.students.find()
+db.students.find().pretty()	--> in beautiful format
+
+
+JSON หรือ Java Script Object Notation 
+
+pkill mongod --> To kill mongod process
+
+db.students.find({name:"Yos"}).pretty()
+
+//Search data ที่มีตัว Y
+db.students.find({name:/Y/}).pretty()
+
+//Delete data name "Yeti"
+ db.students.remove({name:"Yeti"})
+
+//Update data
+db.students.update({name:"ป้อม"},{$set:{age:23}})
+//Multi update datadb.students.update({name:"ป้อม"},{$set:{age:23,name:"ป้อมป้อม"}})
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