Very vague question. Are you saying you want one entry per line? If so you want to use something like a BufferedReader, read all the lines, save them as a String array. Create a new JComboBox passing in that String constructor. BufferedReader input = new BufferedReader(new FileReader(filePath)); List<String> strings = new ArrayList<String>(); try { String … Read more
Firstly, update mongoose 3 to 4 & then use the simplest way for deep population in mongoose as shown below: Suppose you have Blog schema having userId as ref Id & then in User you have some review as ref Id for schema Review. So Basically, you have three schemas: Blog User Review And, you … Read more
You can’t do this in a single query because MongoDB doesn’t support joins. Instead, you have to break it into a couple steps: // Get the _ids of people with the last name of Robertson. Person.find({lastname: ‘Robertson’}, {_id: 1}, function(err, docs) { // Map the docs into an array of just the _ids var ids … Read more
Or you can use the built-in Blue Bird Promise feature to make it. (Working on [email protected]) See the codes below: var _ = require(‘lodash’); … Post .findOne(req.param(‘id’)) .populate(‘user’) .populate(‘comments’) .then(function(post) { var commentUsers = User.find({ id: _.pluck(post.comments, ‘user’) //_.pluck: Retrieves the value of a ‘user’ property from all elements in the post.comments collection. }) .then(function(commentUsers) … Read more
Try this: DROP PROCEDURE IF EXISTS filldates; DELIMITER | CREATE PROCEDURE filldates(dateStart DATE, dateEnd DATE) BEGIN WHILE dateStart <= dateEnd DO INSERT INTO tablename (_date) VALUES (dateStart); SET dateStart = date_add(dateStart, INTERVAL 1 DAY); END WHILE; END; | DELIMITER ; CALL filldates(‘2011-01-01′,’2011-12-31′); Here’s the SQL Fiddle to play with it: http://sqlfiddle.com/#!2/65d13/1 EDIT (to check if … Read more