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How to get all count of mongoose model?
... here is the documentation link : mongoosejs.com/docs/api.html#model_Model.estimatedDocumentCount
– babar78
Sep 11 '18 at 10:45
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Can we delete an SMS in Android before it reaches the inbox?
...ndroid 1.6, incoming SMS message broadcasts (android.provider.Telephony.SMS_RECEIVED) are delivered as an "ordered broadcast" — meaning that you can tell the system which components should receive the broadcast first.
If you define an android:priority attribute on your SMS-listening <intent-fi...
package R does not exist
...R, but prefix the offending ids with android., e.g. android.R.layout.simple_list_item_2
You may import android.R instead of prefixing the ids of course, but then you cannot import the application R class anymore and must prefix the application ids, e.g. com.example.android.R.id.main_menu.
The R ...
How to change Vagrant 'default' machine name?
...onfigure('2') do |config|
config.vm.box = "precise64"
config.vm.box_url = "http://files.vagrantup.com/precise64.box"
end
VirtualBox GUI Name: "nametest_default_1386347922"
Comments: The name defaults to the format DIRECTORY_default_TIMESTAMP.
Define VM
Vagrant.configure('2') do |config...
Creating and playing a sound in swift
...member to run it this way do { (player object) } catch _ { } or your will get a bug! :)
– ParisNakitaKejser
Jun 26 '15 at 20:02
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Looping over arrays, printing both index and value
...
INDEX=0
for i in $list; do
echo ${INDEX}_$i
let INDEX=${INDEX}+1
done
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Open an IO stream from a local file or url
...d be able to call methods like read and readlines.
require 'open-uri'
file_contents = open('local-file.txt') { |f| f.read }
web_contents = open('http://www.stackoverflow.com') {|f| f.read }
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Entity Framework: There is already an open DataReader associated with this Command
...ng to iterate is kind of lazy loading (IQueriable).
foreach (var user in _dbContext.Users)
{
}
Converting the IQueriable collection into other enumerable collection will solve this problem.
example
_dbContext.Users.ToList()
Note: .ToList() creates a new set every-time and it can cause th...
XML serialization in Java? [closed]
...t's right, JAXB is definitely the best option!
– ivan_ivanovich_ivanoff
Apr 9 '09 at 16:55
1
JAXB...
Find all records which have a count of an association greater than zero
...istinct
As an example
[10] pry(main)> Comment.distinct.pluck :article_id
=> [43, 34, 45, 55, 17, 19, 1, 3, 4, 18, 44, 5, 13, 22, 16, 6, 53]
[11] pry(main)> _.size
=> 17
[12] pry(main)> Article.joins(:comments).size
=> 45
[13] pry(main)> Article.joins(:comments).distinct.size
...