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In Firebase, is there a way to get the number of children of a node without loading all the node dat
.../users').set(event.data.numChildren());
});
Refer :https://firebase.google.com/docs/functions/database-events
root--|
|-users ( this node contains all users list)
|
|-count
|-userscount :
(this node added dynamically by cloud function with the user count)
...
What is the maximum amount of RAM an app can use?
...r app are here depending on screen size and Android version: https://drive.google.com/file/d/0B7Vx1OvzrLa3Y0R0X1BZbUpicGc/view?usp=sharing
Source: Android Compatibility Downloads http://source.android.com/compatibility/downloads.html;
Compatibility Definition Document (CDD), Section Virtual Machin...
How should I choose an authentication library for CodeIgniter? [closed]
...e (poor) CAPTCHA, which is nice for those who don't want to depend on the (Google-owned) reCAPTCHA service, but it really isn't secure enough
Very sparse online documentation (minor issue here, since the code is nicely documented and intuitive)
Download Tank Auth here
Original answer:
I've implem...
How to create a .gitignore file
...
Its funny how google disagrees, a google search ".gitignore on windows" leads to this page as a first result :)
– Ateik
Feb 2 '16 at 13:35
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How do I see all foreign keys to a table or column?
...uestion, but it is useful to know this command. This question showed up in Google for what I was looking for, and figured I'd leave this answer for the others to find.
SHOW CREATE TABLE `<yourtable>`;
I found this answer here:
MySQL : show constraints on tables command
I needed this way be...
What's the difference between %s and %d in Python string formatting?
...
In Google Chrome: Settings >> Search >> Manage search engines... notice how %s is used with search engine configurations. Chrome uses %s to replace keywords entered in the address bar. Python uses %s in a similar way...
What is the difference between javac and the Eclipse compiler?
...ake) I just feed the code to javac and then it worked smoothly! I found in Google that I had to upgrade the JDT in order to get the fix for that issue.
– Abel Morelos
Jun 18 '10 at 15:18
...
See what process is using a file in Mac OS X
...
But I spent 2 minutes Googling and found your answer here.
$ lsof | grep [whatever]
Where [whatever] is replaced with the filename you're looking for.
With this, you can see which program is desperately holding onto your
about-to-be-t...
How to print Unicode character in Python?
...
Thank you so much. Spent hours googling, glad I found this.
– CharlyDelta
Jan 5 '18 at 10:55
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Can Protractor and Karma be used together?
...est execution. Examples of pure WebDriverJS can be found here: http://code.google.com/p/selenium/wiki/WebDriverJs
And
https://github.com/angular/protractor/issues/9#issuecomment-19931154
Georgios - I think it makes sense to keep Protractor and Karma separate - for end to end tests, you want the na...