9.3: Firebase: Retrieving Data – Programming with Text

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In this video, I demonstrate how to retrieve data from Firebase (Google database as a service product). The example is a high score list but the data can be anything of course. This video is part of the “Programming from A to Z” ITP class.

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26 responses to “9.3: Firebase: Retrieving Data – Programming with Text”

  1. Jeche Kudziey Avatar

    hie, thanks for the video, they are awsoeme. But i have a question, i am still a leaner. i want to submit an array of objects
    [{"id":"1","name":"Nigel ","surname":"Jeche","role":"admin"},
    {"id":"2","name":"Kudzai","surname":"Jeche","role":"public"}]

    to the firebase, its aint working if i pass it to data variable

  2. Mahadi Hassan Avatar

    Can you please make a bigger application with javascript and firebase?

  3. Tamuno-omie Gogo Avatar

    Please can I get the app u are using for the coding and the tutorial material? Thanks for your prompt reply

  4. Tamuno-omie Gogo Avatar

    This is very good, Thanks dude!

  5. Jitendra Kumar Avatar

    how to get list of authentication>users ?

  6. Gafar Widyo Rizki Avatar

    sory sir, how to make graph data from firebase ?
    thanks 🙂

  7. Dhruv Patel Avatar

    Question: I get an error "li.parent is not a function", how do I fix this? I tried a few different work arounds but nothing is working. thanks for the video, it helped a lot.

  8. Ca55per Avatar

    I know this comment is super late, but I wanted to thank you for this series. I've been struggling with understanding and utilizing firebase and you super helped a ton! I'm not using p5.js so I almost didn't watch this… but var keys = Object.keys(score); was just what I needed to make sense of firebase! Thanks!

  9. Thisara Pathirana Avatar

    Thanks for your guidance. Please help me to retrieve a string data which exist on Firebase Real Time Database, using Processing IDE java version. please..

  10. Darshan's Editz zone Avatar

    Hello Bro can u help me with this error,,(in android and firebase)
    Failed to convert value of type java.util.HashMap to String

  11. fruit care Avatar

    Hi ! I am watching your programming it was great. But can I ask sir how can I insert this data on database from console data?

  12. Hashim Avatar

    You sir are the greatest

  13. Bapak Yulianto Avatar

    you are amazing happy teacher … with extra Energetic … and thank you very much

  14. Colton Designs Avatar

    How would you search for a single id and retrieve that data without having to loop through every single id? I don't know the id though, so is this possible?

  15. Lee ZHI YONG Avatar

    Hello , thanks for the video however i have a question here is that what is this code var k = keys[i]?. Can we actually just use var initials = scores[i].initials?

  16. vinay chandra awalkar Avatar

    Android and firebase database tutorial missing it???

  17. Keno Zakesy Avatar

    sorry dude stilll too damn complicated

  18. chanchal sonawane Avatar

    how to retrieve images from firebase and display in angularjs

  19. chanchal sonawane Avatar

    how to fetch image from database and display in angular js ………

  20. Lauri Välja Avatar

    when is the video coming with updating the data in firebase?

  21. Praveen Kumar Avatar

    i've tried the above method to print my firebase tree details similarly. However, when I run my code I get this error: li.parent is not a function. Please help

  22. Rob M ロブ ミ Avatar

    I cannot for the life of me figure out how/where in the code to sort my data… I suspect it has something to do with orderByChild… but it is not working. I am trying to get it to sort the order of keys based on one of the values (score) inside each key…

  23. Sam Blackmore Avatar

    You mentioned at one point that you were gonna discuss not having your credentials hard coded. Is that in a later video?

  24. Sam Blackmore Avatar

    Oh no I was one of those people that told you to use forEach loops! Now I feel bad

  25. ralph venuto Avatar

    Love the way you're presenting this

  26. João Silva Avatar

    You can use <<for(key in object) {>> instead of getting the keys and looping through them.

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