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Get users by name property using Firebase
.... At a high level, Firebase is a tree-structured NoSQL data store, and provides a few simple primitives for managing lists of data:
Write to Firebase with a unique, known key:
ref.child('users').child('123').set({ "first_name": "rob", "age": 28 })
Append to lists with an auto-generated key that ...
How to search by key=>value in a multidimensional array in PHP
...ny fast way to get all subarrays where a key value pair was found in a multidimensional array? I can't say how deep the array will be.
...
Another Repeated column in mapping for entity error
...twice. And indeed, you have:
@Column(nullable=false)
private Long customerId;
and also:
@ManyToOne(optional=false)
@JoinColumn(name="customerId",referencedColumnName="id_customer")
private Customer customer;
(and the same goes for productId/product).
You shouldn't reference other entities by ...
How to set selected value of jquery select2?
...
To dynamically set the "selected" value of a Select2 component:
$('#inputID').select2('data', {id: 100, a_key: 'Lorem Ipsum'});
Where the second parameter is an object with expected values.
UPDATE:
This does work, just wanted to note that in the new select2, "a_key" is "text" in a standard sel...
How do you return the column names of a table?
...mes of a table using SQL Server 2008? i.e. a table contains these columns- id, name, address, country and I want to return these as data.
...
Is it possible to display inline images from html in an Android TextView?
...mageGetter {
public Drawable getDrawable(String source) {
int id;
if (source.equals("stack.jpg")) {
id = R.drawable.stack;
}
else if (source.equals("overflow.jpg")) {
id = R.drawable.overflow;
}
else {
return n...
EntityType has no key defined error
...ifferent things can cause this error. In my case, I mistakenly marked my "Id" field "private" instead of "public" (a habit from Java/JPA). Larry Raymond's response below is arguably the "best" reply to this question. It lists most of the common scenarios behind "EntityType has no key defined erro...
How does this CSS produce a circle?
...
How does a border of 180 pixels with height/width-> 0px become a circle with a radius of 180 pixels?
Let's reformulate that into two questions:
Where do width and height actually apply?
Let's have a look at the areas of a typical box (source):
The height and w...
Converting JSONarray to ArrayList
...tring = "[\n" +
" {\n" +
" \"id\": \"c200\",\n" +
" \"name\": \"Ravi Tamada\",\n" +
" \"email\": \"ravi@gmail.com\",\n" +
" \"address\": \"xx-xx-xxxx,x - street, x - country...
How to alias a table in Laravel Eloquent queries (or using Query Builder)?
...users = DB::table('really_long_table_name AS t')
->select('t.id AS uid')
->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] > Schema::create('really_long_table_name', function($table) {$table->increments('id');});
// NULL
[2] &g...