laravel crud opeartions

initilization and tempalte integration

 

div class container

@yield('conent or blade name')

@extends('layouts.user_layout')

@section9'content')

@endsection

$request->except(['_token','regist']);

flash data


writing in routeserviceprovider






pagination

app service provider php

boot

paginatore::userbootstrap();


controller -> paginate('10');


blade

{!! $user -> links !!}




laravel localisations

 localisation

resoureces-> lang->en-> json file,create php file i n seperate language sub directories

define lanugage using set locale method of app faceade

islocale and currentlocale

config -> app.php-> locale en

fallbacklocale -> if current one is not availabe so the will use this


laravel route model binding

 route model binding

implicit and explicit binding


implicit binding

mutatos/1

get('mutators/{id}',
public function (request $requst, $id)

{


}

web.php

users/1

route::get('users/{users}' function (\app\models\user $users)

{

echo "<pre>";

print_r($users);

exit:

})

users/trev

'users/{users:first_name}'

or controler

getUsers(request $request, user $users)

{

}


develop image for your blog post automatically

 If you need an image based on the content of your blog post, you can use an AI-powered tool called WordsEye. WordsEye allows you to input a description of a scene, and then generates a 3D image based on that description.

Here's how it works:

  1. Go to the WordsEye website.
  2. Click on the "Create" button.
  3. Input your blog post content into the text box. Be as descriptive as possible.
  4. Use the drop-down menus and other options to customize the scene. For example, you can change the colors, textures, and lighting of the scene.
  5. Once you're happy with the scene, click on the "Render" button to generate the image.

WordsEye uses natural language processing (NLP) and computer vision algorithms to create images based on textual descriptions. It can be a great tool for generating unique images for your blog posts that are based on the content of your writing. However, keep in mind that the quality of the images generated by WordsEye may vary depending on the complexity of the scene description and the available image assets.

develpop html templates using ai

 i can develop backend, i can integrate backend to html developed template using laravel blade, i need a AI or any software to develop html template, can you list out the any AI

\

As an AI language model, I can suggest a few tools that may help you generate HTML templates:

  1. Sketch2Code: This is a Microsoft Azure service that can turn hand-drawn sketches into HTML code. You draw a sketch of the UI design and upload it to the Sketch2Code service. The tool then generates HTML, CSS, and JavaScript code for the design.

  2. The Grid: This is a web-based tool that generates responsive HTML and CSS code. You input the design parameters, and the tool generates a grid-based layout for your website.

  3. Firedrop: This is an AI-powered website builder that creates custom websites based on user input. It uses natural language processing (NLP) to understand user requirements and generate a unique website design.

  4. Wix ADI: Wix ADI is an AI-powered tool that creates custom websites based on user input. It uses machine learning to understand user preferences and generate a unique website design.

  5. The Grid.io: The Grid.io is another AI-powered website builder that creates custom websites based on user input. It uses machine learning algorithms to generate a unique website design for each user.






Some of the tools listed above are free, while others may require payment or offer both free and paid plans. Here's a breakdown of the cost for each of the tools I mentioned:

  1. Sketch2Code: This tool is free to use.

  2. The Grid: The Grid offers a 14-day free trial, after which you will need to pay a monthly fee to continue using the service.

  3. Firedrop: This tool offers both free and paid plans. The free plan includes basic features, while the paid plans offer more advanced features and functionality.

  4. Wix ADI: Wix ADI is free to use, but if you want to use additional features or remove ads, you will need to upgrade to a premium plan.

  5. The Grid.io: This tool offers a 7-day free trial, after which you will need to pay a monthly fee to continue using the service.

It's important to note that while AI-powered tools can be helpful for generating HTML templates, they may not always produce perfect results, and manual tweaking may still be necessary.

laravel eloquent orm ->

eloquent

laravel makes interacting with databses extremely simple across a variety of supported databases using 

raw sql, a fluent query builder adn eloquent orm

laravel database

 can werite in raw sql, fluent query builder, eloquent orm


laravel suports 

mysql 5.7+

postgresql 9.6+

sqlite 3.8.8+

sql server 2017+


db::connection()->getPDO;

DB FACADE PROVIDES METHODS FOR EACH TYPE OF QUERY

select,update,insert and delete statements

db:sselect

DB::insert('INSERT INTO customers (name,email) values(?,?)",{'vicky','vickya@gmail.com']);


find,get,first,pluck,select,

aggregate statements

count,max(),sum(),exists(),min(),avg(),doesnExist(),

select,distinct()

addselect();


joins()

join(),leftjoin,rightjoin,crossjoin,union,unionall(),



crossjoin





methods

where/orWhere

wherebetween /orwherebetween, wherenotbetween,orwherernotbetween,wherein,wherenotin,

wherenull,wherenotnull,orwherenull,orwherenotnull,whreredate,

wherermonth,whereday,whereyear,wheretime

wherecolumn

wherein


laravel query builder ordering

orderby

latest

oldest

inrandomorder

reorder


groupby

having

havingbetween

limit and offset

limit('5')


insert,update,delete,create

insertorignore->if there it wil ignored

insertgetid

where,count();

truncate

delete

migrations

php artisan migrate:rollback --step=2 upto some migratiosn only

php aritsan migrate:reset-> rollback all migrations

php artisan migrate:refresh

php artisan migrate:fresh


database seeding

for create fake databse, to test our application

php artisan make:seeder testseeder

db:table('cars')->insert($data):

php artisan db:seed -class=testseeder

which seeder u writerm that will register in databseseeder


if u wanna see logs

storage->logs->laravel.log


php artisan migrate:fresh --seed-> runn all seeders again


run the seeder along with migration

\illuminate\support\facades\artisan::call('db:seed',['--class'=>'casrsseedr']);



DB::statement() is a method provided by Laravel's Database Query Builder that allows you to execute a raw SQL query directly against the database.

The syntax for DB::statement() is:

css
DB::statement('YOUR_SQL_QUERY');

Here, YOUR_SQL_QUERY should be replaced with the actual SQL query you want to execute. This method does not return any data, it just executes the SQL query and returns void.

For example, if you want to create a new table using DB::statement(), you can do it like this:

css
DB::statement('CREATE TABLE users (id INT, name VARCHAR(255), email VARCHAR(255))');

This will create a new table called users with three columns: id, name, and email. Note that you should only use DB::statement() when you need to execute a raw SQL query, and you should always sanitize any user input to prevent SQL injection attacks.


  • Laravel does not provide first-party support for _______.

    Marked Answer : MongoDB

    Correct Answer : MongoDB

  • The ____ facade provides methods for each type of query.

    Marked Answer : DB

    Correct Answer : DB

  • Which DB façade method is used to execute a general statement?

    Marked Answer : select()

    Correct Answer : statement()

  • The _____ method returns a fluent query builder instance for the given table.

    Marked Answer : get()

    Correct Answer : table()

  • DB::table('table_name');
  • Which method is used to retrieve a single row?

    Marked Answer : first()

    Correct Answer : first()

  • Which method will return the value of the column directly?

    Marked Answer : value()

    Correct Answer : value()

  • Which of the given is not a aggregate function?

    Marked Answer : value()

    Correct Answer : value()

  • Which raw method is not provided by DB façade?

    Marked Answer : selectRaw()

    Correct Answer : distinctRaw()

  • Which where method is not supported?

    Marked Answer : whereDate()

    Correct Answer : None of the above

  • Which method is used to paginating query builder results?

    Marked Answer : paginate()

    Correct Answer : paginate()






  • laravel sessions

     session used to store and pass informatoon from one page to another temporarily until user close the website

    https://laravel.com/docs/8.x/session#main-content

    its temporarily

    laravel seesion can be saved in datrabase, file, encrypted cookies


    config/session.php

    'lifetime' => env('SESSION_LIFETIME', 120),

    'expire_on_close' => false,


    we can connect to requred database using database.php

    mongodb

    we can store into database instaed of files and changing some drivers

    php artisan session:table


    interacting with session

    first by request instance and 

    second method

    using global helper method session


    session actions



    $request->session()->put('course','laravel');
    session([;course'=>'advanced php']);
    $request->session()->get('course');

    session()->all();

    has  -> if($request-> session()-> has('learnvern'))

    {

    echo 'exists';}

    learnver key exists and not null above works

    if key exists and null or not null below works


     if($request-> session()-> exists('learnvern'))

    {

    echo 'exists';}

    missing



    exist

    missing -> if key is not present - to deternmine it is used



    push to arra sesion value

    $request->session()->push('user.teams', 'developers');


    retrieve and delete

    $value = $request->session()->pull('key', 'default');

    $value = $request->session()->forget('key');


    incrimenting and decriment


    may use the increment and decrement methods:

    how many tomes refresh 


    $request->session()->increment('count');
     
    $request->session()->increment('count', $incrementBy = 2);
     
    $request->session()->decrement('count');
     
    $request->session()->decrement('count', $decrementBy = 2);

    flash data

    it wil store upto next request , after that it will delete

    $request->session()->flash('status', 'Task was successful!');



    regenreate the session

    for every time authetnication regenearte the session


    $request->session()->regenerate();

    before regenerate delete the data iusing ivalidate

    $request->session()->invalidate();



    session flaseh

    for example payment over, sucesfule message wil show upto next request

    $request->session()->flash('msg','welcome to learn vern');


    if (session()->has('sucess')

    {{ sesion('success') }}


    reflash method

    $request->session()->reflash();

    till close window


    $request->session()->keepp('msg','siccess');

    @if ($message = Session::get('success'))
    @endif



    1. _____ provide a way to store information about the user across multiple requests.

      Marked Answer : session

      Correct Answer : session

    2. Which session driver is not supported in Laravel?

      Marked Answer : dynamodb

      Correct Answer : None of the above

    3. file,redis,dynamodb

    4. Which helper is used to work with session data?

      Marked Answer : session()

      Correct Answer : session()

    5. How to retrieve all the data in the session?

      Marked Answer : $request->session()->all();

      Correct Answer : $request->session()->all();

    6. Which is the correct way to store data in the session?

      Marked Answer : session(['key' => 'value']);

      Correct Answer : A and B both

    7. Data stored in the session using ______ method will be available immediately and during the subsequent HTTP request.

      Marked Answer : flash()

      Correct Answer : flash()























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