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• apt-key add adds a key to /etc/apt/trusted.gpg by default.

These keys are from Ubuntu repositories:

Lists all keys installed in the system;

sudo apt-key list 

Remove it by running:

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<?php
$url = API;
$url .= '/resource/refresh/0/format/json';
$login = DIGEST_AUTH_USER . ':' . DIGEST_AUTH_PWD;
$curl = curl_init($url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_USERPWD, $login);
curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
$result = curl_exec($curl);
$json = json_decode($result, true);

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Various sample of methods GET

Sample 5

In Controller:

@GetMapping(produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
public ResponseEntity<MyEntityRS> search(
    @RequestParam(value = "code") String code,
    @RequestParam(value = "name", required = false) String name) {
    return myEntityService.search(code, name);

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@if (auth()->user()->can('show User'))
if(!$user->hasRole('jefe-cuentas-cobrar')){
}

When using a many-to-many relation in Laravel, you should use the attach() function to link models. So in this case, you can do the following: App\user::find(14)->skill()->attach(1);

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IncorrectResultSizeDataAccessException

public class IncorrectResultSizeDataAccessException extends DataRetrievalFailureException

Data access exception thrown when a result was not of the expected size, for example when expecting a single row but getting 0 or more than 1 rows.

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Segregacion de interfaces en java spring

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mongo check verison

db.version()

create database and collection

use salesupdatedb
db.createCollection("myCollection")

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query case insensitive

Criteria regex = Criteria.where("name").regex(".*" + queryCriteria.getName() +".*", "i");
query.addCriteria(regex);

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Generar un war con maven

To run only the unit tests, run:

mvn test

Generar un war con maven

$ mvn clean generate-sources install

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public String sayHello(@RequestParam(value = "name") String name){
        return "Hello " + name + "";
    }


db.billings.insertMany([
  {
    "number" : "405714",
    "serial" : "F001",
    "totalFare" : 2131.3