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public JOptionPane validarLetra(java.awt.event.KeyEvent evt) {
        char c = evt.getKeyChar();
        if (Character.isDigit(c)) {
            getToolkit().beep();
            evt.consume();
            JOptionPane.showMessageDialog(rootPane, "Digite sólo letras.");
        }
        return null;
    }

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<?php

define('LARAVEL_START', microtime(true));

/*
|--------------------------------------------------------------------------
| Register The Composer Auto Loader
|--------------------------------------------------------------------------
|
| Composer provides a convenient, automatically generated class loader

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<?php

Route::group(['prefix' => 'configuracion'], function(){
  Route::controller('/perfil', [
    'uses'  => 'ConfigController@perfil',
    'as'    => 'config.perfil'
  ]);
  Route::controller('/password', [
    'uses'  => 'ConfigController@password',
    'as'    => 'config.perfil'

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[
{
"name": "Afghanistan",
"dial_code": "+93",
"code": "AF"
},
{
"name": "Aland Islands",
"dial_code": "+358",
"code": "AX"

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{
  "install_link": "https://syslint.com/blog/tutorial/how-to-install-laravel-php-framework-on-a-centos-7-or-rhel-7/",
  "requiriements": {
    "php": ">=5.6.4",
    "mysql": ">=5.5.42",
    "composer": ">=1.3.1"
  }
}

nosdoska

$ code --list-extensions

Angular.ng-template
Tyriar.sort-lines
CoenraadS.bracket-pair-colorizer
cssho.vscode-svgviewer
dbaeumer.vscode-eslint
dracula-theme.theme-dracula
eamodio.gitlens
eg2.tslint