Twista

public function processEditForm(\Nette\Application\UI\Form $form) {
        $mealcat = new \MealCategory($form->getValues());
        try {
            $this->facade->saveCategory($mealcat);
        } catch (\Exception $e) {
            $this->flashMessage($e->getMessage(), 'alert-error');
            $this->flashMessage('Bohužel, kategorii se nepodařilo uložit', 'alert-error');
            $this->redirect('Mealcategory:overview');
        }
        $this->flashMessage('Kategorie uložena', 'alert-success');

Twista

// fce kterou volam
function doSomething(callback) {
    // ...

    // volani callbacku
    callback('stuff', 'goes', 'here');
}

// pripraveny callback
function foo(a, b, c) {

Twista

// nejjednodusi zpusob


function Thing(name) {
    this.name = name;
}

Thing.prototype.doSomething = function(callback) {
    // zavolani callbacku, this kuli kontextu
    callback.call(this);

Twista

chrome.manifest = function() {

    var manifestObject = false;
    var request = new XMLHttpRequest();

    request.onreadystatechange = function() {
        if (request.readyState == 4) {
            manifestObject = JSON.parse(request.responseText);
        }
    };

Twista

# Netrivialni dotazy
###########################x
# 1) vypiste jmena odberatelu a pocet objednanych polozek (nerozlisujte zda jsou zaplaceny ci nikoliv)

SELECT odberatel.jmeno, odberatel.prijmeni, COUNT( fakturapolozka.polozka_id ) AS pocet_polozek
FROM odberatel
LEFT JOIN faktura ON ( odberatel.odberatel_id = faktura.odberatel_id ) 
LEFT JOIN fakturapolozka ON ( faktura.cislo_faktury = fakturapolozka.cislo_faktury ) 
GROUP BY odberatel.odberatel_id

Twista

function makeLink($text){
      $reg_exUrl = "/(http|https|ftp|ftps)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/";
      preg_match_all($reg_exUrl, $text, $url);
      foreach ($url[0] as $key => $value) {
          $text = strtr($text, array($value => '<a href="'.$value.'" target="_blank">'.$value.'</a>'));
      }
      return $text;
}

Twista

<?php
function trojuhelnik($a, $b, $c){
  $arr = func_get_args(); // array($a, $b, $c);
	sort($arr);
	if(($arr[0] <= 0) || ($arr[0] + $arr[1] <= $arr[2]))
		throw new Exception("Trojuhelnik neni mozne sestrojit");

	$arr = array_unique($arr);
	$result = array("rovnostranny","rovnoramenny","obecny");
	return $result[count($arr)-1];

Twista

# MySQL Server Instance Configuration File
# ----------------------------------------------------------------------
# Generated by the MySQL Server Instance Configuration Wizard
#
#
# Installation Instructions
# ----------------------------------------------------------------------
#
# On Linux you can copy this file to /etc/my.cnf to set global options,
# mysql-data-dir/my.cnf to set server-specific options

Twista

<?php

function __autoload($class_name) {
    $filename = __DIR__.DIRECTORY_SEPARATOR.strtolower($class_name).'.php';
    if(is_readable($filename))
        require ($filename);

}

Twista

<?php

$file1 = 'soubor1.txt';
$file2 = 'soubor2.txt';

// porovnani veliksoti souboru
if(filesize($file1) == filesize($file2)){
    echo 'jsou stejne';
} else {
    echo 'nejsou stejne';