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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
...ou to understand things better. So, consider the following class:
package test;
public class Demo {
public Demo() {
System.out.println("Hi!");
}
public static void main(String[] args) throws Exception {
Class clazz = Class.forName("test.Demo");
Demo demo = (De...
Null vs. False vs. 0 in PHP
...f them have a value in a boolean context, which (in PHP) is False.
If you test it with ==, it's testing the boolean value, so you will get equality. If you test it with ===, it will test the type, and you will get inequality.
So why are they useful ?
Well, look at the strrpos() function. It retur...
phpunit mock method multiple calls with different arguments
... {
public function Query($sSql) {
return "";
}
}
class fooTest extends PHPUnit_Framework_TestCase {
public function testMock() {
$mock = $this->getMock('DB', array('Query'));
$mock
->expects($this->exactly(2))
->method('Que...
How to upper case every first letter of word in a string? [duplicate]
...
String wordStr = WordUtils.capitalize("this is first WORD capital test.");
//Capitalize method capitalizes only first character of a String
System.out.println("wordStr= " + wordStr);
wordStr = WordUtils.capitalizeFully("this is first WORD capital test.");
//...
Automatic exit from bash shell script on error [duplicate]
...command list immediately following a while or until keyword,
part of the test following the if or elif reserved words, part
of any command executed in a && or || list except the command
following the final && or ||, any command in a pipeline but
the last, or if the command's ...
How can I determine the direction of a jQuery scroll event?
...upporting it developer.mozilla.org/en-US/docs/DOM/DOM_event_reference/… (tested in FF v15). :C
– nuala
Sep 17 '12 at 14:07
8
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how to get GET and POST variables with JQuery?
...T[decode(arguments[1])] = decode(arguments[2]);
});
document.write($_GET["test"]);
For POST parameters, you can serialize the $_POST object in JSON format into a <script> tag:
<script type="text/javascript">
var $_POST = <?php echo json_encode($_POST); ?>;
document.write($_POS...
What is the difference between call and apply?
...
So:
// assuming you have f
function f(message) { ... }
f.call(receiver, "test");
f.apply(receiver, ["test"]);
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Safe integer parsing in Ruby
...
test in Ruby 1.9. Integer(:foobar) => can't convert Symbol into Integer (TypeError)
– GutenYe
Dec 25 '11 at 9:10
...
How do I get ruby to print a full backtrace instead of a truncated one?
...
caller(0,2) would return the two latest entries in the stacktrace. Nice for outputting abbreviated stacktraces.
– Magne
Jul 12 '17 at 9:14
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