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Undefined reference to static class member
...me figuring out that if the class definition is in a header file, then the allocation of the static variable should be in the implementation file, not the header.
– shanet
Jul 14 '12 at 3:06
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Generating a drop down list of timezones with PHP
...low are two lists that I found and then one method using the built in PHP DateTime class in PHP 5.
25 Answers
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Unmangling the result of std::type_info::name
...o abi::__cxa_demangle() is successful, returns a pointer to a local, stack allocated array... ouch!
Also note that if you provide a buffer, abi::__cxa_demangle() assumes it to be allocated on the heap. Allocating the buffer on the stack is a bug (from the gnu doc): "If output_buffer is not long enou...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...ray access. There's no control to prove that the browsers are actually pre-allocating the memory (which the specification does not say they must do). If we can assume that array access is constant and the majority of the time will be spent allocating memory in both examples then [] could be prefera...
Is it wrong to place the tag after the tag?
...ee the snippet from WebKit for example:
void HTMLParser::processCloseTag(Token* t)
{
// Support for really broken html.
// we never close the body tag, since some stupid web pages close it before
// the actual end of the doc.
// let's rely on the end() call to close things.
if...
instantiate a class from a variable in PHP?
...r as I can tell) must declare the full namespace path of a class.
MyClass.php
namespace com\company\lib;
class MyClass {
}
index.php
namespace com\company\lib;
//Works fine
$i = new MyClass();
$cname = 'MyClass';
//Errors
//$i = new $cname;
//Works fine
$cname = "com\\company\\lib\\".$cname...
How to loop through an associative array and get the key? [duplicate]
...do:
foreach ($arr as $key => $value) {
echo $key;
}
As described in PHP docs.
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PHP calculate age
...
This works fine.
<?php
//date in mm/dd/yyyy format; or it can be in other formats as well
$birthDate = "12/17/1983";
//explode the date to get month, day and year
$birthDate = explode("/", $birthDate);
//get age from date or birthdate...
How to getText on an input in protractor
...
You can try something like this
var access_token = driver.findElement(webdriver.By.name("AccToken"))
var access_token_getTextFunction = function() {
access_token.getText().then(function(value) {
console.log(value);
...
Passing base64 encoded strings in URL
...ommend just writing your own helpers. Like these from the comments on the php manual page for base64_encode:
function base64_url_encode($input) {
return strtr(base64_encode($input), '+/=', '._-');
}
function base64_url_decode($input) {
return base64_decode(strtr($input, '._-', '+/='));
}
...