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What are the differences between virtual memory and physical memory?
...d on demand, which may remove the need for linked structures, as well as reallocation.
– awdz9nld
Jan 19 '15 at 21:40
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Checking for empty arrays: count vs empty
This question on ' How to tell if a PHP array is empty ' had me thinking of this question
12 Answers
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iOS: how to perform a HTTP POST request?
...ction *)connection didFailWithError:(NSError *)error {
[[[[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error", @"")
message:[error localizedDescription]
delegate:nil
cancelButtonTitle:NSLocalizedStri...
What is The Rule of Three?
... executing the body of the destructor and destroying any automatic objects allocated within the body,
a destructor for class X calls the destructors for X's direct [...] members
[n3126.pdf 12.4 §6]
Managing resources
So when should we declare those special member functions explicitly?
When our cla...
Binary Data in MySQL [closed]
...
The answer by phpguy is correct but I think there is a lot of confusion in the additional details there.
The basic answer is in a BLOB data type / attribute domain. BLOB is short for Binary Large Object and that column data type is speci...
How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...;
Proof of concept here: https://dtbaker.net/files/prevent-post-resubmit.php
I would still recommend a Post/Redirect/Get approach, but this is a novel JS solution.
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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
I just had some very strange behavior with a simple php script I was writing. I reduced it to the minimum necessary to recreate the bug:
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How to trim white spaces of array values in php
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array_walk() can be used with trim() to trim array
<?php
function trim_value(&$value)
{
$value = trim($value);
}
$fruit = array('apple','banana ', ' cranberry ');
var_dump($fruit);
array_walk($fruit, 'trim_value');
var_dump($fruit);
?>
See 2nd example at http...
PHP Remove elements from associative array
I have an PHP array that looks something like this:
9 Answers
9
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How do I create a basic UIButton programmatically?
... = ({
//initialize button with frame
UIButton* button = [[UIButton alloc] initWithFrame:({
CGRect frame = CGRectMake(10.0, 10.0, 200.0, 75.0);
frame;
})];
//set button background color
[button setBackgroundColor:({
UIColor* color = [UIColor colorWithRed:1....