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Convert JS Object to form data
...(key, item[key]);
}
$.ajax({
url : 'http://example.com/upload.php',
data : form_data,
processData : false,
contentType : false,
type: 'POST'
}).done(function(data){
// do stuff
});
There are more examples in the documentation on MDN
...
startsWith() and endsWith() functions in PHP
...rlen($needle)) === 0;
}
This should be one of the fastest solutions on PHP 7 (benchmark script). Tested against 8KB haystacks, various length needles and full, partial and no match cases. strncmp is a touch faster for starts-with but it cannot check ends-with.
...
How to return a value from __init__ in Python?
I have a class with an __init__ function.
10 Answers
10
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How to check whether a string is Base64 encoded or not
...
Try like this for PHP5
//where $json is some data that can be base64 encoded
$json=some_data;
//this will check whether data is base64 encoded or not
if (base64_decode($json, true) == true)
{
echo "base64 encoded";
}
e...
How to check if mysql database exists
...
* OK, apparently PHPMyAdmin just displays all database names in lower case, and your query works using both anyway
– Hubro
Jun 15 '12 at 13:21
...
Mail multipart/alternative vs multipart/mixed
...
Could someone comment on how to do this in PHP?
– RightHandedMonkey
Feb 27 '15 at 20:11
1
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What's the difference between HEAD^ and HEAD~ in Git?
...f thumb
Use ~ most of the time — to go back a number of generations, usually what you want
Use ^ on merge commits — because they have two or more (immediate) parents
Mnemonics:
Tilde ~ is almost linear in appearance and wants to go backward in a straight line
Caret ^ suggests an interesting s...
Getting HTTP code in PHP using curl
...lso helps with following redirects):
How can I check if a URL exists via PHP?
As a whole:
$url = 'http://www.example.com';
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, true); // we want headers
curl_setopt($ch, CURLOPT_NOBODY, true); // we don't need body
curl_setopt($ch, CUR...
Have a reloadData for a UITableView animate when changing
....reloadData()
},
completion: nil);
Swift 3, 4 & 5
UIView.transition(with: tableView,
duration: 0.35,
options: .transitionCrossDissolve,
animations: { self.tableView.reloadData() }) // left out the unnecessary synt...
How are virtual functions and vtable implemented?
...eturn 1; } };
struct Bar: public Foo { int a() { return 2; } };
void f(Foo& arg) {
Foo x; x.a(); // non-virtual: always calls Foo::a()
Bar y; y.a(); // non-virtual: always calls Bar::a()
arg.a(); // virtual: must dispatch via vtable
Foo z = arg; // copy constructor Foo::Foo(const F...