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How to call a PHP function on the click of a button
I have created a page called functioncalling.php that contains two buttons, Submit and Insert .
12 Answers
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How to count the number of set bits in a 32-bit integer?
...d of >>
// C or C++: use uint32_t
i = i - ((i >> 1) & 0x55555555);
i = (i & 0x33333333) + ((i >> 2) & 0x33333333);
return (((i + (i >> 4)) & 0x0F0F0F0F) * 0x01010101) >> 24;
}
For JavaScript: coerce to integer with |0 for performance...
PHP Session Fixation / Hijacking
I'm trying to understand more about PHP Session Fixation and hijacking and how to prevent these problems. I've been reading the following two articles on Chris Shiflett's website:
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How to check that a string is an int, but not a double, etc.?
PHP has an intval() function that will convert a string to an integer. However I want to check that the string is an integer beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
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Php multiple delimiters in explode
... working. I had to remove the spaces and then it worked as expected (using PHP 7)
– Boardy
Mar 11 '18 at 0:31
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show 3 more comments
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jQuery AJAX file upload PHP
...r, then a script on the server handles the upload. Here's an example using PHP.
Your HTML is fine, but update your JS jQuery script to look like this:
$('#upload').on('click', function() {
var file_data = $('#sortpicture').prop('files')[0];
var form_data = new FormData(); ...
std::function and std::bind: what are they, and when should they be used?
...ncise than actually writing a functor class to do it.
There are further examples in the article you link to. You generally use it when you need to pass a functor to some algorithm. You have a function or functor that almost does the job you want, but is more configurable (i.e. has more parameters) ...
What is the Java equivalent of PHP var_dump?
PHP has a var_dump() function which outputs the internal contents of an object, showing an object's type and content.
11 An...
Facebook Architecture [closed]
...g/post/358
You can use HipHop yourself:
https://github.com/facebook/hiphop-php/wiki
But if you ask me it's a very ambitious and probably time wasting task. Hiphop only supports so much, it can't simply convert everything to C++. So what does this tell us? Well, it tells us that Facebook is NOT full...
Assign same value to multiple variables at once?
How can I assign the same value for multiple variables in PHP at once ?
2 Answers
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