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How to fix getImageData() error The canvas has been tainted by cross-origin data?

...the remote server sets the following header appropriately: Access-Control-Allow-Origin "*" The Dropbox file chooser when using the "direct link" option is a great example of this. I use it on oddprints.com to hoover up images from the remote dropbox image url, into my canvas, and then submit the ...
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check if jquery has been loaded, then load it if false

... I believe appending a script tag to body works in all browsers. – Steven Lu Jan 6 '13 at 21:26 3 ...
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How to prevent a jQuery Ajax request from caching in Internet Explorer?

... You can disable caching globally using $.ajaxSetup(), for example: $.ajaxSetup({ cache: false }); This appends a timestamp to the querystring when making the request. To turn cache off for a particular $.ajax() call, set cache: false on it locally, ...
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How to round up a number to nearest 10?

...$input / 10) * 10; Edit: I've been doing it this way for so long.. but TallGreenTree's answer is cleaner. share | improve this answer | follow | ...
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How to check for null in Twig?

... In addition, unlike the PHP isset() function, is defined will return true if a variable is defined and it's value is null. – Pavel Petrov Sep 19 '17 at 7:59 ...
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Detect encoding and make everything UTF-8

...ng, it will return garbled UTF-8 output. I made a function that addresses all this issues. It´s called Encoding::toUTF8(). You don't need to know what the encoding of your strings is. It can be Latin1 (ISO 8859-1), Windows-1252 or UTF-8, or the string can have a mix of them. Encoding::toUTF8() wi...
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Can PHP cURL retrieve response headers AND body in a single request?

...R, 1); // ... $response = curl_exec($ch); // Then, after your curl_exec call: $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE); $header = substr($response, 0, $header_size); $body = substr($response, $header_size); Warning: As noted in the comments below, this may not be reliable when used ...
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How to apply bindValue method in LIMIT clause?

... @Ross I cannot specifically answer this- but I can point out that LIMIT and OFFSET are features that were glued on AFTER all this PHP/MYSQL/PDO madness hit the dev circuit... In fact, I believe it was Lerdorf himself who oversaw LIMIT implementatio...
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Is it valid to have a html form inside another html form?

...ible practice. You can do the exact same thing with less hassle submitting all the data to a PHP script and dividing and sending to their own destinations from there. Although, you did answer the question which is great, it's just a bad and pointless practice because you could do it the right way in...
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Str_replace for multiple items

...aracter like this: str_replace(':', ' ', $string); but I want to replace all the following characters \/:*?"<>| , without doing a str_replace for each. ...