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

...". Would it work for you to save a copy of the image to your server using PHP and then just load the new image? For example, you could send the URL to the PHP script and save it to your server, then return the new filename to your javascript like this: <?php //The name of this file in this exam...
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In PHP, can you instantiate an object and call a method on the same line?

... The feature you have asked for is available from PHP 5.4. Here is the list of new features in PHP 5.4: http://php.net/manual/en/migration54.new-features.php And the relevant part from the new features list: Class member access on instantiation has been added, e.g. (ne...
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AsyncProcedures异步过程扩展 · App Inventor 2 中文网

...数据处理 示例2:文件操作 常见问题 Q: 异步过程中如何更新UI? Q: 如何处理异步过程的错误? Q: 异步过程会阻塞应用吗? Q: 如何控制异步过程的执行顺序? ...
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Increasing nesting function calls limit

There is one very bad limit in PHP: if you call some function a1() that calls a2(), that calls a3... so when a99() will call a100() you will see ...
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How does Facebook Sharer select Images and other metadata when sharing my URL?

...t of facebookexternalhit/1.1 (+https://www.facebook.com/externalhit_uatext.php), will access your page and cache the meta information. To force Facebook servers to clear the cache, use the Facebook Url Debugger / Linter Tool that they launched in June 2010 to refresh the cache and troubleshoot any ...
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How do I create a copy of an object in PHP?

It appears that in PHP objects are passed by reference. Even assignment operators do not appear to be creating a copy of the Object. ...
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PHP Warning: PHP Startup: Unable to load dynamic library

I run a PHP script and get this error: 19 Answers 19 ...
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How to list the contents of a package using YUM?

... rpm -ql [packageName] Example # rpm -ql php-fpm /etc/php-fpm.conf /etc/php-fpm.d /etc/php-fpm.d/www.conf /etc/sysconfig/php-fpm ... /run/php-fpm /usr/lib/systemd/system/php-fpm.service /usr/sbin/php-fpm /usr/share/doc/php-fpm-5.6.0 /usr/share/man/man8/php-fpm.8.gz...
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PHP equivalent of .NET/Java's toString()

How do I convert the value of a PHP variable to string? 24 Answers 24 ...
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PHP: How to check if image file exists?

...ted. And then, it will only work when allow_url_fopen is activated in your PHP config share | improve this answer | follow | ...