Rails flashes (FlashHash) track a list of used keys, which is not respected when comparing flash hashes.

This does not concern you under most circumstances.

Basics

When ActionController picks up a flash object, it will call the #sweep m...

Fixes all Flash elements on a page so that they heed DOM stacking order

Flash movies (.swf files) can talk with Javascript code embedded in the same HTML page. There are two ways to do this:

• The preferred way is to use the [ExternalInterface](http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/flash/external/...

We used zeroclipboard.js in some of our projects but now we switched to clipboard.js because it does not rely on flash. Flash support of the major browsers has ended.

Some more advantages of clipboard.js:

...

Applications must be originally written in Objective-C, C, C++, or JavaScript as executed by the iPhone OS WebKit engine, and only code written in C, C++, and Objective-C may compile and directly link against the Documented APIs (e.g., Application...

A flaky test is a test that is often green, but sometimes red. It may only fail on some PCs, or only when the entire test suite is run.

There are many causes for flaky...

SWFRIP is a Macromedia Flash resource extractor and editor. It can save resources in various formats, including SVG conversion from the flash vector format, decompile ActionScript, and remove the protect tag from SWF files.

With Flash Player 10, the FileReference.browse and FileReference.download operations may be initiated only through ActionScript that originates from user interaction. This includes actions such as clicking the mouse or pressing the keyboard.

An end-to-end test (E2E test) is a script that remote-controls a web browser with tools like Selenium WebDriver. This card shows basic techniques for fixing a flaky E2E test suite that sometimes passes and sometimes fails.

Although many examples ...

JavaScript structures that include circular references can't be serialized with a"plain" JSON.stringify. Example:

a = { name: 'Groucho' };
b = { name: 'Harpo', sibling: a };
a.sibling = b;

Doing a JSON.stringify(a) will thr...