How to hijack an event handler?
Let’s learn how to hijack an event handler. The most accurate or helpful solution is served by TeX - LaTeX.
There are ten answers to this question.
Best solution
Whenever I invoke \degrees the definition of operator au (angle unit) will be updated. It is easily done by redefining the \degrees with \let and \renewcommand. So far so good. Now I want to create two more operators pt2xu and pt2yu which convert pt (point) to the active unit in both x and y direction. Unfortunately, the active unit \psxunit and \psyunit must be updated via key-value assignment so I cannot apply my method with \let and \renewcommand here. Instead I have to create a new macro called...
Answer:
The argument to the keyword unit is handled by the macro \psset@pstricks@unit. Thus you can hijack the...
I am who I say I am at TeX - LaTeX Mark as irrelevant Undo
Other solutions
How do you create an event handler for events that are not keystroke or mouse click or a scan? Which programming language is better to handle this? If i were to develop in C++/C# , how do I start?
Answer:
An event is a function with a predefined trigger, like a mouse click or text field modification. Without...
clueless at Yahoo! Answers Mark as irrelevant Undo
-- PREFACE -- I am new to programmig :) -- I want to create an event handler based on how long a user presses and holds down a mouse button. When a user holds down a mouse button for 1.5seconds, on any file, the file would open and/or is read using something...
Answer:
In the MouseDown event, record the system time. In the MouseUp event, compare the current time to the...
Luke at Yahoo! Answers Mark as irrelevant Undo
I need a jQuery method to act as an event handler that is triggered when someone selects an option from an HTML select element. It is NOT in a form, and I need to be able to have separate handlers for specific options inside the select menu. Thanks in...
Answer:
Indeed the change event is the one you're looking for, to get the selected option: $('select#mySelect...
Luther at Yahoo! Answers Mark as irrelevant Undo
In this event handler I have to invoke another method which takes up some time to "do its work" and then I want the page to navigate. Any ideas are highly welcomed.
Answer:
beforeunload - though this will fire on page refresh as well, not just url change. unload - -ditto-...
Kunal Golani at Quora Mark as irrelevant Undo
I have some hidden div objects until the user clicks a button to make them visible, is there a way to make them load only when the user clicks that handler so the page will load the div objects only when it's necessary to speed up loading time?
Clever Trevor at Yahoo! Answers Mark as irrelevant Undo
Is there any native method of attaching the handler to the up and down arrows that appear when the 'step' attribute is assigned?
Answer:
with jQuery click and change events work as well ;) But you can also do it natively : function getInputValue...
Kamel Laïmène at Quora Mark as irrelevant Undo
Please suggest a good event-level debugger for VB.NET. I am looking for a debugger which can trap the execution of event handling code , when an event gets triggered from a line of code, by the .NET framework or by some user action. Events can get triggered...
Answer:
I use the built-in debugger, frankly, and some breakpoints. I guess I'm not understanding the question...
inquisitive at Ask.Metafilter.Com Mark as irrelevant Undo
I recently read "The Basic Eight" by San Francisco author Daniel Handler. The book is a journal style story about a sophisticated teenaged clique that commits (and covers up) a murder. I have since read references to the fact that this book...
Answer:
Dear Looking 2 You, There is no evidence that Daniel Handler, aka Lemony Snicket, based his 1999 debut...
lookingin2you-ga at Google Answers Mark as irrelevant Undo
I can conceive of problems with 'an enemy' managing to force control and other possible problems if the override option was ground based (potential for hacking, a rougue operator etc.) but with the increasing advent of fly by wire systems this should...
Answer:
This is technically possible, but the number of cases where it would be useful is so rare it wouldn...
Miguel Valdespino at Quora Mark as irrelevant Undo
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